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/*
* Copyright 2010 Jacek Caban for CodeWeavers
* Copyright 2010 Thomas Mullaly
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "urlmon_main.h"
#include "wine/debug.h"
#define NO_SHLWAPI_REG
#include "shlwapi.h"
#define UINT_MAX 0xffffffff
#define USHORT_MAX 0xffff
WINE_DEFAULT_DEBUG_CHANNEL(urlmon);
static const IID IID_IUriObj = {0x4b364760,0x9f51,0x11df,{0x98,0x1c,0x08,0x00,0x20,0x0c,0x9a,0x66}};
typedef struct {
const IUriVtbl *lpIUriVtbl;
LONG ref;
BSTR raw_uri;
/* Information about the canonicalized URI's buffer. */
WCHAR *canon_uri;
DWORD canon_size;
DWORD canon_len;
INT scheme_start;
DWORD scheme_len;
URL_SCHEME scheme_type;
INT userinfo_start;
DWORD userinfo_len;
INT userinfo_split;
INT host_start;
DWORD host_len;
Uri_HOST_TYPE host_type;
USHORT port;
BOOL has_port;
INT authority_start;
DWORD authority_len;
INT domain_offset;
INT path_start;
DWORD path_len;
INT extension_offset;
INT query_start;
DWORD query_len;
INT fragment_start;
DWORD fragment_len;
} Uri;
typedef struct {
const IUriBuilderVtbl *lpIUriBuilderVtbl;
LONG ref;
IUri *uri;
} UriBuilder;
typedef struct {
const WCHAR *str;
DWORD len;
} h16;
typedef struct {
/* IPv6 addresses can hold up to 8 h16 components. */
h16 components[8];
DWORD h16_count;
/* An IPv6 can have 1 elision ("::"). */
const WCHAR *elision;
/* An IPv6 can contain 1 IPv4 address as the last 32bits of the address. */
const WCHAR *ipv4;
DWORD ipv4_len;
INT components_size;
INT elision_size;
} ipv6_address;
typedef struct {
BSTR uri;
BOOL is_relative;
BOOL is_opaque;
BOOL has_implicit_scheme;
BOOL has_implicit_ip;
UINT implicit_ipv4;
const WCHAR *scheme;
DWORD scheme_len;
URL_SCHEME scheme_type;
const WCHAR *userinfo;
DWORD userinfo_len;
INT userinfo_split;
const WCHAR *host;
DWORD host_len;
Uri_HOST_TYPE host_type;
BOOL has_ipv6;
ipv6_address ipv6_address;
const WCHAR *port;
DWORD port_len;
USHORT port_value;
const WCHAR *path;
DWORD path_len;
const WCHAR *query;
DWORD query_len;
const WCHAR *fragment;
DWORD fragment_len;
} parse_data;
static const CHAR hexDigits[] = "0123456789ABCDEF";
/* List of scheme types/scheme names that are recognized by the IUri interface as of IE 7. */
static const struct {
URL_SCHEME scheme;
WCHAR scheme_name[16];
} recognized_schemes[] = {
{URL_SCHEME_FTP, {'f','t','p',0}},
{URL_SCHEME_HTTP, {'h','t','t','p',0}},
{URL_SCHEME_GOPHER, {'g','o','p','h','e','r',0}},
{URL_SCHEME_MAILTO, {'m','a','i','l','t','o',0}},
{URL_SCHEME_NEWS, {'n','e','w','s',0}},
{URL_SCHEME_NNTP, {'n','n','t','p',0}},
{URL_SCHEME_TELNET, {'t','e','l','n','e','t',0}},
{URL_SCHEME_WAIS, {'w','a','i','s',0}},
{URL_SCHEME_FILE, {'f','i','l','e',0}},
{URL_SCHEME_MK, {'m','k',0}},
{URL_SCHEME_HTTPS, {'h','t','t','p','s',0}},
{URL_SCHEME_SHELL, {'s','h','e','l','l',0}},
{URL_SCHEME_SNEWS, {'s','n','e','w','s',0}},
{URL_SCHEME_LOCAL, {'l','o','c','a','l',0}},
{URL_SCHEME_JAVASCRIPT, {'j','a','v','a','s','c','r','i','p','t',0}},
{URL_SCHEME_VBSCRIPT, {'v','b','s','c','r','i','p','t',0}},
{URL_SCHEME_ABOUT, {'a','b','o','u','t',0}},
{URL_SCHEME_RES, {'r','e','s',0}},
{URL_SCHEME_MSSHELLROOTED, {'m','s','-','s','h','e','l','l','-','r','o','o','t','e','d',0}},
{URL_SCHEME_MSSHELLIDLIST, {'m','s','-','s','h','e','l','l','-','i','d','l','i','s','t',0}},
{URL_SCHEME_MSHELP, {'h','c','p',0}},
{URL_SCHEME_WILDCARD, {'*',0}}
};
/* List of default ports Windows recognizes. */
static const struct {
URL_SCHEME scheme;
USHORT port;
} default_ports[] = {
{URL_SCHEME_FTP, 21},
{URL_SCHEME_HTTP, 80},
{URL_SCHEME_GOPHER, 70},
{URL_SCHEME_NNTP, 119},
{URL_SCHEME_TELNET, 23},
{URL_SCHEME_WAIS, 210},
{URL_SCHEME_HTTPS, 443},
};
/* List of 3 character top level domain names Windows seems to recognize.
* There might be more, but, these are the only ones I've found so far.
*/
static const struct {
WCHAR tld_name[4];
} recognized_tlds[] = {
{{'c','o','m',0}},
{{'e','d','u',0}},
{{'g','o','v',0}},
{{'i','n','t',0}},
{{'m','i','l',0}},
{{'n','e','t',0}},
{{'o','r','g',0}}
};
static Uri *get_uri_obj(IUri *uri)
{
Uri *ret;
HRESULT hres;
hres = IUri_QueryInterface(uri, &IID_IUriObj, (void**)&ret);
return SUCCEEDED(hres) ? ret : NULL;
}
static inline BOOL is_alpha(WCHAR val) {
return ((val >= 'a' && val <= 'z') || (val >= 'A' && val <= 'Z'));
}
static inline BOOL is_num(WCHAR val) {
return (val >= '0' && val <= '9');
}
/* A URI is implicitly a file path if it begins with
* a drive letter (eg X:) or starts with "\\" (UNC path).
*/
static inline BOOL is_implicit_file_path(const WCHAR *str) {
if(is_alpha(str[0]) && str[1] == ':')
return TRUE;
else if(str[0] == '\\' && str[1] == '\\')
return TRUE;
return FALSE;
}
/* Checks if the URI is a hierarchical URI. A hierarchical
* URI is one that has "//" after the scheme.
*/
static BOOL check_hierarchical(const WCHAR **ptr) {
const WCHAR *start = *ptr;
if(**ptr != '/')
return FALSE;
++(*ptr);
if(**ptr != '/') {
*ptr = start;
return FALSE;
}
++(*ptr);
return TRUE;
}
/* unreserved = ALPHA / DIGIT / "-" / "." / "_" / "~" */
static inline BOOL is_unreserved(WCHAR val) {
return (is_alpha(val) || is_num(val) || val == '-' || val == '.' ||
val == '_' || val == '~');
}
/* sub-delims = "!" / "$" / "&" / "'" / "(" / ")"
* / "*" / "+" / "," / ";" / "="
*/
static inline BOOL is_subdelim(WCHAR val) {
return (val == '!' || val == '$' || val == '&' ||
val == '\'' || val == '(' || val == ')' ||
val == '*' || val == '+' || val == ',' ||
val == ';' || val == '=');
}
/* gen-delims = ":" / "/" / "?" / "#" / "[" / "]" / "@" */
static inline BOOL is_gendelim(WCHAR val) {
return (val == ':' || val == '/' || val == '?' ||
val == '#' || val == '[' || val == ']' ||
val == '@');
}
/* Characters that delimit the end of the authority
* section of a URI. Sometimes a '\\' is considered
* an authority delimeter.
*/
static inline BOOL is_auth_delim(WCHAR val, BOOL acceptSlash) {
return (val == '#' || val == '/' || val == '?' ||
val == '\0' || (acceptSlash && val == '\\'));
}
/* reserved = gen-delims / sub-delims */
static inline BOOL is_reserved(WCHAR val) {
return (is_subdelim(val) || is_gendelim(val));
}
static inline BOOL is_hexdigit(WCHAR val) {
return ((val >= 'a' && val <= 'f') ||
(val >= 'A' && val <= 'F') ||
(val >= '0' && val <= '9'));
}
static inline BOOL is_path_delim(WCHAR val) {
return (!val || val == '#' || val == '?');
}
/* Checks if the two Uri's are logically equivalent. It's a simple
* comparison, since they are both of type Uri, and it can access
* the properties of each Uri directly without the need to go
* through the "IUri_Get*" interface calls.
*/
static BOOL are_equal_simple(const Uri *a, const Uri *b) {
if(a->scheme_type == b->scheme_type) {
const BOOL known_scheme = a->scheme_type != URL_SCHEME_UNKNOWN;
const BOOL are_hierarchical =
(a->authority_start > -1 && b->authority_start > -1);
if(a->scheme_type == URL_SCHEME_FILE) {
if(a->canon_len == b->canon_len)
return !StrCmpIW(a->canon_uri, b->canon_uri);
}
/* Only compare the scheme names (if any) if their unknown scheme types. */
if(!known_scheme) {
if((a->scheme_start > -1 && b->scheme_start > -1) &&
(a->scheme_len == b->scheme_len)) {
/* Make sure the schemes are the same. */
if(StrCmpNW(a->canon_uri+a->scheme_start, b->canon_uri+b->scheme_start, a->scheme_len))
return FALSE;
} else if(a->scheme_len != b->scheme_len)
/* One of the Uri's has a scheme name, while the other doesn't. */
return FALSE;
}
/* If they have a userinfo component, perform case sensitive compare. */
if((a->userinfo_start > -1 && b->userinfo_start > -1) &&
(a->userinfo_len == b->userinfo_len)) {
if(StrCmpNW(a->canon_uri+a->userinfo_start, b->canon_uri+b->userinfo_start, a->userinfo_len))
return FALSE;
} else if(a->userinfo_len != b->userinfo_len)
/* One of the Uri's had a userinfo, while the other one doesn't. */
return FALSE;
/* Check if they have a host name. */
if((a->host_start > -1 && b->host_start > -1) &&
(a->host_len == b->host_len)) {
/* Perform a case insensitive compare if they are a known scheme type. */
if(known_scheme) {
if(StrCmpNIW(a->canon_uri+a->host_start, b->canon_uri+b->host_start, a->host_len))
return FALSE;
} else if(StrCmpNW(a->canon_uri+a->host_start, b->canon_uri+b->host_start, a->host_len))
return FALSE;
} else if(a->host_len != b->host_len)
/* One of the Uri's had a host, while the other one didn't. */
return FALSE;
if(a->has_port && b->has_port) {
if(a->port != b->port)
return FALSE;
} else if(a->has_port || b->has_port)
/* One had a port, while the other one didn't. */
return FALSE;
/* Windows is weird with how it handles paths. For example
* One URI could be "http://google.com" (after canonicalization)
* and one could be "http://google.com/" and the IsEqual function
* would still evaluate to TRUE, but, only if they are both hierarchical
* URIs.
*/
if((a->path_start > -1 && b->path_start > -1) &&
(a->path_len == b->path_len)) {
if(StrCmpNW(a->canon_uri+a->path_start, b->canon_uri+b->path_start, a->path_len))
return FALSE;
} else if(are_hierarchical && a->path_len == -1 && b->path_len == 0) {
if(*(a->canon_uri+a->path_start) != '/')
return FALSE;
} else if(are_hierarchical && b->path_len == 1 && a->path_len == 0) {
if(*(b->canon_uri+b->path_start) != '/')
return FALSE;
} else if(a->path_len != b->path_len)
return FALSE;
/* Compare the query strings of the two URIs. */
if((a->query_start > -1 && b->query_start > -1) &&
(a->query_len == b->query_len)) {
if(StrCmpNW(a->canon_uri+a->query_start, b->canon_uri+b->query_start, a->query_len))
return FALSE;
} else if(a->query_len != b->query_len)
return FALSE;
if((a->fragment_start > -1 && b->fragment_start > -1) &&
(a->fragment_len == b->fragment_len)) {
if(StrCmpNW(a->canon_uri+a->fragment_start, b->canon_uri+b->fragment_start, a->fragment_len))
return FALSE;
} else if(a->fragment_len != b->fragment_len)
return FALSE;
/* If we get here, the two URIs are equivalent. */
return TRUE;
}
return FALSE;
}
/* Computes the size of the given IPv6 address.
* Each h16 component is 16bits, if there is an IPv4 address, it's
* 32bits. If there's an elision it can be 16bits to 128bits, depending
* on the number of other components.
*
* Modeled after google-url's CheckIPv6ComponentsSize function
*/
static void compute_ipv6_comps_size(ipv6_address *address) {
address->components_size = address->h16_count * 2;
if(address->ipv4)
/* IPv4 address is 4 bytes. */
address->components_size += 4;
if(address->elision) {
/* An elision can be anywhere from 2 bytes up to 16 bytes.
* It size depends on the size of the h16 and IPv4 components.
*/
address->elision_size = 16 - address->components_size;
if(address->elision_size < 2)
address->elision_size = 2;
} else
address->elision_size = 0;
}
/* Taken from dlls/jscript/lex.c */
static int hex_to_int(WCHAR val) {
if(val >= '0' && val <= '9')
return val - '0';
else if(val >= 'a' && val <= 'f')
return val - 'a' + 10;
else if(val >= 'A' && val <= 'F')
return val - 'A' + 10;
return -1;
}
/* Helper function for converting a percent encoded string
* representation of a WCHAR value into its actual WCHAR value. If
* the two characters following the '%' aren't valid hex values then
* this function returns the NULL character.
*
* Eg.
* "%2E" will result in '.' being returned by this function.
*/
static WCHAR decode_pct_val(const WCHAR *ptr) {
WCHAR ret = '\0';
if(*ptr == '%' && is_hexdigit(*(ptr + 1)) && is_hexdigit(*(ptr + 2))) {
INT a = hex_to_int(*(ptr + 1));
INT b = hex_to_int(*(ptr + 2));
ret = a << 4;
ret += b;
}
return ret;
}
/* Helper function for percent encoding a given character
* and storing the encoded value into a given buffer (dest).
*
* It's up to the calling function to ensure that there is
* at least enough space in 'dest' for the percent encoded
* value to be stored (so dest + 3 spaces available).
*/
static inline void pct_encode_val(WCHAR val, WCHAR *dest) {
dest[0] = '%';
dest[1] = hexDigits[(val >> 4) & 0xf];
dest[2] = hexDigits[val & 0xf];
}
/* Scans the range of characters [str, end] and returns the last occurrence
* of 'ch' or returns NULL.
*/
static const WCHAR *str_last_of(const WCHAR *str, const WCHAR *end, WCHAR ch) {
const WCHAR *ptr = end;
while(ptr >= str) {
if(*ptr == ch)
return ptr;
--ptr;
}
return NULL;
}
/* Attempts to parse the domain name from the host.
*
* This function also includes the Top-level Domain (TLD) name
* of the host when it tries to find the domain name. If it finds
* a valid domain name it will assign 'domain_start' the offset
* into 'host' where the domain name starts.
*
* It's implied that if a domain name its range is implied to be
* [host+domain_start, host+host_len).
*/
static void find_domain_name(const WCHAR *host, DWORD host_len,
INT *domain_start) {
const WCHAR *last_tld, *sec_last_tld, *end;
end = host+host_len-1;
*domain_start = -1;
/* There has to be at least enough room for a '.' followed by a
* 3 character TLD for a domain to even exist in the host name.
*/
if(host_len < 4)
return;
last_tld = str_last_of(host, end, '.');
if(!last_tld)
/* http://hostname -> has no domain name. */
return;
sec_last_tld = str_last_of(host, last_tld-1, '.');
if(!sec_last_tld) {
/* If the '.' is at the beginning of the host there
* has to be at least 3 characters in the TLD for it
* to be valid.
* Ex: .com -> .com as the domain name.
* .co -> has no domain name.
*/
if(last_tld-host == 0) {
if(end-(last_tld-1) < 3)
return;
} else if(last_tld-host == 3) {
DWORD i;
/* If there's three characters in front of last_tld and
* they are on the list of recognized TLDs, then this
* host doesn't have a domain (since the host only contains
* a TLD name.
* Ex: edu.uk -> has no domain name.
* foo.uk -> foo.uk as the domain name.
*/
for(i = 0; i < sizeof(recognized_tlds)/sizeof(recognized_tlds[0]); ++i) {
if(!StrCmpNIW(host, recognized_tlds[i].tld_name, 3))
return;
}
} else if(last_tld-host < 3)
/* Anything less than 3 characters is considered part
* of the TLD name.
