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-rw-r--r--source3/smbd/groupname.c639
1 files changed, 1 insertions, 638 deletions
diff --git a/source3/smbd/groupname.c b/source3/smbd/groupname.c
index a81114169c..0be558848a 100644
--- a/source3/smbd/groupname.c
+++ b/source3/smbd/groupname.c
@@ -19,641 +19,4 @@
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
-/*
- * UNIX gid and Local or Domain SID resolution. This module resolves
- * only those entries in the map files, it is *NOT* responsible for
- * resolving UNIX groups not listed: that is an entirely different
- * matter, altogether...
- */
-
-/*
- *
- *
-
- format of the file is:
-
- unixname NT Group name
- unixname Domain Admins (well-known Domain Group)
- unixname DOMAIN_NAME\NT Group name
- unixname OTHER_DOMAIN_NAME\NT Group name
- unixname DOMAIN_NAME\Domain Admins (well-known Domain Group)
- ....
-
- if the DOMAIN_NAME\ component is left off, then your own domain is assumed.
-
- *
- *
- */
-
-
-#include "includes.h"
-extern int DEBUGLEVEL;
-
-extern fstring global_sam_name;
-
-/* we can map either local aliases or domain groups */
-typedef enum
-{
- GROUP_LOCAL,
- GROUP_DOMAIN
-
-} GROUP_TYPE;
-
-/**************************************************************************
- Groupname map functionality. The code loads a groupname map file and
- (currently) loads it into a linked list. This is slow and memory
- hungry, but can be changed into a more efficient storage format
- if the demands on it become excessive.
-***************************************************************************/
-
-typedef struct group_name_info
-{
- char *nt_name;
- char *nt_domain;
- char *unix_name;
-
- DOM_SID sid;
- gid_t unix_gid;
-
-} GROUP_NAME_INFO;
-
-typedef struct name_map
-{
- ubi_slNode next;
- GROUP_NAME_INFO grp;
-
-} name_map_entry;
-
-static ubi_slList groupname_map_list;
-static ubi_slList aliasname_map_list;
-
-static void delete_name_entry(name_map_entry *gmep)
-{
- if (gmep->grp.nt_name)
- {
- free(gmep->grp.nt_name);
- }
- if (gmep->grp.nt_domain)
- {
- free(gmep->grp.nt_domain);
- }
- if (gmep->grp.unix_name)
- {
- free(gmep->grp.unix_name);
- }
- free((char*)gmep);
-}
-
-/**************************************************************************
- Delete all the entries in the name map list.
-***************************************************************************/
-
-static void delete_map_list(ubi_slList *map_list)
-{
- name_map_entry *gmep;
-
- while ((gmep = (name_map_entry *)ubi_slRemHead(map_list )) != NULL)
- {
- delete_name_entry(gmep);
- }
-}
-
-
-/**************************************************************************
- makes a group sid out of a domain sid and a _unix_ gid.
-***************************************************************************/
-static BOOL make_mydomain_sid(GROUP_NAME_INFO *grp, GROUP_TYPE type)
-{
- uint32 tmp_rid;
- DOM_SID sid;
- uint8 tmp_type;
-
- DEBUG(10,("make_mydomain_sid\n"));
-
- if (!map_domain_name_to_sid(&grp->sid, &(grp->nt_domain)))
- {
- DEBUG(0,("make_mydomain_sid: unknown domain %s\n",
- grp->nt_domain));
- return False;
- }
-
- if (strequal(grp->nt_domain, global_sam_name) &&
- lookup_builtin_grp_name(grp->nt_name, &sid, &tmp_type) == 0x0)
- {
- sid_copy(&grp->sid, &sid);
- return True;
- }
- else
- {
- BOOL ret;
- fstring sid_str;
- if (type == GROUP_DOMAIN)
- {
- tmp_rid = pwdb_gid_to_group_rid(grp->unix_gid);
- }
- else
- {
- tmp_rid = pwdb_gid_to_alias_rid(grp->unix_gid);
- }
- ret = sid_append_rid(&(grp->sid), tmp_rid);
- sid_to_string(sid_str, &grp->sid);
- DEBUG(10,("nt name %s gid %d mapped to %s\n",
- grp->nt_name, grp->unix_gid, sid_str));
- return ret;
- }
-}
-
-/**************************************************************************
- makes a group sid out of an nt domain, nt group name or a unix group name.
