/*
- Unix SMB/Netbios implementation.
- Version 2.2.
+ Unix SMB/CIFS implementation.
Winbind daemon for ntdom nss module
Copyright (C) Tim Potter 2000
Copyright (C) Jeremy Allison 2001.
+ Copyright (C) Gerald (Jerry) Carter 2003.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "winbindd.h"
+#undef DBGC_CLASS
+#define DBGC_CLASS DBGC_WINBIND
+
+/*********************************************************************
+*********************************************************************/
+
+static int gr_mem_buffer( char **buffer, char **members, int num_members )
+{
+ int i;
+ int len = 0;
+ int idx = 0;
+
+ if ( num_members == 0 ) {
+ *buffer = NULL;
+ return 0;
+ }
+
+ for ( i=0; i<num_members; i++ )
+ len += strlen(members[i])+1;
+
+ *buffer = (char*)smb_xmalloc(len);
+ for ( i=0; i<num_members; i++ ) {
+ snprintf( &(*buffer)[idx], len-idx, "%s,", members[i]);
+ idx += strlen(members[i])+1;
+ }
+ /* terminate with NULL */
+ (*buffer)[len-1] = '\0';
+
+ return len;
+}
+
/***************************************************************
Empty static struct for negative caching.
****************************************************************/
return True;
}
-/* Fill in the group membership field of a NT group given by group_rid */
+/* Fill in the group membership field of a NT group given by group_sid */
static BOOL fill_grent_mem(struct winbindd_domain *domain,
- uint32 group_rid,
+ DOM_SID *group_sid,
enum SID_NAME_USE group_name_type,
int *num_gr_mem, char **gr_mem, int *gr_mem_len)
{
- uint32 *rid_mem = NULL, num_names = 0;
+ DOM_SID **sid_mem = NULL;
+ uint32 num_names = 0;
uint32 *name_types = NULL;
- int buf_len, buf_ndx, i;
+ unsigned int buf_len, buf_ndx, i;
char **names = NULL, *buf;
BOOL result = False;
TALLOC_CTX *mem_ctx;
NTSTATUS status;
+ fstring sid_string;
- if (!(mem_ctx = talloc_init_named("fill_grent_mem(%s)", domain->name)))
+ if (!(mem_ctx = talloc_init("fill_grent_mem(%s)", domain->name)))
return False;
/* Initialise group membership information */
- DEBUG(10, ("group %s rid 0x%x\n", domain ? domain->name : "NULL",
- group_rid));
+ DEBUG(10, ("group SID %s\n", sid_to_string(sid_string, group_sid)));
*num_gr_mem = 0;
- if (group_name_type != SID_NAME_DOM_GRP) {
- DEBUG(1, ("rid %d in domain %s isn't a " "domain group\n",
- group_rid, domain->name));
+ if ( !((group_name_type==SID_NAME_DOM_GRP) ||
+ ((group_name_type==SID_NAME_ALIAS) && strequal(lp_workgroup(), domain->name))) )
+ {
+ DEBUG(1, ("SID %s in domain %s isn't a domain group (%d)\n",
+ sid_to_string(sid_string, group_sid), domain->name,
+ group_name_type));
goto done;
}
/* Lookup group members */
- status = domain->methods->lookup_groupmem(domain, mem_ctx, group_rid, &num_names,
- &rid_mem, &names, &name_types);
+ status = domain->methods->lookup_groupmem(domain, mem_ctx, group_sid, &num_names,
+ &sid_mem, &names, &name_types);
if (!NT_STATUS_IS_OK(status)) {
- DEBUG(1, ("could not lookup membership for group rid %d in domain %s\n",
- group_rid, domain->name));
+ DEBUG(1, ("could not lookup membership for group rid %s in domain %s (error: %s)\n",
+ sid_to_string(sid_string, group_sid), domain->name, nt_errstr(status)));
goto done;
}
if (DEBUGLEVEL >= 10) {