* Ex: ak.uk -> Has no domain name.
*/
return;
/* Otherwise the domain name is the whole host name. */
*domain_start = 0;
} else if(end+1-last_tld > 3) {
/* If the last_tld has more than 3 characters, then it's automatically
* considered the TLD of the domain name.
* Ex: www.winehq.org.uk.test -> uk.test as the domain name.
*/
*domain_start = (sec_last_tld+1)-host;
} else if(last_tld - (sec_last_tld+1) < 4) {
DWORD i;
/* If the sec_last_tld is 3 characters long it HAS to be on the list of
* recognized to still be considered part of the TLD name, otherwise
* its considered the domain name.
* Ex: www.google.com.uk -> google.com.uk as the domain name.
* www.google.foo.uk -> foo.uk as the domain name.
*/
if(last_tld - (sec_last_tld+1) == 3) {
for(i = 0; i < sizeof(recognized_tlds)/sizeof(recognized_tlds[0]); ++i) {
if(!StrCmpNIW(sec_last_tld+1, recognized_tlds[i].tld_name, 3)) {
const WCHAR *domain = str_last_of(host, sec_last_tld-1, '.');
if(!domain)
*domain_start = 0;
else
*domain_start = (domain+1) - host;
TRACE("Found domain name %s\n", debugstr_wn(host+*domain_start,
(host+host_len)-(host+*domain_start)));
return;
}
}
*domain_start = (sec_last_tld+1)-host;
} else {
/* Since the sec_last_tld is less than 3 characters it's considered
* part of the TLD.
* Ex: www.google.fo.uk -> google.fo.uk as the domain name.
*/
const WCHAR *domain = str_last_of(host, sec_last_tld-1, '.');
if(!domain)
*domain_start = 0;
else
*domain_start = (domain+1) - host;
}
} else {
/* The second to last TLD has more than 3 characters making it
* the domain name.
* Ex: www.google.test.us -> test.us as the domain name.
*/
*domain_start = (sec_last_tld+1)-host;
}
TRACE("Found domain name %s\n", debugstr_wn(host+*domain_start,
(host+host_len)-(host+*domain_start)));
}
/* Removes the dot segments from a hierarchical URIs path component. This
* function performs the removal in place.
*
* This is a modified version of Qt's QUrl function "removeDotsFromPath".
*
* This function returns the new length of the path string.
*/
static DWORD remove_dot_segments(WCHAR *path, DWORD path_len) {
WCHAR *out = path;
const WCHAR *in = out;
const WCHAR *end = out + path_len;
DWORD len;
while(in < end) {
/* A. if the input buffer begins with a prefix of "/./" or "/.",
* where "." is a complete path segment, then replace that
* prefix with "/" in the input buffer; otherwise,
*/
if(in <= end - 3 && in[0] == '/' && in[1] == '.' && in[2] == '/') {
in += 2;
continue;
} else if(in == end - 2 && in[0] == '/' && in[1] == '.') {
*out++ = '/';
in += 2;
break;
}
/* B. if the input buffer begins with a prefix of "/../" or "/..",
* where ".." is a complete path segment, then replace that
* prefix with "/" in the input buffer and remove the last
* segment and its preceding "/" (if any) from the output
* buffer; otherwise,
*/
if(in <= end - 4 && in[0] == '/' && in[1] == '.' && in[2] == '.' && in[3] == '/') {
while(out > path && *(--out) != '/');
in += 3;
continue;
} else if(in == end - 3 && in[0] == '/' && in[1] == '.' && in[2] == '.') {
while(out > path && *(--out) != '/');
if(*out == '/')
++out;
in += 3;
break;
}
/* C. move the first path segment in the input buffer to the end of
* the output buffer, including the initial "/" character (if
* any) and any subsequent characters up to, but not including,
* the next "/" character or the end of the input buffer.
*/
*out++ = *in++;
while(in < end && *in != '/')
*out++ = *in++;
}
len = out - path;
TRACE("(%p %d): Path after dot segments removed %s len=%d\n", path, path_len,
debugstr_wn(path, len), len);
return len;
}
/* Attempts to find the file extension in a given path. */
static INT find_file_extension(const WCHAR *path, DWORD path_len) {
const WCHAR *end;
for(end = path+path_len-1; end >= path && *end != '/' && *end != '\\'; --end) {
if(*end == '.')
return end-path;
}
return -1;
}
/* Computes the location where the elision should occur in the IPv6
* address using the numerical values of each component stored in
* 'values'. If the address shouldn't contain an elision then 'index'
* is assigned -1 as it's value. Otherwise 'index' will contain the
* starting index (into values) where the elision should be, and 'count'
* will contain the number of cells the elision covers.
*
* NOTES:
* Windows will expand an elision if the elision only represents 1 h16
* component of the URI.
*
* Ex: [1::2:3:4:5:6:7] -> [1:0:2:3:4:5:6:7]
*
* If the IPv6 address contains an IPv4 address, the IPv4 address is also
* considered for being included as part of an elision if all it's components
* are zeros.
*
* Ex: [1:2:3:4:5:6:0.0.0.0] -> [1:2:3:4:5:6::]
*/
static void compute_elision_location(const ipv6_address *address, const USHORT values[8],
INT *index, DWORD *count) {
DWORD i, max_len, cur_len;
INT max_index, cur_index;
max_len = cur_len = 0;
max_index = cur_index = -1;
for(i = 0; i < 8; ++i) {
BOOL check_ipv4 = (address->ipv4 && i == 6);
BOOL is_end = (check_ipv4 || i == 7);
if(check_ipv4) {
/* Check if the IPv4 address contains only zeros. */
if(values[i] == 0 && values[i+1] == 0) {
if(cur_index == -1)
cur_index = i;
cur_len += 2;
++i;
}
} else if(values[i] == 0) {
if(cur_index == -1)
cur_index = i;
++cur_len;
}
if(is_end || values[i] != 0) {
/* We only consider it for an elision if it's
* more than 1 component long.
*/
if(cur_len > 1 && cur_len > max_len) {
/* Found the new elision location. */
max_len = cur_len;
max_index = cur_index;
}
/* Reset the current range for the next range of zeros. */
cur_index = -1;
cur_len = 0;
}
}
*index = max_index;
*count = max_len;
}
/* Removes all the leading and trailing white spaces or
* control characters from the URI and removes all control
* characters inside of the URI string.
*/
static BSTR pre_process_uri(LPCWSTR uri) {
BSTR ret;
DWORD len;
const WCHAR *start, *end;
WCHAR *buf, *ptr;
len = lstrlenW(uri);
start = uri;
/* Skip leading controls and whitespace. */
while(iscntrlW(*start) || isspaceW(*start)) ++start;
end = uri+len-1;
if(start == end)
/* URI consisted only of control/whitespace. */
ret = SysAllocStringLen(NULL, 0);
else {
while(iscntrlW(*end) || isspaceW(*end)) --end;
buf = heap_alloc(((end+1)-start)*sizeof(WCHAR));
if(!buf)
return NULL;
for(ptr = buf; start < end+1; ++start) {
if(!iscntrlW(*start))
*ptr++ = *start;
}
ret = SysAllocStringLen(buf, ptr-buf);
heap_free(buf);
}
return ret;
}
/* Converts the specified IPv4 address into an uint value.
*
* This function assumes that the IPv4 address has already been validated.
*/
static UINT ipv4toui(const WCHAR *ip, DWORD len) {
UINT ret = 0;
DWORD comp_value = 0;
const WCHAR *ptr;
for(ptr = ip; ptr < ip+len; ++ptr) {
if(*ptr == '.') {
ret <<= 8;
ret += comp_value;
comp_value = 0;
} else
comp_value = comp_value*10 + (*ptr-'0');
}
ret <<= 8;
ret += comp_value;
return ret;
}
/* Converts an IPv4 address in numerical form into it's fully qualified
* string form. This function returns the number of characters written
* to 'dest'. If 'dest' is NULL this function will return the number of
* characters that would have been written.
*
* It's up to the caller to ensure there's enough space in 'dest' for the
* address.
*/
static DWORD ui2ipv4(WCHAR *dest, UINT address) {
static const WCHAR formatW[] =
{'%','u','.','%','u','.','%','u','.','%','u',0};
DWORD ret = 0;
UCHAR digits[4];
digits[0] = (address >> 24) & 0xff;
digits[1] = (address >> 16) & 0xff;
digits[2] = (address >> 8) & 0xff;
digits[3] = address & 0xff;
if(!dest) {
WCHAR tmp[16];
ret = sprintfW(tmp, formatW, digits[0], digits[1], digits[2], digits[3]);
} else
ret = sprintfW(dest, formatW, digits[0], digits[1], digits[2], digits[3]);
return ret;
}
/* Converts an h16 component (from an IPv6 address) into it's
* numerical value.
*
* This function assumes that the h16 component has already been validated.
*/
static USHORT h16tous(h16 component) {
DWORD i;
USHORT ret = 0;
for(i = 0; i < component.len; ++i) {
ret <<= 4;
ret += hex_to_int(component.str[i]);
}
return ret;
}
/* Converts an IPv6 address into it's 128 bits (16 bytes) numerical value.
*
* This function assumes that the ipv6_address has already been validated.
*/
static BOOL ipv6_to_number(const ipv6_address *address, USHORT number[8]) {
DWORD i, cur_component = 0;
BOOL already_passed_elision = FALSE;
for(i = 0; i < address->h16_count; ++i) {
if(address->elision) {
if(address->components[i].str > address->elision && !already_passed_elision) {
/* Means we just passed the elision and need to add it's values to
* 'number' before we do anything else.
*/
DWORD j = 0;
for(j = 0; j < address->elision_size; j+=2)
number[cur_component++] = 0;
already_passed_elision = TRUE;
}
}
number[cur_component++] = h16tous(address->components[i]);
}
/* Case when the elision appears after the h16 components. */
if(!already_passed_elision && address->elision) {
for(i = 0; i < address->elision_size; i+=2)
number[cur_component++] = 0;
already_passed_elision = TRUE;
}
if(address->ipv4) {
UINT value = ipv4toui(address->ipv4, address->ipv4_len);
if(cur_component != 6) {
ERR("(%p %p): Failed sanity check with %d\n", address, number, cur_component);
return FALSE;
}
number[cur_component++] = (value >> 16) & 0xffff;
number[cur_component] = value & 0xffff;
}
return TRUE;
}
/* Checks if the characters pointed to by 'ptr' are
* a percent encoded data octet.
*
* pct-encoded = "%" HEXDIG HEXDIG
*/
static BOOL check_pct_encoded(const WCHAR **ptr) {
const WCHAR *start = *ptr;
if(**ptr != '%')
return FALSE;
++(*ptr);
if(!is_hexdigit(**ptr)) {
*ptr = start;
return FALSE;
}
++(*ptr);
if(!is_hexdigit(**ptr)) {
*ptr = start;
return FALSE;
}
++(*ptr);
return TRUE;
}
/* dec-octet = DIGIT ; 0-9
* / %x31-39 DIGIT ; 10-99
* / "1" 2DIGIT ; 100-199
* / "2" %x30-34 DIGIT ; 200-249
* / "25" %x30-35 ; 250-255
*/
static BOOL check_dec_octet(const WCHAR **ptr) {
const WCHAR *c1, *c2, *c3;
c1 = *ptr;
/* A dec-octet must be at least 1 digit long. */
if(*c1 < '0' || *c1 > '9')
return FALSE;
++(*ptr);
c2 = *ptr;
/* Since the 1 digit requirment was meet, it doesn't
* matter if this is a DIGIT value, it's considered a
* dec-octet.
*/
if(*c2 < '0' || *c2 > '9')
return TRUE;
++(*ptr);
c3 = *ptr;
/* Same explanation as above. */
if(*c3 < '0' || *c3 > '9')
return TRUE;
/* Anything > 255 isn't a valid IP dec-octet. */
if(*c1 >= '2' && *c2 >= '5' && *c3 >= '5') {
*ptr = c1;
return FALSE;
}
++(*ptr);
return TRUE;
}
/* Checks if there is an implicit IPv4 address in the host component of the URI.
* The max value of an implicit IPv4 address is UINT_MAX.
*
* Ex:
* "234567" would be considered an implicit IPv4 address.
*/
static BOOL check_implicit_ipv4(const WCHAR **ptr, UINT *val) {
const WCHAR *start = *ptr;
ULONGLONG ret = 0;
*val = 0;
while(is_num(**ptr)) {
ret = ret*10 + (**ptr - '0');
if(ret > UINT_MAX) {
*ptr = start;
return FALSE;
}
++(*ptr);
}
if(*ptr == start)
return FALSE;
*val = ret;
return TRUE;
}
/* Checks if the string contains an IPv4 address.
*
* This function has a strict mode or a non-strict mode of operation
* When 'strict' is set to FALSE this function will return TRUE if
* the string contains at least 'dec-octet "." dec-octet' since partial
* IPv4 addresses will be normalized out into full IPv4 addresses. When
* 'strict' is set this function expects there to be a full IPv4 address.
*
* IPv4address = dec-octet "." dec-octet "." dec-octet "." dec-octet
*/
static BOOL check_ipv4address(const WCHAR **ptr, BOOL strict) {
const WCHAR *start = *ptr;
if(!check_dec_octet(ptr)) {
*ptr = start;
return FALSE;
}
if(**ptr != '.') {
*ptr = start;
return FALSE;
}
++(*ptr);
if(!check_dec_octet(ptr)) {
*ptr = start;
return FALSE;
}
if(**ptr != '.') {
if(strict) {
*ptr = start;
return FALSE;
} else
return TRUE;
}
++(*ptr);
if(!check_dec_octet(ptr)) {
*ptr = start;
return FALSE;
}
if(**ptr != '.') {
if(strict) {
*ptr = start;
return FALSE;
} else
return TRUE;
}
++(*ptr);
if(!check_dec_octet(ptr)) {
*ptr = start;
return FALSE;
}
/* Found a four digit ip address. */
return TRUE;
}
/* Tries to parse the scheme name of the URI.
*
* scheme = ALPHA *(ALPHA | NUM | '+' | '-' | '.') as defined by RFC 3896.
* NOTE: Windows accepts a number as the first character of a scheme.
*/
static BOOL parse_scheme_name(const WCHAR **ptr, parse_data *data) {
const WCHAR *start = *ptr;
data->scheme = NULL;
data->scheme_len = 0;
while(**ptr) {
if(**ptr == '*' && *ptr == start) {
/* Might have found a wildcard scheme. If it is the next
* char has to be a ':' for it to be a valid URI
*/
++(*ptr);
break;
} else if(!is_num(**ptr) && !is_alpha(**ptr) && **ptr != '+' &&
**ptr != '-' && **ptr != '.')
break;
(*ptr)++;
}
if(*ptr == start)
return FALSE;
/* Schemes must end with a ':' */
if(**ptr != ':') {
*ptr = start;
return FALSE;
}
data->scheme = start;
data->scheme_len = *ptr - start;
++(*ptr);
return TRUE;
}
/* Tries to deduce the corresponding URL_SCHEME for the given URI. Stores
* the deduced URL_SCHEME in data->scheme_type.
*/
static BOOL parse_scheme_type(parse_data *data) {
/* If there's scheme data then see if it's a recognized scheme. */
if(data->scheme && data->scheme_len) {
DWORD i;
for(i = 0; i < sizeof(recognized_schemes)/sizeof(recognized_schemes[0]); ++i) {
if(lstrlenW(recognized_schemes[i].scheme_name) == data->scheme_len) {
/* Has to be a case insensitive compare. */
if(!StrCmpNIW(recognized_schemes[i].scheme_name, data->scheme, data->scheme_len)) {
data->scheme_type = recognized_schemes[i].scheme;
return TRUE;
}
}
}
/* If we get here it means it's not a recognized scheme. */
data->scheme_type = URL_SCHEME_UNKNOWN;
return TRUE;
} else if(data->is_relative) {
/* Relative URI's have no scheme. */
data->scheme_type = URL_SCHEME_UNKNOWN;
return TRUE;
} else {
/* Should never reach here! what happened... */
FIXME("(%p): Unable to determine scheme type for URI %s\n", data, debugstr_w(data->uri));
return FALSE;
}
}
/* Tries to parse (or deduce) the scheme_name of a URI. If it can't
* parse a scheme from the URI it will try to deduce the scheme_name and scheme_type
* using the flags specified in 'flags' (if any). Flags that affect how this function
* operates are the Uri_CREATE_ALLOW_* flags.
*
* All parsed/deduced information will be stored in 'data' when the function returns.
*
* Returns TRUE if it was able to successfully parse the information.
