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server: Define a server-side structure for SID. 

Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Alexandre Julliard 2022-01-25 12:27:28 +01:00
parent 841b8862fb
commit 990cc1c64b
12 changed files with 241 additions and 296 deletions
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14
include/wine/server_protocol.h
View File

@ -385,6 +385,14 @@ struct acl
unsigned short pad2; unsigned short pad2;
}; };
struct sid
{
unsigned char revision;
unsigned char sub_count;
unsigned char id_auth[6];
unsigned int sub_auth[15];
};
typedef struct typedef struct
{ {
unsigned int read; unsigned int read;
@ -4411,7 +4419,7 @@ struct filter_token_request
unsigned int flags; unsigned int flags;
data_size_t privileges_size; data_size_t privileges_size;
/* VARARG(privileges,luid_attr,privileges_size); */ /* VARARG(privileges,luid_attr,privileges_size); */
/* VARARG(disable_sids,SID); */ /* VARARG(disable_sids,sid); */
}; };
struct filter_token_reply struct filter_token_reply
{ {
@ -4450,7 +4458,7 @@ struct get_token_sid_reply
{ {
struct reply_header __header; struct reply_header __header;
data_size_t sid_len; data_size_t sid_len;
/* VARARG(sid,SID); */ /* VARARG(sid,sid); */
char __pad_12[4]; char __pad_12[4];
}; };
@ -6261,7 +6269,7 @@ union generic_reply
/* ### protocol_version begin ### */ /* ### protocol_version begin ### */
#define SERVER_PROTOCOL_VERSION 741 #define SERVER_PROTOCOL_VERSION 742
/* ### protocol_version end ### */ /* ### protocol_version end ### */

4
server/change.c
View File

@ -364,7 +364,7 @@ static int dir_set_sd( struct object *obj, const struct security_descriptor *sd,
unsigned int set_info ) unsigned int set_info )
{ {
struct dir *dir = (struct dir *)obj; struct dir *dir = (struct dir *)obj;
const SID *owner; const struct sid *owner;
struct stat st; struct stat st;
mode_t mode; mode_t mode;
int unix_fd; int unix_fd;
@ -383,7 +383,7 @@ static int dir_set_sd( struct object *obj, const struct security_descriptor *sd,
set_error( STATUS_INVALID_SECURITY_DESCR ); set_error( STATUS_INVALID_SECURITY_DESCR );
return 0; return 0;
} }
if (!obj->sd || !security_equal_sid( owner, sd_get_owner( obj->sd ) )) if (!obj->sd || !equal_sid( owner, sd_get_owner( obj->sd ) ))
{ {
/* FIXME: get Unix uid and call fchown */ /* FIXME: get Unix uid and call fchown */
} }

42
server/file.c
View File

@ -243,7 +243,7 @@ static struct object *create_file( struct fd *root, const char *nameptr, data_si
if (sd) if (sd)
{ {
const SID *owner = sd_get_owner( sd ); const struct sid *owner = sd_get_owner( sd );
if (!owner) if (!owner)
owner = token_get_user( current->process->token ); owner = token_get_user( current->process->token );
mode = sd_to_mode( sd, owner ); mode = sd_to_mode( sd, owner );
@ -306,7 +306,7 @@ static struct fd *file_get_fd( struct object *obj )
return (struct fd *)grab_object( file->fd ); return (struct fd *)grab_object( file->fd );
} }
struct security_descriptor *mode_to_sd( mode_t mode, const SID *user, const SID *group ) struct security_descriptor *mode_to_sd( mode_t mode, const struct sid *user, const struct sid *group )
{ {
struct security_descriptor *sd; struct security_descriptor *sd;
unsigned char flags; unsigned char flags;
@ -314,25 +314,21 @@ struct security_descriptor *mode_to_sd( mode_t mode, const SID *user, const SID
struct ace *ace; struct ace *ace;
struct acl *dacl; struct acl *dacl;
char *ptr; char *ptr;
const SID *world_sid = security_world_sid;
const SID *local_system_sid = security_local_system_sid;
dacl_size = sizeof(*dacl) + sizeof(*ace) + security_sid_len( local_system_sid ); dacl_size = sizeof(*dacl) + sizeof(*ace) + sid_len( &local_system_sid );
if (mode & S_IRWXU) dacl_size += sizeof(*ace) + security_sid_len( user ); if (mode & S_IRWXU) dacl_size += sizeof(*ace) + sid_len( user );
if ((!(mode & S_IRUSR) && (mode & (S_IRGRP|S_IROTH))) || if ((!(mode & S_IRUSR) && (mode & (S_IRGRP|S_IROTH))) ||
(!(mode & S_IWUSR) && (mode & (S_IWGRP|S_IWOTH))) || (!(mode & S_IWUSR) && (mode & (S_IWGRP|S_IWOTH))) ||
(!(mode & S_IXUSR) && (mode & (S_IXGRP|S_IXOTH)))) (!(mode & S_IXUSR) && (mode & (S_IXGRP|S_IXOTH))))
dacl_size += sizeof(*ace) + security_sid_len( user ); dacl_size += sizeof(*ace) + sid_len( user );
if (mode & S_IRWXO) dacl_size += sizeof(*ace) + security_sid_len( world_sid ); if (mode & S_IRWXO) dacl_size += sizeof(*ace) + sid_len( &world_sid );
sd = mem_alloc( sizeof(struct security_descriptor) + sd = mem_alloc( sizeof(*sd) + sid_len( user ) + sid_len( group ) + dacl_size );
security_sid_len( user ) + security_sid_len( group ) +
dacl_size );
if (!sd) return sd; if (!sd) return sd;
sd->control = SE_DACL_PRESENT; sd->control = SE_DACL_PRESENT;
sd->owner_len = security_sid_len( user ); sd->owner_len = sid_len( user );
sd->group_len = security_sid_len( group ); sd->group_len = sid_len( group );
sd->sacl_len = 0; sd->sacl_len = 0;
sd->dacl_len = dacl_size; sd->dacl_len = dacl_size;
@ -358,7 +354,7 @@ struct security_descriptor *mode_to_sd( mode_t mode, const SID *user, const SID
flags = (mode & S_IFDIR) ? OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE : 0; flags = (mode & S_IFDIR) ? OBJECT_INHERIT_ACE | CONTAINER_INHERIT_ACE : 0;
/* always give FILE_ALL_ACCESS for Local System */ /* always give FILE_ALL_ACCESS for Local System */
ace = set_ace( (struct ace *)(dacl + 1), local_system_sid, ace = set_ace( (struct ace *)(dacl + 1), &local_system_sid,
ACCESS_ALLOWED_ACE_TYPE, flags, FILE_ALL_ACCESS ); ACCESS_ALLOWED_ACE_TYPE, flags, FILE_ALL_ACCESS );
if (mode & S_IRWXU) if (mode & S_IRWXU)
@ -383,7 +379,7 @@ struct security_descriptor *mode_to_sd( mode_t mode, const SID *user, const SID
if (mode & S_IRWXO) if (mode & S_IRWXO)
{ {
/* appropriate access rights for Everyone */ /* appropriate access rights for Everyone */
ace = set_ace( ace_next( ace ), world_sid, ACCESS_ALLOWED_ACE_TYPE, flags, 0 ); ace = set_ace( ace_next( ace ), &world_sid, ACCESS_ALLOWED_ACE_TYPE, flags, 0 );
if (mode & S_IROTH) ace->mask |= FILE_GENERIC_READ | FILE_GENERIC_EXECUTE; if (mode & S_IROTH) ace->mask |= FILE_GENERIC_READ | FILE_GENERIC_EXECUTE;
if (mode & S_IWOTH) ace->mask |= FILE_GENERIC_WRITE | DELETE | FILE_DELETE_CHILD; if (mode & S_IWOTH) ace->mask |= FILE_GENERIC_WRITE | DELETE | FILE_DELETE_CHILD;
} }
@ -433,7 +429,7 @@ static mode_t file_access_to_mode( unsigned int access )
return mode; return mode;
} }
mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner ) mode_t sd_to_mode( const struct security_descriptor *sd, const struct sid *owner )
{ {
mode_t new_mode = 0; mode_t new_mode = 0;
mode_t bits_to_set = ~0; mode_t bits_to_set = ~0;
@ -448,7 +444,7 @@ mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner )
for (i = 0; i < dacl->count; i++, ace = ace_next( ace )) for (i = 0; i < dacl->count; i++, ace = ace_next( ace ))
{ {
const SID *sid = (const SID *)(ace + 1); const struct sid *sid = (const struct sid *)(ace + 1);
if (ace->flags & INHERIT_ONLY_ACE) continue; if (ace->flags & INHERIT_ONLY_ACE) continue;
@ -456,7 +452,7 @@ mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner )
switch (ace->type) switch (ace->type)
{ {
case ACCESS_DENIED_ACE_TYPE: case ACCESS_DENIED_ACE_TYPE:
if (security_equal_sid( sid, security_world_sid )) if (equal_sid( sid, &world_sid ))
{ {
bits_to_set &= ~((mode << 6) | (mode << 3) | mode); /* all */ bits_to_set &= ~((mode << 6) | (mode << 3) | mode); /* all */
} }
@ -465,13 +461,13 @@ mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner )
{ {
bits_to_set &= ~((mode << 6) | (mode << 3)); /* user + group */ bits_to_set &= ~((mode << 6) | (mode << 3)); /* user + group */
} }
else if (security_equal_sid( sid, owner )) else if (equal_sid( sid, owner ))
{ {
bits_to_set &= ~(mode << 6); /* user only */ bits_to_set &= ~(mode << 6); /* user only */
} }
break; break;
case ACCESS_ALLOWED_ACE_TYPE: case ACCESS_ALLOWED_ACE_TYPE:
if (security_equal_sid( sid, security_world_sid )) if (equal_sid( sid, &world_sid ))
{ {
mode = (mode << 6) | (mode << 3) | mode; /* all */ mode = (mode << 6) | (mode << 3) | mode; /* all */
new_mode |= mode & bits_to_set; new_mode |= mode & bits_to_set;
@ -484,7 +480,7 @@ mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner )
new_mode |= mode & bits_to_set; new_mode |= mode & bits_to_set;
bits_to_set &= ~mode; bits_to_set &= ~mode;
} }
else if (security_equal_sid( sid, owner )) else if (equal_sid( sid, owner ))
{ {
mode = (mode << 6); /* user only */ mode = (mode << 6); /* user only */
new_mode |= mode & bits_to_set; new_mode |= mode & bits_to_set;
@ -505,7 +501,7 @@ static int file_set_sd( struct object *obj, const struct security_descriptor *sd
unsigned int set_info ) unsigned int set_info )
{ {
struct file *file = (struct file *)obj; struct file *file = (struct file *)obj;
const SID *owner; const struct sid *owner;
struct stat st; struct stat st;
mode_t mode; mode_t mode;
int unix_fd; int unix_fd;
@ -524,7 +520,7 @@ static int file_set_sd( struct object *obj, const struct security_descriptor *sd
set_error( STATUS_INVALID_SECURITY_DESCR ); set_error( STATUS_INVALID_SECURITY_DESCR );
return 0; return 0;
} }
if (!obj->sd || !security_equal_sid( owner, sd_get_owner( obj->sd ) )) if (!obj->sd || !equal_sid( owner, sd_get_owner( obj->sd ) ))
{ {
/* FIXME: get Unix uid and call fchown */ /* FIXME: get Unix uid and call fchown */
} }