for (i = 0; i < num_names; i++)
- DEBUG(10, ("\t%20s %x %d\n", names[i], rid_mem[i],
+ DEBUG(10, ("\t%20s %s %d\n", names[i], sid_to_string(sid_string, sid_mem[i]),
name_types[i]));
}
/* Allocate buffer */
- if (!buf) {
+ if (!buf && buf_len != 0) {
if (!(buf = malloc(buf_len))) {
DEBUG(1, ("out of memory\n"));
result = False;
enum winbindd_result winbindd_getgrnam(struct winbindd_cli_state *state)
{
DOM_SID group_sid;
+ WINBINDD_GR *grp;
struct winbindd_domain *domain;
enum SID_NAME_USE name_type;
- uint32 group_rid;
fstring name_domain, name_group;
char *tmp, *gr_mem;
- gid_t gid;
int gr_mem_len;
+ gid_t gid;
+ /* Ensure null termination */
+ state->request.data.groupname[sizeof(state->request.data.groupname)-1]='\0';
+
DEBUG(3, ("[%5d]: getgrnam %s\n", state->pid,
state->request.data.groupname));
memset(name_group, 0, sizeof(fstring));
tmp = state->request.data.groupname;
- if (!parse_domain_user(tmp, name_domain, name_group))
+
+ parse_domain_user(tmp, name_domain, name_group);
+
+ /* if no domain or our local domain, then do a local tdb search */
+
+ if ( !*name_domain || strequal(name_domain, get_global_sam_name()) ) {
+ char *buffer = NULL;
+
+ if ( !(grp=wb_getgrnam(name_group)) ) {
+ DEBUG(5,("winbindd_getgrnam: lookup for %s\\%s failed\n",
+ name_domain, name_group));
+ return WINBINDD_ERROR;
+ }
+ memcpy( &state->response.data.gr, grp, sizeof(WINBINDD_GR) );
+
+ gr_mem_len = gr_mem_buffer( &buffer, grp->gr_mem, grp->num_gr_mem );
+
+ state->response.data.gr.gr_mem_ofs = 0;
+ state->response.length += gr_mem_len;
+ state->response.extra_data = buffer; /* give the memory away */
+
+ return WINBINDD_OK;
+ }
+
+ /* should we deal with users for our domain? */
+
+ if ( lp_winbind_trusted_domains_only() && strequal(name_domain, lp_workgroup())) {
+ DEBUG(7,("winbindd_getgrnam: My domain -- rejecting getgrnam() for %s\\%s.\n",
+ name_domain, name_group));
return WINBINDD_ERROR;
+ }
+
/* Get info for the domain */
if ((domain = find_domain_from_name(name_domain)) == NULL) {
return WINBINDD_ERROR;
}
- if ((name_type != SID_NAME_ALIAS) && (name_type != SID_NAME_DOM_GRP)) {
+ if ( !((name_type==SID_NAME_DOM_GRP) ||
+ ((name_type==SID_NAME_ALIAS) && strequal(lp_workgroup(), domain->name))) )
+ {
DEBUG(1, ("name '%s' is not a local or domain group: %d\n",
name_group, name_type));
return WINBINDD_ERROR;
}
- /* Fill in group structure */
-
- sid_split_rid(&group_sid, &group_rid);
-
- if (!winbindd_idmap_get_gid_from_rid(domain->name, group_rid, &gid)) {
+ if (!NT_STATUS_IS_OK(idmap_sid_to_gid(&group_sid, &gid, 0))) {
DEBUG(1, ("error converting unix gid to sid\n"));
return WINBINDD_ERROR;
}
if (!fill_grent(&state->response.data.gr, name_domain,
name_group, gid) ||
- !fill_grent_mem(domain, group_rid, name_type,
+ !fill_grent_mem(domain, &group_sid, name_type,
&state->response.data.gr.num_gr_mem,
&gr_mem, &gr_mem_len)) {
return WINBINDD_ERROR;
enum winbindd_result winbindd_getgrgid(struct winbindd_cli_state *state)
{
struct winbindd_domain *domain;
+ WINBINDD_GR *grp;
DOM_SID group_sid;
enum SID_NAME_USE name_type;
fstring dom_name;
fstring group_name;
- uint32 group_rid;
int gr_mem_len;
char *gr_mem;
(state->request.data.gid > server_state.gid_high))
