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-rw-r--r--nsswitch/libwbclient/wbc_sid.c1124
1 files changed, 1124 insertions, 0 deletions
diff --git a/nsswitch/libwbclient/wbc_sid.c b/nsswitch/libwbclient/wbc_sid.c
new file mode 100644
index 0000000..fd82510
--- /dev/null
+++ b/nsswitch/libwbclient/wbc_sid.c
@@ -0,0 +1,1124 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Winbind client API
+
+ Copyright (C) Gerald (Jerry) Carter 2007
+ Copyright (C) Volker Lendecke 2010
+
+
+ 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 "replace.h"
+#include "libwbclient.h"
+#include "../winbind_client.h"
+#include "lib/util/smb_strtox.h"
+
+/* Convert a sid to a string into a buffer. Return the string
+ * length. If buflen is too small, return the string length that would
+ * result if it was long enough. */
+_PUBLIC_
+int wbcSidToStringBuf(const struct wbcDomainSid *sid, char *buf, int buflen)
+{
+ uint64_t id_auth;
+ int i, ofs;
+
+ if (!sid) {
+ strlcpy(buf, "(NULL SID)", buflen);
+ return 10; /* strlen("(NULL SID)") */
+ }
+
+ id_auth = (uint64_t)sid->id_auth[5] +
+ ((uint64_t)sid->id_auth[4] << 8) +
+ ((uint64_t)sid->id_auth[3] << 16) +
+ ((uint64_t)sid->id_auth[2] << 24) +
+ ((uint64_t)sid->id_auth[1] << 32) +
+ ((uint64_t)sid->id_auth[0] << 40);
+
+ ofs = snprintf(buf, buflen, "S-%hhu-", (unsigned char)sid->sid_rev_num);
+ if (id_auth >= UINT32_MAX) {
+ ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "0x%llx",
+ (unsigned long long)id_auth);
+ } else {
+ ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "%llu",
+ (unsigned long long)id_auth);
+ }
+
+ for (i = 0; i < sid->num_auths; i++) {
+ ofs += snprintf(buf + ofs, MAX(buflen - ofs, 0), "-%u",
+ (unsigned int)sid->sub_auths[i]);
+ }
+ return ofs;
+}
+
+/* Convert a binary SID to a character string */
+_PUBLIC_
+wbcErr wbcSidToString(const struct wbcDomainSid *sid,
+ char **sid_string)
+{
+ char buf[WBC_SID_STRING_BUFLEN];
+ char *result;
+ int len;
+
+ if (!sid) {
+ return WBC_ERR_INVALID_SID;
+ }
+
+ len = wbcSidToStringBuf(sid, buf, sizeof(buf));
+
+ if (len >= WBC_SID_STRING_BUFLEN) {
+ return WBC_ERR_INVALID_SID;
+ }
+
+ result = (char *)wbcAllocateMemory(len+1, 1, NULL);
+ if (result == NULL) {
+ return WBC_ERR_NO_MEMORY;
+ }
+ memcpy(result, buf, len+1);
+
+ *sid_string = result;
+ return WBC_ERR_SUCCESS;
+}
+
+#define AUTHORITY_MASK (~(0xffffffffffffULL))
+
+/* Convert a character string to a binary SID */
+_PUBLIC_
+wbcErr wbcStringToSid(const char *str,
+ struct wbcDomainSid *sid)
+{
+ const char *p;
+ char *q;
+ int error = 0;
+ uint64_t x;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+
+ if (!sid) {
+ wbc_status = WBC_ERR_INVALID_PARAM;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ /* Sanity check for either "S-" or "s-" */
+
+ if (!str
+ || (str[0]!='S' && str[0]!='s')
+ || (str[1]!='-'))
+ {
+ wbc_status = WBC_ERR_INVALID_PARAM;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ /* Get the SID revision number */
+
+ p = str+2;
+ x = (uint64_t)smb_strtoul(p, &q, 10, &error, SMB_STR_STANDARD);
+ if (x == 0 || x > UINT8_MAX || !q || *q != '-' || error != 0) {
+ wbc_status = WBC_ERR_INVALID_SID;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+ sid->sid_rev_num = (uint8_t)x;
+
+ /*
+ * Next the Identifier Authority. This is stored big-endian in a
+ * 6 byte array. If the authority value is >= UINT_MAX, then it should
+ * be expressed as a hex value, according to MS-DTYP.