-***************************************************************************/
-static BOOL unix_name_to_group_info(GROUP_NAME_INFO *grp, GROUP_TYPE type)
-{
- struct group *gptr = NULL;
-
- /*
- * Attempt to get the unix gid_t for this name.
- */
-
- DEBUG(5,("unix_name_to_group_info: unix_name:%s\n", grp->unix_name));
-
- gptr = (struct group *)getgrnam(grp->unix_name);
- if (gptr == NULL)
- {
- DEBUG(0,("unix_name_to_group_info: getgrnam for group %s\
-failed. Error was %s.\n", grp->unix_name, strerror(errno) ));
- return False;
- }
-
- grp->unix_gid = (gid_t)gptr->gr_gid;
-
- DEBUG(5,("unix_name_to_group_info: unix gid:%d\n", grp->unix_gid));
-
- /*
- * Now map the name to an NT SID+RID.
- */
-
- if (grp->nt_domain != NULL && !strequal(grp->nt_domain, global_sam_name))
- {
- /* Must add client-call lookup code here, to
- * resolve remote domain's sid and the group's rid,
- * in that domain.
- *
- * NOTE: it is _incorrect_ to put code here that assumes
- * that we can call pwdb_gid_to_group_rid() or _alias_rid():
- * it is a totally different domain for which we are *NOT*
- * responsible.
- * for foriegn domains for which we are *NOT* the PDC, all
- * we can be responsible for is the unix * gid_t to which
- * the foriegn SID+rid maps to, on this _local_ machine.
- */
-
- if (!map_domain_name_to_sid(&grp->sid, &(grp->nt_domain)))
- {
- DEBUG(0,("unix_name_to_group_info: no known sid for %s\n",
- grp->nt_domain));
- return False;
- }
- }
-
- return make_mydomain_sid(grp, type);
-}
-
-static BOOL make_name_entry(name_map_entry **new_ep,
- char *nt_domain, char *nt_group, char *unix_group,
- GROUP_TYPE type)
-{
- /*
- * Create the list entry and add it onto the list.
- */
-
- DEBUG(5,("make_name_entry:%s,%s,%s\n", nt_domain, nt_group, unix_group));
-
- (*new_ep) = (name_map_entry *)malloc(sizeof(name_map_entry));
- if ((*new_ep) == NULL)
- {
- DEBUG(0,("make_name_entry: malloc fail for name_map_entry.\n"));
- return False;
- }
-
- ZERO_STRUCTP(*new_ep);
-
- (*new_ep)->grp.nt_name = strdup(nt_group );
- (*new_ep)->grp.nt_domain = strdup(nt_domain );
- (*new_ep)->grp.unix_name = strdup(unix_group);
-
- if ((*new_ep)->grp.nt_name == NULL ||
- (*new_ep)->grp.unix_name == NULL)
- {
- DEBUG(0,("make_name_entry: malloc fail for names in name_map_entry.\n"));
- delete_name_entry((*new_ep));
- return False;
- }
-
- /*
- * look up the group names, make the Group-SID and unix gid
- */
-
- if (!unix_name_to_group_info(&(*new_ep)->grp, type))
- {
- delete_name_entry((*new_ep));
- return False;
- }
-
- return True;
-}
-
-/**************************************************************************
- Load a name map file. Sets last accessed timestamp.