return WINBINDD_ERROR;
- /* Get rid from gid */
+ /* alway try local tdb lookup first */
+ if ( ( grp=wb_getgrgid(state->request.data.gid)) != NULL ) {
+ char *buffer = NULL;
+
+ memcpy( &state->response.data.gr, grp, sizeof(WINBINDD_GR) );
+
+ gr_mem_len = gr_mem_buffer( &buffer, grp->gr_mem, grp->num_gr_mem );
+
+ state->response.data.gr.gr_mem_ofs = 0;
+ state->response.length += gr_mem_len;
+ state->response.extra_data = buffer; /* give away the memory */
+
+ return WINBINDD_OK;
+ }
- if (!winbindd_idmap_get_rid_from_gid(state->request.data.gid,
- &group_rid, &domain)) {
+ /* Get rid from gid */
+ if (!NT_STATUS_IS_OK(idmap_gid_to_sid(&group_sid, state->request.data.gid))) {
DEBUG(1, ("could not convert gid %d to rid\n",
state->request.data.gid));
return WINBINDD_ERROR;
}
- /* Get sid from gid */
-
- sid_copy(&group_sid, &domain->sid);
- sid_append_rid(&group_sid, group_rid);
+ /* Get name from sid */
if (!winbindd_lookup_name_by_sid(&group_sid, dom_name, group_name, &name_type)) {
DEBUG(1, ("could not lookup sid\n"));
return WINBINDD_ERROR;
}
- if (!((name_type == SID_NAME_ALIAS) ||
- (name_type == SID_NAME_DOM_GRP))) {
+ /* Fill in group structure */
+
+ domain = find_domain_from_sid(&group_sid);
+
+ if (!domain) {
+ DEBUG(1,("Can't find domain from sid\n"));
+ return WINBINDD_ERROR;
+ }
+
+ if ( !((name_type==SID_NAME_DOM_GRP) ||
+ ((name_type==SID_NAME_ALIAS) && strequal(lp_workgroup(), domain->name))) )
+ {
DEBUG(1, ("name '%s' is not a local or domain group: %d\n",
group_name, name_type));
return WINBINDD_ERROR;
}
- /* Fill in group structure */
-
if (!fill_grent(&state->response.data.gr, dom_name, group_name,
state->request.data.gid) ||
- !fill_grent_mem(domain, group_rid, name_type,
+ !fill_grent_mem(domain, &group_sid, name_type,
&state->response.data.gr.num_gr_mem,
&gr_mem, &gr_mem_len))
return WINBINDD_ERROR;
for (domain = domain_list(); domain != NULL; domain = domain->next) {
struct getent_state *domain_state;
- /* Skip domains other than WINBINDD_DOMAIN environment
- variable */
- if ((strcmp(state->request.domain, "") != 0) &&
- !check_domain_env(state->request.domain, domain->name))
- continue;
+ /* don't add our domaina if we are a PDC or if we
+ are a member of a Samba domain */
+ if ( (IS_DC || lp_winbind_trusted_domains_only())
+ && strequal(domain->name, lp_workgroup()) )
+ {
+ continue;
+ }
+
/* Create a state record for this domain */
if ((domain_state = (struct getent_state *)
- malloc(sizeof(struct getent_state))) == NULL)
+ malloc(sizeof(struct getent_state))) == NULL) {
+ DEBUG(1, ("winbindd_setgrent: malloc failed for domain_state!\n"));
return WINBINDD_ERROR;
+ }
ZERO_STRUCTP(domain_state);
{
NTSTATUS status;
uint32 num_entries;
- struct acct_info *name_list = NULL;
+ struct acct_info *name_list = NULL, *tmp_name_list = NULL;
TALLOC_CTX *mem_ctx;
BOOL result = False;
struct acct_info *sam_grp_entries = NULL;
if (ent->got_sam_entries)
return False;
- if (!(mem_ctx = talloc_init_named("get_sam_group_entries(%s)",
- ent->domain_name)))
+ if (!(mem_ctx = talloc_init("get_sam_group_entries(%s)",
+ ent->domain_name))) {
+ DEBUG(1, ("get_sam_group_entries: could not create talloc context!\n"));