*/
static BOOL parse_scheme(const WCHAR **ptr, parse_data *data, DWORD flags) {
static const WCHAR fileW[] = {'f','i','l','e',0};
static const WCHAR wildcardW[] = {'*',0};
/* First check to see if the uri could implicitly be a file path. */
if(is_implicit_file_path(*ptr)) {
if(flags & Uri_CREATE_ALLOW_IMPLICIT_FILE_SCHEME) {
data->scheme = fileW;
data->scheme_len = lstrlenW(fileW);
data->has_implicit_scheme = TRUE;
TRACE("(%p %p %x): URI is an implicit file path.\n", ptr, data, flags);
} else {
/* Window's does not consider anything that can implicitly be a file
* path to be a valid URI if the ALLOW_IMPLICIT_FILE_SCHEME flag is not set...
*/
TRACE("(%p %p %x): URI is implicitly a file path, but, the ALLOW_IMPLICIT_FILE_SCHEME flag wasn't set.\n",
ptr, data, flags);
return FALSE;
}
} else if(!parse_scheme_name(ptr, data)) {
/* No Scheme was found, this means it could be:
* a) an implicit Wildcard scheme
* b) a relative URI
* c) a invalid URI.
*/
if(flags & Uri_CREATE_ALLOW_IMPLICIT_WILDCARD_SCHEME) {
data->scheme = wildcardW;
data->scheme_len = lstrlenW(wildcardW);
data->has_implicit_scheme = TRUE;
TRACE("(%p %p %x): URI is an implicit wildcard scheme.\n", ptr, data, flags);
} else if (flags & Uri_CREATE_ALLOW_RELATIVE) {
data->is_relative = TRUE;
TRACE("(%p %p %x): URI is relative.\n", ptr, data, flags);
} else {
TRACE("(%p %p %x): Malformed URI found. Unable to deduce scheme name.\n", ptr, data, flags);
return FALSE;
}
}
if(!data->is_relative)
TRACE("(%p %p %x): Found scheme=%s scheme_len=%d\n", ptr, data, flags,
debugstr_wn(data->scheme, data->scheme_len), data->scheme_len);
if(!parse_scheme_type(data))
return FALSE;
TRACE("(%p %p %x): Assigned %d as the URL_SCHEME.\n", ptr, data, flags, data->scheme_type);
return TRUE;
}
/* Parses the userinfo part of the URI (if it exists). The userinfo field of
* a URI can consist of "username:password@", or just "username@".
*
* RFC def:
* userinfo = *( unreserved / pct-encoded / sub-delims / ":" )
*
* NOTES:
* 1) If there is more than one ':' in the userinfo part of the URI Windows
* uses the first occurrence of ':' to delimit the username and password
* components.
*
* ex:
* ftp://user:pass:word@winehq.org
*
* Would yield, "user" as the username and "pass:word" as the password.
*
* 2) Windows allows any character to appear in the "userinfo" part of
* a URI, as long as it's not an authority delimeter character set.
*/
static void parse_userinfo(const WCHAR **ptr, parse_data *data, DWORD flags) {
data->userinfo = *ptr;
data->userinfo_split = -1;
while(**ptr != '@') {
if(**ptr == ':' && data->userinfo_split == -1)
data->userinfo_split = *ptr - data->userinfo;
else if(**ptr == '%') {
/* If it's a known scheme type, it has to be a valid percent
* encoded value.
*/
if(!check_pct_encoded(ptr)) {
if(data->scheme_type != URL_SCHEME_UNKNOWN) {
*ptr = data->userinfo;
data->userinfo = NULL;
data->userinfo_split = -1;
TRACE("(%p %p %x): URI contained no userinfo.\n", ptr, data, flags);
return;
}
} else
continue;
} else if(is_auth_delim(**ptr, data->scheme_type != URL_SCHEME_UNKNOWN))
break;
++(*ptr);
}
if(**ptr != '@') {
*ptr = data->userinfo;
data->userinfo = NULL;
data->userinfo_split = -1;
TRACE("(%p %p %x): URI contained no userinfo.\n", ptr, data, flags);
return;
}
data->userinfo_len = *ptr - data->userinfo;
TRACE("(%p %p %x): Found userinfo=%s userinfo_len=%d split=%d.\n", ptr, data, flags,
debugstr_wn(data->userinfo, data->userinfo_len), data->userinfo_len, data->userinfo_split);
++(*ptr);
}
/* Attempts to parse a port from the URI.
*
* NOTES:
* Windows seems to have a cap on what the maximum value
* for a port can be. The max value is USHORT_MAX.
*
* port = *DIGIT
*/
static BOOL parse_port(const WCHAR **ptr, parse_data *data, DWORD flags) {
UINT port = 0;
data->port = *ptr;
while(!is_auth_delim(**ptr, data->scheme_type != URL_SCHEME_UNKNOWN)) {
if(!is_num(**ptr)) {
*ptr = data->port;
data->port = NULL;
return FALSE;
}
port = port*10 + (**ptr-'0');
if(port > USHORT_MAX) {
*ptr = data->port;
data->port = NULL;
return FALSE;
}
++(*ptr);
}
data->port_value = port;
data->port_len = *ptr - data->port;
TRACE("(%p %p %x): Found port %s len=%d value=%u\n", ptr, data, flags,
debugstr_wn(data->port, data->port_len), data->port_len, data->port_value);
return TRUE;
}
/* Attempts to parse a IPv4 address from the URI.
*
* NOTES:
* Window's normalizes IPv4 addresses, This means there's three
* possibilities for the URI to contain an IPv4 address.
* 1) A well formed address (ex. 192.2.2.2).
* 2) A partially formed address. For example "192.0" would
* normalize to "192.0.0.0" during canonicalization.
* 3) An implicit IPv4 address. For example "256" would
* normalize to "0.0.1.0" during canonicalization. Also
* note that the maximum value for an implicit IP address
* is UINT_MAX, if the value in the URI exceeds this then
* it is not considered an IPv4 address.
*/
static BOOL parse_ipv4address(const WCHAR **ptr, parse_data *data, DWORD flags) {
const BOOL is_unknown = data->scheme_type == URL_SCHEME_UNKNOWN;
data->host = *ptr;
if(!check_ipv4address(ptr, FALSE)) {
if(!check_implicit_ipv4(ptr, &data->implicit_ipv4)) {
TRACE("(%p %p %x): URI didn't contain anything looking like an IPv4 address.\n",
ptr, data, flags);
*ptr = data->host;
data->host = NULL;
return FALSE;
} else
data->has_implicit_ip = TRUE;
}
/* Check if what we found is the only part of the host name (if it isn't
* we don't have an IPv4 address).
*/
if(**ptr == ':') {
++(*ptr);
if(!parse_port(ptr, data, flags)) {
*ptr = data->host;
data->host = NULL;
return FALSE;
}
} else if(!is_auth_delim(**ptr, !is_unknown)) {
/* Found more data which belongs the host, so this isn't an IPv4. */
*ptr = data->host;
data->host = NULL;
data->has_implicit_ip = FALSE;
return FALSE;
}
data->host_len = *ptr - data->host;
data->host_type = Uri_HOST_IPV4;
TRACE("(%p %p %x): IPv4 address found. host=%s host_len=%d host_type=%d\n",
ptr, data, flags, debugstr_wn(data->host, data->host_len),
data->host_len, data->host_type);
return TRUE;
}
/* Attempts to parse the reg-name from the URI.
*
* Because of the way Windows handles ':' this function also
* handles parsing the port.
*
* reg-name = *( unreserved / pct-encoded / sub-delims )
*
* NOTE:
* Windows allows everything, but, the characters in "auth_delims" and ':'
* to appear in a reg-name, unless it's an unknown scheme type then ':' is
* allowed to appear (even if a valid port isn't after it).
*
* Windows doesn't like host names which start with '[' and end with ']'
* and don't contain a valid IP literal address in between them.
*
* On Windows if an '[' is encountered in the host name the ':' no longer
* counts as a delimiter until you reach the next ']' or an "authority delimeter".
*
* A reg-name CAN be empty.
*/
static BOOL parse_reg_name(const WCHAR **ptr, parse_data *data, DWORD flags) {
const BOOL has_start_bracket = **ptr == '[';
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
BOOL inside_brackets = has_start_bracket;
BOOL ignore_col = FALSE;
/* We have to be careful with file schemes. */
if(data->scheme_type == URL_SCHEME_FILE) {
/* This is because an implicit file scheme could be "C:\\test" and it
* would trick this function into thinking the host is "C", when after
* canonicalization the host would end up being an empty string.
*/
if(is_alpha(**ptr) && *(*ptr+1) == ':') {
/* Regular old drive paths don't have a host type (or host name). */
data->host_type = Uri_HOST_UNKNOWN;
data->host = *ptr;
data->host_len = 0;
return TRUE;
} else if(**ptr == '\\' && *(*ptr+1) == '\\')
/* Skip past the "\\" of a UNC path. */
*ptr += 2;
}
data->host = *ptr;
while(!is_auth_delim(**ptr, known_scheme)) {
if(**ptr == ':' && !ignore_col) {
/* We can ignore ':' if were inside brackets.*/
if(!inside_brackets) {
const WCHAR *tmp = (*ptr)++;
/* Attempt to parse the port. */
if(!parse_port(ptr, data, flags)) {
/* Windows expects there to be a valid port for known scheme types. */
if(data->scheme_type != URL_SCHEME_UNKNOWN) {
*ptr = data->host;
data->host = NULL;
TRACE("(%p %p %x): Expected valid port\n", ptr, data, flags);
return FALSE;
} else
/* Windows gives up on trying to parse a port when it
* encounters 1 invalid port.
*/
ignore_col = TRUE;
} else {
data->host_len = tmp - data->host;
break;
}
}
} else if(**ptr == '%' && known_scheme) {
/* Has to be a legit % encoded value. */
if(!check_pct_encoded(ptr)) {
*ptr = data->host;
data->host = NULL;
return FALSE;
} else
continue;
} else if(**ptr == ']')
inside_brackets = FALSE;
else if(**ptr == '[')
inside_brackets = TRUE;
++(*ptr);
}
if(has_start_bracket) {
/* Make sure the last character of the host wasn't a ']'. */
if(*(*ptr-1) == ']') {
TRACE("(%p %p %x): Expected an IP literal inside of the host\n",
ptr, data, flags);
*ptr = data->host;
data->host = NULL;
return FALSE;
}
}
/* Don't overwrite our length if we found a port earlier. */
if(!data->port)
data->host_len = *ptr - data->host;
/* If the host is empty, then it's an unknown host type. */
if(data->host_len == 0)
data->host_type = Uri_HOST_UNKNOWN;
else
data->host_type = Uri_HOST_DNS;
TRACE("(%p %p %x): Parsed reg-name. host=%s len=%d\n", ptr, data, flags,
debugstr_wn(data->host, data->host_len), data->host_len);
return TRUE;
}
/* Attempts to parse an IPv6 address out of the URI.
*
* IPv6address = 6( h16 ":" ) ls32
* / "::" 5( h16 ":" ) ls32
* / [ h16 ] "::" 4( h16 ":" ) ls32
* / [ *1( h16 ":" ) h16 ] "::" 3( h16 ":" ) ls32
* / [ *2( h16 ":" ) h16 ] "::" 2( h16 ":" ) ls32
* / [ *3( h16 ":" ) h16 ] "::" h16 ":" ls32
* / [ *4( h16 ":" ) h16 ] "::" ls32
* / [ *5( h16 ":" ) h16 ] "::" h16
* / [ *6( h16 ":" ) h16 ] "::"
*
* ls32 = ( h16 ":" h16 ) / IPv4address
* ; least-significant 32 bits of address.
*
* h16 = 1*4HEXDIG
* ; 16 bits of address represented in hexadecimal.
*
* Modeled after google-url's 'DoParseIPv6' function.
*/
static BOOL parse_ipv6address(const WCHAR **ptr, parse_data *data, DWORD flags) {
const WCHAR *start, *cur_start;
ipv6_address ip;
start = cur_start = *ptr;
memset(&ip, 0, sizeof(ipv6_address));
for(;; ++(*ptr)) {
/* Check if we're on the last character of the host. */
BOOL is_end = (is_auth_delim(**ptr, data->scheme_type != URL_SCHEME_UNKNOWN)
|| **ptr == ']');
BOOL is_split = (**ptr == ':');
BOOL is_elision = (is_split && !is_end && *(*ptr+1) == ':');
/* Check if we're at the end of a component, or
* if we're at the end of the IPv6 address.
*/
if(is_split || is_end) {
DWORD cur_len = 0;
cur_len = *ptr - cur_start;
/* h16 can't have a length > 4. */
if(cur_len > 4) {
*ptr = start;
TRACE("(%p %p %x): h16 component to long.\n",
ptr, data, flags);
return FALSE;
}
if(cur_len == 0) {
/* An h16 component can't have the length of 0 unless
* the elision is at the beginning of the address, or
* at the end of the address.
*/
if(!((*ptr == start && is_elision) ||
(is_end && (*ptr-2) == ip.elision))) {
*ptr = start;
TRACE("(%p %p %x): IPv6 component cannot have a length of 0.\n",
ptr, data, flags);
return FALSE;
}
}
if(cur_len > 0) {
/* An IPv6 address can have no more than 8 h16 components. */
if(ip.h16_count >= 8) {
*ptr = start;
TRACE("(%p %p %x): Not a IPv6 address, to many h16 components.\n",
ptr, data, flags);
return FALSE;
}
ip.components[ip.h16_count].str = cur_start;
ip.components[ip.h16_count].len = cur_len;
TRACE("(%p %p %x): Found h16 component %s, len=%d, h16_count=%d\n",
ptr, data, flags, debugstr_wn(cur_start, cur_len), cur_len,
ip.h16_count);
++ip.h16_count;
}
}
if(is_end)
break;
if(is_elision) {
/* A IPv6 address can only have 1 elision ('::'). */
if(ip.elision) {
*ptr = start;
TRACE("(%p %p %x): IPv6 address cannot have 2 elisions.\n",
ptr, data, flags);
return FALSE;
}
ip.elision = *ptr;
++(*ptr);
}
if(is_split)
cur_start = *ptr+1;
else {
if(!check_ipv4address(ptr, TRUE)) {
if(!is_hexdigit(**ptr)) {
/* Not a valid character for an IPv6 address. */
*ptr = start;
return FALSE;
}
} else {
/* Found an IPv4 address. */
ip.ipv4 = cur_start;
ip.ipv4_len = *ptr - cur_start;
TRACE("(%p %p %x): Found an attached IPv4 address %s len=%d.\n",
ptr, data, flags, debugstr_wn(ip.ipv4, ip.ipv4_len),
ip.ipv4_len);
/* IPv4 addresses can only appear at the end of a IPv6. */
break;
}
}
}
compute_ipv6_comps_size(&ip);
/* Make sure the IPv6 address adds up to 16 bytes. */
if(ip.components_size + ip.elision_size != 16) {
*ptr = start;
TRACE("(%p %p %x): Invalid IPv6 address, did not add up to 16 bytes.\n",
ptr, data, flags);
return FALSE;
}
if(ip.elision_size == 2) {
/* For some reason on Windows if an elision that represents
* only 1 h16 component is encountered at the very begin or
* end of an IPv6 address, Windows does not consider it a
* valid IPv6 address.
*
* Ex: [::2:3:4:5:6:7] is not valid, even though the sum
* of all the components == 128bits.
*/
if(ip.elision < ip.components[0].str ||
ip.elision > ip.components[ip.h16_count-1].str) {
*ptr = start;
TRACE("(%p %p %x): Invalid IPv6 address. Detected elision of 2 bytes at the beginning or end of the address.\n",
ptr, data, flags);
return FALSE;
}
}
data->host_type = Uri_HOST_IPV6;
data->has_ipv6 = TRUE;
data->ipv6_address = ip;
TRACE("(%p %p %x): Found valid IPv6 literal %s len=%d\n",
ptr, data, flags, debugstr_wn(start, *ptr-start),
*ptr-start);
return TRUE;
}
/* IPvFuture = "v" 1*HEXDIG "." 1*( unreserved / sub-delims / ":" ) */
static BOOL parse_ipvfuture(const WCHAR **ptr, parse_data *data, DWORD flags) {
const WCHAR *start = *ptr;
/* IPvFuture has to start with a 'v' or 'V'. */
if(**ptr != 'v' && **ptr != 'V')
return FALSE;
/* Following the v there must be at least 1 hex digit. */
++(*ptr);
if(!is_hexdigit(**ptr)) {
*ptr = start;
return FALSE;
}
++(*ptr);
while(is_hexdigit(**ptr))
++(*ptr);
/* End of the hexdigit sequence must be a '.' */
if(**ptr != '.') {
*ptr = start;
return FALSE;
}
++(*ptr);
if(!is_unreserved(**ptr) && !is_subdelim(**ptr) && **ptr != ':') {
*ptr = start;
return FALSE;
}
++(*ptr);
while(is_unreserved(**ptr) || is_subdelim(**ptr) || **ptr == ':')
++(*ptr);
data->host_type = Uri_HOST_UNKNOWN;
TRACE("(%p %p %x): Parsed IPvFuture address %s len=%d\n", ptr, data, flags,
debugstr_wn(start, *ptr-start), *ptr-start);
return TRUE;
}
/* IP-literal = "[" ( IPv6address / IPvFuture ) "]" */
static BOOL parse_ip_literal(const WCHAR **ptr, parse_data *data, DWORD flags) {
data->host = *ptr;
if(**ptr != '[') {
data->host = NULL;
return FALSE;
}
++(*ptr);
if(!parse_ipv6address(ptr, data, flags)) {
if(!parse_ipvfuture(ptr, data, flags)) {
*ptr = data->host;
data->host = NULL;
return FALSE;
}
}
if(**ptr != ']') {
*ptr = data->host;
data->host = NULL;
return FALSE;
}
++(*ptr);
if(**ptr == ':') {
++(*ptr);
/* If a valid port is not found, then let it trickle down to
* parse_reg_name.