4
server/file.h
View File

@ -164,8 +164,8 @@ extern int get_file_unix_fd( struct file *file );
extern struct file *create_file_for_fd( int fd, unsigned int access, unsigned int sharing ); extern struct file *create_file_for_fd( int fd, unsigned int access, unsigned int sharing );
extern struct file *create_file_for_fd_obj( struct fd *fd, unsigned int access, unsigned int sharing ); extern struct file *create_file_for_fd_obj( struct fd *fd, unsigned int access, unsigned int sharing );
extern void file_set_error(void); extern void file_set_error(void);
extern struct security_descriptor *mode_to_sd( mode_t mode, const SID *user, const SID *group ); extern struct security_descriptor *mode_to_sd( mode_t mode, const struct sid *user, const struct sid *group );
extern mode_t sd_to_mode( const struct security_descriptor *sd, const SID *owner ); extern mode_t sd_to_mode( const struct security_descriptor *sd, const struct sid *owner );
extern int is_file_executable( const char *name ); extern int is_file_executable( const char *name );
/* file mapping functions */ /* file mapping functions */

2
server/handle.c
View File

@ -737,7 +737,7 @@ DECL_HANDLER(get_security_object)
unsigned int access = READ_CONTROL; unsigned int access = READ_CONTROL;
struct security_descriptor req_sd; struct security_descriptor req_sd;
int present; int present;
const SID *owner, *group; const struct sid *owner, *group;
const struct acl *sacl, *dacl; const struct acl *sacl, *dacl;
struct acl *label_acl = NULL; struct acl *label_acl = NULL;

6
server/object.c
View File

@ -543,7 +543,7 @@ int set_sd_defaults_from_token( struct object *obj, const struct security_descri
{ {
struct security_descriptor new_sd, *new_sd_ptr; struct security_descriptor new_sd, *new_sd_ptr;
int present; int present;
const SID *owner = NULL, *group = NULL; const struct sid *owner = NULL, *group = NULL;
const struct acl *sacl, *dacl; const struct acl *sacl, *dacl;
struct acl *replaced_sacl = NULL; struct acl *replaced_sacl = NULL;
char *ptr; char *ptr;
@ -565,7 +565,7 @@ int set_sd_defaults_from_token( struct object *obj, const struct security_descri
else if (token) else if (token)
{ {
owner = token_get_user( token ); owner = token_get_user( token );
new_sd.owner_len = security_sid_len( owner ); new_sd.owner_len = sid_len( owner );
} }
else new_sd.owner_len = 0; else new_sd.owner_len = 0;
@ -582,7 +582,7 @@ int set_sd_defaults_from_token( struct object *obj, const struct security_descri
else if (token) else if (token)
{ {
group = token_get_primary_group( token ); group = token_get_primary_group( token );
new_sd.group_len = security_sid_len( group ); new_sd.group_len = sid_len( group );
} }
else new_sd.group_len = 0; else new_sd.group_len = 0;

16
server/process.c
View File

@ -735,7 +735,7 @@ struct process *create_process( int fd, struct process *parent, unsigned int fla
/* Assign a high security label to the token. The default would be medium /* Assign a high security label to the token. The default would be medium
* but Wine provides admin access to all applications right now so high * but Wine provides admin access to all applications right now so high
* makes more sense for the time being. */ * makes more sense for the time being. */
if (!token_assign_label( process->token, security_high_label_sid )) if (!token_assign_label( process->token, &high_label_sid ))
goto error; goto error;
set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */ set_fd_events( process->msg_fd, POLLIN ); /* start listening to events */
@ -825,8 +825,9 @@ static struct security_descriptor *process_get_sd( struct object *obj )
{ {
struct ace *ace; struct ace *ace;
struct acl *dacl; struct acl *dacl;
size_t users_sid_len = security_sid_len( security_domain_users_sid ); struct sid *sid;
size_t admins_sid_len = security_sid_len( security_builtin_admins_sid ); size_t users_sid_len = sid_len( &domain_users_sid );
size_t admins_sid_len = sid_len( &builtin_admins_sid );
size_t dacl_len = sizeof(*dacl) + 2 * sizeof(*ace) + users_sid_len + admins_sid_len; size_t dacl_len = sizeof(*dacl) + 2 * sizeof(*ace) + users_sid_len + admins_sid_len;
process_default_sd = mem_alloc( sizeof(*process_default_sd) + admins_sid_len + users_sid_len process_default_sd = mem_alloc( sizeof(*process_default_sd) + admins_sid_len + users_sid_len
@ -836,8 +837,9 @@ static struct security_descriptor *process_get_sd( struct object *obj )
process_default_sd->group_len = users_sid_len; process_default_sd->group_len = users_sid_len;
process_default_sd->sacl_len = 0; process_default_sd->sacl_len = 0;
process_default_sd->dacl_len = dacl_len; process_default_sd->dacl_len = dacl_len;
memcpy( process_default_sd + 1, security_builtin_admins_sid, admins_sid_len ); sid = (struct sid *)(process_default_sd + 1);
memcpy( (char *)(process_default_sd + 1) + admins_sid_len, security_domain_users_sid, users_sid_len ); sid = copy_sid( sid, &builtin_admins_sid );
sid = copy_sid( sid, &domain_users_sid );
dacl = (struct acl *)((char *)(process_default_sd + 1) + admins_sid_len + users_sid_len); dacl = (struct acl *)((char *)(process_default_sd + 1) + admins_sid_len + users_sid_len);
dacl->revision = ACL_REVISION; dacl->revision = ACL_REVISION;
@ -845,9 +847,9 @@ static struct security_descriptor *process_get_sd( struct object *obj )
dacl->size = dacl_len; dacl->size = dacl_len;
dacl->count = 2; dacl->count = 2;
dacl->pad2 = 0; dacl->pad2 = 0;
ace = set_ace( ace_first( dacl ), security_domain_users_sid, ACCESS_ALLOWED_ACE_TYPE, ace = set_ace( ace_first( dacl ), &domain_users_sid, ACCESS_ALLOWED_ACE_TYPE,
INHERIT_ONLY_ACE | CONTAINER_INHERIT_ACE, GENERIC_READ ); INHERIT_ONLY_ACE | CONTAINER_INHERIT_ACE, GENERIC_READ );
set_ace( ace_next( ace ), security_builtin_admins_sid, ACCESS_ALLOWED_ACE_TYPE, 0, PROCESS_ALL_ACCESS ); set_ace( ace_next( ace ), &builtin_admins_sid, ACCESS_ALLOWED_ACE_TYPE, 0, PROCESS_ALL_ACCESS );
} }
return process_default_sd; return process_default_sd;
} }

