diff options
Diffstat (limited to 'source3/nsswitch/libwbclient/wbc_util.c')
| -rw-r--r-- | source3/nsswitch/libwbclient/wbc_util.c | 552 |
1 files changed, 552 insertions, 0 deletions
diff --git a/source3/nsswitch/libwbclient/wbc_util.c b/source3/nsswitch/libwbclient/wbc_util.c new file mode 100644 index 0000000000..24568f9101 --- /dev/null +++ b/source3/nsswitch/libwbclient/wbc_util.c @@ -0,0 +1,552 @@ +/* + 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_DOMAIN_NATIVE; + if (response.data.domain_info.active_directory) + info->domain_flags |= WBC_DOMINFO_DOMAIN_AD; + if (response.data.domain_info.primary) + info->domain_flags |= WBC_DOMINFO_DOMAIN_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 ((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_OUTGOING; + } + + /* Online/Offline status */ + + r = s; + if (r == NULL) { + wbc_status = WBC_ERR_INVALID_RESPONSE; + BAIL_ON_WBC_ERROR(wbc_status); + } + if ( strcmp(r, "Offline") == 0) { + info->domain_flags |= WBC_DOMINFO_DOMAIN_OFFLINE; + } + + 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; +} + +/** @brief Enumerate the domain trusts known by Winbind + * + * @param domain Name of the domain to query for a DC + * @flags Bit flags used to control the domain location query + * @param *dc_info Pointer to the returned domain controller information + * + * @return #wbcErr + * + **/ + + + +wbcErr wbcLookupDomainController(const char *domain, + uint32_t flags, + struct wbcDomainControllerInfo **dc_info) +{ + wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE; + struct winbindd_request request; + struct winbindd_response response; + struct wbcDomainControllerInfo *dc = NULL; + + /* validate input params */ + + if (!domain || !dc_info) { + wbc_status = WBC_ERR_INVALID_PARAM; + BAIL_ON_WBC_ERROR(wbc_status); + } + + ZERO_STRUCT(request); + ZERO_STRUCT(response); + + strncpy(request.domain_name, domain, sizeof(request.domain_name)-1); + + request.flags = flags; + + dc = talloc(NULL, struct wbcDomainControllerInfo); + BAIL_ON_PTR_ERROR(dc, wbc_status); + + /* Send request */ + + wbc_status = wbcRequestResponse(WINBINDD_DSGETDCNAME, + &request, + &response); + BAIL_ON_WBC_ERROR(wbc_status); + + dc->dc_name = talloc_strdup(dc, response.data.dc_name); + BAIL_ON_PTR_ERROR(dc->dc_name, wbc_status); + + *dc_info = dc; + +done: + if (!WBC_ERROR_IS_OK(wbc_status)) { + talloc_free(dc); + } + + return wbc_status; +} |