return False;
+ }
/* Free any existing group info */
goto done;
}
- status = domain->methods->enum_dom_groups(domain,
- mem_ctx,
- &num_entries,
- &sam_grp_entries);
+ /* always get the domain global groups */
+
+ status = domain->methods->enum_dom_groups(domain, mem_ctx, &num_entries, &sam_grp_entries);
if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("get_sam_group_entries: could not enumerate domain groups! Error: %s\n", nt_errstr(status)));
result = False;
goto done;
}
/* Copy entries into return buffer */
if (num_entries) {
- name_list = malloc(sizeof(struct acct_info) * num_entries);
- memcpy(name_list, sam_grp_entries,
- num_entries * sizeof(struct acct_info));
+ if ( !(name_list = malloc(sizeof(struct acct_info) * num_entries)) ) {
+ DEBUG(0,("get_sam_group_entries: Failed to malloc memory for %d domain groups!\n",
+ num_entries));
+ result = False;
+ goto done;
+ }
+ memcpy( name_list, sam_grp_entries, num_entries * sizeof(struct acct_info) );
}
ent->num_sam_entries = num_entries;
+
+ /* get the domain local groups if we are a member of a native win2k domain
+ and are not using LDAP to get the groups */
+
+ if ( lp_security() != SEC_ADS && domain->native_mode
+ && strequal(lp_workgroup(), domain->name) )
+ {
+ DEBUG(4,("get_sam_group_entries: Native Mode 2k domain; enumerating local groups as well\n"));
+
+ status = domain->methods->enum_local_groups(domain, mem_ctx, &num_entries, &sam_grp_entries);
+
+ if ( !NT_STATUS_IS_OK(status) ) {
+ DEBUG(3,("get_sam_group_entries: Failed to enumerate domain local groups!\n"));
+ num_entries = 0;
+ }
+ else
+ DEBUG(4,("get_sam_group_entries: Returned %d local groups\n", num_entries));
+
+ /* Copy entries into return buffer */
+
+ if ( num_entries ) {
+ if ( !(tmp_name_list = Realloc( name_list, sizeof(struct acct_info) * (ent->num_sam_entries+num_entries))) )
+ {
+ DEBUG(0,("get_sam_group_entries: Failed to realloc more memory for %d local groups!\n",
+ num_entries));
+ result = False;
+ SAFE_FREE( name_list );
+ goto done;
+ }
+
+ name_list = tmp_name_list;
+
+ memcpy( &name_list[ent->num_sam_entries], sam_grp_entries,
+ num_entries * sizeof(struct acct_info) );
+ }
+
+ ent->num_sam_entries += num_entries;
+ }
+
/* Fill in remaining fields */
gid_t group_gid;
int gr_mem_len;
char *gr_mem, *new_gr_mem_list;
-
+ DOM_SID group_sid;
+ struct winbindd_domain *domain;
+
/* Do we need to fetch another chunk of groups? */
tryagain:
name_list = ent->sam_entries;
+ if (!(domain =
+ find_domain_from_name(ent->domain_name))) {
+ DEBUG(3, ("No such domain %s in winbindd_getgrent\n", ent->domain_name));
+ result = False;
+ goto done;
+ }
+
/* Lookup group info */
- if (!winbindd_idmap_get_gid_from_rid(
- ent->domain_name,
- name_list[ent->sam_entry_index].rid,
- &group_gid)) {
+ sid_copy(&group_sid, &domain->sid);
+ sid_append_rid(&group_sid, name_list[ent->sam_entry_index].rid);
+
+ if (!NT_STATUS_IS_OK(idmap_sid_to_gid(&group_sid, &group_gid, 0))) {
DEBUG(1, ("could not look up gid for group %s\n",
name_list[ent->sam_entry_index].acct_name));
-
+
ent->sam_entry_index++;
goto tryagain;
}
/* Fill in group membership entry */
if (result) {
- struct winbindd_domain *domain;
-