18
server/protocol.def
View File

@ -401,6 +401,14 @@ struct acl
unsigned short pad2; unsigned short pad2;
}; };
struct sid
{
unsigned char revision;
unsigned char sub_count;
unsigned char id_auth[6];
unsigned int sub_auth[15];
};
typedef struct typedef struct
{ {
unsigned int read; unsigned int read;
@ -418,8 +426,8 @@ struct security_descriptor
data_size_t group_len; data_size_t group_len;
data_size_t sacl_len; data_size_t sacl_len;
data_size_t dacl_len; data_size_t dacl_len;
/* VARARG(owner,SID); */ /* VARARG(owner,sid); */
/* VARARG(group,SID); */ /* VARARG(group,sid); */
/* VARARG(sacl,acl); */ /* VARARG(sacl,acl); */
/* VARARG(dacl,acl); */ /* VARARG(dacl,acl); */
}; };
@ -451,7 +459,7 @@ struct token_groups
{ {
unsigned int count; unsigned int count;
/* unsigned int attributes[count]; */ /* unsigned int attributes[count]; */
/* VARARG(sids,SID); */ /* VARARG(sids,sid); */
}; };
enum select_op enum select_op
@ -3138,7 +3146,7 @@ enum caret_state
unsigned int flags; /* flags */ unsigned int flags; /* flags */
data_size_t privileges_size; /* size of privileges */ data_size_t privileges_size; /* size of privileges */
VARARG(privileges,luid_attr,privileges_size); /* privileges to remove from new token */ VARARG(privileges,luid_attr,privileges_size); /* privileges to remove from new token */
VARARG(disable_sids,SID); /* array of groups to remove from new token */ VARARG(disable_sids,sid); /* array of groups to remove from new token */
@REPLY @REPLY
obj_handle_t new_handle; /* filtered handle */ obj_handle_t new_handle; /* filtered handle */
@END @END
@ -3160,7 +3168,7 @@ enum caret_state
unsigned int which_sid; /* which SID to retrieve from the token */ unsigned int which_sid; /* which SID to retrieve from the token */
@REPLY @REPLY
data_size_t sid_len; /* length needed to store sid */ data_size_t sid_len; /* length needed to store sid */
VARARG(sid,SID); /* the sid specified by which_sid from the token */ VARARG(sid,sid); /* the sid specified by which_sid from the token */
@END @END
@REQ(get_token_groups) @REQ(get_token_groups)

32
server/registry.c
View File

@ -371,8 +371,9 @@ static struct security_descriptor *key_get_sd( struct object *obj )
{ {
struct acl *dacl; struct acl *dacl;
struct ace *ace; struct ace *ace;
size_t users_sid_len = security_sid_len( security_builtin_users_sid ); struct sid *sid;
size_t admins_sid_len = security_sid_len( security_builtin_admins_sid ); size_t users_sid_len = sid_len( &builtin_users_sid );
size_t admins_sid_len = sid_len( &builtin_admins_sid );
size_t dacl_len = sizeof(*dacl) + 2 * sizeof(*ace) + users_sid_len + admins_sid_len; size_t dacl_len = sizeof(*dacl) + 2 * sizeof(*ace) + users_sid_len + admins_sid_len;
key_default_sd = mem_alloc( sizeof(*key_default_sd) + 2 * admins_sid_len + dacl_len ); key_default_sd = mem_alloc( sizeof(*key_default_sd) + 2 * admins_sid_len + dacl_len );
@ -381,8 +382,9 @@ static struct security_descriptor *key_get_sd( struct object *obj )
key_default_sd->group_len = admins_sid_len; key_default_sd->group_len = admins_sid_len;
key_default_sd->sacl_len = 0; key_default_sd->sacl_len = 0;
key_default_sd->dacl_len = dacl_len; key_default_sd->dacl_len = dacl_len;
memcpy( key_default_sd + 1, security_builtin_admins_sid, admins_sid_len ); sid = (struct sid *)(key_default_sd + 1);
memcpy( (char *)(key_default_sd + 1) + admins_sid_len, security_builtin_admins_sid, admins_sid_len ); sid = copy_sid( sid, &builtin_admins_sid );
sid = copy_sid( sid, &builtin_admins_sid );
dacl = (struct acl *)((char *)(key_default_sd + 1) + 2 * admins_sid_len); dacl = (struct acl *)((char *)(key_default_sd + 1) + 2 * admins_sid_len);
dacl->revision = ACL_REVISION; dacl->revision = ACL_REVISION;
@ -390,9 +392,9 @@ static struct security_descriptor *key_get_sd( struct object *obj )
dacl->size = dacl_len; dacl->size = dacl_len;
dacl->count = 2; dacl->count = 2;
dacl->pad2 = 0; dacl->pad2 = 0;
ace = set_ace( ace_first( dacl ), security_builtin_users_sid, ACCESS_ALLOWED_ACE_TYPE, ace = set_ace( ace_first( dacl ), &builtin_users_sid, ACCESS_ALLOWED_ACE_TYPE,
INHERIT_ONLY_ACE | CONTAINER_INHERIT_ACE, GENERIC_READ ); INHERIT_ONLY_ACE | CONTAINER_INHERIT_ACE, GENERIC_READ );
set_ace( ace_next( ace ), security_builtin_admins_sid, ACCESS_ALLOWED_ACE_TYPE, 0, KEY_ALL_ACCESS ); set_ace( ace_next( ace ), &builtin_admins_sid, ACCESS_ALLOWED_ACE_TYPE, 0, KEY_ALL_ACCESS );
} }
return key_default_sd; return key_default_sd;
} }
@ -1791,17 +1793,17 @@ static int load_init_registry_from_file( const char *filename, struct key *key )
return (f != NULL); return (f != NULL);
} }
static WCHAR *format_user_registry_path( const SID *sid, struct unicode_str *path ) static WCHAR *format_user_registry_path( const struct sid *sid, struct unicode_str *path )
{ {
char buffer[7 + 11 + 11 + 11 * SID_MAX_SUB_AUTHORITIES], *p = buffer; char buffer[7 + 11 + 11 + 11 * ARRAY_SIZE(sid->sub_auth)], *p = buffer;
unsigned int i; unsigned int i;
p += sprintf( p, "User\\S-%u-%u", sid->Revision, p += sprintf( p, "User\\S-%u-%u", sid->revision,
MAKELONG( MAKEWORD( sid->IdentifierAuthority.Value[5], ((unsigned int)sid->id_auth[2] << 24) |
sid->IdentifierAuthority.Value[4] ), ((unsigned int)sid->id_auth[3] << 16) |
MAKEWORD( sid->IdentifierAuthority.Value[3], ((unsigned int)sid->id_auth[4] << 8) |
sid->IdentifierAuthority.Value[2] ))); ((unsigned int)sid->id_auth[5]) );
for (i = 0; i < sid->SubAuthorityCount; i++) p += sprintf( p, "-%u", sid->SubAuthority[i] ); for (i = 0; i < sid->sub_count; i++) p += sprintf( p, "-%u", sid->sub_auth[i] );
return ascii_to_unicode_str( buffer, path ); return ascii_to_unicode_str( buffer, path );
} }
@ -1900,7 +1902,7 @@ void init_registry(void)
/* load user.reg into HKEY_CURRENT_USER */ /* load user.reg into HKEY_CURRENT_USER */
/* FIXME: match default user in token.c. should get from process token instead */ /* FIXME: match default user in token.c. should get from process token instead */
current_user_path = format_user_registry_path( security_local_user_sid, &current_user_str ); current_user_path = format_user_registry_path( &local_user_sid, &current_user_str );
if (!current_user_path || if (!current_user_path ||
!(hkcu = create_key_recursive( root_key, &current_user_str, current_time ))) !(hkcu = create_key_recursive( root_key, &current_user_str, current_time )))
fatal_error( "could not create HKEY_CURRENT_USER registry key\n" ); fatal_error( "could not create HKEY_CURRENT_USER registry key\n" );