+ */
+ p = q+1;
+ x = smb_strtoull(p, &q, 0, &error, SMB_STR_STANDARD);
+ if (!q || *q != '-' || (x & AUTHORITY_MASK) || error != 0) {
+ wbc_status = WBC_ERR_INVALID_SID;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+ sid->id_auth[5] = (x & 0x0000000000ffULL);
+ sid->id_auth[4] = (x & 0x00000000ff00ULL) >> 8;
+ sid->id_auth[3] = (x & 0x000000ff0000ULL) >> 16;
+ sid->id_auth[2] = (x & 0x0000ff000000ULL) >> 24;
+ sid->id_auth[1] = (x & 0x00ff00000000ULL) >> 32;
+ sid->id_auth[0] = (x & 0xff0000000000ULL) >> 40;
+
+ /* now read the the subauthorities */
+ p = q +1;
+ sid->num_auths = 0;
+ while (sid->num_auths < WBC_MAXSUBAUTHS) {
+ x = smb_strtoull(p, &q, 10, &error, SMB_STR_ALLOW_NO_CONVERSION);
+ if (p == q)
+ break;
+ if (x > UINT32_MAX || error != 0) {
+ wbc_status = WBC_ERR_INVALID_SID;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+ sid->sub_auths[sid->num_auths++] = x;
+
+ if (*q != '-') {
+ break;
+ }
+ p = q + 1;
+ }
+
+ /* IF we ended early, then the SID could not be converted */
+
+ if (q && *q!='\0') {
+ wbc_status = WBC_ERR_INVALID_SID;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ wbc_status = WBC_ERR_SUCCESS;
+
+done:
+ return wbc_status;
+
+}
+
+
+/* Convert a domain and name to SID */
+_PUBLIC_
+wbcErr wbcCtxLookupName(struct wbcContext *ctx,
+ const char *domain,
+ const char *name,
+ struct wbcDomainSid *sid,
+ enum wbcSidType *name_type)
+{
+ struct winbindd_request request;
+ struct winbindd_response response;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+
+ if (!sid || !name_type) {
+ wbc_status = WBC_ERR_INVALID_PARAM;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ /* Initialize request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ /* dst is already null terminated from the memset above */
+
+ strncpy(request.data.name.dom_name, domain,
+ sizeof(request.data.name.dom_name)-1);
+ strncpy(request.data.name.name, name,
+ sizeof(request.data.name.name)-1);
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_LOOKUPNAME,
+ &request,
+ &response);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ wbc_status = wbcStringToSid(response.data.sid.sid, sid);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ *name_type = (enum wbcSidType)response.data.sid.type;
+
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcLookupName(const char *domain,
+ const char *name,
+ struct wbcDomainSid *sid,
+ enum wbcSidType *name_type)
+{
+ return wbcCtxLookupName(NULL, domain, name, sid, name_type);
+}
+
+
+/* Convert a SID to a domain and name */
+_PUBLIC_
+wbcErr wbcCtxLookupSid(struct wbcContext *ctx,
+ const struct wbcDomainSid *sid,
+ char **pdomain,
+ char **pname,
+ enum wbcSidType *pname_type)
+{
+ struct winbindd_request request;
+ struct winbindd_response response;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ char *domain, *name;
+
+ if (!sid) {
+ return WBC_ERR_INVALID_PARAM;
+ }
+
+ /* Initialize request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ wbcSidToStringBuf(sid, request.data.sid, sizeof(request.data.sid));
+
+ /* Make request */
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_LOOKUPSID,
+ &request,