-***************************************************************************/
-static ubi_slList *load_name_map(GROUP_TYPE type)
-{
- static time_t groupmap_file_last_modified = (time_t)0;
- static time_t aliasmap_file_last_modified = (time_t)0;
- static BOOL initialised_group = False;
- static BOOL initialised_alias = False;
- char *groupname_map_file = lp_groupname_map();
- char *aliasname_map_file = lp_aliasname_map();
-
- SMB_STRUCT_STAT st;
- FILE *fp;
- char *s;
- pstring buf;
- name_map_entry *new_ep;
-
- time_t *file_last_modified;
- int *initialised;
- char *map_file;
- ubi_slList *map_list;
-
- if (type == GROUP_DOMAIN)
- {
- file_last_modified = &groupmap_file_last_modified;
- initialised = &initialised_group;
- map_file = groupname_map_file;
- map_list = &groupname_map_list;
- }
- else
- {
- file_last_modified = &aliasmap_file_last_modified;
- initialised = &initialised_alias;
- map_file = aliasname_map_file;
- map_list = &aliasname_map_list;
- }
-
- if (!(*initialised))
- {
- DEBUG(10,("initialising group map %s\n", map_file));
- ubi_slInitList(map_list);
- (*initialised) = True;
- }
-
- if (!*map_file)
- {
- return map_list;
- }
-
- if (sys_stat(map_file, &st) != 0)
- {
- DEBUG(0, ("load_name_map: Unable to stat file %s. Error was %s\n",
- map_file, strerror(errno) ));
- return map_list;
- }
-
- /*
- * Check if file has changed.
- */
- if (st.st_mtime <= (*file_last_modified))
- {
- return map_list;
- }
-
- (*file_last_modified) = st.st_mtime;
-
- /*
- * Load the file.
- */
-
- fp = fopen(map_file,"r");
- if (!fp)
- {
- DEBUG(0,("load_name_map: can't open name map %s. Error was %s\n",
- map_file, strerror(errno)));
- return map_list;
- }
-
- /*
- * Throw away any previous list.
- */
- delete_map_list(map_list);
-
- DEBUG(4,("load_name_map: Scanning name map %s\n",map_file));
-
- while ((s = fgets_slash(buf, sizeof(buf), fp)) != NULL)
- {
- pstring unixname;
- pstring nt_name;
- fstring nt_domain;
- fstring nt_group;
- char *p;
-
- DEBUG(10,("Read line |%s|\n", s));
-
- memset(nt_name, 0, sizeof(nt_name));
-
- if (!*s || strchr("#;",*s))
- continue;
-
- if (!next_token(&s,unixname, "\t\n\r=", sizeof(unixname)))
- continue;
-
- if (!next_token(&s,nt_name, "\t\n\r=", sizeof(nt_name)))
- continue;
-
- trim_string(unixname, " ", " ");
- trim_string(nt_name, " ", " ");
-
- if (!*nt_name)
- continue;
-
- if (!*unixname)
- continue;
-
- DEBUG(5,("unixname = %s, ntname = %s.\n",
- unixname, nt_name));
-
- p = strchr(nt_name, '\\');
-
- if (p == NULL)
- {
- memset(nt_domain, 0, sizeof(nt_domain));
- fstrcpy(nt_group, nt_name);
- }
- else
- {
- *p = 0;
- p++;
- fstrcpy(nt_domain, nt_name);
- fstrcpy(nt_group , p);
- }
-
- if (make_name_entry(&new_ep, nt_domain, nt_name, unixname, type))
- {
- ubi_slAddTail(map_list, (ubi_slNode *)new_ep);
- }
- }
-
- DEBUG(10,("load_name_map: Added %ld entries to name map.\n",
- ubi_slCount(map_list)));
-
- fclose(fp);
-
- return map_list;
-}
-
-/***********************************************************
- Lookup by SID
-************************************************************/
-static BOOL map_sid(GROUP_TYPE type,
- DOM_SID *psid, gid_t *gid, char *ntname, char *ntdomain)
-{
- name_map_entry *gmep;
- ubi_slList *map_list;
-
- /*
- * Initialise and load if not already loaded.