59
server/security.h
View File

@ -44,13 +44,13 @@ extern const struct luid SeManageVolumePrivilege;
extern const struct luid SeImpersonatePrivilege; extern const struct luid SeImpersonatePrivilege;
extern const struct luid SeCreateGlobalPrivilege; extern const struct luid SeCreateGlobalPrivilege;
extern const PSID security_world_sid; extern const struct sid world_sid;
extern const PSID security_local_user_sid; extern const struct sid local_user_sid;
extern const PSID security_local_system_sid; extern const struct sid local_system_sid;
extern const PSID security_builtin_users_sid; extern const struct sid builtin_users_sid;
extern const PSID security_builtin_admins_sid; extern const struct sid builtin_admins_sid;
extern const PSID security_domain_users_sid; extern const struct sid domain_users_sid;
extern const PSID security_high_label_sid; extern const struct sid high_label_sid;
struct ace struct ace
{ {
@ -64,19 +64,19 @@ struct ace
extern struct token *get_token_obj( struct process *process, obj_handle_t handle, unsigned int access ); extern struct token *get_token_obj( struct process *process, obj_handle_t handle, unsigned int access );
extern struct token *token_create_admin( unsigned primary, int impersonation_level, int elevation, unsigned int session_id ); extern struct token *token_create_admin( unsigned primary, int impersonation_level, int elevation, unsigned int session_id );
extern int token_assign_label( struct token *token, PSID label ); extern int token_assign_label( struct token *token, const struct sid *label );
extern struct token *token_duplicate( struct token *src_token, unsigned primary, extern struct token *token_duplicate( struct token *src_token, unsigned primary,
int impersonation_level, const struct security_descriptor *sd, int impersonation_level, const struct security_descriptor *sd,
const struct luid_attr *remove_privs, unsigned int remove_priv_count, const struct luid_attr *remove_privs, unsigned int remove_priv_count,
const SID *remove_groups, unsigned int remove_group_count ); const struct sid *remove_groups, unsigned int remove_group_count );
extern int token_check_privileges( struct token *token, int all_required, extern int token_check_privileges( struct token *token, int all_required,
const struct luid_attr *reqprivs, const struct luid_attr *reqprivs,
unsigned int count, struct luid_attr *usedprivs ); unsigned int count, struct luid_attr *usedprivs );
extern const struct acl *token_get_default_dacl( struct token *token ); extern const struct acl *token_get_default_dacl( struct token *token );
extern const SID *token_get_user( struct token *token ); extern const struct sid *token_get_user( struct token *token );
extern const SID *token_get_primary_group( struct token *token ); extern const struct sid *token_get_primary_group( struct token *token );
extern unsigned int token_get_session_id( struct token *token ); extern unsigned int token_get_session_id( struct token *token );
extern int token_sid_present( struct token *token, const SID *sid, int deny); extern int token_sid_present( struct token *token, const struct sid *sid, int deny );
static inline struct ace *ace_first( const struct acl *acl ) static inline struct ace *ace_first( const struct acl *acl )
{ {
@ -88,35 +88,40 @@ static inline struct ace *ace_next( const struct ace *ace )
return (struct ace *)((char *)ace + ace->size); return (struct ace *)((char *)ace + ace->size);
} }
static inline size_t security_sid_len( const SID *sid ) static inline size_t sid_len( const struct sid *sid )
{ {
return offsetof( SID, SubAuthority[sid->SubAuthorityCount] ); return offsetof( struct sid, sub_auth[sid->sub_count] );
} }
static inline int security_equal_sid( const SID *sid1, const SID *sid2 ) static inline int equal_sid( const struct sid *sid1, const struct sid *sid2 )
{ {
return ((sid1->SubAuthorityCount == sid2->SubAuthorityCount) && return ((sid1->sub_count == sid2->sub_count) && !memcmp( sid1, sid2, sid_len( sid1 )));
!memcmp( sid1, sid2, security_sid_len( sid1 )));
} }
static inline int sid_valid_size( const SID *sid, data_size_t size ) static inline void *copy_sid( struct sid *dst, const struct sid *src )
{ {
return (size >= offsetof( SID, SubAuthority[0] ) && size >= security_sid_len( sid )); memcpy( dst, src, sid_len( src ));
return (char *)dst + sid_len( src );
} }
static inline struct ace *set_ace( struct ace *ace, const SID *sid, unsigned char type, static inline int sid_valid_size( const struct sid *sid, data_size_t size )
{
return (size >= offsetof( struct sid, sub_auth[0] ) && size >= sid_len( sid ));
}
static inline struct ace *set_ace( struct ace *ace, const struct sid *sid, unsigned char type,
unsigned char flags, unsigned int mask ) unsigned char flags, unsigned int mask )
{ {
ace->type = type; ace->type = type;
ace->flags = flags; ace->flags = flags;
ace->size = sizeof(*ace) + security_sid_len( sid ); ace->size = sizeof(*ace) + sid_len( sid );
ace->mask = mask; ace->mask = mask;
memcpy( ace + 1, sid, security_sid_len( sid )); memcpy( ace + 1, sid, sid_len( sid ));
return ace; return ace;
} }
extern void security_set_thread_token( struct thread *thread, obj_handle_t handle ); extern void security_set_thread_token( struct thread *thread, obj_handle_t handle );
extern const SID *security_unix_uid_to_sid( uid_t uid ); extern const struct sid *security_unix_uid_to_sid( uid_t uid );
extern int check_object_access( struct token *token, struct object *obj, unsigned int *access ); extern int check_object_access( struct token *token, struct object *obj, unsigned int *access );
static inline int thread_single_check_privilege( struct thread *thread, struct luid priv ) static inline int thread_single_check_privilege( struct thread *thread, struct luid priv )
@ -161,19 +166,19 @@ static inline const struct acl *sd_get_sacl( const struct security_descriptor *s
} }
/* gets the owner from a security descriptor */ /* gets the owner from a security descriptor */
static inline const SID *sd_get_owner( const struct security_descriptor *sd ) static inline const struct sid *sd_get_owner( const struct security_descriptor *sd )
{ {
if (sd->owner_len) if (sd->owner_len)
return (const SID *)(sd + 1); return (const struct sid *)(sd + 1);
else else
return NULL; return NULL;
} }
/* gets the primary group from a security descriptor */ /* gets the primary group from a security descriptor */
static inline const SID *sd_get_group( const struct security_descriptor *sd ) static inline const struct sid *sd_get_group( const struct security_descriptor *sd )
{ {
if (sd->group_len) if (sd->group_len)
return (const SID *)((const char *)(sd + 1) + sd->owner_len); return (const struct sid *)((const char *)(sd + 1) + sd->owner_len);
else else
return NULL; return NULL;
} }