+ &response);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ return wbc_status;
+ }
+
+ /* Copy out result */
+
+ wbc_status = WBC_ERR_NO_MEMORY;
+ domain = NULL;
+ name = NULL;
+
+ domain = wbcStrDup(response.data.name.dom_name);
+ if (domain == NULL) {
+ goto done;
+ }
+ name = wbcStrDup(response.data.name.name);
+ if (name == NULL) {
+ goto done;
+ }
+ if (pdomain != NULL) {
+ *pdomain = domain;
+ domain = NULL;
+ }
+ if (pname != NULL) {
+ *pname = name;
+ name = NULL;
+ }
+ if (pname_type != NULL) {
+ *pname_type = (enum wbcSidType)response.data.name.type;
+ }
+ wbc_status = WBC_ERR_SUCCESS;
+done:
+ wbcFreeMemory(name);
+ wbcFreeMemory(domain);
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcLookupSid(const struct wbcDomainSid *sid,
+ char **pdomain,
+ char **pname,
+ enum wbcSidType *pname_type)
+{
+ return wbcCtxLookupSid(NULL, sid, pdomain, pname, pname_type);
+}
+
+static void wbcDomainInfosDestructor(void *ptr)
+{
+ struct wbcDomainInfo *i = (struct wbcDomainInfo *)ptr;
+
+ while (i->short_name != NULL) {
+ wbcFreeMemory(i->short_name);
+ wbcFreeMemory(i->dns_name);
+ i += 1;
+ }
+}
+
+static void wbcTranslatedNamesDestructor(void *ptr)
+{
+ struct wbcTranslatedName *n = (struct wbcTranslatedName *)ptr;
+
+ while (n->name != NULL) {
+ wbcFreeMemory(n->name);
+ n += 1;
+ }
+}
+
+_PUBLIC_
+wbcErr wbcCtxLookupSids(struct wbcContext *ctx,
+ const struct wbcDomainSid *sids, int num_sids,
+ struct wbcDomainInfo **pdomains, int *pnum_domains,
+ struct wbcTranslatedName **pnames)
+{
+ struct winbindd_request request;
+ struct winbindd_response response;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ int buflen, i, extra_len, num_domains, num_names;
+ char *sidlist, *p, *q, *extra_data;
+ struct wbcDomainInfo *domains = NULL;
+ struct wbcTranslatedName *names = NULL;
+ int error = 0;
+
+ buflen = num_sids * (WBC_SID_STRING_BUFLEN + 1) + 1;
+
+ sidlist = (char *)malloc(buflen);
+ if (sidlist == NULL) {
+ return WBC_ERR_NO_MEMORY;
+ }
+
+ p = sidlist;
+
+ for (i=0; i<num_sids; i++) {
+ int remaining;
+ int len;
+
+ remaining = buflen - (p - sidlist);
+
+ len = wbcSidToStringBuf(&sids[i], p, remaining);
+ if (len > remaining) {
+ free(sidlist);
+ return WBC_ERR_UNKNOWN_FAILURE;
+ }
+
+ p += len;
+ *p++ = '\n';
+ }
+ *p++ = '\0';
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ request.extra_data.data = sidlist;
+ request.extra_len = p - sidlist;
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_LOOKUPSIDS,
+ &request, &response);
+ free(sidlist);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ return wbc_status;
+ }
+
+ extra_len = response.length - sizeof(struct winbindd_response);
+ extra_data = (char *)response.extra_data.data;
+
+ if ((extra_len <= 0) || (extra_data[extra_len-1] != '\0')) {
+ goto wbc_err_invalid;
+ }
+
+ p = extra_data;
+
+ num_domains = smb_strtoul(p, &q, 10, &error, SMB_STR_STANDARD);
+ if (*q != '\n' || error != 0) {
+ goto wbc_err_invalid;
+ }
+ p = q+1;
+
+ domains = (struct wbcDomainInfo *)wbcAllocateMemory(
+ num_domains+1, sizeof(struct wbcDomainInfo),
+ wbcDomainInfosDestructor);
+ if (domains == NULL) {
+ wbc_status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+
+ for (i=0; i<num_domains; i++) {