*/
if(!parse_port(ptr, data, flags)) {
*ptr = data->host;
data->host = NULL;
return FALSE;
}
} else
data->host_len = *ptr - data->host;
return TRUE;
}
/* Parses the host information from the URI.
*
* host = IP-literal / IPv4address / reg-name
*/
static BOOL parse_host(const WCHAR **ptr, parse_data *data, DWORD flags) {
if(!parse_ip_literal(ptr, data, flags)) {
if(!parse_ipv4address(ptr, data, flags)) {
if(!parse_reg_name(ptr, data, flags)) {
TRACE("(%p %p %x): Malformed URI, Unknown host type.\n",
ptr, data, flags);
return FALSE;
}
}
}
return TRUE;
}
/* Parses the authority information from the URI.
*
* authority = [ userinfo "@" ] host [ ":" port ]
*/
static BOOL parse_authority(const WCHAR **ptr, parse_data *data, DWORD flags) {
parse_userinfo(ptr, data, flags);
/* Parsing the port will happen during one of the host parsing
* routines (if the URI has a port).
*/
if(!parse_host(ptr, data, flags))
return FALSE;
return TRUE;
}
/* Attempts to parse the path information of a hierarchical URI. */
static BOOL parse_path_hierarchical(const WCHAR **ptr, parse_data *data, DWORD flags) {
const WCHAR *start = *ptr;
static const WCHAR slash[] = {'/',0};
if(is_path_delim(**ptr)) {
if(data->scheme_type == URL_SCHEME_WILDCARD) {
/* Wildcard schemes don't get a '/' attached if their path is
* empty.
*/
data->path = NULL;
data->path_len = 0;
} else if(!(flags & Uri_CREATE_NO_CANONICALIZE)) {
/* If the path component is empty, then a '/' is added. */
data->path = slash;
data->path_len = 1;
}
} else {
while(!is_path_delim(**ptr)) {
if(**ptr == '%' && data->scheme_type != URL_SCHEME_UNKNOWN &&
data->scheme_type != URL_SCHEME_FILE) {
if(!check_pct_encoded(ptr)) {
*ptr = start;
return FALSE;
} else
continue;
} else if(**ptr == '\\') {
/* Not allowed to have a backslash if NO_CANONICALIZE is set
* and the scheme is known type (but not a file scheme).
*/
if(flags & Uri_CREATE_NO_CANONICALIZE) {
if(data->scheme_type != URL_SCHEME_FILE &&
data->scheme_type != URL_SCHEME_UNKNOWN) {
*ptr = start;
return FALSE;
}
}
}
++(*ptr);
}
/* The only time a URI doesn't have a path is when
* the NO_CANONICALIZE flag is set and the raw URI
* didn't contain one.
*/
if(*ptr == start) {
data->path = NULL;
data->path_len = 0;
} else {
data->path = start;
data->path_len = *ptr - start;
}
}
if(data->path)
TRACE("(%p %p %x): Parsed path %s len=%d\n", ptr, data, flags,
debugstr_wn(data->path, data->path_len), data->path_len);
else
TRACE("(%p %p %x): The URI contained no path\n", ptr, data, flags);
return TRUE;
}
/* Parses the path of a opaque URI (much less strict then the parser
* for a hierarchical URI).
*
* NOTE:
* Windows allows invalid % encoded data to appear in opaque URI paths
* for unknown scheme types.
*/
static BOOL parse_path_opaque(const WCHAR **ptr, parse_data *data, DWORD flags) {
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
data->path = *ptr;
while(!is_path_delim(**ptr)) {
if(**ptr == '%' && known_scheme) {
if(!check_pct_encoded(ptr)) {
*ptr = data->path;
data->path = NULL;
return FALSE;
} else
continue;
}
++(*ptr);
}
data->path_len = *ptr - data->path;
TRACE("(%p %p %x): Parsed opaque URI path %s len=%d\n", ptr, data, flags,
debugstr_wn(data->path, data->path_len), data->path_len);
return TRUE;
}
/* Determines how the URI should be parsed after the scheme information.
*
* If the scheme is followed, by "//" then, it is treated as an hierarchical URI
* which then the authority and path information will be parsed out. Otherwise, the
* URI will be treated as an opaque URI which the authority information is not parsed
* out.
*
* RFC 3896 definition of hier-part:
*
* hier-part = "//" authority path-abempty
* / path-absolute
* / path-rootless
* / path-empty
*
* MSDN opaque URI definition:
* scheme ":" path [ "#" fragment ]
*
* NOTES:
* If the URI is of an unknown scheme type and has a "//" following the scheme then it
* is treated as a hierarchical URI, but, if the CREATE_NO_CRACK_UNKNOWN_SCHEMES flag is
* set then it is considered an opaque URI reguardless of what follows the scheme information
* (per MSDN documentation).
*/
static BOOL parse_hierpart(const WCHAR **ptr, parse_data *data, DWORD flags) {
const WCHAR *start = *ptr;
/* Checks if the authority information needs to be parsed.
*
* Relative URI's aren't hierarchical URI's, but, they could trick
* "check_hierarchical" into thinking it is, so we need to explicitly
* make sure it's not relative. Also, if the URI is an implicit file
* scheme it might not contain a "//", but, it's considered hierarchical
* anyways. Wildcard Schemes are always considered hierarchical
*/
if(data->scheme_type == URL_SCHEME_WILDCARD ||
data->scheme_type == URL_SCHEME_FILE ||
(!data->is_relative && check_hierarchical(ptr))) {
/* Only treat it as a hierarchical URI if the scheme_type is known or
* the Uri_CREATE_NO_CRACK_UNKNOWN_SCHEMES flag is not set.
*/
if(data->scheme_type != URL_SCHEME_UNKNOWN ||
!(flags & Uri_CREATE_NO_CRACK_UNKNOWN_SCHEMES)) {
TRACE("(%p %p %x): Treating URI as an hierarchical URI.\n", ptr, data, flags);
data->is_opaque = FALSE;
if(data->scheme_type == URL_SCHEME_FILE)
/* Skip past the "//" after the scheme (if any). */
check_hierarchical(ptr);
/* TODO: Handle hierarchical URI's, parse authority then parse the path. */
if(!parse_authority(ptr, data, flags))
return FALSE;
return parse_path_hierarchical(ptr, data, flags);
} else
/* Reset ptr to it's starting position so opaque path parsing
* begins at the correct location.
*/
*ptr = start;
}
/* If it reaches here, then the URI will be treated as an opaque
* URI.
*/
TRACE("(%p %p %x): Treating URI as an opaque URI.\n", ptr, data, flags);
data->is_opaque = TRUE;
if(!parse_path_opaque(ptr, data, flags))
return FALSE;
return TRUE;
}
/* Attempts to parse the query string from the URI.
*
* NOTES:
* If NO_DECODE_EXTRA_INFO flag is set, then invalid percent encoded
* data is allowed appear in the query string. For unknown scheme types
* invalid percent encoded data is allowed to appear reguardless.
*/
static BOOL parse_query(const WCHAR **ptr, parse_data *data, DWORD flags) {
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
if(**ptr != '?') {
TRACE("(%p %p %x): URI didn't contain a query string.\n", ptr, data, flags);
return TRUE;
}
data->query = *ptr;
++(*ptr);
while(**ptr && **ptr != '#') {
if(**ptr == '%' && known_scheme &&
!(flags & Uri_CREATE_NO_DECODE_EXTRA_INFO)) {
if(!check_pct_encoded(ptr)) {
*ptr = data->query;
data->query = NULL;
return FALSE;
} else
continue;
}
++(*ptr);
}
data->query_len = *ptr - data->query;
TRACE("(%p %p %x): Parsed query string %s len=%d\n", ptr, data, flags,
debugstr_wn(data->query, data->query_len), data->query_len);
return TRUE;
}
/* Attempts to parse the fragment from the URI.
*
* NOTES:
* If NO_DECODE_EXTRA_INFO flag is set, then invalid percent encoded
* data is allowed appear in the query string. For unknown scheme types
* invalid percent encoded data is allowed to appear reguardless.
*/
static BOOL parse_fragment(const WCHAR **ptr, parse_data *data, DWORD flags) {
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
if(**ptr != '#') {
TRACE("(%p %p %x): URI didn't contain a fragment.\n", ptr, data, flags);
return TRUE;
}
data->fragment = *ptr;
++(*ptr);
while(**ptr) {
if(**ptr == '%' && known_scheme &&
!(flags & Uri_CREATE_NO_DECODE_EXTRA_INFO)) {
if(!check_pct_encoded(ptr)) {
*ptr = data->fragment;
data->fragment = NULL;
return FALSE;
} else
continue;
}
++(*ptr);
}
data->fragment_len = *ptr - data->fragment;
TRACE("(%p %p %x): Parsed fragment %s len=%d\n", ptr, data, flags,
debugstr_wn(data->fragment, data->fragment_len), data->fragment_len);
return TRUE;
}
/* Parses and validates the components of the specified by data->uri
* and stores the information it parses into 'data'.
*
* Returns TRUE if it successfully parsed the URI. False otherwise.
*/
static BOOL parse_uri(parse_data *data, DWORD flags) {
const WCHAR *ptr;
const WCHAR **pptr;
ptr = data->uri;
pptr = &ptr;
TRACE("(%p %x): BEGINNING TO PARSE URI %s.\n", data, flags, debugstr_w(data->uri));
if(!parse_scheme(pptr, data, flags))
return FALSE;
if(!parse_hierpart(pptr, data, flags))
return FALSE;
if(!parse_query(pptr, data, flags))
return FALSE;
if(!parse_fragment(pptr, data, flags))
return FALSE;
TRACE("(%p %x): FINISHED PARSING URI.\n", data, flags);
return TRUE;
}
/* Canonicalizes the userinfo of the URI represented by the parse_data.
*
* Canonicalization of the userinfo is a simple process. If there are any percent
* encoded characters that fall in the "unreserved" character set, they are decoded
* to their actual value. If a character is not in the "unreserved" or "reserved" sets
* then it is percent encoded. Other than that the characters are copied over without
* change.
*/
static BOOL canonicalize_userinfo(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
DWORD i = 0;
uri->userinfo_start = uri->userinfo_split = -1;
uri->userinfo_len = 0;
if(!data->userinfo)
/* URI doesn't have userinfo, so nothing to do here. */
return TRUE;
uri->userinfo_start = uri->canon_len;
while(i < data->userinfo_len) {
if(data->userinfo[i] == ':' && uri->userinfo_split == -1)
/* Windows only considers the first ':' as the delimiter. */
uri->userinfo_split = uri->canon_len - uri->userinfo_start;
else if(data->userinfo[i] == '%') {
/* Only decode % encoded values for known scheme types. */
if(data->scheme_type != URL_SCHEME_UNKNOWN) {
/* See if the value really needs decoded. */
WCHAR val = decode_pct_val(data->userinfo + i);
if(is_unreserved(val)) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = val;
++uri->canon_len;
/* Move pass the hex characters. */
i += 3;
continue;
}
}
} else if(!is_reserved(data->userinfo[i]) && !is_unreserved(data->userinfo[i]) &&
data->userinfo[i] != '\\') {
/* Only percent encode forbidden characters if the NO_ENCODE_FORBIDDEN_CHARACTERS flag
* is NOT set.
*/
if(!(flags & Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS)) {
if(!computeOnly)
pct_encode_val(data->userinfo[i], uri->canon_uri + uri->canon_len);
uri->canon_len += 3;
++i;
continue;
}
}
if(!computeOnly)
/* Nothing special, so just copy the character over. */
uri->canon_uri[uri->canon_len] = data->userinfo[i];
++uri->canon_len;
++i;
}
uri->userinfo_len = uri->canon_len - uri->userinfo_start;
if(!computeOnly)
TRACE("(%p %p %x %d): Canonicalized userinfo, userinfo_start=%d, userinfo=%s, userinfo_split=%d userinfo_len=%d.\n",
data, uri, flags, computeOnly, uri->userinfo_start, debugstr_wn(uri->canon_uri + uri->userinfo_start, uri->userinfo_len),
uri->userinfo_split, uri->userinfo_len);
/* Now insert the '@' after the userinfo. */
if(!computeOnly)
uri->canon_uri[uri->canon_len] = '@';
++uri->canon_len;
return TRUE;
}
/* Attempts to canonicalize a reg_name.
*
* Things that happen:
* 1) If Uri_CREATE_NO_CANONICALIZE flag is not set, then the reg_name is
* lower cased. Unless it's an unknown scheme type, which case it's
* no lower cased reguardless.
*
* 2) Unreserved % encoded characters are decoded for known
* scheme types.
*
* 3) Forbidden characters are % encoded as long as
* Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS flag is not set and
* it isn't an unknown scheme type.
*
* 4) If it's a file scheme and the host is "localhost" it's removed.
*/
static BOOL canonicalize_reg_name(const parse_data *data, Uri *uri,
DWORD flags, BOOL computeOnly) {
static const WCHAR localhostW[] =
{'l','o','c','a','l','h','o','s','t',0};
const WCHAR *ptr;
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
uri->host_start = uri->canon_len;
if(data->scheme_type == URL_SCHEME_FILE &&
data->host_len == lstrlenW(localhostW)) {
if(!StrCmpNIW(data->host, localhostW, data->host_len)) {
uri->host_start = -1;
uri->host_len = 0;
uri->host_type = Uri_HOST_UNKNOWN;
return TRUE;
}
}
for(ptr = data->host; ptr < data->host+data->host_len; ++ptr) {
if(*ptr == '%' && known_scheme) {
WCHAR val = decode_pct_val(ptr);
if(is_unreserved(val)) {
/* If NO_CANONICALZE is not set, then windows lower cases the
* decoded value.
*/
if(!(flags & Uri_CREATE_NO_CANONICALIZE) && isupperW(val)) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = tolowerW(val);
} else {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = val;
}
++uri->canon_len;
/* Skip past the % encoded character. */
ptr += 2;
continue;
} else {
/* Just copy the % over. */
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
} else if(*ptr == '\\') {
/* Only unknown scheme types could have made it here with a '\\' in the host name. */
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
} else if(!(flags & Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS) &&
!is_unreserved(*ptr) && !is_reserved(*ptr) && known_scheme) {
if(!computeOnly) {
pct_encode_val(*ptr, uri->canon_uri+uri->canon_len);
/* The percent encoded value gets lower cased also. */
if(!(flags & Uri_CREATE_NO_CANONICALIZE)) {
uri->canon_uri[uri->canon_len+1] = tolowerW(uri->canon_uri[uri->canon_len+1]);
uri->canon_uri[uri->canon_len+2] = tolowerW(uri->canon_uri[uri->canon_len+2]);
}
}
uri->canon_len += 3;
} else {
if(!computeOnly) {
if(!(flags & Uri_CREATE_NO_CANONICALIZE) && known_scheme)
uri->canon_uri[uri->canon_len] = tolowerW(*ptr);
else
uri->canon_uri[uri->canon_len] = *ptr;
}
++uri->canon_len;
}
}
uri->host_len = uri->canon_len - uri->host_start;
if(!computeOnly)
TRACE("(%p %p %x %d): Canonicalize reg_name=%s len=%d\n", data, uri, flags,
computeOnly, debugstr_wn(uri->canon_uri+uri->host_start, uri->host_len),
uri->host_len);
if(!computeOnly)
find_domain_name(uri->canon_uri+uri->host_start, uri->host_len,
&(uri->domain_offset));
return TRUE;
}
/* Attempts to canonicalize an implicit IPv4 address. */
static BOOL canonicalize_implicit_ipv4address(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
uri->host_start = uri->canon_len;
TRACE("%u\n", data->implicit_ipv4);
/* For unknown scheme types Window's doesn't convert
* the value into an IP address, but, it still considers
* it an IPv4 address.