286
server/token.c
View File

@ -66,38 +66,23 @@ const struct luid SeCreateGlobalPrivilege = { 30, 0 };
struct sid_attrs struct sid_attrs
{ {
const SID *sid; const struct sid *sid;
unsigned int attrs; unsigned int attrs;
}; };
#define SID_N(n) struct /* same fields as struct SID */ \ const struct sid world_sid = { SID_REVISION, 1, SECURITY_WORLD_SID_AUTHORITY, { SECURITY_WORLD_RID } };
{ \ const struct sid local_system_sid = { SID_REVISION, 1, SECURITY_NT_AUTHORITY, { SECURITY_LOCAL_SYSTEM_RID } };
BYTE Revision; \ const struct sid high_label_sid = { SID_REVISION, 1, SECURITY_MANDATORY_LABEL_AUTHORITY, { SECURITY_MANDATORY_HIGH_RID } };
BYTE SubAuthorityCount; \ const struct sid local_user_sid = { SID_REVISION, 5, SECURITY_NT_AUTHORITY, { SECURITY_NT_NON_UNIQUE, 0, 0, 0, 1000 } };
SID_IDENTIFIER_AUTHORITY IdentifierAuthority; \ const struct sid builtin_admins_sid = { SID_REVISION, 2, SECURITY_NT_AUTHORITY, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS } };
DWORD SubAuthority[n]; \ const struct sid builtin_users_sid = { SID_REVISION, 2, SECURITY_NT_AUTHORITY, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_USERS } };
} const struct sid domain_users_sid = { SID_REVISION, 5, SECURITY_NT_AUTHORITY, { SECURITY_NT_NON_UNIQUE, 0, 0, 0, DOMAIN_GROUP_RID_USERS } };
static const SID world_sid = { SID_REVISION, 1, { SECURITY_WORLD_SID_AUTHORITY }, { SECURITY_WORLD_RID } }; static const struct sid local_sid = { SID_REVISION, 1, SECURITY_LOCAL_SID_AUTHORITY, { SECURITY_LOCAL_RID } };
static const SID local_sid = { SID_REVISION, 1, { SECURITY_LOCAL_SID_AUTHORITY }, { SECURITY_LOCAL_RID } }; static const struct sid interactive_sid = { SID_REVISION, 1, SECURITY_NT_AUTHORITY, { SECURITY_INTERACTIVE_RID } };
static const SID interactive_sid = { SID_REVISION, 1, { SECURITY_NT_AUTHORITY }, { SECURITY_INTERACTIVE_RID } }; static const struct sid anonymous_logon_sid = { SID_REVISION, 1, SECURITY_NT_AUTHORITY, { SECURITY_ANONYMOUS_LOGON_RID } };
static const SID anonymous_logon_sid = { SID_REVISION, 1, { SECURITY_NT_AUTHORITY }, { SECURITY_ANONYMOUS_LOGON_RID } }; static const struct sid authenticated_user_sid = { SID_REVISION, 1, SECURITY_NT_AUTHORITY, { SECURITY_AUTHENTICATED_USER_RID } };
static const SID authenticated_user_sid = { SID_REVISION, 1, { SECURITY_NT_AUTHORITY }, { SECURITY_AUTHENTICATED_USER_RID } }; static const struct sid builtin_logon_sid = { SID_REVISION, 3, SECURITY_NT_AUTHORITY, { SECURITY_LOGON_IDS_RID, 0, 0 } };
static const SID local_system_sid = { SID_REVISION, 1, { SECURITY_NT_AUTHORITY }, { SECURITY_LOCAL_SYSTEM_RID } };
static const SID high_label_sid = { SID_REVISION, 1, { SECURITY_MANDATORY_LABEL_AUTHORITY }, { SECURITY_MANDATORY_HIGH_RID } };
static const SID_N(5) local_user_sid = { SID_REVISION, 5, { SECURITY_NT_AUTHORITY }, { SECURITY_NT_NON_UNIQUE, 0, 0, 0, 1000 } };
static const SID_N(2) builtin_admins_sid = { SID_REVISION, 2, { SECURITY_NT_AUTHORITY }, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS } };
static const SID_N(2) builtin_users_sid = { SID_REVISION, 2, { SECURITY_NT_AUTHORITY }, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_USERS } };
static const SID_N(3) builtin_logon_sid = { SID_REVISION, 3, { SECURITY_NT_AUTHORITY }, { SECURITY_LOGON_IDS_RID, 0, 0 } };
static const SID_N(5) domain_users_sid = { SID_REVISION, 5, { SECURITY_NT_AUTHORITY }, { SECURITY_NT_NON_UNIQUE, 0, 0, 0, DOMAIN_GROUP_RID_USERS } };
const PSID security_world_sid = (PSID)&world_sid;
const PSID security_local_system_sid = (PSID)&local_system_sid;
const PSID security_local_user_sid = (PSID)&local_user_sid;
const PSID security_builtin_admins_sid = (PSID)&builtin_admins_sid;
const PSID security_builtin_users_sid = (PSID)&builtin_users_sid;
const PSID security_domain_users_sid = (PSID)&domain_users_sid;
const PSID security_high_label_sid = (PSID)&high_label_sid;
static struct luid prev_luid_value = { 1000, 0 }; static struct luid prev_luid_value = { 1000, 0 };
@ -123,13 +108,12 @@ struct token
struct luid modified_id; /* new id allocated every time token is modified */ struct luid modified_id; /* new id allocated every time token is modified */
struct list privileges; /* privileges available to the token */ struct list privileges; /* privileges available to the token */
struct list groups; /* groups that the user of this token belongs to (sid_and_attributes) */ struct list groups; /* groups that the user of this token belongs to (sid_and_attributes) */
SID *user; /* SID of user this token represents */ struct sid *user; /* SID of user this token represents */
SID *owner; /* SID of owner (points to user or one of groups) */ struct sid *owner; /* SID of owner (points to user or one of groups) */
SID *primary_group; /* SID of user's primary group (points to one of groups) */ struct sid *primary_group; /* SID of user's primary group (points to one of groups) */
unsigned int primary; /* is this a primary or impersonation token? */ unsigned int primary; /* is this a primary or impersonation token? */
unsigned int session_id; /* token session id */ unsigned int session_id; /* token session id */
struct acl *default_dacl; /* the default DACL to assign to objects created by this user */ struct acl *default_dacl; /* the default DACL to assign to objects created by this user */
TOKEN_SOURCE source; /* source of the token */
int impersonation_level; /* impersonation level this token is capable of if non-primary token */ int impersonation_level; /* impersonation level this token is capable of if non-primary token */
int elevation; /* elevation type */ int elevation; /* elevation type */
}; };
@ -152,7 +136,7 @@ struct group
unsigned owner : 1; /* can this sid be an owner of an object? */ unsigned owner : 1; /* can this sid be an owner of an object? */
unsigned resource : 1; /* is this a domain-local group? */ unsigned resource : 1; /* is this a domain-local group? */
unsigned deny_only: 1; /* is this a sid that should be use for denying only? */ unsigned deny_only: 1; /* is this a sid that should be use for denying only? */
SID sid; struct sid sid;
}; };
static void token_dump( struct object *obj, int verbose ); static void token_dump( struct object *obj, int verbose );
@ -190,19 +174,6 @@ static void token_dump( struct object *obj, int verbose )
token->token_id.low_part, token->primary, token->impersonation_level ); token->token_id.low_part, token->primary, token->impersonation_level );
} }
static SID *security_sid_alloc( const SID_IDENTIFIER_AUTHORITY *idauthority, int subauthcount, const unsigned int subauth[] )
{
int i;
SID *sid = mem_alloc( FIELD_OFFSET(SID, SubAuthority[subauthcount]) );
if (!sid) return NULL;
sid->Revision = SID_REVISION;
sid->SubAuthorityCount = subauthcount;
sid->IdentifierAuthority = *idauthority;
for (i = 0; i < subauthcount; i++)
sid->SubAuthority[i] = subauth[i];
return sid;
}
void security_set_thread_token( struct thread *thread, obj_handle_t handle ) void security_set_thread_token( struct thread *thread, obj_handle_t handle )
{ {
if (!handle) if (!handle)
@ -226,11 +197,11 @@ void security_set_thread_token( struct thread *thread, obj_handle_t handle )
} }
} }
const SID *security_unix_uid_to_sid( uid_t uid ) const struct sid *security_unix_uid_to_sid( uid_t uid )
{ {
/* very simple mapping: either the current user or not the current user */ /* very simple mapping: either the current user or not the current user */
if (uid == getuid()) if (uid == getuid())
return (const SID *)&local_user_sid; return &local_user_sid;
else else
return &anonymous_logon_sid; return &anonymous_logon_sid;
} }
@ -260,21 +231,20 @@ static int acl_is_valid( const struct acl *acl, data_size_t size )
default: default:
return FALSE; return FALSE;
} }
if (!sid_valid_size( (const SID *)(ace + 1), ace->size - sizeof(*ace) )) return FALSE; if (!sid_valid_size( (const struct sid *)(ace + 1), ace->size - sizeof(*ace) )) return FALSE;
} }
return TRUE; return TRUE;
} }
static unsigned int get_sid_count( const SID *sid, data_size_t size ) static unsigned int get_sid_count( const struct sid *sid, data_size_t size )
{ {
unsigned int count; unsigned int count;
for (count = 0; size >= sizeof(SID) && security_sid_len( sid ) <= size; count++) for (count = 0; sid_valid_size( sid, size ); count++)
{ {
size -= security_sid_len( sid ); size -= sid_len( sid );
sid = (const SID *)((char *)sid + security_sid_len( sid )); sid = (const struct sid *)((char *)sid + sid_len( sid ));
} }
return count; return count;
} }
@ -283,8 +253,8 @@ static unsigned int get_sid_count( const SID *sid, data_size_t size )
int sd_is_valid( const struct security_descriptor *sd, data_size_t size ) int sd_is_valid( const struct security_descriptor *sd, data_size_t size )
{ {
size_t offset = sizeof(struct security_descriptor); size_t offset = sizeof(struct security_descriptor);
const SID *group; const struct sid *group;
const SID *owner; const struct sid *owner;
const struct acl *sacl; const struct acl *sacl;
const struct acl *dacl; const struct acl *dacl;
int dummy; int dummy;
@ -292,27 +262,15 @@ int sd_is_valid( const struct security_descriptor *sd, data_size_t size )
if (size < offset) if (size < offset)
return FALSE; return FALSE;
if ((sd->owner_len >= FIELD_OFFSET(SID, SubAuthority[255])) || if (sd->owner_len >= offsetof(struct sid, sub_auth[255]) || offset + sd->owner_len > size) return FALSE;
(offset + sd->owner_len > size))
return FALSE;
owner = sd_get_owner( sd ); owner = sd_get_owner( sd );
if (owner)
{
if ((sd->owner_len < sizeof(SID)) || (security_sid_len( owner ) > sd->owner_len))
return FALSE;
}
offset += sd->owner_len; offset += sd->owner_len;
if (owner && !sid_valid_size( owner, sd->owner_len )) return FALSE;