- if (!(domain =
- find_domain_from_name(ent->domain_name))) {
- DEBUG(3, ("No such domain %s in winbindd_getgrent\n", ent->domain_name));
- result = False;
- goto done;
- }
-
- /* Get group membership */
+ DOM_SID member_sid;
+ group_list[group_list_ndx].num_gr_mem = 0;
+ gr_mem = NULL;
+ gr_mem_len = 0;
- result = fill_grent_mem(
- domain,
- name_list[ent->sam_entry_index].rid,
- SID_NAME_DOM_GRP,
- &group_list[group_list_ndx].num_gr_mem,
- &gr_mem, &gr_mem_len);
+ /* Get group membership */
+ if (state->request.cmd == WINBINDD_GETGRLST) {
+ result = True;
+ } else {
+ sid_copy(&member_sid, &domain->sid);
+ sid_append_rid(&member_sid, name_list[ent->sam_entry_index].rid);
+ result = fill_grent_mem(
+ domain,
+ &member_sid,
+ SID_NAME_DOM_GRP,
+ &group_list[group_list_ndx].num_gr_mem,
+ &gr_mem, &gr_mem_len);
+ }
}
if (result) {
struct winbindd_domain *domain;
char *extra_data = NULL;
char *ted = NULL;
- int extra_data_len = 0, i;
+ unsigned int extra_data_len = 0, i;
DEBUG(3, ("[%5d]: list groups\n", state->pid));
ZERO_STRUCT(groups);
- /* Skip domains other than WINBINDD_DOMAIN environment
- variable */
- if ((strcmp(state->request.domain, "") != 0) &&
- !check_domain_env(state->request.domain, domain->name))
- continue;
-
/* Get list of sam groups */
- ZERO_STRUCT(groups);
+
fstrcpy(groups.domain_name, domain->name);
get_sam_group_entries(&groups);
}
/* Get user supplementary groups. This is much quicker than trying to
- invert the groups database. */
+ invert the groups database. We merge the groups from the gids and
+ other_sids info3 fields as trusted domain, universal group
+ memberships, and nested groups (win2k native mode only) are not
+ returned by the getgroups RPC call but are present in the info3. */
enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state)
{
fstring name_domain, name_user;
- DOM_SID user_sid;
+ DOM_SID user_sid, group_sid;
enum SID_NAME_USE name_type;
- uint32 user_rid, num_groups, num_gids;
+ uint32 num_groups = 0;
+ uint32 num_gids = 0;
NTSTATUS status;
- uint32 *user_gids;
+ DOM_SID **user_grpsids;
struct winbindd_domain *domain;
enum winbindd_result result = WINBINDD_ERROR;
gid_t *gid_list;
- int i;
+ unsigned int i;
TALLOC_CTX *mem_ctx;
+ NET_USER_INFO_3 *info3 = NULL;
+ /* Ensure null termination */
+ state->request.data.username[sizeof(state->request.data.username)-1]='\0';
+
DEBUG(3, ("[%5d]: getgroups %s\n", state->pid,
state->request.data.username));
- if (!(mem_ctx = talloc_init_named("winbindd_getgroups(%s)",
+ if (!(mem_ctx = talloc_init("winbindd_getgroups(%s)",
state->request.data.username)))
return WINBINDD_ERROR;
/* Parse domain and username */
- if (!parse_domain_user(state->request.data.username, name_domain,
- name_user))
+ parse_domain_user(state->request.data.username,
+ name_domain, name_user);
+
+ /* bail if there is no domain */
+
+ if ( !*name_domain )
goto done;
/* Get info for the domain */
goto done;
}
- sid_split_rid(&user_sid, &user_rid);
+ /* Treat the info3 cache as authoritative as the
+ lookup_usergroups() function may return cached data. */
- status = domain->methods->lookup_usergroups(domain, mem_ctx, user_rid, &num_groups, &user_gids);
- if (!NT_STATUS_IS_OK(status)) goto done;