- */
- map_list = load_name_map(type);
-
- for (gmep = (name_map_entry *)ubi_slFirst(map_list);
- gmep != NULL;
- gmep = (name_map_entry *)ubi_slNext(gmep ))
- {
- if (sid_equal(&gmep->grp.sid, psid))
- {
- if (gid != NULL)
- {
- *gid = gmep->grp.unix_gid;
- }
- if (ntname != NULL)
- {
- fstrcpy(ntname, gmep->grp.nt_name);
- }
- if (ntdomain != NULL)
- {
- fstrcpy(ntdomain, gmep->grp.nt_domain);
- }
- DEBUG(7,("map_sid: Mapping unix group %s to nt group %s.\n",
- gmep->grp.unix_name, gmep->grp.nt_name ));
- return True;
- }
- }
-
- return False;
-}
-
-/***********************************************************
- Lookup nt name.
-************************************************************/
-static BOOL map_ntname(GROUP_TYPE type,
- char *ntname, char *ntdomain, DOM_SID *psid,
- char *unixname, gid_t *gid)
-{
- name_map_entry *gmep;
- ubi_slList *map_list;
-
- /*
- * Initialise and load if not already loaded.
- */
- map_list = load_name_map(type);
-
- for (gmep = (name_map_entry *)ubi_slFirst(map_list);
- gmep != NULL;
- gmep = (name_map_entry *)ubi_slNext(gmep ))
- {
- if (strequal(gmep->grp.nt_name , ntname) &&
- strequal(gmep->grp.nt_domain, ntdomain))
- {
- if (psid != NULL)
- {
- sid_copy(psid, &gmep->grp.sid);
- }
- if (gid != NULL)
- {
- *gid = gmep->grp.unix_gid;
- }
- if (unixname != NULL)
- {
- fstrcpy(unixname, gmep->grp.unix_name);
- }
- DEBUG(7,("map_ntname: Mapping unix group %s to nt group %s.\n",
- gmep->grp.unix_name, gmep->grp.nt_name ));
- return True;
- }
- }
-
- return False;
-}
-
-/***********************************************************
- Lookup unix name.
-************************************************************/
-static BOOL map_unixname(GROUP_TYPE type,
- char *unixname, DOM_SID *psid, char *ntname, char *ntdomain)
-{
- name_map_entry *gmep;
- ubi_slList *map_list;
-
- /*
- * Initialise and load if not already loaded.
- */
- map_list = load_name_map(type);
-
- for (gmep = (name_map_entry *)ubi_slFirst(map_list);
- gmep != NULL;
- gmep = (name_map_entry *)ubi_slNext(gmep ))
- {
- if (strequal(gmep->grp.unix_name, unixname))
- {
- if (psid != NULL)
- {
- sid_copy(psid, &gmep->grp.sid);
- }
- if (ntname != NULL)
- {
- fstrcpy(ntname, gmep->grp.nt_name);
- }
- if (ntdomain != NULL)
- {
- fstrcpy(ntdomain, gmep->grp.nt_domain);
- }
- DEBUG(7,("map_unixname: Mapping unix group %s to nt group %s.\n",
- gmep->grp.unix_name, gmep->grp.nt_name ));
- return True;
- }
- }
-
- return False;
-}
-
-/***********************************************************
- Lookup by gid_t.
-************************************************************/
-static BOOL map_gid(GROUP_TYPE type,
- gid_t gid, DOM_SID *psid, char *ntname, char *ntdomain)
-{
- name_map_entry *gmep;
- ubi_slList *map_list;
-
- /*
- * Initialise and load if not already loaded.