+
+ q = strchr(p, ' ');
+ if (q == NULL) {
+ goto wbc_err_invalid;
+ }
+ *q = '\0';
+ wbc_status = wbcStringToSid(p, &domains[i].sid);
+ if (!WBC_ERROR_IS_OK(wbc_status)) {
+ goto fail;
+ }
+ p = q+1;
+
+ q = strchr(p, '\n');
+ if (q == NULL) {
+ goto wbc_err_invalid;
+ }
+ *q = '\0';
+ domains[i].short_name = wbcStrDup(p);
+ if (domains[i].short_name == NULL) {
+ wbc_status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+ p = q+1;
+ }
+
+ num_names = smb_strtoul(p, &q, 10, &error, SMB_STR_STANDARD);
+ if (*q != '\n' || error != 0) {
+ goto wbc_err_invalid;
+ }
+ p = q+1;
+
+ if (num_names != num_sids) {
+ goto wbc_err_invalid;
+ }
+
+ names = (struct wbcTranslatedName *)wbcAllocateMemory(
+ num_names+1, sizeof(struct wbcTranslatedName),
+ wbcTranslatedNamesDestructor);
+ if (names == NULL) {
+ wbc_status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+
+ for (i=0; i<num_names; i++) {
+
+ names[i].domain_index = smb_strtoul(p,
+ &q,
+ 10,
+ &error,
+ SMB_STR_STANDARD);
+ if (names[i].domain_index < 0 || error != 0) {
+ goto wbc_err_invalid;
+ }
+ if (names[i].domain_index >= num_domains) {
+ goto wbc_err_invalid;
+ }
+
+ if (*q != ' ') {
+ goto wbc_err_invalid;
+ }
+ p = q+1;
+
+ names[i].type = smb_strtoul(p, &q, 10, &error, SMB_STR_STANDARD);
+ if (*q != ' ' || error != 0) {
+ goto wbc_err_invalid;
+ }
+ p = q+1;
+
+ q = strchr(p, '\n');
+ if (q == NULL) {
+ goto wbc_err_invalid;
+ }
+ *q = '\0';
+ names[i].name = wbcStrDup(p);
+ if (names[i].name == NULL) {
+ wbc_status = WBC_ERR_NO_MEMORY;
+ goto fail;
+ }
+ p = q+1;
+ }
+ if (*p != '\0') {
+ goto wbc_err_invalid;
+ }
+
+ *pdomains = domains;
+ *pnames = names;
+ winbindd_free_response(&response);
+ return WBC_ERR_SUCCESS;
+
+wbc_err_invalid:
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+fail:
+ winbindd_free_response(&response);
+ wbcFreeMemory(domains);
+ wbcFreeMemory(names);
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcLookupSids(const struct wbcDomainSid *sids, int num_sids,
+ struct wbcDomainInfo **pdomains, int *pnum_domains,
+ struct wbcTranslatedName **pnames)
+{
+ return wbcCtxLookupSids(NULL, sids, num_sids, pdomains,
+ pnum_domains, pnames);
+}
+
+/* Translate a collection of RIDs within a domain to names */
+
+_PUBLIC_
+wbcErr wbcCtxLookupRids(struct wbcContext *ctx, struct wbcDomainSid *dom_sid,
+ int num_rids,
+ uint32_t *rids,
+ const char **pp_domain_name,
+ const char ***pnames,
+ enum wbcSidType **ptypes)
+{
+ int i;
+ size_t len, ridbuf_size;
+ char *ridlist;
+ char *p;
+ int error = 0;
+ struct winbindd_request request;
+ struct winbindd_response response;
+ char *domain_name = NULL;
+ const char **names = NULL;
+ enum wbcSidType *types = NULL;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+
+ /* Initialise request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (!dom_sid || (num_rids == 0)) {
+ wbc_status = WBC_ERR_INVALID_PARAM;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ wbcSidToStringBuf(dom_sid, request.data.sid, sizeof(request.data.sid));
+
+ /* Even if all the Rids were of maximum 32bit values,
+ we would only have 11 bytes per rid in the final array
+ ("4294967296" + \n). Add one more byte for the