*/
if(data->scheme_type == URL_SCHEME_UNKNOWN) {
if(!computeOnly)
memcpy(uri->canon_uri+uri->canon_len, data->host, data->host_len*sizeof(WCHAR));
uri->canon_len += data->host_len;
} else {
if(!computeOnly)
uri->canon_len += ui2ipv4(uri->canon_uri+uri->canon_len, data->implicit_ipv4);
else
uri->canon_len += ui2ipv4(NULL, data->implicit_ipv4);
}
uri->host_len = uri->canon_len - uri->host_start;
uri->host_type = Uri_HOST_IPV4;
if(!computeOnly)
TRACE("%p %p %x %d): Canonicalized implicit IP address=%s len=%d\n",
data, uri, flags, computeOnly,
debugstr_wn(uri->canon_uri+uri->host_start, uri->host_len),
uri->host_len);
return TRUE;
}
/* Attempts to canonicalize an IPv4 address.
*
* If the parse_data represents a URI that has an implicit IPv4 address
* (ex. http://256/, this function will convert 256 into 0.0.1.0). If
* the implicit IP address exceeds the value of UINT_MAX (maximum value
* for an IPv4 address) it's canonicalized as if were a reg-name.
*
* If the parse_data contains a partial or full IPv4 address it normalizes it.
* A partial IPv4 address is something like "192.0" and would be normalized to
* "192.0.0.0". With a full (or partial) IPv4 address like "192.002.01.003" would
* be normalized to "192.2.1.3".
*
* NOTES:
* Window's ONLY normalizes IPv4 address for known scheme types (one that isn't
* URL_SCHEME_UNKNOWN). For unknown scheme types, it simply copies the data from
* the original URI into the canonicalized URI, but, it still recognizes URI's
* host type as HOST_IPV4.
*/
static BOOL canonicalize_ipv4address(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
if(data->has_implicit_ip)
return canonicalize_implicit_ipv4address(data, uri, flags, computeOnly);
else {
uri->host_start = uri->canon_len;
/* Windows only normalizes for known scheme types. */
if(data->scheme_type != URL_SCHEME_UNKNOWN) {
/* parse_data contains a partial or full IPv4 address, so normalize it. */
DWORD i, octetDigitCount = 0, octetCount = 0;
BOOL octetHasDigit = FALSE;
for(i = 0; i < data->host_len; ++i) {
if(data->host[i] == '0' && !octetHasDigit) {
/* Can ignore leading zeros if:
* 1) It isn't the last digit of the octet.
* 2) i+1 != data->host_len
* 3) i+1 != '.'
*/
if(octetDigitCount == 2 ||
i+1 == data->host_len ||
data->host[i+1] == '.') {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = data->host[i];
++uri->canon_len;
TRACE("Adding zero\n");
}
} else if(data->host[i] == '.') {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = data->host[i];
++uri->canon_len;
octetDigitCount = 0;
octetHasDigit = FALSE;
++octetCount;
} else {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = data->host[i];
++uri->canon_len;
++octetDigitCount;
octetHasDigit = TRUE;
}
}
/* Make sure the canonicalized IP address has 4 dec-octets.
* If doesn't add "0" ones until there is 4;
*/
for( ; octetCount < 3; ++octetCount) {
if(!computeOnly) {
uri->canon_uri[uri->canon_len] = '.';
uri->canon_uri[uri->canon_len+1] = '0';
}
uri->canon_len += 2;
}
} else {
/* Windows doesn't normalize addresses in unknown schemes. */
if(!computeOnly)
memcpy(uri->canon_uri+uri->canon_len, data->host, data->host_len*sizeof(WCHAR));
uri->canon_len += data->host_len;
}
uri->host_len = uri->canon_len - uri->host_start;
if(!computeOnly)
TRACE("(%p %p %x %d): Canonicalized IPv4 address, ip=%s len=%d\n",
data, uri, flags, computeOnly,
debugstr_wn(uri->canon_uri+uri->host_start, uri->host_len),
uri->host_len);
}
return TRUE;
}
/* Attempts to canonicalize the IPv6 address of the URI.
*
* Multiple things happen during the canonicalization of an IPv6 address:
* 1) Any leading zero's in an h16 component are removed.
* Ex: [0001:0022::] -> [1:22::]
*
* 2) The longest sequence of zero h16 components are compressed
* into a "::" (elision). If there's a tie, the first is choosen.
*
* Ex: [0:0:0:0:1:6:7:8] -> [::1:6:7:8]
* [0:0:0:0:1:2::] -> [::1:2:0:0]
* [0:0:1:2:0:0:7:8] -> [::1:2:0:0:7:8]
*
* 3) If an IPv4 address is attached to the IPv6 address, it's
* also normalized.
* Ex: [::001.002.022.000] -> [::1.2.22.0]
*
* 4) If an elision is present, but, only represents 1 h16 component
* it's expanded.
*
* Ex: [1::2:3:4:5:6:7] -> [1:0:2:3:4:5:6:7]
*
* 5) If the IPv6 address contains an IPv4 address and there exists
* at least 1 non-zero h16 component the IPv4 address is converted
* into two h16 components, otherwise it's normalized and kept as is.
*
* Ex: [::192.200.003.4] -> [::192.200.3.4]
* [ffff::192.200.003.4] -> [ffff::c0c8:3041]
*
* NOTE:
* For unknown scheme types Windows simply copies the address over without any
* changes.
*
* IPv4 address can be included in an elision if all its components are 0's.
*/
static BOOL canonicalize_ipv6address(const parse_data *data, Uri *uri,
DWORD flags, BOOL computeOnly) {
uri->host_start = uri->canon_len;
if(data->scheme_type == URL_SCHEME_UNKNOWN) {
if(!computeOnly)
memcpy(uri->canon_uri+uri->canon_len, data->host, data->host_len*sizeof(WCHAR));
uri->canon_len += data->host_len;
} else {
USHORT values[8];
INT elision_start;
DWORD i, elision_len;
if(!ipv6_to_number(&(data->ipv6_address), values)) {
TRACE("(%p %p %x %d): Failed to compute numerical value for IPv6 address.\n",
data, uri, flags, computeOnly);
return FALSE;
}
if(!computeOnly)
uri->canon_uri[uri->canon_len] = '[';
++uri->canon_len;
/* Find where the elision should occur (if any). */
compute_elision_location(&(data->ipv6_address), values, &elision_start, &elision_len);
TRACE("%p %p %x %d): Elision starts at %d, len=%u\n", data, uri, flags,
computeOnly, elision_start, elision_len);
for(i = 0; i < 8; ++i) {
BOOL in_elision = (elision_start > -1 && i >= elision_start &&
i < elision_start+elision_len);
BOOL do_ipv4 = (i == 6 && data->ipv6_address.ipv4 && !in_elision &&
data->ipv6_address.h16_count == 0);
if(i == elision_start) {
if(!computeOnly) {
uri->canon_uri[uri->canon_len] = ':';
uri->canon_uri[uri->canon_len+1] = ':';
}
uri->canon_len += 2;
}
/* We can ignore the current component if we're in the elision. */
if(in_elision)
continue;
/* We only add a ':' if we're not at i == 0, or when we're at
* the very end of elision range since the ':' colon was handled
* earlier. Otherwise we would end up with ":::" after elision.
*/
if(i != 0 && !(elision_start > -1 && i == elision_start+elision_len)) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = ':';
++uri->canon_len;
}
if(do_ipv4) {
UINT val;
DWORD len;
/* Combine the two parts of the IPv4 address values. */
val = values[i];
val <<= 16;
val += values[i+1];
if(!computeOnly)
len = ui2ipv4(uri->canon_uri+uri->canon_len, val);
else
len = ui2ipv4(NULL, val);
uri->canon_len += len;
++i;
} else {
/* Write a regular h16 component to the URI. */
/* Short circuit for the trivial case. */
if(values[i] == 0) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = '0';
++uri->canon_len;
} else {
static const WCHAR formatW[] = {'%','x',0};
if(!computeOnly)
uri->canon_len += sprintfW(uri->canon_uri+uri->canon_len,
formatW, values[i]);
else {
WCHAR tmp[5];
uri->canon_len += sprintfW(tmp, formatW, values[i]);
}
}
}
}
/* Add the closing ']'. */
if(!computeOnly)
uri->canon_uri[uri->canon_len] = ']';
++uri->canon_len;
}
uri->host_len = uri->canon_len - uri->host_start;
if(!computeOnly)
TRACE("(%p %p %x %d): Canonicalized IPv6 address %s, len=%d\n", data, uri, flags,
computeOnly, debugstr_wn(uri->canon_uri+uri->host_start, uri->host_len),
uri->host_len);
return TRUE;
}
/* Attempts to canonicalize the host of the URI (if any). */
static BOOL canonicalize_host(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
uri->host_start = -1;
uri->host_len = 0;
uri->domain_offset = -1;
if(data->host) {
switch(data->host_type) {
case Uri_HOST_DNS:
uri->host_type = Uri_HOST_DNS;
if(!canonicalize_reg_name(data, uri, flags, computeOnly))
return FALSE;
break;
case Uri_HOST_IPV4:
uri->host_type = Uri_HOST_IPV4;
if(!canonicalize_ipv4address(data, uri, flags, computeOnly))
return FALSE;
break;
case Uri_HOST_IPV6:
if(!canonicalize_ipv6address(data, uri, flags, computeOnly))
return FALSE;
uri->host_type = Uri_HOST_IPV6;
break;
case Uri_HOST_UNKNOWN:
if(data->host_len > 0 || data->scheme_type != URL_SCHEME_FILE) {
uri->host_start = uri->canon_len;
/* Nothing happens to unknown host types. */
if(!computeOnly)
memcpy(uri->canon_uri+uri->canon_len, data->host, data->host_len*sizeof(WCHAR));
uri->canon_len += data->host_len;
uri->host_len = data->host_len;
}
uri->host_type = Uri_HOST_UNKNOWN;
break;
default:
FIXME("(%p %p %x %d): Canonicalization for host type %d not supported.\n", data,
uri, flags, computeOnly, data->host_type);
return FALSE;
}
}
return TRUE;
}
static BOOL canonicalize_port(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
BOOL has_default_port = FALSE;
USHORT default_port = 0;
DWORD i;
uri->has_port = FALSE;
/* Check if the scheme has a default port. */
for(i = 0; i < sizeof(default_ports)/sizeof(default_ports[0]); ++i) {
if(default_ports[i].scheme == data->scheme_type) {
has_default_port = TRUE;
default_port = default_ports[i].port;
break;
}
}
if(data->port || has_default_port)
uri->has_port = TRUE;
/* Possible cases:
* 1) Has a port which is the default port.
* 2) Has a port (not the default).
* 3) Doesn't have a port, but, scheme has a default port.
* 4) No port.
*/
if(has_default_port && data->port && data->port_value == default_port) {
/* If it's the default port and this flag isn't set, don't do anything. */
if(flags & Uri_CREATE_NO_CANONICALIZE) {
/* Copy the original port over. */
if(!computeOnly) {
uri->canon_uri[uri->canon_len] = ':';
memcpy(uri->canon_uri+uri->canon_len+1, data->port, data->port_len*sizeof(WCHAR));
}
uri->canon_len += data->port_len+1;
}
uri->port = default_port;
} else if(data->port) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = ':';
++uri->canon_len;
if(flags & Uri_CREATE_NO_CANONICALIZE) {
/* Copy the original over without changes. */
if(!computeOnly)
memcpy(uri->canon_uri+uri->canon_len, data->port, data->port_len*sizeof(WCHAR));
uri->canon_len += data->port_len;
} else {
const WCHAR formatW[] = {'%','u',0};
INT len = 0;
if(!computeOnly)
len = sprintfW(uri->canon_uri+uri->canon_len, formatW, data->port_value);
else {
WCHAR tmp[6];
len = sprintfW(tmp, formatW, data->port_value);
}
uri->canon_len += len;
}
uri->port = data->port_value;
} else if(has_default_port)
uri->port = default_port;
return TRUE;
}
/* Canonicalizes the authority of the URI represented by the parse_data. */
static BOOL canonicalize_authority(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
uri->authority_start = uri->canon_len;
uri->authority_len = 0;
if(!canonicalize_userinfo(data, uri, flags, computeOnly))
return FALSE;
if(!canonicalize_host(data, uri, flags, computeOnly))
return FALSE;
if(!canonicalize_port(data, uri, flags, computeOnly))
return FALSE;
if(uri->host_start != -1)
uri->authority_len = uri->canon_len - uri->authority_start;
else
uri->authority_start = -1;
return TRUE;
}
/* Attempts to canonicalize the path of a hierarchical URI.
*
* Things that happen:
* 1). Forbidden characters are percent encoded, unless the NO_ENCODE_FORBIDDEN
* flag is set or it's a file URI. Forbidden characters are always encoded
* for file schemes reguardless and forbidden characters are never encoded
* for unknown scheme types.
*
* 2). For known scheme types '\\' are changed to '/'.
*
* 3). Percent encoded, unreserved characters are decoded to their actual values.
* Unless the scheme type is unknown. For file schemes any percent encoded
* character in the unreserved or reserved set is decoded.
*
* 4). For File schemes if the path is starts with a drive letter and doesn't
* start with a '/' then one is appended.
* Ex: file://c:/test.mp3 -> file:///c:/test.mp3
*
* 5). Dot segments are removed from the path for all scheme types
* unless NO_CANONICALIZE flag is set. Dot segments aren't removed
* for wildcard scheme types.
*
* NOTES:
* file://c:/test%20test -> file:///c:/test%2520test
* file://c:/test%3Etest -> file:///c:/test%253Etest
* file:///c:/test%20test -> file:///c:/test%20test
* file:///c:/test%test -> file:///c:/test%25test
*/
static BOOL canonicalize_path_hierarchical(const parse_data *data, Uri *uri,
DWORD flags, BOOL computeOnly) {
const WCHAR *ptr;
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
const BOOL is_file = data->scheme_type == URL_SCHEME_FILE;
BOOL escape_pct = FALSE;
if(!data->path) {
uri->path_start = -1;
uri->path_len = 0;
return TRUE;
}
uri->path_start = uri->canon_len;
/* Check if a '/' needs to be appended for the file scheme. */
if(is_file) {
if(data->path_len > 1 && is_alpha(*(data->path)) &&
*(data->path+1) == ':') {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = '/';
uri->canon_len++;
escape_pct = TRUE;
}
}
for(ptr = data->path; ptr < data->path+data->path_len; ++ptr) {
if(*ptr == '%') {
const WCHAR *tmp = ptr;
WCHAR val;
/* Check if the % represents a valid encoded char, or if it needs encoded. */
BOOL force_encode = !check_pct_encoded(&tmp) && is_file;
val = decode_pct_val(ptr);
if(force_encode || escape_pct) {
/* Escape the percent sign in the file URI. */
if(!computeOnly)
pct_encode_val(*ptr, uri->canon_uri+uri->canon_len);
uri->canon_len += 3;
} else if((is_unreserved(val) && known_scheme) ||
(is_file && (is_unreserved(val) || is_reserved(val)))) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = val;
++uri->canon_len;
ptr += 2;
continue;
} else {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
} else if(*ptr == '\\' && known_scheme) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = '/';
++uri->canon_len;
} else if(known_scheme && !is_unreserved(*ptr) && !is_reserved(*ptr) &&
(!(flags & Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS) || is_file)) {
/* Escape the forbidden character. */
if(!computeOnly)
pct_encode_val(*ptr, uri->canon_uri+uri->canon_len);
uri->canon_len += 3;
} else {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
}
uri->path_len = uri->canon_len - uri->path_start;
/* Removing the dot segments only happens when it's not in
* computeOnly mode and it's not a wildcard scheme.
*/
if(!computeOnly && data->scheme_type != URL_SCHEME_WILDCARD) {
if(!(flags & Uri_CREATE_NO_CANONICALIZE)) {
/* Remove the dot segments (if any) and reset everything to the new
* correct length.
*/
DWORD new_len = remove_dot_segments(uri->canon_uri+uri->path_start, uri->path_len);
uri->canon_len -= uri->path_len-new_len;
uri->path_len = new_len;
}
}
if(!computeOnly)
TRACE("Canonicalized path %s len=%d\n",
debugstr_wn(uri->canon_uri+uri->path_start, uri->path_len),
uri->path_len);
return TRUE;
}
/* Attempts to canonicalize the path for an opaque URI.
*
* For known scheme types:
* 1) forbidden characters are percent encoded if
* NO_ENCODE_FORBIDDEN_CHARACTERS isn't set.
*
* 2) Percent encoded, unreserved characters are decoded
* to their actual values, for known scheme types.
