Author: vlendec Date: 2006-07-07 19:34:54 +0000 (Fri, 07 Jul 2006) New Revision: 16867
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=16867 Log: Merge the fix for bug 3915 Modified: trunk/source/auth/auth_util.c trunk/source/passdb/lookup_sid.c trunk/source/passdb/util_unixsids.c Changeset: Modified: trunk/source/auth/auth_util.c =================================================================== --- trunk/source/auth/auth_util.c 2006-07-07 19:01:15 UTC (rev 16866) +++ trunk/source/auth/auth_util.c 2006-07-07 19:34:54 UTC (rev 16867) @@ -1061,45 +1061,8 @@ goto done; } - if (sid_check_is_in_unix_users(&user_sid)) { + if (sid_check_is_in_our_domain(&user_sid)) { - /* This is a unix user not in passdb. We need to ask nss - * directly, without consulting passdb */ - - struct passwd *pass; - size_t i; - - pass = getpwuid_alloc(tmp_ctx, *uid); - if (pass == NULL) { - DEBUG(1, ("getpwuid(%d) for user %s failed\n", - *uid, username)); - goto done; - } - - *gid = pass->pw_gid; - gid_to_sid(&primary_group_sid, pass->pw_gid); - - if (!getgroups_unix_user(tmp_ctx, username, pass->pw_gid, - &gids, &num_group_sids)) { - DEBUG(1, ("getgroups_unix_user for user %s failed\n", - username)); - goto done; - } - - group_sids = talloc_array(tmp_ctx, DOM_SID, num_group_sids); - if (group_sids == NULL) { - DEBUG(1, ("talloc_array failed\n")); - result = NT_STATUS_NO_MEMORY; - goto done; - } - - for (i=0; i<num_group_sids; i++) { - gid_to_sid(&group_sids[i], gids[i]); - } - *found_username = talloc_strdup(mem_ctx, pass->pw_name); - - } else if (sid_check_is_in_our_domain(&user_sid)) { - /* This is a passdb user, so ask passdb */ struct samu *sam_acct = NULL; @@ -1113,14 +1076,13 @@ if (!pdb_getsampwsid(sam_acct, &user_sid)) { DEBUG(1, ("pdb_getsampwsid(%s) for user %s failed\n", sid_string_static(&user_sid), username)); - result = NT_STATUS_NO_SUCH_USER; - goto done; + DEBUGADD(1, ("Fall back to unix user %s\n", username)); + goto unix_user; } gr_sid = pdb_get_group_sid(sam_acct); if (!gr_sid) { - result = NT_STATUS_NO_MEMORY; - goto done; + goto unix_user; } sid_copy(&primary_group_sid, gr_sid); @@ -1128,7 +1090,8 @@ if (!sid_to_gid(&primary_group_sid, gid)) { DEBUG(1, ("sid_to_gid(%s) failed\n", sid_string_static(&primary_group_sid))); - goto done; + DEBUGADD(1, ("Fall back to unix user %s\n", username)); + goto unix_user; } result = pdb_enum_group_memberships(tmp_ctx, sam_acct, @@ -1137,12 +1100,60 @@ if (!NT_STATUS_IS_OK(result)) { DEBUG(10, ("enum_group_memberships failed for %s\n", username)); - goto done; + DEBUGADD(1, ("Fall back to unix user %s\n", username)); + goto unix_user; } *found_username = talloc_strdup(mem_ctx, pdb_get_username(sam_acct)); + } else if (sid_check_is_in_unix_users(&user_sid)) { + + /* This is a unix user not in passdb. We need to ask nss + * directly, without consulting passdb */ + + struct passwd *pass; + size_t i; + + /* + * This goto target is used as a fallback for the passdb + * case. The concrete bug report is when passdb gave us an + * unmapped gid. + */ + + unix_user: + + uid_to_unix_users_sid(*uid, &user_sid); + + pass = getpwuid_alloc(tmp_ctx, *uid); + if (pass == NULL) { + DEBUG(1, ("getpwuid(%d) for user %s failed\n", + *uid, username)); + goto done; + } + + *gid = pass->pw_gid; + gid_to_sid(&primary_group_sid, pass->pw_gid); + + if (!getgroups_unix_user(tmp_ctx, username, pass->pw_gid, + &gids, &num_group_sids)) { + DEBUG(1, ("getgroups_unix_user for user %s failed\n", + username)); + goto done; + } + + group_sids = talloc_array(tmp_ctx, DOM_SID, num_group_sids); + if (group_sids == NULL) { + DEBUG(1, ("talloc_array failed\n")); + result = NT_STATUS_NO_MEMORY; + goto done; + } + + for (i=0; i<num_group_sids; i++) { + gid_to_sid(&group_sids[i], gids[i]); + } + *found_username = talloc_strdup(mem_ctx, pass->pw_name); + } else { /* This user is from winbind, force the primary gid to the Modified: trunk/source/passdb/lookup_sid.c =================================================================== --- trunk/source/passdb/lookup_sid.c 2006-07-07 19:01:15 UTC (rev 16866) +++ trunk/source/passdb/lookup_sid.c 2006-07-07 19:34:54 UTC (rev 16867) @@ -1122,8 +1122,7 @@ sid_append_rid(psid, algorithmic_pdb_uid_to_user_rid(uid)); goto done; } else { - sid_copy(psid, &global_sid_Unix_Users); - sid_append_rid(psid, uid); + uid_to_unix_users_sid(uid, psid); goto done; } Modified: trunk/source/passdb/util_unixsids.c =================================================================== --- trunk/source/passdb/util_unixsids.c 2006-07-07 19:01:15 UTC (rev 16866) +++ trunk/source/passdb/util_unixsids.c 2006-07-07 19:34:54 UTC (rev 16867) @@ -36,6 +36,12 @@ return sid_check_is_unix_users(&dom_sid); } +BOOL uid_to_unix_users_sid(uid_t uid, DOM_SID *sid) +{ + sid_copy(sid, &global_sid_Unix_Users); + return sid_append_rid(sid, uid); +} + const char *unix_users_domain_name(void) { return "Unix User";