- */
- map_list = load_name_map(type);
-
- for (gmep = (name_map_entry *)ubi_slFirst(map_list);
- gmep != NULL;
- gmep = (name_map_entry *)ubi_slNext(gmep ))
- {
- fstring sid_str;
- sid_to_string(sid_str, &gmep->grp.sid);
- DEBUG(10,("map_gid: enum entry unix group %s %d nt %s %s\n",
- gmep->grp.unix_name, gmep->grp.unix_gid, gmep->grp.nt_name, sid_str));
- if (gmep->grp.unix_gid == gid)
- {
- if (psid != NULL)
- {
- sid_copy(psid, &gmep->grp.sid);
- }
- if (ntname != NULL)
- {
- fstrcpy(ntname, gmep->grp.nt_name);
- }
- if (ntdomain != NULL)
- {
- fstrcpy(ntdomain, gmep->grp.nt_domain);
- }
- DEBUG(7,("map_gid: Mapping unix group %s to nt group %s.\n",
- gmep->grp.unix_name, gmep->grp.nt_name ));
- return True;
- }
- }
-
- return False;
-}
-
-/***********************************************************
- *
- * Call four functions to resolve unix group ids and either
- * local group SIDs or domain group SIDs listed in the local group
- * or domain group map files.
- *
- * Note that it is *NOT* the responsibility of these functions to
- * resolve entries that are not in the map files.
- *
- * Any SID can be in the map files (i.e from any Domain).
- *
- ***********************************************************/
-
-/***********************************************************
- Lookup a Group entry by sid.
-************************************************************/
-BOOL map_group_sid(DOM_SID *psid, gid_t *gid, char *group_name, char *nt_domain)
-{
- return map_sid(GROUP_DOMAIN, psid, gid, group_name, nt_domain);
-}
-
-/***********************************************************
- Lookup an Alias SID entry by name.
-************************************************************/
-BOOL map_alias_sid(DOM_SID *psid, gid_t *gid, char *alias_name, char *nt_domain)
-{
- return map_sid(GROUP_LOCAL, psid, gid, alias_name, nt_domain);
-}
-
-/***********************************************************
- Lookup a UNIX Group entry by name.
-************************************************************/
-BOOL map_unix_group_name(char *group_name, DOM_SID *psid, char *ntgroup_name, char *nt_domain)
-{
- return map_unixname(GROUP_DOMAIN, group_name, psid, ntgroup_name, nt_domain);
-}
-
-/***********************************************************
- Lookup a UNIX Alias entry by name.
-************************************************************/
-BOOL map_unix_alias_name(char *alias_name, DOM_SID *psid, char *ntalias_name, char *nt_domain)
-{
- return map_unixname(GROUP_LOCAL, alias_name, psid, ntalias_name, nt_domain);
-}
-
-/***********************************************************
- Lookup a Group entry
-************************************************************/
-BOOL map_nt_group_name(char *ntgroup_name, char *nt_domain, DOM_SID *psid, char *group_name, gid_t *gid)
-{
- return map_ntname(GROUP_DOMAIN, ntgroup_name, nt_domain, psid, group_name, gid);
-}
-
-/***********************************************************
- Lookup an Alias name entry
-************************************************************/
-BOOL map_nt_alias_name(char *ntalias_name, char *nt_domain, DOM_SID *psid, char *alias_name, gid_t *gid)
-{
- return map_ntname(GROUP_LOCAL, ntalias_name, nt_domain, psid, alias_name, gid);
-}
-
-/***********************************************************
- Lookup an Alias SID entry by gid_t.
-************************************************************/
-BOOL map_alias_gid(gid_t gid, DOM_SID *psid, char *nt_als_name, char *nt_domain)
-{
- return map_gid(GROUP_LOCAL, gid, psid, nt_als_name, nt_domain);
-}
-
-/***********************************************************
- Lookup a Group SID entry by gid_t.
-************************************************************/
-BOOL map_group_gid( gid_t gid, DOM_SID *psid, char *nt_grp_name, char *nt_domain)
-{
- return map_gid(GROUP_DOMAIN, gid, psid, nt_grp_name, nt_domain);
-}
-
+/* this module is retired, it is moved to lib/domain_namemap.c */
generated by cgit (git 2.34.1) at 2024-12-04 23:00:33 +0000