*
* 3) '\\' are changed to '/' for known scheme types
* except for mailto schemes.
*/
static BOOL canonicalize_path_opaque(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
const WCHAR *ptr;
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
if(!data->path) {
uri->path_start = -1;
uri->path_len = 0;
return TRUE;
}
uri->path_start = uri->canon_len;
/* Windows doesn't allow a "//" to appear after the scheme
* of a URI, if it's an opaque URI.
*/
if(data->scheme && *(data->path) == '/' && *(data->path+1) == '/') {
/* So it inserts a "/." before the "//" if it exists. */
if(!computeOnly) {
uri->canon_uri[uri->canon_len] = '/';
uri->canon_uri[uri->canon_len+1] = '.';
}
uri->canon_len += 2;
}
for(ptr = data->path; ptr < data->path+data->path_len; ++ptr) {
if(*ptr == '%' && known_scheme) {
WCHAR val = decode_pct_val(ptr);
if(is_unreserved(val)) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = val;
++uri->canon_len;
ptr += 2;
continue;
} else {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
} else if(known_scheme && !is_unreserved(*ptr) && !is_reserved(*ptr) &&
!(flags & Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS)) {
if(!computeOnly)
pct_encode_val(*ptr, uri->canon_uri+uri->canon_len);
uri->canon_len += 3;
} else {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
}
uri->path_len = uri->canon_len - uri->path_start;
TRACE("(%p %p %x %d): Canonicalized opaque URI path %s len=%d\n", data, uri, flags, computeOnly,
debugstr_wn(uri->canon_uri+uri->path_start, uri->path_len), uri->path_len);
return TRUE;
}
/* Determines how the URI represented by the parse_data should be canonicalized.
*
* Essentially, if the parse_data represents an hierarchical URI then it calls
* canonicalize_authority and the canonicalization functions for the path. If the
* URI is opaque it canonicalizes the path of the URI.
*/
static BOOL canonicalize_hierpart(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
if(!data->is_opaque) {
/* "//" is only added for non-wildcard scheme types. */
if(data->scheme_type != URL_SCHEME_WILDCARD) {
if(!computeOnly) {
INT pos = uri->canon_len;
uri->canon_uri[pos] = '/';
uri->canon_uri[pos+1] = '/';
}
uri->canon_len += 2;
}
if(!canonicalize_authority(data, uri, flags, computeOnly))
return FALSE;
/* TODO: Canonicalize the path of the URI. */
if(!canonicalize_path_hierarchical(data, uri, flags, computeOnly))
return FALSE;
} else {
/* Opaque URI's don't have an authority. */
uri->userinfo_start = uri->userinfo_split = -1;
uri->userinfo_len = 0;
uri->host_start = -1;
uri->host_len = 0;
uri->host_type = Uri_HOST_UNKNOWN;
uri->has_port = FALSE;
uri->authority_start = -1;
uri->authority_len = 0;
uri->domain_offset = -1;
if(!canonicalize_path_opaque(data, uri, flags, computeOnly))
return FALSE;
}
if(uri->path_start > -1 && !computeOnly)
/* Finding file extensions happens for both types of URIs. */
uri->extension_offset = find_file_extension(uri->canon_uri+uri->path_start, uri->path_len);
else
uri->extension_offset = -1;
return TRUE;
}
/* Attempts to canonicalize the query string of the URI.
*
* Things that happen:
* 1) For known scheme types forbidden characters
* are percent encoded, unless the NO_DECODE_EXTRA_INFO flag is set
* or NO_ENCODE_FORBIDDEN_CHARACTERS is set.
*
* 2) For known scheme types, percent encoded, unreserved characters
* are decoded as long as the NO_DECODE_EXTRA_INFO flag isn't set.
*/
static BOOL canonicalize_query(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
const WCHAR *ptr, *end;
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
if(!data->query) {
uri->query_start = -1;
uri->query_len = 0;
return TRUE;
}
uri->query_start = uri->canon_len;
end = data->query+data->query_len;
for(ptr = data->query; ptr < end; ++ptr) {
if(*ptr == '%') {
if(known_scheme && !(flags & Uri_CREATE_NO_DECODE_EXTRA_INFO)) {
WCHAR val = decode_pct_val(ptr);
if(is_unreserved(val)) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = val;
++uri->canon_len;
ptr += 2;
continue;
}
}
} else if(known_scheme && !is_unreserved(*ptr) && !is_reserved(*ptr)) {
if(!(flags & Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS) &&
!(flags & Uri_CREATE_NO_DECODE_EXTRA_INFO)) {
if(!computeOnly)
pct_encode_val(*ptr, uri->canon_uri+uri->canon_len);
uri->canon_len += 3;
continue;
}
}
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
uri->query_len = uri->canon_len - uri->query_start;
if(!computeOnly)
TRACE("(%p %p %x %d): Canonicalized query string %s len=%d\n", data, uri, flags,
computeOnly, debugstr_wn(uri->canon_uri+uri->query_start, uri->query_len),
uri->query_len);
return TRUE;
}
static BOOL canonicalize_fragment(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
const WCHAR *ptr, *end;
const BOOL known_scheme = data->scheme_type != URL_SCHEME_UNKNOWN;
if(!data->fragment) {
uri->fragment_start = -1;
uri->fragment_len = 0;
return TRUE;
}
uri->fragment_start = uri->canon_len;
end = data->fragment + data->fragment_len;
for(ptr = data->fragment; ptr < end; ++ptr) {
if(*ptr == '%') {
if(known_scheme && !(flags & Uri_CREATE_NO_DECODE_EXTRA_INFO)) {
WCHAR val = decode_pct_val(ptr);
if(is_unreserved(val)) {
if(!computeOnly)
uri->canon_uri[uri->canon_len] = val;
++uri->canon_len;
ptr += 2;
continue;
}
}
} else if(known_scheme && !is_unreserved(*ptr) && !is_reserved(*ptr)) {
if(!(flags & Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS) &&
!(flags & Uri_CREATE_NO_DECODE_EXTRA_INFO)) {
if(!computeOnly)
pct_encode_val(*ptr, uri->canon_uri+uri->canon_len);
uri->canon_len += 3;
continue;
}
}
if(!computeOnly)
uri->canon_uri[uri->canon_len] = *ptr;
++uri->canon_len;
}
uri->fragment_len = uri->canon_len - uri->fragment_start;
if(!computeOnly)
TRACE("(%p %p %x %d): Canonicalized fragment %s len=%d\n", data, uri, flags,
computeOnly, debugstr_wn(uri->canon_uri+uri->fragment_start, uri->fragment_len),
uri->fragment_len);
return TRUE;
}
/* Canonicalizes the scheme information specified in the parse_data using the specified flags. */
static BOOL canonicalize_scheme(const parse_data *data, Uri *uri, DWORD flags, BOOL computeOnly) {
uri->scheme_start = -1;
uri->scheme_len = 0;
if(!data->scheme) {
/* The only type of URI that doesn't have to have a scheme is a relative
* URI.
*/
if(!data->is_relative) {
FIXME("(%p %p %x): Unable to determine the scheme type of %s.\n", data,
uri, flags, debugstr_w(data->uri));
return FALSE;
}
} else {
if(!computeOnly) {
DWORD i;
INT pos = uri->canon_len;
for(i = 0; i < data->scheme_len; ++i) {
/* Scheme name must be lower case after canonicalization. */
uri->canon_uri[i + pos] = tolowerW(data->scheme[i]);
}
uri->canon_uri[i + pos] = ':';
uri->scheme_start = pos;
TRACE("(%p %p %x): Canonicalized scheme=%s, len=%d.\n", data, uri, flags,
debugstr_wn(uri->canon_uri, uri->scheme_len), data->scheme_len);
}
/* This happens in both computation modes. */
uri->canon_len += data->scheme_len + 1;
uri->scheme_len = data->scheme_len;
}
return TRUE;
}
/* Compute's what the length of the URI specified by the parse_data will be
* after canonicalization occurs using the specified flags.
*
* This function will return a non-zero value indicating the length of the canonicalized
* URI, or -1 on error.
*/
static int compute_canonicalized_length(const parse_data *data, DWORD flags) {
Uri uri;
memset(&uri, 0, sizeof(Uri));
TRACE("(%p %x): Beginning to compute canonicalized length for URI %s\n", data, flags,
debugstr_w(data->uri));
if(!canonicalize_scheme(data, &uri, flags, TRUE)) {
ERR("(%p %x): Failed to compute URI scheme length.\n", data, flags);
return -1;
}
if(!canonicalize_hierpart(data, &uri, flags, TRUE)) {
ERR("(%p %x): Failed to compute URI hierpart length.\n", data, flags);
return -1;
}
if(!canonicalize_query(data, &uri, flags, TRUE)) {
ERR("(%p %x): Failed to compute query string length.\n", data, flags);
return -1;
}
if(!canonicalize_fragment(data, &uri, flags, TRUE)) {
ERR("(%p %x): Failed to compute fragment length.\n", data, flags);
return -1;
}
TRACE("(%p %x): Finished computing canonicalized URI length. length=%d\n", data, flags, uri.canon_len);
return uri.canon_len;
}
/* Canonicalizes the URI data specified in the parse_data, using the given flags. If the
* canonicalization succeededs it will store all the canonicalization information
* in the pointer to the Uri.
*
* To canonicalize a URI this function first computes what the length of the URI
* specified by the parse_data will be. Once this is done it will then perfom the actual
* canonicalization of the URI.
*/
static HRESULT canonicalize_uri(const parse_data *data, Uri *uri, DWORD flags) {
INT len;
uri->canon_uri = NULL;
len = uri->canon_size = uri->canon_len = 0;
TRACE("(%p %p %x): beginning to canonicalize URI %s.\n", data, uri, flags, debugstr_w(data->uri));
/* First try to compute the length of the URI. */
len = compute_canonicalized_length(data, flags);
if(len == -1) {
ERR("(%p %p %x): Could not compute the canonicalized length of %s.\n", data, uri, flags,
debugstr_w(data->uri));
return E_INVALIDARG;
}
uri->canon_uri = heap_alloc((len+1)*sizeof(WCHAR));
if(!uri->canon_uri)
return E_OUTOFMEMORY;
uri->canon_size = len;
if(!canonicalize_scheme(data, uri, flags, FALSE)) {
ERR("(%p %p %x): Unable to canonicalize the scheme of the URI.\n", data, uri, flags);
heap_free(uri->canon_uri);
return E_INVALIDARG;
}
uri->scheme_type = data->scheme_type;
if(!canonicalize_hierpart(data, uri, flags, FALSE)) {
ERR("(%p %p %x): Unable to canonicalize the heirpart of the URI\n", data, uri, flags);
heap_free(uri->canon_uri);
return E_INVALIDARG;
}
if(!canonicalize_query(data, uri, flags, FALSE)) {
ERR("(%p %p %x): Unable to canonicalize query string of the URI.\n",
data, uri, flags);
return E_INVALIDARG;
}
if(!canonicalize_fragment(data, uri, flags, FALSE)) {
ERR("(%p %p %x): Unable to canonicalize fragment of the URI.\n",
data, uri, flags);
return E_INVALIDARG;
}
/* There's a possibility we didn't use all the space we allocated
* earlier.
*/
if(uri->canon_len < uri->canon_size) {
/* This happens if the URI is hierarchical and dot
* segments were removed from it's path.
*/
WCHAR *tmp = heap_realloc(uri->canon_uri, (uri->canon_len+1)*sizeof(WCHAR));
if(!tmp)
return E_OUTOFMEMORY;
uri->canon_uri = tmp;
uri->canon_size = uri->canon_len;
}
uri->canon_uri[uri->canon_len] = '\0';
TRACE("(%p %p %x): finished canonicalizing the URI. uri=%s\n", data, uri, flags, debugstr_w(uri->canon_uri));
return S_OK;
}
#define URI(x) ((IUri*) &(x)->lpIUriVtbl)
#define URIBUILDER(x) ((IUriBuilder*) &(x)->lpIUriBuilderVtbl)
#define URI_THIS(iface) DEFINE_THIS(Uri, IUri, iface)
static HRESULT WINAPI Uri_QueryInterface(IUri *iface, REFIID riid, void **ppv)
{
Uri *This = URI_THIS(iface);
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = URI(This);
}else if(IsEqualGUID(&IID_IUri, riid)) {
TRACE("(%p)->(IID_IUri %p)\n", This, ppv);
*ppv = URI(This);
}else if(IsEqualGUID(&IID_IUriObj, riid)) {
TRACE("(%p)->(IID_IUriObj %p)\n", This, ppv);
*ppv = This;
return S_OK;
}else {
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI Uri_AddRef(IUri *iface)
{
Uri *This = URI_THIS(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI Uri_Release(IUri *iface)
{
Uri *This = URI_THIS(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
SysFreeString(This->raw_uri);
heap_free(This->canon_uri);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI Uri_GetPropertyBSTR(IUri *iface, Uri_PROPERTY uriProp, BSTR *pbstrProperty, DWORD dwFlags)
{
Uri *This = URI_THIS(iface);
HRESULT hres;
TRACE("(%p)->(%d %p %x)\n", This, uriProp, pbstrProperty, dwFlags);
if(!pbstrProperty)
return E_POINTER;
if(uriProp > Uri_PROPERTY_STRING_LAST) {
/* Windows allocates an empty BSTR for invalid Uri_PROPERTY's. */
*pbstrProperty = SysAllocStringLen(NULL, 0);
if(!(*pbstrProperty))
return E_OUTOFMEMORY;
/* It only returns S_FALSE for the ZONE property... */
if(uriProp == Uri_PROPERTY_ZONE)
return S_FALSE;
else
return S_OK;
}
/* Don't have support for flags yet. */
if(dwFlags) {
FIXME("(%p)->(%d %p %x)\n", This, uriProp, pbstrProperty, dwFlags);
return E_NOTIMPL;
}
switch(uriProp) {
case Uri_PROPERTY_ABSOLUTE_URI:
*pbstrProperty = SysAllocString(This->canon_uri);
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
else
hres = S_OK;
break;
case Uri_PROPERTY_AUTHORITY:
if(This->authority_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->authority_start, This->authority_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_DISPLAY_URI:
/* The Display URI contains everything except for the userinfo for known
* scheme types.
*/
if(This->scheme_type != URL_SCHEME_UNKNOWN && This->userinfo_start > -1) {
*pbstrProperty = SysAllocStringLen(NULL, This->canon_len-This->userinfo_len);
if(*pbstrProperty) {
/* Copy everything before the userinfo over. */
memcpy(*pbstrProperty, This->canon_uri, This->userinfo_start*sizeof(WCHAR));
/* Copy everything after the userinfo over. */
memcpy(*pbstrProperty+This->userinfo_start,
This->canon_uri+This->userinfo_start+This->userinfo_len+1,
(This->canon_len-(This->userinfo_start+This->userinfo_len+1))*sizeof(WCHAR));
}
} else
*pbstrProperty = SysAllocString(This->canon_uri);
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
else
hres = S_OK;
break;
case Uri_PROPERTY_DOMAIN:
if(This->domain_offset > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->host_start+This->domain_offset,
This->host_len-This->domain_offset);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_EXTENSION:
if(This->extension_offset > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->path_start+This->extension_offset,
This->path_len-This->extension_offset);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_FRAGMENT:
if(This->fragment_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->fragment_start, This->fragment_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_HOST:
if(This->host_start > -1) {
/* The '[' and ']' aren't included for IPv6 addresses. */
if(This->host_type == Uri_HOST_IPV6)
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->host_start+1, This->host_len-2);
else
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->host_start, This->host_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_PASSWORD:
if(This->userinfo_split > -1) {
*pbstrProperty = SysAllocStringLen(
This->canon_uri+This->userinfo_start+This->userinfo_split+1,
This->userinfo_len-This->userinfo_split-1);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
return E_OUTOFMEMORY;
break;
case Uri_PROPERTY_PATH:
if(This->path_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->path_start, This->path_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_PATH_AND_QUERY:
if(This->path_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->path_start, This->path_len+This->query_len);
hres = S_OK;
} else if(This->query_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->query_start, This->query_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_QUERY:
if(This->query_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->query_start, This->query_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_RAW_URI:
*pbstrProperty = SysAllocString(This->raw_uri);
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
else
hres = S_OK;
break;
case Uri_PROPERTY_SCHEME_NAME:
if(This->scheme_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri + This->scheme_start, This->scheme_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_USER_INFO:
if(This->userinfo_start > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri+This->userinfo_start, This->userinfo_len);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
hres = E_OUTOFMEMORY;
break;
case Uri_PROPERTY_USER_NAME:
if(This->userinfo_start > -1) {
/* If userinfo_split is set, that means a password exists
* so the username is only from userinfo_start to userinfo_split.