if ((sd->group_len >= FIELD_OFFSET(SID, SubAuthority[255])) || if (sd->group_len >= offsetof(struct sid, sub_auth[255]) || offset + sd->group_len > size) return FALSE;
(offset + sd->group_len > size))
return FALSE;
group = sd_get_group( sd ); group = sd_get_group( sd );
if (group)
{
if ((sd->group_len < sizeof(SID)) || (security_sid_len( group ) > sd->group_len))
return FALSE;
}
offset += sd->group_len; offset += sd->group_len;
if (group && !sid_valid_size( group, sd->group_len )) return FALSE;
if ((sd->sacl_len >= MAX_ACL_LEN) || (offset + sd->sacl_len > size)) if ((sd->sacl_len >= MAX_ACL_LEN) || (offset + sd->sacl_len > size))
return FALSE; return FALSE;
@ -517,11 +475,10 @@ static void token_destroy( struct object *obj )
* modified_id may be NULL, indicating that a new modified_id luid should be * modified_id may be NULL, indicating that a new modified_id luid should be
* allocated. * allocated.
*/ */
static struct token *create_token( unsigned int primary, unsigned int session_id, const SID *user, static struct token *create_token( unsigned int primary, unsigned int session_id, const struct sid *user,
const struct sid_attrs *groups, unsigned int group_count, const struct sid_attrs *groups, unsigned int group_count,
const struct luid_attr *privs, unsigned int priv_count, const struct luid_attr *privs, unsigned int priv_count,
const struct acl *default_dacl, TOKEN_SOURCE source, const struct acl *default_dacl, const struct luid *modified_id,
const struct luid *modified_id,
int impersonation_level, int elevation ) int impersonation_level, int elevation )
{ {
struct token *token = alloc_object( &token_ops ); struct token *token = alloc_object( &token_ops );
@ -548,7 +505,7 @@ static struct token *create_token( unsigned int primary, unsigned int session_id
token->elevation = elevation; token->elevation = elevation;
/* copy user */ /* copy user */
token->user = memdup( user, security_sid_len( user )); token->user = memdup( user, sid_len( user ));
if (!token->user) if (!token->user)
{ {
release_object( token ); release_object( token );
@ -558,7 +515,7 @@ static struct token *create_token( unsigned int primary, unsigned int session_id
/* copy groups */ /* copy groups */
for (i = 0; i < group_count; i++) for (i = 0; i < group_count; i++)
{ {
size_t size = FIELD_OFFSET( struct group, sid.SubAuthority[groups[i].sid->SubAuthorityCount] ); size_t size = offsetof( struct group, sid.sub_auth[groups[i].sid->sub_count] );
struct group *group = mem_alloc( size ); struct group *group = mem_alloc( size );
if (!group) if (!group)
@ -566,7 +523,7 @@ static struct token *create_token( unsigned int primary, unsigned int session_id
release_object( token ); release_object( token );
return NULL; return NULL;
} }
memcpy( &group->sid, groups[i].sid, security_sid_len( groups[i].sid )); copy_sid( &group->sid, groups[i].sid );
group->enabled = TRUE; group->enabled = TRUE;
group->def = TRUE; group->def = TRUE;
group->logon = (groups[i].attrs & SE_GROUP_LOGON_ID) != 0; group->logon = (groups[i].attrs & SE_GROUP_LOGON_ID) != 0;
@ -604,20 +561,18 @@ static struct token *create_token( unsigned int primary, unsigned int session_id
return NULL; return NULL;
} }
} }
token->source = source;
} }
return token; return token;
} }
static int filter_group( struct group *group, const SID *filter, unsigned int count ) static int filter_group( struct group *group, const struct sid *filter, unsigned int count )
{ {
unsigned int i; unsigned int i;
for (i = 0; i < count; i++) for (i = 0; i < count; i++)
{ {
if (security_equal_sid( &group->sid, filter )) return 1; if (equal_sid( &group->sid, filter )) return 1;
filter = (const SID *)((char *)filter + security_sid_len( filter )); filter = (const struct sid *)((char *)filter + sid_len( filter ));
} }
return 0; return 0;
@ -636,7 +591,7 @@ static int filter_privilege( struct privilege *privilege, const struct luid_attr
struct token *token_duplicate( struct token *src_token, unsigned primary, struct token *token_duplicate( struct token *src_token, unsigned primary,
int impersonation_level, const struct security_descriptor *sd, int impersonation_level, const struct security_descriptor *sd,
const struct luid_attr *remove_privs, unsigned int remove_priv_count, const struct luid_attr *remove_privs, unsigned int remove_priv_count,
const SID *remove_groups, unsigned int remove_group_count) const struct sid *remove_groups, unsigned int remove_group_count)
{ {
const struct luid *modified_id = const struct luid *modified_id =
primary || (impersonation_level == src_token->impersonation_level) ? primary || (impersonation_level == src_token->impersonation_level) ?
@ -655,8 +610,7 @@ struct token *token_duplicate( struct token *src_token, unsigned primary,
} }
token = create_token( primary, src_token->session_id, src_token->user, NULL, 0, token = create_token( primary, src_token->session_id, src_token->user, NULL, 0,
NULL, 0, src_token->default_dacl, NULL, 0, src_token->default_dacl, modified_id,
src_token->source, modified_id,
impersonation_level, src_token->elevation ); impersonation_level, src_token->elevation );
if (!token) return token; if (!token) return token;
@ -664,7 +618,7 @@ struct token *token_duplicate( struct token *src_token, unsigned primary,
token->primary_group = NULL; token->primary_group = NULL;
LIST_FOR_EACH_ENTRY( group, &src_token->groups, struct group, entry ) LIST_FOR_EACH_ENTRY( group, &src_token->groups, struct group, entry )
{ {
size_t size = FIELD_OFFSET( struct group, sid.SubAuthority[group->sid.SubAuthorityCount] ); size_t size = offsetof( struct group, sid.sub_auth[group->sid.sub_count] );
struct group *newgroup = mem_alloc( size ); struct group *newgroup = mem_alloc( size );
if (!newgroup) if (!newgroup)
{ {
@ -704,12 +658,12 @@ struct token *token_duplicate( struct token *src_token, unsigned primary,
return token; return token;
} }
static struct acl *create_default_dacl( const SID *user ) static struct acl *create_default_dacl( const struct sid *user )
{ {
struct ace *ace; struct ace *ace;
struct acl *default_dacl; struct acl *default_dacl;
size_t default_dacl_size = sizeof(*default_dacl) + 2 * sizeof(*ace) + size_t default_dacl_size = sizeof(*default_dacl) + 2 * sizeof(*ace) +
sizeof(local_system_sid) + security_sid_len( user ); sid_len( &local_system_sid ) + sid_len( user );
default_dacl = mem_alloc( default_dacl_size ); default_dacl = mem_alloc( default_dacl_size );
if (!default_dacl) return NULL; if (!default_dacl) return NULL;
@ -735,13 +689,13 @@ struct sid_data
unsigned int subauth[MAX_SUBAUTH_COUNT]; unsigned int subauth[MAX_SUBAUTH_COUNT];
}; };
static struct security_descriptor *create_security_label_sd( struct token *token, PSID label_sid ) static struct security_descriptor *create_security_label_sd( struct token *token, const struct sid *label_sid )
{ {
size_t sid_len = security_sid_len( label_sid ), sacl_size, sd_size; size_t sid_size = sid_len( label_sid ), sacl_size, sd_size;
struct security_descriptor *sd; struct security_descriptor *sd;
struct acl *sacl; struct acl *sacl;
sacl_size = sizeof(*sacl) + sizeof(struct ace) + sid_len; sacl_size = sizeof(*sacl) + sizeof(struct ace) + sid_size;
sd_size = sizeof(struct security_descriptor) + sacl_size; sd_size = sizeof(struct security_descriptor) + sacl_size;
if (!(sd = mem_alloc( sd_size ))) if (!(sd = mem_alloc( sd_size )))
return NULL; return NULL;
@ -765,7 +719,7 @@ static struct security_descriptor *create_security_label_sd( struct token *token
return sd; return sd;
} }
int token_assign_label( struct token *token, PSID label ) int token_assign_label( struct token *token, const struct sid *label )
{ {
struct security_descriptor *sd; struct security_descriptor *sd;
int ret = 0; int ret = 0;
@ -787,75 +741,57 @@ struct token *get_token_obj( struct process *process, obj_handle_t handle, unsig
struct token *token_create_admin( unsigned primary, int impersonation_level, int elevation, unsigned int session_id ) struct token *token_create_admin( unsigned primary, int impersonation_level, int elevation, unsigned int session_id )
{ {
struct token *token = NULL; struct token *token = NULL;
static const SID_IDENTIFIER_AUTHORITY nt_authority = { SECURITY_NT_AUTHORITY }; struct sid alias_admins_sid = { SID_REVISION, 2, SECURITY_NT_AUTHORITY, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS }};
static const unsigned int alias_admins_subauth[] = { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_ADMINS }; struct sid alias_users_sid = { SID_REVISION, 2, SECURITY_NT_AUTHORITY, { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_USERS }};
static const unsigned int alias_users_subauth[] = { SECURITY_BUILTIN_DOMAIN_RID, DOMAIN_ALIAS_RID_USERS };
/* on Windows, this value changes every time the user logs on */ /* on Windows, this value changes every time the user logs on */
static const unsigned int logon_subauth[] = { SECURITY_LOGON_IDS_RID, 0, 1 /* FIXME: should be randomly generated when tokens are inherited by new processes */ }; struct sid logon_sid = { SID_REVISION, 3, SECURITY_NT_AUTHORITY, { SECURITY_LOGON_IDS_RID, 0, 1 /* FIXME: should be randomly generated when tokens are inherited by new processes */ }};
PSID alias_admins_sid; const struct sid *user_sid = security_unix_uid_to_sid( getuid() );
PSID alias_users_sid;
PSID logon_sid;
const SID *user_sid = security_unix_uid_to_sid( getuid() );
struct acl *default_dacl = create_default_dacl( user_sid ); struct acl *default_dacl = create_default_dacl( user_sid );
const struct luid_attr admin_privs[] =
alias_admins_sid = security_sid_alloc( &nt_authority, ARRAY_SIZE( alias_admins_subauth ),
alias_admins_subauth );
alias_users_sid = security_sid_alloc( &nt_authority, ARRAY_SIZE( alias_users_subauth ),
alias_users_subauth );
logon_sid = security_sid_alloc( &nt_authority, ARRAY_SIZE( logon_subauth ), logon_subauth );