+ terminating '\0' */
+
+ ridbuf_size = (sizeof(char)*11) * num_rids + 1;
+
+ ridlist = (char *)malloc(ridbuf_size);
+ BAIL_ON_PTR_ERROR(ridlist, wbc_status);
+
+ len = 0;
+ for (i=0; i<num_rids; i++) {
+ len += snprintf(ridlist + len, ridbuf_size - len, "%u\n",
+ rids[i]);
+ }
+ ridlist[len] = '\0';
+ len += 1;
+
+ request.extra_data.data = ridlist;
+ request.extra_len = len;
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_LOOKUPRIDS,
+ &request,
+ &response);
+ free(ridlist);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ domain_name = wbcStrDup(response.data.domain_name);
+ BAIL_ON_PTR_ERROR(domain_name, wbc_status);
+
+ names = wbcAllocateStringArray(num_rids);
+ BAIL_ON_PTR_ERROR(names, wbc_status);
+
+ types = (enum wbcSidType *)wbcAllocateMemory(
+ num_rids, sizeof(enum wbcSidType), NULL);
+ BAIL_ON_PTR_ERROR(types, wbc_status);
+
+ p = (char *)response.extra_data.data;
+
+ for (i=0; i<num_rids; i++) {
+ char *q;
+
+ if (*p == '\0') {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ types[i] = (enum wbcSidType)smb_strtoul(p,
+ &q,
+ 10,
+ &error,
+ SMB_STR_STANDARD);
+
+ if (*q != ' ' || error != 0) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ p = q+1;
+
+ if ((q = strchr(p, '\n')) == NULL) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ *q = '\0';
+
+ names[i] = strdup(p);
+ BAIL_ON_PTR_ERROR(names[i], wbc_status);
+
+ p = q+1;
+ }
+
+ if (*p != '\0') {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ winbindd_free_response(&response);
+
+ if (WBC_ERROR_IS_OK(wbc_status)) {
+ *pp_domain_name = domain_name;
+ *pnames = names;
+ *ptypes = types;
+ }
+ else {
+ wbcFreeMemory(domain_name);
+ wbcFreeMemory(names);
+ wbcFreeMemory(types);
+ }
+
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcLookupRids(struct wbcDomainSid *dom_sid,
+ int num_rids,
+ uint32_t *rids,
+ const char **pp_domain_name,
+ const char ***pnames,
+ enum wbcSidType **ptypes)
+{
+ return wbcCtxLookupRids(NULL, dom_sid, num_rids, rids,
+ pp_domain_name, pnames, ptypes);
+}
+
+/* Get the groups a user belongs to */
+_PUBLIC_
+wbcErr wbcCtxLookupUserSids(struct wbcContext *ctx,
+ const struct wbcDomainSid *user_sid,
+ bool domain_groups_only,
+ uint32_t *num_sids,
+ struct wbcDomainSid **_sids)
+{
+ uint32_t i;
+ const char *s;
+ struct winbindd_request request;
+ struct winbindd_response response;
+ struct wbcDomainSid *sids = NULL;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ int cmd;
+
+ /* Initialise request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (!user_sid) {
+ wbc_status = WBC_ERR_INVALID_PARAM;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ wbcSidToStringBuf(user_sid, request.data.sid, sizeof(request.data.sid));
+
+ if (domain_groups_only) {
+ cmd = WINBINDD_GETUSERDOMGROUPS;
+ } else {
+ cmd = WINBINDD_GETUSERSIDS;
+ }
+
+ wbc_status = wbcRequestResponse(ctx, cmd,
+ &request,
+ &response);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ if (response.data.num_entries &&
+ !response.extra_data.data) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+
+ sids = (struct wbcDomainSid *)wbcAllocateMemory(
+ response.data.num_entries, sizeof(struct wbcDomainSid),