*/
if(This->userinfo_split > -1) {
*pbstrProperty = SysAllocStringLen(This->canon_uri + This->userinfo_start, This->userinfo_split);
hres = S_OK;
} else {
*pbstrProperty = SysAllocStringLen(This->canon_uri + This->userinfo_start, This->userinfo_len);
hres = S_OK;
}
} else {
*pbstrProperty = SysAllocStringLen(NULL, 0);
hres = S_FALSE;
}
if(!(*pbstrProperty))
return E_OUTOFMEMORY;
break;
default:
FIXME("(%p)->(%d %p %x)\n", This, uriProp, pbstrProperty, dwFlags);
hres = E_NOTIMPL;
}
return hres;
}
static HRESULT WINAPI Uri_GetPropertyLength(IUri *iface, Uri_PROPERTY uriProp, DWORD *pcchProperty, DWORD dwFlags)
{
Uri *This = URI_THIS(iface);
HRESULT hres;
TRACE("(%p)->(%d %p %x)\n", This, uriProp, pcchProperty, dwFlags);
if(!pcchProperty)
return E_INVALIDARG;
/* Can only return a length for a property if it's a string. */
if(uriProp > Uri_PROPERTY_STRING_LAST)
return E_INVALIDARG;
/* Don't have support for flags yet. */
if(dwFlags) {
FIXME("(%p)->(%d %p %x)\n", This, uriProp, pcchProperty, dwFlags);
return E_NOTIMPL;
}
switch(uriProp) {
case Uri_PROPERTY_ABSOLUTE_URI:
*pcchProperty = This->canon_len;
hres = S_OK;
break;
case Uri_PROPERTY_AUTHORITY:
*pcchProperty = This->authority_len;
hres = (This->authority_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_DISPLAY_URI:
if(This->scheme_type != URL_SCHEME_UNKNOWN && This->userinfo_start > -1)
*pcchProperty = This->canon_len-This->userinfo_len-1;
else
*pcchProperty = This->canon_len;
hres = S_OK;
break;
case Uri_PROPERTY_DOMAIN:
if(This->domain_offset > -1)
*pcchProperty = This->host_len - This->domain_offset;
else
*pcchProperty = 0;
hres = (This->domain_offset > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_EXTENSION:
if(This->extension_offset > -1) {
*pcchProperty = This->path_len - This->extension_offset;
hres = S_OK;
} else {
*pcchProperty = 0;
hres = S_FALSE;
}
break;
case Uri_PROPERTY_FRAGMENT:
*pcchProperty = This->fragment_len;
hres = (This->fragment_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_HOST:
*pcchProperty = This->host_len;
/* '[' and ']' aren't included in the length. */
if(This->host_type == Uri_HOST_IPV6)
*pcchProperty -= 2;
hres = (This->host_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_PASSWORD:
*pcchProperty = (This->userinfo_split > -1) ? This->userinfo_len-This->userinfo_split-1 : 0;
hres = (This->userinfo_split > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_PATH:
*pcchProperty = This->path_len;
hres = (This->path_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_PATH_AND_QUERY:
*pcchProperty = This->path_len+This->query_len;
hres = (This->path_start > -1 || This->query_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_QUERY:
*pcchProperty = This->query_len;
hres = (This->query_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_RAW_URI:
*pcchProperty = SysStringLen(This->raw_uri);
hres = S_OK;
break;
case Uri_PROPERTY_SCHEME_NAME:
*pcchProperty = This->scheme_len;
hres = (This->scheme_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_USER_INFO:
*pcchProperty = This->userinfo_len;
hres = (This->userinfo_start > -1) ? S_OK : S_FALSE;
break;
case Uri_PROPERTY_USER_NAME:
*pcchProperty = (This->userinfo_split > -1) ? This->userinfo_split : This->userinfo_len;
hres = (This->userinfo_start > -1) ? S_OK : S_FALSE;
break;
default:
FIXME("(%p)->(%d %p %x)\n", This, uriProp, pcchProperty, dwFlags);
hres = E_NOTIMPL;
}
return hres;
}
static HRESULT WINAPI Uri_GetPropertyDWORD(IUri *iface, Uri_PROPERTY uriProp, DWORD *pcchProperty, DWORD dwFlags)
{
Uri *This = URI_THIS(iface);
HRESULT hres;
TRACE("(%p)->(%d %p %x)\n", This, uriProp, pcchProperty, dwFlags);
if(!pcchProperty)
return E_INVALIDARG;
/* Microsoft's implementation for the ZONE property of a URI seems to be lacking...
* From what I can tell, instead of checking which URLZONE the URI belongs to it
* simply assigns URLZONE_INVALID and returns E_NOTIMPL. This also applies to the GetZone
* function.
*/
if(uriProp == Uri_PROPERTY_ZONE) {
*pcchProperty = URLZONE_INVALID;
return E_NOTIMPL;
}
if(uriProp < Uri_PROPERTY_DWORD_START) {
*pcchProperty = 0;
return E_INVALIDARG;
}
switch(uriProp) {
case Uri_PROPERTY_HOST_TYPE:
*pcchProperty = This->host_type;
hres = S_OK;
break;
case Uri_PROPERTY_PORT:
if(!This->has_port) {
*pcchProperty = 0;
hres = S_FALSE;
} else {
*pcchProperty = This->port;
hres = S_OK;
}
break;
case Uri_PROPERTY_SCHEME:
*pcchProperty = This->scheme_type;
hres = S_OK;
break;
default:
FIXME("(%p)->(%d %p %x)\n", This, uriProp, pcchProperty, dwFlags);
hres = E_NOTIMPL;
}
return hres;
}
static HRESULT WINAPI Uri_HasProperty(IUri *iface, Uri_PROPERTY uriProp, BOOL *pfHasProperty)
{
Uri *This = URI_THIS(iface);
TRACE("(%p)->(%d %p)\n", This, uriProp, pfHasProperty);
if(!pfHasProperty)
return E_INVALIDARG;
switch(uriProp) {
case Uri_PROPERTY_ABSOLUTE_URI:
*pfHasProperty = TRUE;
break;
case Uri_PROPERTY_AUTHORITY:
*pfHasProperty = This->authority_start > -1;
break;
case Uri_PROPERTY_DISPLAY_URI:
*pfHasProperty = TRUE;
break;
case Uri_PROPERTY_DOMAIN:
*pfHasProperty = This->domain_offset > -1;
break;
case Uri_PROPERTY_EXTENSION:
*pfHasProperty = This->extension_offset > -1;
break;
case Uri_PROPERTY_FRAGMENT:
*pfHasProperty = This->fragment_start > -1;
break;
case Uri_PROPERTY_HOST:
*pfHasProperty = This->host_start > -1;
break;
case Uri_PROPERTY_PASSWORD:
*pfHasProperty = This->userinfo_split > -1;
break;
case Uri_PROPERTY_PATH:
*pfHasProperty = This->path_start > -1;
break;
case Uri_PROPERTY_PATH_AND_QUERY:
*pfHasProperty = (This->path_start > -1 || This->query_start > -1);
break;
case Uri_PROPERTY_QUERY:
*pfHasProperty = This->query_start > -1;
break;
case Uri_PROPERTY_RAW_URI:
*pfHasProperty = TRUE;
break;
case Uri_PROPERTY_SCHEME_NAME:
*pfHasProperty = This->scheme_start > -1;
break;
case Uri_PROPERTY_USER_INFO:
case Uri_PROPERTY_USER_NAME:
*pfHasProperty = This->userinfo_start > -1;
break;
case Uri_PROPERTY_HOST_TYPE:
*pfHasProperty = TRUE;
break;
case Uri_PROPERTY_PORT:
*pfHasProperty = This->has_port;
break;
case Uri_PROPERTY_SCHEME:
*pfHasProperty = TRUE;
break;
case Uri_PROPERTY_ZONE:
*pfHasProperty = FALSE;
break;
default:
FIXME("(%p)->(%d %p): Unsupported property type.\n", This, uriProp, pfHasProperty);
return E_NOTIMPL;
}
return S_OK;
}
static HRESULT WINAPI Uri_GetAbsoluteUri(IUri *iface, BSTR *pstrAbsoluteUri)
{
TRACE("(%p)->(%p)\n", iface, pstrAbsoluteUri);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_ABSOLUTE_URI, pstrAbsoluteUri, 0);
}
static HRESULT WINAPI Uri_GetAuthority(IUri *iface, BSTR *pstrAuthority)
{
TRACE("(%p)->(%p)\n", iface, pstrAuthority);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_AUTHORITY, pstrAuthority, 0);
}
static HRESULT WINAPI Uri_GetDisplayUri(IUri *iface, BSTR *pstrDisplayUri)
{
TRACE("(%p)->(%p)\n", iface, pstrDisplayUri);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_DISPLAY_URI, pstrDisplayUri, 0);
}
static HRESULT WINAPI Uri_GetDomain(IUri *iface, BSTR *pstrDomain)
{
TRACE("(%p)->(%p)\n", iface, pstrDomain);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_DOMAIN, pstrDomain, 0);
}
static HRESULT WINAPI Uri_GetExtension(IUri *iface, BSTR *pstrExtension)
{
TRACE("(%p)->(%p)\n", iface, pstrExtension);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_EXTENSION, pstrExtension, 0);
}
static HRESULT WINAPI Uri_GetFragment(IUri *iface, BSTR *pstrFragment)
{
TRACE("(%p)->(%p)\n", iface, pstrFragment);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_FRAGMENT, pstrFragment, 0);
}
static HRESULT WINAPI Uri_GetHost(IUri *iface, BSTR *pstrHost)
{
TRACE("(%p)->(%p)\n", iface, pstrHost);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_HOST, pstrHost, 0);
}
static HRESULT WINAPI Uri_GetPassword(IUri *iface, BSTR *pstrPassword)
{
TRACE("(%p)->(%p)\n", iface, pstrPassword);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_PASSWORD, pstrPassword, 0);
}
static HRESULT WINAPI Uri_GetPath(IUri *iface, BSTR *pstrPath)
{
TRACE("(%p)->(%p)\n", iface, pstrPath);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_PATH, pstrPath, 0);
}
static HRESULT WINAPI Uri_GetPathAndQuery(IUri *iface, BSTR *pstrPathAndQuery)
{
TRACE("(%p)->(%p)\n", iface, pstrPathAndQuery);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_PATH_AND_QUERY, pstrPathAndQuery, 0);
}
static HRESULT WINAPI Uri_GetQuery(IUri *iface, BSTR *pstrQuery)
{
TRACE("(%p)->(%p)\n", iface, pstrQuery);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_QUERY, pstrQuery, 0);
}
static HRESULT WINAPI Uri_GetRawUri(IUri *iface, BSTR *pstrRawUri)
{
Uri *This = URI_THIS(iface);
TRACE("(%p)->(%p)\n", This, pstrRawUri);
/* Just forward the call to GetPropertyBSTR. */
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_RAW_URI, pstrRawUri, 0);
}
static HRESULT WINAPI Uri_GetSchemeName(IUri *iface, BSTR *pstrSchemeName)
{
Uri *This = URI_THIS(iface);
TRACE("(%p)->(%p)\n", This, pstrSchemeName);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_SCHEME_NAME, pstrSchemeName, 0);
}
static HRESULT WINAPI Uri_GetUserInfo(IUri *iface, BSTR *pstrUserInfo)
{
TRACE("(%p)->(%p)\n", iface, pstrUserInfo);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_USER_INFO, pstrUserInfo, 0);
}
static HRESULT WINAPI Uri_GetUserName(IUri *iface, BSTR *pstrUserName)
{
TRACE("(%p)->(%p)\n", iface, pstrUserName);
return Uri_GetPropertyBSTR(iface, Uri_PROPERTY_USER_NAME, pstrUserName, 0);
}
static HRESULT WINAPI Uri_GetHostType(IUri *iface, DWORD *pdwHostType)
{
TRACE("(%p)->(%p)\n", iface, pdwHostType);
return Uri_GetPropertyDWORD(iface, Uri_PROPERTY_HOST_TYPE, pdwHostType, 0);
}
static HRESULT WINAPI Uri_GetPort(IUri *iface, DWORD *pdwPort)
{
TRACE("(%p)->(%p)\n", iface, pdwPort);
return Uri_GetPropertyDWORD(iface, Uri_PROPERTY_PORT, pdwPort, 0);
}
static HRESULT WINAPI Uri_GetScheme(IUri *iface, DWORD *pdwScheme)
{
Uri *This = URI_THIS(iface);
TRACE("(%p)->(%p)\n", This, pdwScheme);
return Uri_GetPropertyDWORD(iface, Uri_PROPERTY_SCHEME, pdwScheme, 0);
}
static HRESULT WINAPI Uri_GetZone(IUri *iface, DWORD *pdwZone)
{
TRACE("(%p)->(%p)\n", iface, pdwZone);
return Uri_GetPropertyDWORD(iface, Uri_PROPERTY_ZONE,pdwZone, 0);
}
static HRESULT WINAPI Uri_GetProperties(IUri *iface, DWORD *pdwProperties)
{
Uri *This = URI_THIS(iface);
TRACE("(%p)->(%p)\n", This, pdwProperties);
if(!pdwProperties)
return E_INVALIDARG;
/* All URIs have these. */
*pdwProperties = Uri_HAS_ABSOLUTE_URI|Uri_HAS_DISPLAY_URI|Uri_HAS_RAW_URI|
Uri_HAS_SCHEME|Uri_HAS_HOST_TYPE;
if(This->scheme_start > -1)
*pdwProperties |= Uri_HAS_SCHEME_NAME;
if(This->authority_start > -1) {
*pdwProperties |= Uri_HAS_AUTHORITY;
if(This->userinfo_start > -1)
*pdwProperties |= Uri_HAS_USER_INFO|Uri_HAS_USER_NAME;
if(This->userinfo_split > -1)
*pdwProperties |= Uri_HAS_PASSWORD;
if(This->host_start > -1)
*pdwProperties |= Uri_HAS_HOST;
if(This->domain_offset > -1)
*pdwProperties |= Uri_HAS_DOMAIN;
if(This->has_port)
*pdwProperties |= Uri_HAS_PORT;
}
if(This->path_start > -1)
*pdwProperties |= Uri_HAS_PATH|Uri_HAS_PATH_AND_QUERY;
if(This->query_start > -1)
*pdwProperties |= Uri_HAS_QUERY|Uri_HAS_PATH_AND_QUERY;
if(This->extension_offset > -1)
*pdwProperties |= Uri_HAS_EXTENSION;
if(This->fragment_start > -1)
*pdwProperties |= Uri_HAS_FRAGMENT;
return S_OK;
}
static HRESULT WINAPI Uri_IsEqual(IUri *iface, IUri *pUri, BOOL *pfEqual)
{
Uri *This = URI_THIS(iface);
Uri *other;
TRACE("(%p)->(%p %p)\n", This, pUri, pfEqual);
if(!pfEqual)
return E_POINTER;
if(!pUri) {
*pfEqual = FALSE;
/* For some reason Windows returns S_OK here... */
return S_OK;
}
/* Try to convert it to a Uri (allows for a more simple comparison). */
if((other = get_uri_obj(pUri)))
*pfEqual = are_equal_simple(This, other);
else {
/* Do it the hard way. */
FIXME("(%p)->(%p %p) No support for unknown IUri's yet.\n", iface, pUri, pfEqual);
return E_NOTIMPL;
}
return S_OK;
}
#undef URI_THIS
static const IUriVtbl UriVtbl = {
Uri_QueryInterface,
Uri_AddRef,
Uri_Release,
Uri_GetPropertyBSTR,
Uri_GetPropertyLength,
Uri_GetPropertyDWORD,
Uri_HasProperty,
Uri_GetAbsoluteUri,
Uri_GetAuthority,
Uri_GetDisplayUri,
Uri_GetDomain,
Uri_GetExtension,
Uri_GetFragment,
Uri_GetHost,
Uri_GetPassword,
Uri_GetPath,
Uri_GetPathAndQuery,
Uri_GetQuery,
Uri_GetRawUri,
Uri_GetSchemeName,
Uri_GetUserInfo,
Uri_GetUserName,
Uri_GetHostType,
Uri_GetPort,
Uri_GetScheme,
Uri_GetZone,
Uri_GetProperties,
Uri_IsEqual
};
/***********************************************************************
* CreateUri (urlmon.@)
*
* Creates a new IUri object using the URI represented by pwzURI. This function
* parses and validates the components of pwzURI and then canonicalizes the
* parsed components.
*
* PARAMS
* pwzURI [I] The URI to parse, validate, and canonicalize.
* dwFlags [I] Flags which can affect how the parsing/canonicalization is performed.
* dwReserved [I] Reserved (not used).
* ppURI [O] The resulting IUri after parsing/canonicalization occurs.
*
* RETURNS
* Success: Returns S_OK. ppURI contains the pointer to the newly allocated IUri.
