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localspl: Implement fpEnumPrintProcessors.

This commit is contained in:
Detlef Riekenberg 2009-10-14 23:33:01 +02:00 committed by Alexandre Julliard
parent 4172d6820c
commit 212d1e36bf
1 changed files with 175 additions and 1 deletions
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176
dlls/localspl/provider.c
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@ -110,6 +110,12 @@ static const WCHAR fmt_driversW[] = { 'S','y','s','t','e','m','\\',
'P','r','i','n','t','\\',
'E','n','v','i','r','o','n','m','e','n','t','s','\\',
'%','s','\\','D','r','i','v','e','r','s','%','s',0 };
static const WCHAR fmt_printprocessorsW[] = { 'S','y','s','t','e','m','\\',
'C','u', 'r','r','e','n','t','C','o','n','t','r','o','l','S','e','t','\\',
'C','o','n','t','r','o','l','\\',
'P','r','i','n','t','\\',
'E','n','v','i','r','o','n','m','e','n','t','s','\\','%','s','\\',
'P','r','i','n','t',' ','P','r','o','c','e','s','s','o','r','s',0 };
static const WCHAR hardwareidW[] = {'H','a','r','d','w','a','r','e','I','D',0};
static const WCHAR help_fileW[] = {'H','e','l','p',' ','F','i','l','e',0};
static const WCHAR localportW[] = {'L','o','c','a','l',' ','P','o','r','t',0};
@ -145,6 +151,7 @@ static const WCHAR winnt_cv_portsW[] = {'S','o','f','t','w','a','r','e','\\',
'W','i','n','d','o','w','s',' ','N','T','\\',
'C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'P','o','r','t','s',0};
static const WCHAR winprintW[] = {'w','i','n','p','r','i','n','t',0};
static const WCHAR x64_envnameW[] = {'W','i','n','d','o','w','s',' ','x','6','4',0};
static const WCHAR x64_subdirW[] = {'x','6','4',0};
static const WCHAR x86_envnameW[] = {'W','i','n','d','o','w','s',' ','N','T',' ','x','8','6',0};
@ -819,6 +826,92 @@ static DWORD get_local_monitors(DWORD level, LPBYTE pMonitors, DWORD cbBuf, LPDW
return needed;
}
/*****************************************************************************
* enumerate the local print processors (INTERNAL)
*
* returns the needed size (in bytes) for pPPInfo
* and *lpreturned is set to number of entries returned in pPPInfo
*
*/
static DWORD get_local_printprocessors(LPWSTR regpathW, LPBYTE pPPInfo, DWORD cbBuf, LPDWORD lpreturned)
{
HKEY hroot = NULL;
HKEY hentry = NULL;
LPWSTR ptr;
PPRINTPROCESSOR_INFO_1W ppi;
WCHAR buffer[MAX_PATH];
WCHAR dllname[MAX_PATH];
DWORD dllsize;
DWORD len;
DWORD index = 0;
DWORD needed = 0;
DWORD numentries;
numentries = *lpreturned; /* this is 0, when we scan the registry */
len = numentries * sizeof(PRINTPROCESSOR_INFO_1W);
ptr = (LPWSTR) &pPPInfo[len];
numentries = 0;
len = sizeof(buffer)/sizeof(buffer[0]);
buffer[0] = '\0';
if (RegCreateKeyW(HKEY_LOCAL_MACHINE, regpathW, &hroot) == ERROR_SUCCESS) {
/* add "winprint" first */
numentries++;
needed = sizeof(PRINTPROCESSOR_INFO_1W) + sizeof(winprintW);
if (pPPInfo && (cbBuf >= needed)){
ppi = (PPRINTPROCESSOR_INFO_1W) pPPInfo;
pPPInfo += sizeof(PRINTPROCESSOR_INFO_1W);
TRACE("%p: writing PRINTPROCESSOR_INFO_1W #%d\n", ppi, numentries);
ppi->pName = ptr;
lstrcpyW(ptr, winprintW); /* Name of the Print Processor */
ptr += sizeof(winprintW) / sizeof(WCHAR);
}
/* Scan all Printprocessor Keys */
while ((RegEnumKeyExW(hroot, index, buffer, &len, NULL, NULL, NULL, NULL) == ERROR_SUCCESS) &&
(lstrcmpiW(buffer, winprintW) != 0)) {
TRACE("PrintProcessor_%d: %s\n", numentries, debugstr_w(buffer));
dllsize = sizeof(dllname);
dllname[0] = '\0';
/* The Print Processor must have a Driver-DLL */
if (RegOpenKeyExW(hroot, buffer, 0, KEY_READ, &hentry) == ERROR_SUCCESS) {
if (RegQueryValueExW(hentry, driverW, NULL, NULL, (LPBYTE) dllname, &dllsize) == ERROR_SUCCESS) {
/* We found a valid DLL for this Print Processor */
