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author | Gerald Carter <jerry@samba.org> | 2003-07-16 05:34:56 +0000 |
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committer | Gerald Carter <jerry@samba.org> | 2003-07-16 05:34:56 +0000 |
commit | 4a090ba06a54f5da179ac02bb307cc03d08831bf (patch) | |
tree | ed652ef36be7f16682c358816334f969a22f1c27 /source3/nsswitch/winbindd_group.c | |
parent | 95fe82670032a3a43571b46d7bbf2c26bc8cdcd9 (diff) | |
download | samba-4a090ba06a54f5da179ac02bb307cc03d08831bf.tar.gz samba-4a090ba06a54f5da179ac02bb307cc03d08831bf.tar.bz2 samba-4a090ba06a54f5da179ac02bb307cc03d08831bf.zip |
trying to get HEAD building again. If you want the code
prior to this merge, checkout HEAD_PRE_3_0_0_BETA_3_MERGE
(This used to be commit adb98e7b7cd0f025b52c570e4034eebf4047b1ad)
Diffstat (limited to 'source3/nsswitch/winbindd_group.c')
-rw-r--r-- | source3/nsswitch/winbindd_group.c | 263 |
1 files changed, 220 insertions, 43 deletions
diff --git a/source3/nsswitch/winbindd_group.c b/source3/nsswitch/winbindd_group.c index 94b6326b90..d67d48d506 100644 --- a/source3/nsswitch/winbindd_group.c +++ b/source3/nsswitch/winbindd_group.c @@ -5,6 +5,7 @@ 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 @@ -26,6 +27,34 @@ #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. ****************************************************************/ @@ -75,9 +104,12 @@ static BOOL fill_grent_mem(struct winbindd_domain *domain, *num_gr_mem = 0; - if (group_name_type != SID_NAME_DOM_GRP) { - DEBUG(1, ("SID %s in domain %s isn't a domain group\n", - sid_to_string(sid_string, group_sid), 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; } @@ -189,6 +221,7 @@ done: 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; fstring name_domain, name_group; @@ -207,9 +240,39 @@ enum winbindd_result winbindd_getgrnam(struct winbindd_cli_state *state) 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) { @@ -227,13 +290,15 @@ enum winbindd_result winbindd_getgrnam(struct winbindd_cli_state *state) 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; } - if (NT_STATUS_IS_ERR(sid_to_gid(&group_sid, &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; } @@ -261,6 +326,7 @@ enum winbindd_result winbindd_getgrnam(struct winbindd_cli_state *state) 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; @@ -277,8 +343,23 @@ enum winbindd_result winbindd_getgrgid(struct winbindd_cli_state *state) (state->request.data.gid > server_state.gid_high)) return WINBINDD_ERROR; + /* 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; + } + /* Get rid from gid */ - if (NT_STATUS_IS_ERR(uid_to_sid(&group_sid, state->request.data.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; @@ -291,13 +372,6 @@ enum winbindd_result winbindd_getgrgid(struct winbindd_cli_state *state) return WINBINDD_ERROR; } - if (!((name_type == SID_NAME_ALIAS) || - (name_type == SID_NAME_DOM_GRP))) { - DEBUG(1, ("name '%s' is not a local or domain group: %d\n", - group_name, name_type)); - return WINBINDD_ERROR; - } - /* Fill in group structure */ domain = find_domain_from_sid(&group_sid); @@ -307,6 +381,14 @@ enum winbindd_result winbindd_getgrgid(struct winbindd_cli_state *state) 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; + } + if (!fill_grent(&state->response.data.gr, dom_name, group_name, state->request.data.gid) || !fill_grent_mem(domain, &group_sid, name_type, @@ -353,6 +435,16 @@ enum winbindd_result winbindd_setgrent(struct winbindd_cli_state *state) for (domain = domain_list(); domain != NULL; domain = domain->next) { struct getent_state *domain_state; + + /* 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 *) @@ -450,10 +542,10 @@ static BOOL get_sam_group_entries(struct getent_state *ent) ent->num_sam_entries = num_entries; - /* get the domain local groups if we are a member of a native win2k domain */ + /* 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 ( domain->native_mode - && domain->methods->enum_local_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")); @@ -590,7 +682,7 @@ enum winbindd_result winbindd_getgrent(struct winbindd_cli_state *state) sid_copy(&group_sid, &domain->sid); sid_append_rid(&group_sid, name_list[ent->sam_entry_index].rid); - if (NT_STATUS_IS_ERR(sid_to_gid(&group_sid, &group_gid))) { + 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)); @@ -743,7 +835,7 @@ enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state) ZERO_STRUCT(groups); /* Get list of sam groups */ - ZERO_STRUCT(groups); + fstrcpy(groups.domain_name, domain->name); get_sam_group_entries(&groups); @@ -799,21 +891,26 @@ enum winbindd_result winbindd_list_groups(struct winbindd_cli_state *state) } /* 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 num_groups, num_gids; + uint32 num_groups = 0; + uint32 num_gids = 0; NTSTATUS status; - DOM_SID **user_gids; + DOM_SID **user_grpsids; struct winbindd_domain *domain; enum winbindd_result result = WINBINDD_ERROR; gid_t *gid_list; 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'; @@ -827,8 +924,12 @@ enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state) /* 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 */ @@ -853,33 +954,109 @@ enum winbindd_result winbindd_getgroups(struct winbindd_cli_state *state) goto done; } - status = domain->methods->lookup_usergroups(domain, mem_ctx, - &user_sid, &num_groups, - &user_gids); - if (!NT_STATUS_IS_OK(status)) goto done; + /* Treat the info3 cache as authoritative as the + lookup_usergroups() function may return cached data. */ - /* Copy data back to client */ + if ((info3 = netsamlogon_cache_get(mem_ctx, &user_sid))) { - num_gids = 0; - gid_list = malloc(sizeof(gid_t) * num_groups); + DEBUG(10, ("winbindd_getgroups: info3 has %d groups, %d other sids\n", + info3->num_groups2, info3->num_other_sids)); - if (state->response.extra_data) - goto done; + num_groups = info3->num_other_sids + info3->num_groups2; + gid_list = calloc(sizeof(gid_t), num_groups); - for (i = 0; i < num_groups; i++) { - gid_t gid; + /* Go through each other sid and convert it to a gid */ + + 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; + } + + /* 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++) { - if (NT_STATUS_IS_ERR(sid_to_gid(user_gids[i], &gid))) { - fstring sid_string; + /* create the group SID */ + + sid_copy( &group_sid, &domain->sid ); + sid_append_rid( &group_sid, info3->gids[i].g_rid ); - DEBUG(1, ("unable to convert group sid %s to gid\n", - sid_to_string(sid_string, user_gids[i]))); - continue; + 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++; } - gid_list[num_gids] = gid; - 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); |