+ NULL);
+ BAIL_ON_PTR_ERROR(sids, wbc_status);
+
+ s = (const char *)response.extra_data.data;
+ for (i = 0; i < response.data.num_entries; i++) {
+ char *n = strchr(s, '\n');
+ if (n) {
+ *n = '\0';
+ }
+ wbc_status = wbcStringToSid(s, &sids[i]);
+ BAIL_ON_WBC_ERROR(wbc_status);
+ s += strlen(s) + 1;
+ }
+
+ *num_sids = response.data.num_entries;
+ *_sids = sids;
+ sids = NULL;
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ winbindd_free_response(&response);
+ if (sids) {
+ wbcFreeMemory(sids);
+ }
+
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcLookupUserSids(const struct wbcDomainSid *user_sid,
+ bool domain_groups_only,
+ uint32_t *num_sids,
+ struct wbcDomainSid **_sids)
+{
+ return wbcCtxLookupUserSids(NULL, user_sid, domain_groups_only,
+ num_sids, _sids);
+}
+
+static inline
+wbcErr _sid_to_rid(struct wbcDomainSid *sid, uint32_t *rid)
+{
+ if (sid->num_auths < 1) {
+ return WBC_ERR_INVALID_RESPONSE;
+ }
+ *rid = sid->sub_auths[sid->num_auths - 1];
+
+ return WBC_ERR_SUCCESS;
+}
+
+/* Get alias membership for sids */
+_PUBLIC_
+wbcErr wbcCtxGetSidAliases(struct wbcContext *ctx,
+ const struct wbcDomainSid *dom_sid,
+ struct wbcDomainSid *sids,
+ uint32_t num_sids,
+ uint32_t **alias_rids,
+ uint32_t *num_alias_rids)
+{
+ uint32_t i;
+ const char *s;
+ struct winbindd_request request;
+ struct winbindd_response response;
+ ssize_t extra_data_len = 0;
+ char * extra_data = NULL;
+ ssize_t buflen = 0;
+ struct wbcDomainSid sid;
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ uint32_t * rids = NULL;
+
+ /* Initialise request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (!dom_sid) {
+ wbc_status = WBC_ERR_INVALID_PARAM;
+ goto done;
+ }
+
+ wbcSidToStringBuf(dom_sid, request.data.sid, sizeof(request.data.sid));
+
+ /* Lets assume each sid is around 57 characters
+ * S-1-5-21-AAAAAAAAAAA-BBBBBBBBBBB-CCCCCCCCCCC-DDDDDDDDDDD\n */
+ buflen = 57 * num_sids;
+ extra_data = (char *)malloc(buflen);
+ if (!extra_data) {
+ wbc_status = WBC_ERR_NO_MEMORY;
+ goto done;
+ }
+
+ /* Build the sid list */
+ for (i=0; i<num_sids; i++) {
+ char sid_str[WBC_SID_STRING_BUFLEN];
+ size_t sid_len;
+
+ sid_len = wbcSidToStringBuf(&sids[i], sid_str, sizeof(sid_str));
+
+ if (buflen < extra_data_len + sid_len + 2) {
+ char * tmp_data = NULL;
+ buflen *= 2;
+ tmp_data = (char *)realloc(extra_data, buflen);
+ if (!tmp_data) {
+ wbc_status = WBC_ERR_NO_MEMORY;
+ BAIL_ON_WBC_ERROR(wbc_status);
+ }
+ extra_data = tmp_data;
+ }
+
+ strncpy(&extra_data[extra_data_len], sid_str,
+ buflen - extra_data_len);
+ extra_data_len += sid_len;
+ extra_data[extra_data_len++] = '\n';
+ extra_data[extra_data_len] = '\0';
+ }
+ extra_data_len += 1;
+
+ request.extra_data.data = extra_data;
+ request.extra_len = extra_data_len;
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_GETSIDALIASES,
+ &request,
+ &response);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ if (response.data.num_entries &&
+ !response.extra_data.data) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ rids = (uint32_t *)wbcAllocateMemory(response.data.num_entries,
+ sizeof(uint32_t), NULL);
+ BAIL_ON_PTR_ERROR(rids, wbc_status);
+