+ if ((info3 = netsamlogon_cache_get(mem_ctx, &user_sid))) {
- /* Copy data back to client */
+ DEBUG(10, ("winbindd_getgroups: info3 has %d groups, %d other sids\n",
+ info3->num_groups2, info3->num_other_sids));
- num_gids = 0;
- gid_list = malloc(sizeof(gid_t) * num_groups);
+ num_groups = info3->num_other_sids + info3->num_groups2;
+ gid_list = calloc(sizeof(gid_t), num_groups);
- if (state->response.extra_data)
- goto done;
+ /* Go through each other sid and convert it to a gid */
- for (i = 0; i < num_groups; i++) {
- if (!winbindd_idmap_get_gid_from_rid(domain->name,
- user_gids[i],
- &gid_list[num_gids])) {
+ for (i = 0; i < info3->num_other_sids; i++) {
+ fstring name;
+ fstring dom_name;
+ enum SID_NAME_USE sid_type;
+
+ /* Is this sid known to us? It can either be
+ a trusted domain sid or a foreign sid. */
+
+ if (!winbindd_lookup_name_by_sid( &info3->other_sids[i].sid,
+ dom_name, name, &sid_type))
+ {
+ DEBUG(10, ("winbindd_getgroups: could not lookup name for %s\n",
+ sid_string_static(&info3->other_sids[i].sid)));
+ continue;
+ }
- DEBUG(1, ("unable to convert group rid %d to gid\n",
- user_gids[i]));
- continue;
+ /* Check it is a domain group or an alias (domain local group)
+ in a win2k native mode domain. */
+
+ if ( !((sid_type==SID_NAME_DOM_GRP) ||
+ ((sid_type==SID_NAME_ALIAS) && strequal(lp_workgroup(), domain->name))) )
+ {
+ DEBUG(10, ("winbindd_getgroups: sid type %d "
+ "for %s is not a domain group\n",
+ sid_type,
+ sid_string_static(
+ &info3->other_sids[i].sid)));
+ continue;
+ }
+
+ /* Map to a gid */
+
+ if (!NT_STATUS_IS_OK(idmap_sid_to_gid(&info3->other_sids[i].sid, &gid_list[num_gids], 0)) )
+ {
+ DEBUG(10, ("winbindd_getgroups: could not map sid %s to gid\n",
+ sid_string_static(&info3->other_sids[i].sid)));
+ continue;
+ }
+
+ /* We've jumped through a lot of hoops to get here */
+
+ DEBUG(10, ("winbindd_getgroups: mapped other sid %s to "
+ "gid %d\n", sid_string_static(
+ &info3->other_sids[i].sid),
+ gid_list[num_gids]));
+
+ num_gids++;
}
+
+ for (i = 0; i < info3->num_groups2; i++) {
+
+ /* create the group SID */
- num_gids++;
+ sid_copy( &group_sid, &domain->sid );
+ sid_append_rid( &group_sid, info3->gids[i].g_rid );
+
+ if (!NT_STATUS_IS_OK(idmap_sid_to_gid(&group_sid, &gid_list[num_gids], 0)) ) {
+ DEBUG(10, ("winbindd_getgroups: could not map sid %s to gid\n",
+ sid_string_static(&group_sid)));
+ }
+
+ num_gids++;
+ }
+
+ SAFE_FREE(info3);
+
+ } else {
+ status = domain->methods->lookup_usergroups(domain, mem_ctx,
+ &user_sid, &num_groups,
+ &user_grpsids);
+ if (!NT_STATUS_IS_OK(status))
+ goto done;
+
+ gid_list = malloc(sizeof(gid_t) * num_groups);
+
+ if (state->response.extra_data)
+ goto done;
+
+ for (i = 0; i < num_groups; i++) {
+ if (!NT_STATUS_IS_OK(idmap_sid_to_gid(user_grpsids[i], &gid_list[num_gids], 0))) {
+ DEBUG(1, ("unable to convert group sid %s to gid\n",
+ sid_string_static(user_grpsids[i])));
+ continue;
+ }
+ num_gids++;
+ }
}
+ /* Send data back to client */
+
state->response.data.num_entries = num_gids;
state->response.extra_data = gid_list;
state->response.length += num_gids * sizeof(gid_t);
git.samba.org / abartlet / samba.git / .git / blobdiff