if (alias_admins_sid && alias_users_sid && logon_sid && default_dacl)
{ {
const struct luid_attr admin_privs[] = { SeChangeNotifyPrivilege, SE_PRIVILEGE_ENABLED },
{ { SeTcbPrivilege, 0 },
{ SeChangeNotifyPrivilege , SE_PRIVILEGE_ENABLED }, { SeSecurityPrivilege, 0 },
{ SeTcbPrivilege , 0 }, { SeBackupPrivilege, 0 },
{ SeSecurityPrivilege , 0 }, { SeRestorePrivilege, 0 },
{ SeBackupPrivilege , 0 }, { SeSystemtimePrivilege, 0 },
{ SeRestorePrivilege , 0 }, { SeShutdownPrivilege, 0 },
{ SeSystemtimePrivilege , 0 }, { SeRemoteShutdownPrivilege, 0 },
{ SeShutdownPrivilege , 0 }, { SeTakeOwnershipPrivilege, 0 },
{ SeRemoteShutdownPrivilege , 0 }, { SeDebugPrivilege, 0 },
{ SeTakeOwnershipPrivilege , 0 }, { SeSystemEnvironmentPrivilege, 0 },
{ SeDebugPrivilege , 0 }, { SeSystemProfilePrivilege, 0 },
{ SeSystemEnvironmentPrivilege , 0 }, { SeProfileSingleProcessPrivilege, 0 },
{ SeSystemProfilePrivilege , 0 }, { SeIncreaseBasePriorityPrivilege, 0 },
{ SeProfileSingleProcessPrivilege, 0 }, { SeLoadDriverPrivilege, SE_PRIVILEGE_ENABLED },
{ SeIncreaseBasePriorityPrivilege, 0 }, { SeCreatePagefilePrivilege, 0 },
{ SeLoadDriverPrivilege , SE_PRIVILEGE_ENABLED }, { SeIncreaseQuotaPrivilege, 0 },
{ SeCreatePagefilePrivilege , 0 }, { SeUndockPrivilege, 0 },
{ SeIncreaseQuotaPrivilege , 0 }, { SeManageVolumePrivilege, 0 },
{ SeUndockPrivilege , 0 }, { SeImpersonatePrivilege, SE_PRIVILEGE_ENABLED },
{ SeManageVolumePrivilege , 0 }, { SeCreateGlobalPrivilege, SE_PRIVILEGE_ENABLED },
{ SeImpersonatePrivilege , SE_PRIVILEGE_ENABLED }, };
{ SeCreateGlobalPrivilege , SE_PRIVILEGE_ENABLED }, /* note: we don't include non-builtin groups here for the user -
}; * telling us these is the job of a client-side program */
/* note: we don't include non-builtin groups here for the user - const struct sid_attrs admin_groups[] =
* telling us these is the job of a client-side program */ {
const struct sid_attrs admin_groups[] = { &world_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY },
{ { &local_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY },
{ &world_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY }, { &interactive_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY },
{ &local_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY }, { &authenticated_user_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY },
{ &interactive_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY }, { &domain_users_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY|SE_GROUP_OWNER },
{ &authenticated_user_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY }, { &alias_admins_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY|SE_GROUP_OWNER },
{ (SID *)&domain_users_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY|SE_GROUP_OWNER }, { &alias_users_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY },
{ alias_admins_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY|SE_GROUP_OWNER }, { &logon_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY|SE_GROUP_LOGON_ID },
{ alias_users_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY }, };
{ logon_sid, SE_GROUP_ENABLED|SE_GROUP_ENABLED_BY_DEFAULT|SE_GROUP_MANDATORY|SE_GROUP_LOGON_ID },
}; token = create_token( primary, session_id, user_sid, admin_groups, ARRAY_SIZE( admin_groups ),
static const TOKEN_SOURCE admin_source = {"SeMgr", {0, 0}}; admin_privs, ARRAY_SIZE( admin_privs ), default_dacl,
token = create_token( primary, session_id, user_sid, admin_groups, ARRAY_SIZE( admin_groups ), NULL, impersonation_level, elevation );
admin_privs, ARRAY_SIZE( admin_privs ), default_dacl, /* we really need a primary group */
admin_source, NULL, impersonation_level, elevation ); assert( token->primary_group );
/* we really need a primary group */
assert( token->primary_group );
}
free( logon_sid );
free( alias_admins_sid );
free( alias_users_sid );
free( default_dacl ); free( default_dacl );
return token; return token;
} }
@ -944,18 +880,17 @@ int token_check_privileges( struct token *token, int all_required, const struct
return (enabled_count > 0); return (enabled_count > 0);
} }
int token_sid_present( struct token *token, const SID *sid, int deny ) int token_sid_present( struct token *token, const struct sid *sid, int deny )
{ {
struct group *group; struct group *group;
if (security_equal_sid( token->user, sid )) return TRUE; if (equal_sid( token->user, sid )) return TRUE;
LIST_FOR_EACH_ENTRY( group, &token->groups, struct group, entry ) LIST_FOR_EACH_ENTRY( group, &token->groups, struct group, entry )
{ {
if (!group->enabled) continue; if (!group->enabled) continue;
if (group->deny_only && !deny) continue; if (group->deny_only && !deny) continue;
if (equal_sid( &group->sid, sid )) return TRUE;
if (security_equal_sid( &group->sid, sid )) return TRUE;
} }
return FALSE; return FALSE;
@ -982,7 +917,7 @@ static unsigned int token_access_check( struct token *token,
const struct acl *dacl; const struct acl *dacl;
int dacl_present; int dacl_present;
const struct ace *ace; const struct ace *ace;
const SID *owner; const struct sid *owner;
/* assume no access rights */ /* assume no access rights */
*granted_access = 0; *granted_access = 0;
@ -1068,7 +1003,7 @@ static unsigned int token_access_check( struct token *token,
/* 4: Grant rights according to the DACL */ /* 4: Grant rights according to the DACL */
for (i = 0, ace = ace_first( dacl ); i < dacl->count; i++, ace = ace_next( ace )) for (i = 0, ace = ace_first( dacl ); i < dacl->count; i++, ace = ace_next( ace ))
{ {
const SID *sid = (const SID *)(ace + 1); const struct sid *sid = (const struct sid *)(ace + 1);
if (ace->flags & INHERIT_ONLY_ACE) continue; if (ace->flags & INHERIT_ONLY_ACE) continue;
@ -1123,12 +1058,12 @@ const struct acl *token_get_default_dacl( struct token *token )
return token->default_dacl; return token->default_dacl;
} }
const SID *token_get_user( struct token *token ) const struct sid *token_get_user( struct token *token )
{ {
return token->user; return token->user;
} }
const SID *token_get_primary_group( struct token *token ) const struct sid *token_get_primary_group( struct token *token )
{ {
return token->primary_group; return token->primary_group;
} }
@ -1311,11 +1246,11 @@ DECL_HANDLER(filter_token)
{ {
const struct luid_attr *filter_privileges = get_req_data(); const struct luid_attr *filter_privileges = get_req_data();
unsigned int priv_count, group_count; unsigned int priv_count, group_count;
const SID *filter_groups; const struct sid *filter_groups;
struct token *token; struct token *token;
priv_count = min( req->privileges_size, get_req_data_size() ) / sizeof(struct luid_attr); priv_count = min( req->privileges_size, get_req_data_size() ) / sizeof(struct luid_attr);
filter_groups = (const SID *)((char *)filter_privileges + priv_count * sizeof(struct luid_attr)); filter_groups = (const struct sid *)((char *)filter_privileges + priv_count * sizeof(struct luid_attr));
group_count = get_sid_count( filter_groups, get_req_data_size() - priv_count * sizeof(struct luid_attr) ); group_count = get_sid_count( filter_groups, get_req_data_size() - priv_count * sizeof(struct luid_attr) );
token = token_duplicate( src_token, src_token->primary, src_token->impersonation_level, NULL, token = token_duplicate( src_token, src_token->primary, src_token->impersonation_level, NULL,
@ -1418,7 +1353,7 @@ DECL_HANDLER(get_token_sid)
if ((token = (struct token *)get_handle_obj( current->process, req->handle, TOKEN_QUERY, &token_ops ))) if ((token = (struct token *)get_handle_obj( current->process, req->handle, TOKEN_QUERY, &token_ops )))
{ {
const SID *sid = NULL; const struct sid *sid = NULL;
switch (req->which_sid) switch (req->which_sid)
{ {
@ -1433,7 +1368,7 @@ DECL_HANDLER(get_token_sid)
sid = token->owner; sid = token->owner;
break; break;
case TokenLogonSid: case TokenLogonSid:
sid = (const SID *)&builtin_logon_sid; sid = &builtin_logon_sid;
break; break;
default: default:
set_error( STATUS_INVALID_PARAMETER ); set_error( STATUS_INVALID_PARAMETER );
@ -1442,7 +1377,7 @@ DECL_HANDLER(get_token_sid)
if (sid) if (sid)
{ {
reply->sid_len = security_sid_len( sid ); reply->sid_len = sid_len( sid );
if (reply->sid_len <= get_reply_max_size()) set_reply_data( sid, reply->sid_len ); if (reply->sid_len <= get_reply_max_size()) set_reply_data( sid, reply->sid_len );
else set_error( STATUS_BUFFER_TOO_SMALL ); else set_error( STATUS_BUFFER_TOO_SMALL );
} }
@ -1469,7 +1404,7 @@ DECL_HANDLER(get_token_groups)
LIST_FOR_EACH_ENTRY( group, &token->groups, const struct group, entry ) LIST_FOR_EACH_ENTRY( group, &token->groups, const struct group, entry )
{ {
group_count++; group_count++;
sid_size += security_sid_len( &group->sid ); sid_size += sid_len( &group->sid );
} }
size_needed += sid_size; size_needed += sid_size;
/* attributes size */ /* attributes size */
@ -1491,7 +1426,7 @@ DECL_HANDLER(get_token_groups)
if (tg) if (tg)
{ {
unsigned int *attr_ptr = (unsigned int *)(tg + 1); unsigned int *attr_ptr = (unsigned int *)(tg + 1);
SID *sid_ptr = (SID *)(attr_ptr + group_count); struct sid *sid = (struct sid *)(attr_ptr + group_count);
tg->count = group_count; tg->count = group_count;
@ -1506,10 +1441,7 @@ DECL_HANDLER(get_token_groups)
if (group->deny_only) *attr_ptr |= SE_GROUP_USE_FOR_DENY_ONLY; if (group->deny_only) *attr_ptr |= SE_GROUP_USE_FOR_DENY_ONLY;
if (group->resource) *attr_ptr |= SE_GROUP_RESOURCE; if (group->resource) *attr_ptr |= SE_GROUP_RESOURCE;
if (group->logon) *attr_ptr |= SE_GROUP_LOGON_ID; if (group->logon) *attr_ptr |= SE_GROUP_LOGON_ID;
sid = copy_sid( sid, &group->sid );
memcpy(sid_ptr, &group->sid, security_sid_len( &group->sid ));
sid_ptr = (SID *)((char *)sid_ptr + security_sid_len( &group->sid ));
attr_ptr++; attr_ptr++;
} }
} }