+ s = (const char *)response.extra_data.data;
+ for (i = 0; i < response.data.num_entries; i++) {
+ char *n = strchr(s, '\n');
+ if (n) {
+ *n = '\0';
+ }
+ wbc_status = wbcStringToSid(s, &sid);
+ BAIL_ON_WBC_ERROR(wbc_status);
+ wbc_status = _sid_to_rid(&sid, &rids[i]);
+ BAIL_ON_WBC_ERROR(wbc_status);
+ s += strlen(s) + 1;
+ }
+
+ *num_alias_rids = response.data.num_entries;
+ *alias_rids = rids;
+ rids = NULL;
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ free(extra_data);
+ winbindd_free_response(&response);
+ wbcFreeMemory(rids);
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcGetSidAliases(const struct wbcDomainSid *dom_sid,
+ struct wbcDomainSid *sids,
+ uint32_t num_sids,
+ uint32_t **alias_rids,
+ uint32_t *num_alias_rids)
+{
+ return wbcCtxGetSidAliases(NULL, dom_sid, sids, num_sids,
+ alias_rids, num_alias_rids);
+}
+
+
+/* Lists Users */
+_PUBLIC_
+wbcErr wbcCtxListUsers(struct wbcContext *ctx,
+ const char *domain_name,
+ uint32_t *_num_users,
+ const char ***_users)
+{
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ struct winbindd_request request;
+ struct winbindd_response response;
+ uint32_t num_users = 0;
+ const char **users = NULL;
+ const char *next;
+
+ /* Initialise request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (domain_name) {
+ strncpy(request.domain_name, domain_name,
+ sizeof(request.domain_name)-1);
+ }
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_LIST_USERS,
+ &request,
+ &response);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ users = wbcAllocateStringArray(response.data.num_entries);
+ if (users == NULL) {
+ return WBC_ERR_NO_MEMORY;
+ }
+
+ /* Look through extra data */
+
+ next = (const char *)response.extra_data.data;
+ while (next) {
+ const char *current;
+ char *k;
+
+ if (num_users >= response.data.num_entries) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ current = next;
+ k = strchr(next, ',');
+
+ if (k) {
+ k[0] = '\0';
+ next = k+1;
+ } else {
+ next = NULL;
+ }
+
+ users[num_users] = strdup(current);
+ BAIL_ON_PTR_ERROR(users[num_users], wbc_status);
+ num_users += 1;
+ }
+ if (num_users != response.data.num_entries) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ *_num_users = response.data.num_entries;
+ *_users = users;
+ users = NULL;
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ winbindd_free_response(&response);
+ wbcFreeMemory(users);
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcListUsers(const char *domain_name,
+ uint32_t *_num_users,
+ const char ***_users)
+{
+ return wbcCtxListUsers(NULL, domain_name, _num_users, _users);
+}
+
+/* Lists Groups */
+_PUBLIC_
+wbcErr wbcCtxListGroups(struct wbcContext *ctx,
+ const char *domain_name,
+ uint32_t *_num_groups,
+ const char ***_groups)
+{
+ wbcErr wbc_status = WBC_ERR_UNKNOWN_FAILURE;
+ struct winbindd_request request;
+ struct winbindd_response response;
+ uint32_t num_groups = 0;
+ const char **groups = NULL;
+ const char *next;
+
+ /* Initialise request */
+
+ ZERO_STRUCT(request);
+ ZERO_STRUCT(response);
+
+ if (domain_name) {
+ strncpy(request.domain_name, domain_name,
+ sizeof(request.domain_name)-1);
+ }
+
+ wbc_status = wbcRequestResponse(ctx, WINBINDD_LIST_GROUPS,
