/* Unix SMB/CIFS implementation. Winbind client API Copyright (C) Gerald (Jerry) Carter 2007-2008 This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* Required Headers */ #include "libwbclient.h" /** @brief Ping winbindd to see if the daemon is running * * @return #wbcErr **/ wbcErr wbcPing(void) { struct winbindd_request request; struct winbindd_response response; /* Initialize request */ ZERO_STRUCT(request); ZERO_STRUCT(response); return wbcRequestResponse(WINBINDD_PING, &request, &response); } wbcErr wbcInterfaceDetails(struct wbcInterfaceDetails **_details) { wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; struct wbcInterfaceDetails *info; struct wbcDomainInfo *domain = NULL; struct winbindd_request request; struct winbindd_response response; /* Initialize request */ ZERO_STRUCT(request); ZERO_STRUCT(response); info = talloc(NULL, struct wbcInterfaceDetails); BAIL_ON_PTR_ERROR(info, wbc_status); /* first the interface version */ wbc_status = wbcRequestResponse(WINBINDD_INTERFACE_VERSION, NULL, &response); BAIL_ON_WBC_ERROR(wbc_status); info->interface_version = response.data.interface_version; /* then the samba version and the winbind separator */ wbc_status = wbcRequestResponse(WINBINDD_INFO, NULL, &response); BAIL_ON_WBC_ERROR(wbc_status); info->winbind_version = talloc_strdup(info, response.data.info.samba_version); BAIL_ON_PTR_ERROR(info->winbind_version, wbc_status); info->winbind_separator = response.data.info.winbind_separator; /* then the local netbios name */ wbc_status = wbcRequestResponse(WINBINDD_NETBIOS_NAME, NULL, &response); BAIL_ON_WBC_ERROR(wbc_status); info->netbios_name = talloc_strdup(info, response.data.netbios_name); BAIL_ON_PTR_ERROR(info->netbios_name, wbc_status); /* then the local workgroup name */ wbc_status = wbcRequestResponse(WINBINDD_DOMAIN_NAME, NULL, &response); BAIL_ON_WBC_ERROR(wbc_status); info->netbios_domain = talloc_strdup(info, response.data.domain_name); BAIL_ON_PTR_ERROR(info->netbios_domain, wbc_status); wbc_status = wbcDomainInfo(info->netbios_domain, &domain); if (wbc_status == WBC_ERR_DOMAIN_NOT_FOUND) { /* maybe it's a standalone server */ domain = NULL; wbc_status = WBC_ERR_SUCCESS; } else { BAIL_ON_WBC_ERROR(wbc_status); } if (domain) { info->dns_domain = talloc_strdup(info, domain->dns_name); wbcFreeMemory(domain); BAIL_ON_PTR_ERROR(info->dns_domain, wbc_status); } else { info->dns_domain = NULL; } *_details = info; info = NULL; wbc_status = WBC_ERR_SUCCESS; done: talloc_free(info); return wbc_status; } /** @brief Lookup the current status of a trusted domain * * @param domain Domain to query * @param *dinfo Pointer to returned domain_info struct * * @return #wbcErr * **/ wbcErr wbcDomainInfo(const char *domain, struct wbcDomainInfo **dinfo) { struct winbindd_request request; struct winbindd_response response; wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; struct wbcDomainInfo *info = NULL; if (!domain || !dinfo) { wbc_status = WBC_ERR_INVALID_PARAM; BAIL_ON_WBC_ERROR(wbc_status); } /* Initialize request */ ZERO_STRUCT(request); ZERO_STRUCT(response); strncpy(request.domain_name, domain, sizeof(request.domain_name)-1); wbc_status = wbcRequestResponse(WINBINDD_DOMAIN_INFO, &request, &response); BAIL_ON_WBC_ERROR(wbc_status); info = talloc(NULL, struct wbcDomainInfo); BAIL_ON_PTR_ERROR(info, wbc_status); info->short_name = talloc_strdup(info, response.data.domain_info.name); BAIL_ON_PTR_ERROR(info->short_name, wbc_status); info->dns_name = talloc_strdup(info, response.data.domain_info.alt_name); BAIL_ON_PTR_ERROR(info->dns_name, wbc_status); wbc_status = wbcStringToSid(response.data.domain_info.sid, &info->sid); BAIL_ON_WBC_ERROR(wbc_status); if (response.data.domain_info.native_mode) info->domain_flags |= WBC_DOMINFO_NATIVE; if (response.data.domain_info.active_directory) info->domain_flags |= WBC_DOMINFO_AD; if (response.data.domain_info.primary) info->domain_flags |= WBC_DOMINFO_PRIMARY; *dinfo = info; wbc_status = WBC_ERR_SUCCESS; done: if (!WBC_ERROR_IS_OK(wbc_status)) { talloc_free(info); } return wbc_status; } /** @brief Resolve a NetbiosName via WINS * * @param name Name to resolve * @param *ip Pointer to the ip address string * * @return #wbcErr * **/ wbcErr wbcResolveWinsByName(const char *name, char **ip) { struct winbindd_request request; struct winbindd_response response; wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; char *ipaddr; ZERO_STRUCT(request); ZERO_STRUCT(response); /* Send request */ strncpy(request.data.winsreq, name, sizeof(request.data.winsreq)-1); wbc_status = wbcRequestResponse(WINBINDD_WINS_BYNAME, &request, &response); BAIL_ON_WBC_ERROR(wbc_status); /* Display response */ ipaddr = talloc_strdup(NULL, response.data.winsresp); BAIL_ON_PTR_ERROR(ipaddr, wbc_status); *ip = ipaddr; wbc_status = WBC_ERR_SUCCESS; done: return wbc_status; } /** @brief Resolve an IP address via WINS into a NetbiosName * * @param ip The ip address string * @param *name Pointer to the name * * @return #wbcErr * **/ wbcErr wbcResolveWinsByIP(const char *ip, char **name) { struct winbindd_request request; struct winbindd_response response; wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; char *name_str; ZERO_STRUCT(request); ZERO_STRUCT(response); /* Send request */ strncpy(request.data.winsreq, ip, sizeof(request.data.winsreq)-1); wbc_status = wbcRequestResponse(WINBINDD_WINS_BYIP, &request, &response); BAIL_ON_WBC_ERROR(wbc_status); /* Display response */ name_str = talloc_strdup(NULL, response.data.winsresp); BAIL_ON_PTR_ERROR(name_str, wbc_status); *name = name_str; wbc_status = WBC_ERR_SUCCESS; done: return wbc_status; } /** */ static wbcErr process_domain_info_string(TALLOC_CTX *ctx, struct wbcDomainInfo *info, char *info_string) { wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; char *r = NULL; char *s = NULL; if (!info || !info_string) { wbc_status = WBC_ERR_INVALID_PARAM; BAIL_ON_WBC_ERROR(wbc_status); } r = info_string; /* Short Name */ if ((s = strchr(r, '\\')) == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } *s = '\0'; s++; info->short_name = talloc_strdup(ctx, r); BAIL_ON_PTR_ERROR(info->short_name, wbc_status); /* DNS Name */ r = s; if ((s = strchr(r, '\\')) == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } *s = '\0'; s++; info->dns_name = talloc_strdup(ctx, r); BAIL_ON_PTR_ERROR(info->dns_name, wbc_status); /* SID */ r = s; if ((s = strchr(r, '\\')) == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } *s = '\0'; s++; wbc_status = wbcStringToSid(r, &info->sid); BAIL_ON_WBC_ERROR(wbc_status); /* Trust type */ r = s; if ((s = strchr(r, '\\')) == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } *s = '\0'; s++; if (strcmp(r, "None") == 0) { info->trust_type = WBC_DOMINFO_TRUSTTYPE_NONE; } else if (strcmp(r, "External") == 0) { info->trust_type = WBC_DOMINFO_TRUSTTYPE_EXTERNAL; } else if (strcmp(r, "Forest") == 0) { info->trust_type = WBC_DOMINFO_TRUSTTYPE_FOREST; } else if (strcmp(r, "In Forest") == 0) { info->trust_type = WBC_DOMINFO_TRUSTTYPE_IN_FOREST; } else { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } /* Transitive */ r = s; if ((s = strchr(r, '\\')) == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } *s = '\0'; s++; if (strcmp(r, "Yes") == 0) { info->trust_flags |= WBC_DOMINFO_TRUST_TRANSITIVE; } /* Incoming */ r = s; if ((s = strchr(r, '\\')) == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } *s = '\0'; s++; if (strcmp(r, "Yes") == 0) { info->trust_flags |= WBC_DOMINFO_TRUST_INCOMING; } /* Outgoing */ r = s; if (r == NULL) { wbc_status = WBC_ERR_INVALID_RESPONSE; BAIL_ON_WBC_ERROR(wbc_status); } if (strcmp(r, "Yes") == 0) { info->trust_flags |= WBC_DOMINFO_TRUST_OUTGOING; } wbc_status = WBC_ERR_SUCCESS; done: return wbc_status; } /** @brief Enumerate the domain trusts known by Winbind * * @param **domains Pointer to the allocated domain list array * @param *num_domains Pointer to number of domains returned * * @return #wbcErr * **/ wbcErr wbcListTrusts(struct wbcDomainInfo **domains, size_t *num_domains) { struct winbindd_response response; wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; char *p = NULL; char *q = NULL; char *extra_data = NULL; int count = 0; struct wbcDomainInfo *d_list = NULL; int i = 0; *domains = NULL; *num_domains = 0; ZERO_STRUCT(response); /* Send request */ wbc_status = wbcRequestResponse(WINBINDD_LIST_TRUSTDOM, NULL, &response); BAIL_ON_WBC_ERROR(wbc_status); /* Decode the response */ p = (char *)response.extra_data.data; if (strlen(p) == 0) { /* We should always at least get back our own SAM domain */ wbc_status = WBC_ERR_DOMAIN_NOT_FOUND; BAIL_ON_WBC_ERROR(wbc_status); } /* Count number of domains */ count = 0; while (p) { count++; if ((q = strchr(p, '\n')) != NULL) q++; p = q; } d_list = talloc_array(NULL, struct wbcDomainInfo, count); BAIL_ON_PTR_ERROR(d_list, wbc_status); extra_data = strdup((char*)response.extra_data.data); BAIL_ON_PTR_ERROR(extra_data, wbc_status); p = extra_data; /* Outer loop processes the list of domain information */ for (i=0; i<count && p; i++) { char *next = strchr(p, '\n'); if (next) { *next = '\0'; next++; } wbc_status = process_domain_info_string(d_list, &d_list[i], p); BAIL_ON_WBC_ERROR(wbc_status); p = next; } *domains = d_list; *num_domains = i; done: if (!WBC_ERROR_IS_OK(wbc_status)) { if (d_list) talloc_free(d_list); if (extra_data) free(extra_data); } return wbc_status; }