TRACE("using Driver: %s\n", debugstr_w(dllname));
}
RegCloseKey(hentry);
}
if (dllname[0]) {
numentries++;
needed += sizeof(PRINTPROCESSOR_INFO_1W);
needed += (len+1) * sizeof(WCHAR); /* len is lstrlenW(printprocessor name) */
/* required size is calculated. Now fill the user-buffer */
if (pPPInfo && (cbBuf >= needed)){
ppi = (PPRINTPROCESSOR_INFO_1W) pPPInfo;
pPPInfo += sizeof(PRINTPROCESSOR_INFO_1W);
TRACE("%p: writing PRINTPROCESSOR_INFO_1W #%d\n", ppi, numentries);
ppi->pName = ptr;
lstrcpyW(ptr, buffer); /* Name of the Print Processor */
ptr += (len+1); /* len is lstrlenW(printprosessor name) */
}
}
index++;
len = sizeof(buffer)/sizeof(buffer[0]);
buffer[0] = '\0';
}
RegCloseKey(hroot);
}
*lpreturned = numentries;
TRACE("need %d byte for %d entries\n", needed, numentries);
return needed;
}
/******************************************************************
* enumerate the local Ports from all loaded monitors (internal)
*
@ -2000,6 +2093,87 @@ emP_cleanup:
return (res);
}
/*****************************************************************************
* fpEnumPrintProcessors [exported through PRINTPROVIDOR]
*
* Enumerate available Print Processors
*
* PARAMS
* pName [I] Servername or NULL (local Computer)
* pEnvironment [I] Printing-Environment or NULL (Default)
* Level [I] Structure-Level (Only 1 is allowed)
* pPPInfo [O] PTR to Buffer that receives the Result
* cbBuf [I] Size of Buffer at pMonitors
* pcbNeeded [O] PTR to DWORD that receives the size in Bytes used / required for pPPInfo
* pcReturned [O] PTR to DWORD that receives the number of Print Processors in pPPInfo
*
* RETURNS
* Success: TRUE
* Failure: FALSE and in pcbNeeded the Bytes required for pPPInfo, if cbBuf is too small
*
*/
static BOOL WINAPI fpEnumPrintProcessors(LPWSTR pName, LPWSTR pEnvironment, DWORD Level,
LPBYTE pPPInfo, DWORD cbBuf, LPDWORD pcbNeeded, LPDWORD pcReturned)
{
const printenv_t * env;
LPWSTR regpathW = NULL;
DWORD numentries = 0;
DWORD needed = 0;
LONG lres;
BOOL res = FALSE;
TRACE("(%s, %s, %d, %p, %d, %p, %p)\n", debugstr_w(pName), debugstr_w(pEnvironment),
Level, pPPInfo, cbBuf, pcbNeeded, pcReturned);
lres = copy_servername_from_name(pName, NULL);
if (lres) {
FIXME("server %s not supported\n", debugstr_w(pName));
SetLastError(ERROR_INVALID_NAME);
goto epp_cleanup;
}
if (Level != 1) {
SetLastError(ERROR_INVALID_LEVEL);
goto epp_cleanup;
}
env = validate_envW(pEnvironment);
if (!env)
goto epp_cleanup; /* ERROR_INVALID_ENVIRONMENT */
regpathW = heap_alloc(sizeof(fmt_printprocessorsW) +
(lstrlenW(env->envname) * sizeof(WCHAR)));
if (!regpathW)
goto epp_cleanup;
wsprintfW(regpathW, fmt_printprocessorsW, env->envname);
/* Scan all Printprocessor-Keys */
numentries = 0;
needed = get_local_printprocessors(regpathW, NULL, 0, &numentries);
/* we calculated the needed buffersize. now do more error-checks */
if (cbBuf < needed) {
SetLastError(ERROR_INSUFFICIENT_BUFFER);
goto epp_cleanup;
}
/* fill the Buffer with the Printprocessor Infos */
needed = get_local_printprocessors(regpathW, pPPInfo, cbBuf, &numentries);
res = TRUE;
epp_cleanup:
heap_free(regpathW);
if (pcbNeeded) *pcbNeeded = needed;
if (pcReturned) *pcReturned = numentries;
TRACE("returning %d with %d (%d byte for %d entries)\n",
res, GetLastError(), needed, numentries);
return (res);
}
/******************************************************************************
* fpOpenPrinter [exported through PRINTPROVIDOR]
*
@ -2123,7 +2297,7 @@ void setup_provider(void)
fpGetPrinterDriverDirectory,
NULL, /* fpDeletePrinterDriver */
NULL, /* fpAddPrintProcessor */
NULL, /* fpEnumPrintProcessors */
fpEnumPrintProcessors,
NULL, /* fpGetPrintProcessorDirectory */
NULL, /* fpDeletePrintProcessor */
NULL, /* fpEnumPrintProcessorDatatypes */