+ &request,
+ &response);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ groups = wbcAllocateStringArray(response.data.num_entries);
+ if (groups == NULL) {
+ return WBC_ERR_NO_MEMORY;
+ }
+
+ /* Look through extra data */
+
+ next = (const char *)response.extra_data.data;
+ while (next) {
+ const char *current;
+ char *k;
+
+ if (num_groups >= response.data.num_entries) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ current = next;
+ k = strchr(next, ',');
+
+ if (k) {
+ k[0] = '\0';
+ next = k+1;
+ } else {
+ next = NULL;
+ }
+
+ groups[num_groups] = strdup(current);
+ BAIL_ON_PTR_ERROR(groups[num_groups], wbc_status);
+ num_groups += 1;
+ }
+ if (num_groups != response.data.num_entries) {
+ wbc_status = WBC_ERR_INVALID_RESPONSE;
+ goto done;
+ }
+
+ *_num_groups = response.data.num_entries;
+ *_groups = groups;
+ groups = NULL;
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ winbindd_free_response(&response);
+ wbcFreeMemory(groups);
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcListGroups(const char *domain_name,
+ uint32_t *_num_groups,
+ const char ***_groups)
+{
+ return wbcCtxListGroups(NULL, domain_name, _num_groups, _groups);
+}
+
+_PUBLIC_
+wbcErr wbcCtxGetDisplayName(struct wbcContext *ctx,
+ const struct wbcDomainSid *sid,
+ char **pdomain,
+ char **pfullname,
+ enum wbcSidType *pname_type)
+{
+ wbcErr wbc_status;
+ char *domain = NULL;
+ char *name = NULL;
+ enum wbcSidType name_type;
+
+ wbc_status = wbcCtxLookupSid(ctx, sid, &domain, &name, &name_type);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ if (name_type == WBC_SID_NAME_USER) {
+ uid_t uid;
+ struct passwd *pwd;
+
+ wbc_status = wbcCtxSidToUid(ctx, sid, &uid);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ wbc_status = wbcCtxGetpwuid(ctx, uid, &pwd);
+ BAIL_ON_WBC_ERROR(wbc_status);
+
+ wbcFreeMemory(name);
+
+ name = wbcStrDup(pwd->pw_gecos);
+ wbcFreeMemory(pwd);
+ BAIL_ON_PTR_ERROR(name, wbc_status);
+ }
+
+ wbc_status = WBC_ERR_SUCCESS;
+
+ done:
+ if (WBC_ERROR_IS_OK(wbc_status)) {
+ *pdomain = domain;
+ *pfullname = name;
+ *pname_type = name_type;
+ } else {
+ wbcFreeMemory(domain);
+ wbcFreeMemory(name);
+ }
+
+ return wbc_status;
+}
+
+_PUBLIC_
+wbcErr wbcGetDisplayName(const struct wbcDomainSid *sid,
+ char **pdomain,
+ char **pfullname,
+ enum wbcSidType *pname_type)
+{
+ return wbcCtxGetDisplayName(NULL, sid, pdomain, pfullname, pname_type);
+}
+
+_PUBLIC_
+const char* wbcSidTypeString(enum wbcSidType type)
+{
+ switch (type) {
+ case WBC_SID_NAME_USE_NONE: return "SID_NONE";
+ case WBC_SID_NAME_USER: return "SID_USER";
+ case WBC_SID_NAME_DOM_GRP: return "SID_DOM_GROUP";
+ case WBC_SID_NAME_DOMAIN: return "SID_DOMAIN";
+ case WBC_SID_NAME_ALIAS: return "SID_ALIAS";
+ case WBC_SID_NAME_WKN_GRP: return "SID_WKN_GROUP";
+ case WBC_SID_NAME_DELETED: return "SID_DELETED";
+ case WBC_SID_NAME_INVALID: return "SID_INVALID";
+ case WBC_SID_NAME_UNKNOWN: return "SID_UNKNOWN";
+ case WBC_SID_NAME_COMPUTER: return "SID_COMPUTER";
+ case WBC_SID_NAME_LABEL: return "SID_LABEL";
+ default: return "Unknown type";
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-18 22:28:51 +0000