* Failure: E_INVALIDARG if there's invalid flag combinations in dwFlags, or an
* invalid parameters, or pwzURI doesn't represnt a valid URI.
* E_OUTOFMEMORY if any memory allocation fails.
*
* NOTES
* Default flags:
* Uri_CREATE_CANONICALIZE, Uri_CREATE_DECODE_EXTRA_INFO, Uri_CREATE_CRACK_UNKNOWN_SCHEMES,
* Uri_CREATE_PRE_PROCESS_HTML_URI, Uri_CREATE_NO_IE_SETTINGS.
*/
HRESULT WINAPI CreateUri(LPCWSTR pwzURI, DWORD dwFlags, DWORD_PTR dwReserved, IUri **ppURI)
{
const DWORD supported_flags = Uri_CREATE_ALLOW_RELATIVE|Uri_CREATE_ALLOW_IMPLICIT_WILDCARD_SCHEME|
Uri_CREATE_ALLOW_IMPLICIT_FILE_SCHEME|Uri_CREATE_NO_CANONICALIZE|Uri_CREATE_CANONICALIZE|
Uri_CREATE_DECODE_EXTRA_INFO|Uri_CREATE_NO_DECODE_EXTRA_INFO|Uri_CREATE_CRACK_UNKNOWN_SCHEMES|
Uri_CREATE_NO_CRACK_UNKNOWN_SCHEMES|Uri_CREATE_PRE_PROCESS_HTML_URI|Uri_CREATE_NO_PRE_PROCESS_HTML_URI|
Uri_CREATE_NO_IE_SETTINGS|Uri_CREATE_NO_ENCODE_FORBIDDEN_CHARACTERS;
Uri *ret;
HRESULT hr;
parse_data data;
TRACE("(%s %x %x %p)\n", debugstr_w(pwzURI), dwFlags, (DWORD)dwReserved, ppURI);
if(!ppURI)
return E_INVALIDARG;
if(!pwzURI) {
*ppURI = NULL;
return E_INVALIDARG;
}
/* Check for invalid flags. */
if((dwFlags & Uri_CREATE_DECODE_EXTRA_INFO && dwFlags & Uri_CREATE_NO_DECODE_EXTRA_INFO) ||
(dwFlags & Uri_CREATE_CANONICALIZE && dwFlags & Uri_CREATE_NO_CANONICALIZE) ||
(dwFlags & Uri_CREATE_CRACK_UNKNOWN_SCHEMES && dwFlags & Uri_CREATE_NO_CRACK_UNKNOWN_SCHEMES) ||
(dwFlags & Uri_CREATE_PRE_PROCESS_HTML_URI && dwFlags & Uri_CREATE_NO_PRE_PROCESS_HTML_URI) ||
(dwFlags & Uri_CREATE_IE_SETTINGS && dwFlags & Uri_CREATE_NO_IE_SETTINGS)) {
*ppURI = NULL;
return E_INVALIDARG;
}
/* Currently unsupported. */
if(dwFlags & ~supported_flags)
FIXME("Ignoring unsupported flags %x\n", dwFlags & ~supported_flags);
ret = heap_alloc(sizeof(Uri));
if(!ret)
return E_OUTOFMEMORY;
ret->lpIUriVtbl = &UriVtbl;
ret->ref = 1;
/* Pre process the URI, unless told otherwise. */
if(!(dwFlags & Uri_CREATE_NO_PRE_PROCESS_HTML_URI))
ret->raw_uri = pre_process_uri(pwzURI);
else
ret->raw_uri = SysAllocString(pwzURI);
if(!ret->raw_uri) {
heap_free(ret);
return E_OUTOFMEMORY;
}
memset(&data, 0, sizeof(parse_data));
data.uri = ret->raw_uri;
/* Validate and parse the URI into it's components. */
if(!parse_uri(&data, dwFlags)) {
/* Encountered an unsupported or invalid URI */
SysFreeString(ret->raw_uri);
heap_free(ret);
*ppURI = NULL;
return E_INVALIDARG;
}
/* Canonicalize the URI. */
hr = canonicalize_uri(&data, ret, dwFlags);
if(FAILED(hr)) {
SysFreeString(ret->raw_uri);
heap_free(ret);
*ppURI = NULL;
return hr;
}
*ppURI = URI(ret);
return S_OK;
}
/***********************************************************************
* CreateUriWithFragment (urlmon.@)
*
* Creates a new IUri object. This is almost the same as CreateUri, expect that
* it allows you to explicitly specify a fragment (pwzFragment) for pwzURI.
*
* PARAMS
* pwzURI [I] The URI to parse and perform canonicalization on.
* pwzFragment [I] The explict fragment string which should be added to pwzURI.
* dwFlags [I] The flags which will be passed to CreateUri.
* dwReserved [I] Reserved (not used).
* ppURI [O] The resulting IUri after parsing/canonicalization.
*
* RETURNS
* Success: S_OK. ppURI contains the pointer to the newly allocated IUri.
* Failure: E_INVALIDARG if pwzURI already contains a fragment and pwzFragment
* isn't NULL. Will also return E_INVALIDARG for the same reasons as
* CreateUri will. E_OUTOFMEMORY if any allocations fail.
*/
HRESULT WINAPI CreateUriWithFragment(LPCWSTR pwzURI, LPCWSTR pwzFragment, DWORD dwFlags,
DWORD_PTR dwReserved, IUri **ppURI)
{
HRESULT hres;
TRACE("(%s %s %x %x %p)\n", debugstr_w(pwzURI), debugstr_w(pwzFragment), dwFlags, (DWORD)dwReserved, ppURI);
if(!ppURI)
return E_INVALIDARG;
if(!pwzURI) {
*ppURI = NULL;
return E_INVALIDARG;
}
/* Check if a fragment should be appended to the URI string. */
if(pwzFragment) {
WCHAR *uriW;
DWORD uri_len, frag_len;
BOOL add_pound;
/* Check if the original URI already has a fragment component. */
if(StrChrW(pwzURI, '#')) {
*ppURI = NULL;
return E_INVALIDARG;
}
uri_len = lstrlenW(pwzURI);
frag_len = lstrlenW(pwzFragment);
/* If the fragment doesn't start with a '#', one will be added. */
add_pound = *pwzFragment != '#';
if(add_pound)
uriW = heap_alloc((uri_len+frag_len+2)*sizeof(WCHAR));
else
uriW = heap_alloc((uri_len+frag_len+1)*sizeof(WCHAR));
if(!uriW)
return E_OUTOFMEMORY;
memcpy(uriW, pwzURI, uri_len*sizeof(WCHAR));
if(add_pound)
uriW[uri_len++] = '#';
memcpy(uriW+uri_len, pwzFragment, (frag_len+1)*sizeof(WCHAR));
hres = CreateUri(uriW, dwFlags, 0, ppURI);
heap_free(uriW);
} else
/* A fragment string wasn't specified, so just forward the call. */
hres = CreateUri(pwzURI, dwFlags, 0, ppURI);
return hres;
}
#define URIBUILDER_THIS(iface) DEFINE_THIS(UriBuilder, IUriBuilder, iface)
static HRESULT WINAPI UriBuilder_QueryInterface(IUriBuilder *iface, REFIID riid, void **ppv)
{
UriBuilder *This = URIBUILDER_THIS(iface);
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = URIBUILDER(This);
}else if(IsEqualGUID(&IID_IUriBuilder, riid)) {
TRACE("(%p)->(IID_IUri %p)\n", This, ppv);
*ppv = URIBUILDER(This);
}else {
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
*ppv = NULL;
return E_NOINTERFACE;
}
IUnknown_AddRef((IUnknown*)*ppv);
return S_OK;
}
static ULONG WINAPI UriBuilder_AddRef(IUriBuilder *iface)
{
UriBuilder *This = URIBUILDER_THIS(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI UriBuilder_Release(IUriBuilder *iface)
{
UriBuilder *This = URIBUILDER_THIS(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
if(This->uri) IUri_Release(This->uri);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI UriBuilder_CreateUriSimple(IUriBuilder *iface,
DWORD dwAllowEncodingPropertyMask,
DWORD_PTR dwReserved,
IUri **ppIUri)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%d %d %p)\n", This, dwAllowEncodingPropertyMask, (DWORD)dwReserved, ppIUri);
if(!ppIUri)
return E_POINTER;
/* Acts the same way as CreateUri. */
if(dwAllowEncodingPropertyMask && !This->uri) {
*ppIUri = NULL;
return E_NOTIMPL;
}
if(!This->uri) {
*ppIUri = NULL;
return INET_E_INVALID_URL;
}
FIXME("(%p)->(%d %d %p)\n", This, dwAllowEncodingPropertyMask, (DWORD)dwReserved, ppIUri);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_CreateUri(IUriBuilder *iface,
DWORD dwCreateFlags,
DWORD dwAllowEncodingPropertyMask,
DWORD_PTR dwReserved,
IUri **ppIUri)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(0x%08x %d %d %p)\n", This, dwCreateFlags, dwAllowEncodingPropertyMask, (DWORD)dwReserved, ppIUri);
if(!ppIUri)
return E_POINTER;
/* The only time it doesn't return E_NOTIMPL when the dwAllow parameter
* has flags set, is when the IUriBuilder has a IUri set and it hasn't
* been modified (a call to a "Set*" hasn't been performed).
*
* TODO: Check if the IUriBuilder's properties have been modified.
*/
if(dwAllowEncodingPropertyMask && !This->uri) {
*ppIUri = NULL;
return E_NOTIMPL;
}
if(!This->uri) {
*ppIUri = NULL;
return INET_E_INVALID_URL;
}
FIXME("(%p)->(0x%08x %d %d %p)\n", This, dwCreateFlags, dwAllowEncodingPropertyMask, (DWORD)dwReserved, ppIUri);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_CreateUriWithFlags(IUriBuilder *iface,
DWORD dwCreateFlags,
DWORD dwUriBuilderFlags,
DWORD dwAllowEncodingPropertyMask,
DWORD_PTR dwReserved,
IUri **ppIUri)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(0x%08x 0x%08x %d %d %p)\n", This, dwCreateFlags, dwUriBuilderFlags,
dwAllowEncodingPropertyMask, (DWORD)dwReserved, ppIUri);
if(!ppIUri)
return E_POINTER;
/* Same as CreateUri. */
if(dwAllowEncodingPropertyMask && !This->uri) {
*ppIUri = NULL;
return E_NOTIMPL;
}
if(!This->uri) {
*ppIUri = NULL;
return INET_E_INVALID_URL;
}
FIXME("(%p)->(0x%08x 0x%08x %d %d %p)\n", This, dwCreateFlags, dwUriBuilderFlags,
dwAllowEncodingPropertyMask, (DWORD)dwReserved, ppIUri);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetIUri(IUriBuilder *iface, IUri **ppIUri)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p)\n", This, ppIUri);
if(!ppIUri)
return E_POINTER;
FIXME("(%p)->(%p)\n", This, ppIUri);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetIUri(IUriBuilder *iface, IUri *pIUri)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%p)\n", This, pIUri);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetFragment(IUriBuilder *iface, DWORD *pcchFragment, LPCWSTR *ppwzFragment)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchFragment, ppwzFragment);
if(!pcchFragment) {
if(ppwzFragment)
*ppwzFragment = NULL;
return E_POINTER;
}
if(!ppwzFragment) {
*pcchFragment = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchFragment, ppwzFragment);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetHost(IUriBuilder *iface, DWORD *pcchHost, LPCWSTR *ppwzHost)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchHost, ppwzHost);
if(!pcchHost) {
if(ppwzHost)
*ppwzHost = NULL;
return E_POINTER;
}
if(!ppwzHost) {
*pcchHost = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchHost, ppwzHost);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetPassword(IUriBuilder *iface, DWORD *pcchPassword, LPCWSTR *ppwzPassword)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchPassword, ppwzPassword);
if(!pcchPassword) {
if(ppwzPassword)
*ppwzPassword = NULL;
return E_POINTER;
}
if(!ppwzPassword) {
*pcchPassword = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchPassword, ppwzPassword);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetPath(IUriBuilder *iface, DWORD *pcchPath, LPCWSTR *ppwzPath)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchPath, ppwzPath);
if(!pcchPath) {
if(ppwzPath)
*ppwzPath = NULL;
return E_POINTER;
}
if(!ppwzPath) {
*pcchPath = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchPath, ppwzPath);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetPort(IUriBuilder *iface, BOOL *pfHasPort, DWORD *pdwPort)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pfHasPort, pdwPort);
if(!pfHasPort) {
if(pdwPort)
*pdwPort = 0;
return E_POINTER;
}
if(!pdwPort) {
*pfHasPort = FALSE;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pfHasPort, pdwPort);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetQuery(IUriBuilder *iface, DWORD *pcchQuery, LPCWSTR *ppwzQuery)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchQuery, ppwzQuery);
if(!pcchQuery) {
if(ppwzQuery)
*ppwzQuery = NULL;
return E_POINTER;
}
if(!ppwzQuery) {
*pcchQuery = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchQuery, ppwzQuery);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetSchemeName(IUriBuilder *iface, DWORD *pcchSchemeName, LPCWSTR *ppwzSchemeName)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchSchemeName, ppwzSchemeName);
if(!pcchSchemeName) {
if(ppwzSchemeName)
*ppwzSchemeName = NULL;
return E_POINTER;
}
if(!ppwzSchemeName) {
*pcchSchemeName = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchSchemeName, ppwzSchemeName);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_GetUserName(IUriBuilder *iface, DWORD *pcchUserName, LPCWSTR *ppwzUserName)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p %p)\n", This, pcchUserName, ppwzUserName);
if(!pcchUserName) {
if(ppwzUserName)
*ppwzUserName = NULL;
return E_POINTER;
}
if(!ppwzUserName) {
*pcchUserName = 0;
return E_POINTER;
}
FIXME("(%p)->(%p %p)\n", This, pcchUserName, ppwzUserName);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetFragment(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetHost(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetPassword(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetPath(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetPort(IUriBuilder *iface, BOOL fHasPort, DWORD dwNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%d %d)\n", This, fHasPort, dwNewValue);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetQuery(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetSchemeName(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_SetUserName(IUriBuilder *iface, LPCWSTR pwzNewValue)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(%s)\n", This, debugstr_w(pwzNewValue));
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_RemoveProperties(IUriBuilder *iface, DWORD dwPropertyMask)
{
UriBuilder *This = URIBUILDER_THIS(iface);
FIXME("(%p)->(0x%08x)\n", This, dwPropertyMask);
return E_NOTIMPL;
}
static HRESULT WINAPI UriBuilder_HasBeenModified(IUriBuilder *iface, BOOL *pfModified)
{
UriBuilder *This = URIBUILDER_THIS(iface);
TRACE("(%p)->(%p)\n", This, pfModified);
if(!pfModified)
return E_POINTER;
FIXME("(%p)->(%p)\n", This, pfModified);
return E_NOTIMPL;
}
#undef URIBUILDER_THIS
static const IUriBuilderVtbl UriBuilderVtbl = {
UriBuilder_QueryInterface,
UriBuilder_AddRef,
UriBuilder_Release,
UriBuilder_CreateUriSimple,
UriBuilder_CreateUri,
UriBuilder_CreateUriWithFlags,
UriBuilder_GetIUri,
UriBuilder_SetIUri,
UriBuilder_GetFragment,
UriBuilder_GetHost,
UriBuilder_GetPassword,
UriBuilder_GetPath,
UriBuilder_GetPort,
UriBuilder_GetQuery,
UriBuilder_GetSchemeName,
UriBuilder_GetUserName,
UriBuilder_SetFragment,
UriBuilder_SetHost,
UriBuilder_SetPassword,
UriBuilder_SetPath,
UriBuilder_SetPort,
UriBuilder_SetQuery,
UriBuilder_SetSchemeName,
UriBuilder_SetUserName,
UriBuilder_RemoveProperties,
UriBuilder_HasBeenModified,
};
/***********************************************************************
* CreateIUriBuilder (urlmon.@)
*/
HRESULT WINAPI CreateIUriBuilder(IUri *pIUri, DWORD dwFlags, DWORD_PTR dwReserved, IUriBuilder **ppIUriBuilder)
{
UriBuilder *ret;
TRACE("(%p %x %x %p)\n", pIUri, dwFlags, (DWORD)dwReserved, ppIUriBuilder);
if(!ppIUriBuilder)
return E_POINTER;
ret = heap_alloc(sizeof(UriBuilder));
if(!ret)
return E_OUTOFMEMORY;
ret->lpIUriBuilderVtbl = &UriBuilderVtbl;
ret->ref = 1;
ret->uri = pIUri;
if(pIUri)
IUri_AddRef(pIUri);
*ppIUriBuilder = URIBUILDER(ret);
return S_OK;
}
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