54
server/trace.c
View File

@ -1016,33 +1016,27 @@ static void dump_varargs_luid_attr( const char *prefix, data_size_t size )
remove_data( size ); remove_data( size );
} }
static void dump_inline_sid( const char *prefix, const SID *sid, data_size_t size ) static void dump_inline_sid( const char *prefix, const struct sid *sid, data_size_t size )
{ {
DWORD i; DWORD i;
/* security check */ fprintf( stderr,"%s", prefix );
if ((FIELD_OFFSET(SID, SubAuthority[0]) > size) || if (sid_valid_size( sid, size ))
(FIELD_OFFSET(SID, SubAuthority[sid->SubAuthorityCount]) > size))
{ {
fprintf( stderr, "<invalid sid>" ); fprintf( stderr, "S-%u-%u", sid->revision,
return; ((unsigned int)sid->id_auth[2] << 24) |
((unsigned int)sid->id_auth[3] << 16) |
((unsigned int)sid->id_auth[4] << 8) |
((unsigned int)sid->id_auth[5]) );
for (i = 0; i < sid->sub_count; i++) fprintf( stderr, "-%u", sid->sub_auth[i] );
} }
else fprintf( stderr, "<invalid>" );
fprintf( stderr,"%s{", prefix );
fprintf( stderr, "S-%u-%u", sid->Revision, MAKELONG(
MAKEWORD( sid->IdentifierAuthority.Value[5],
sid->IdentifierAuthority.Value[4] ),
MAKEWORD( sid->IdentifierAuthority.Value[3],
sid->IdentifierAuthority.Value[2] ) ) );
for (i = 0; i < sid->SubAuthorityCount; i++)
fprintf( stderr, "-%u", sid->SubAuthority[i] );
fputc( '}', stderr );
} }
static void dump_varargs_SID( const char *prefix, data_size_t size ) static void dump_varargs_sid( const char *prefix, data_size_t size )
{ {
const SID *sid = cur_data; const struct sid *sid = cur_data;
dump_inline_sid( prefix, sid, size ); if (size) dump_inline_sid( prefix, sid, size );
remove_data( size ); remove_data( size );
} }
@ -1062,7 +1056,7 @@ static void dump_inline_acl( const char *prefix, const struct acl *acl, data_siz
size -= sizeof(*acl); size -= sizeof(*acl);
for (i = 0, ace = ace_first( acl ); i < acl->count; i++, ace = ace_next( ace )) for (i = 0, ace = ace_first( acl ); i < acl->count; i++, ace = ace_next( ace ))
{ {
const SID *sid = (const SID *)(ace + 1); const struct sid *sid = (const struct sid *)(ace + 1);
data_size_t sid_size; data_size_t sid_size;
if (size < sizeof(*ace) || size < ace->size) break; if (size < sizeof(*ace) || size < ace->size) break;
@ -1104,17 +1098,17 @@ static void dump_inline_security_descriptor( const char *prefix, const struct se
{ {
size_t offset = sizeof(struct security_descriptor); size_t offset = sizeof(struct security_descriptor);
fprintf( stderr, "control=%08x", sd->control ); fprintf( stderr, "control=%08x", sd->control );
if ((sd->owner_len > FIELD_OFFSET(SID, SubAuthority[255])) || (offset + sd->owner_len > size)) if ((sd->owner_len > offsetof(struct sid, sub_auth[255])) || (offset + sd->owner_len > size))
return; return;
if (sd->owner_len) if (sd->owner_len)
dump_inline_sid( ",owner=", (const SID *)((const char *)sd + offset), sd->owner_len ); dump_inline_sid( ",owner=", (const struct sid *)((const char *)sd + offset), sd->owner_len );
else else
fprintf( stderr, ",owner=<not present>" ); fprintf( stderr, ",owner=<not present>" );
offset += sd->owner_len; offset += sd->owner_len;
if ((sd->group_len > FIELD_OFFSET(SID, SubAuthority[255])) || (offset + sd->group_len > size)) if ((sd->group_len > offsetof(struct sid, sub_auth[255])) || (offset + sd->group_len > size))
return; return;
if (sd->group_len) if (sd->group_len)
dump_inline_sid( ",group=", (const SID *)((const char *)sd + offset), sd->group_len ); dump_inline_sid( ",group=", (const struct sid *)((const char *)sd + offset), sd->group_len );
else else
fprintf( stderr, ",group=<not present>" ); fprintf( stderr, ",group=<not present>" );
offset += sd->group_len; offset += sd->group_len;
@ -1156,16 +1150,14 @@ static void dump_varargs_token_groups( const char *prefix, data_size_t size )
fputc( '[', stderr ); fputc( '[', stderr );
for (i = 0; i < tg->count; i++) for (i = 0; i < tg->count; i++)
{ {
const SID *sid = (const SID *)((const char *)cur_data + offset); const struct sid *sid = (const struct sid *)((const char *)cur_data + offset);
if (i != 0) if (i != 0)
fputc( ',', stderr ); fputc( ',', stderr );
fputc( '{', stderr ); fputc( '{', stderr );
fprintf( stderr, "attributes=%08x", attr[i] ); fprintf( stderr, "attributes=%08x", attr[i] );
dump_inline_sid( ",sid=", sid, size - offset ); dump_inline_sid( ",sid=", sid, size - offset );
if ((offset + FIELD_OFFSET(SID, SubAuthority[0]) > size) || if (!sid_valid_size( sid, size - offset )) break;
(offset + FIELD_OFFSET(SID, SubAuthority[sid->SubAuthorityCount]) > size)) offset += sid_len( sid );
break;
offset += FIELD_OFFSET(SID, SubAuthority[sid->SubAuthorityCount]);
fputc( '}', stderr ); fputc( '}', stderr );
} }
fputc( ']', stderr ); fputc( ']', stderr );
@ -3834,7 +3826,7 @@ static void dump_filter_token_request( const struct filter_token_request *req )
fprintf( stderr, ", flags=%08x", req->flags ); fprintf( stderr, ", flags=%08x", req->flags );
fprintf( stderr, ", privileges_size=%u", req->privileges_size ); fprintf( stderr, ", privileges_size=%u", req->privileges_size );
dump_varargs_luid_attr( ", privileges=", min(cur_size,req->privileges_size) ); dump_varargs_luid_attr( ", privileges=", min(cur_size,req->privileges_size) );
dump_varargs_SID( ", disable_sids=", cur_size ); dump_varargs_sid( ", disable_sids=", cur_size );
} }
static void dump_filter_token_reply( const struct filter_token_reply *req ) static void dump_filter_token_reply( const struct filter_token_reply *req )
@ -3867,7 +3859,7 @@ static void dump_get_token_sid_request( const struct get_token_sid_request *req
static void dump_get_token_sid_reply( const struct get_token_sid_reply *req ) static void dump_get_token_sid_reply( const struct get_token_sid_reply *req )
{ {
fprintf( stderr, " sid_len=%u", req->sid_len ); fprintf( stderr, " sid_len=%u", req->sid_len );
dump_varargs_SID( ", sid=", cur_size ); dump_varargs_sid( ", sid=", cur_size );
} }
static void dump_get_token_groups_request( const struct get_token_groups_request *req ) static void dump_get_token_groups_request( const struct get_token_groups_request *req )