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-rw-r--r--lib/ldb/common/ldb_controls.c1342
1 files changed, 1342 insertions, 0 deletions
diff --git a/lib/ldb/common/ldb_controls.c b/lib/ldb/common/ldb_controls.c
new file mode 100644
index 0000000..47e113a
--- /dev/null
+++ b/lib/ldb/common/ldb_controls.c
@@ -0,0 +1,1342 @@
+/*
+ ldb database library
+
+ Copyright (C) Simo Sorce 2005
+
+ ** NOTE! The following LGPL license applies to the ldb
+ ** library. This does NOT imply that all of Samba is released
+ ** under the LGPL
+
+ 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+ * Name: ldb_controls.c
+ *
+ * Component: ldb controls utility functions
+ *
+ * Description: helper functions for control modules
+ *
+ * Author: Simo Sorce
+ */
+
+#include "ldb_private.h"
+
+/* check if a control with the specified "oid" exist and return it */
+/* returns NULL if not found */
+struct ldb_control *ldb_request_get_control(struct ldb_request *req, const char *oid)
+{
+ unsigned int i;
+
+ if (req->controls != NULL) {
+ for (i = 0; req->controls[i]; i++) {
+ if (req->controls[i]->oid && strcmp(oid, req->controls[i]->oid) == 0) {
+ break;
+ }
+ }
+
+ return req->controls[i];
+ }
+
+ return NULL;
+}
+
+/* check if a control with the specified "oid" exist and return it */
+/* returns NULL if not found */
+struct ldb_control *ldb_reply_get_control(struct ldb_reply *rep, const char *oid)
+{
+ unsigned int i;
+
+ if (rep->controls != NULL) {
+ for (i = 0; rep->controls[i]; i++) {
+ if (rep->controls[i]->oid && strcmp(oid, rep->controls[i]->oid) == 0) {
+ break;
+ }
+ }
+
+ return rep->controls[i];
+ }
+
+ return NULL;
+}
+
+/*
+ * Saves the current controls list into the "saver" (can also be NULL) and
+ * replace the one in "req" with a new one excluding the "exclude" control
+ * (if it is NULL then the list remains the same)
+ *
+ * Returns 0 on error.
+ */
+int ldb_save_controls(struct ldb_control *exclude, struct ldb_request *req, struct ldb_control ***saver)
+{
+ struct ldb_control **lcs, **lcs_old;
+ unsigned int i, j;
+
+ lcs_old = req->controls;
+ if (saver != NULL) {
+ *saver = lcs_old;
+ }
+
+ for (i = 0; req->controls && req->controls[i]; i++);
+ if (i == 0) {
+ req->controls = NULL;
+ return 1;
+ }
+
+ lcs = talloc_array(req, struct ldb_control *, i + 1);
+ if (!lcs) {
+ return 0;
+ }
+
+ for (i = 0, j = 0; lcs_old[i]; i++) {
+ if (exclude == lcs_old[i]) continue;
+ lcs[j] = lcs_old[i];
+ j++;
+ }
+ lcs[j] = NULL;
+
+ req->controls = talloc_realloc(req, lcs, struct ldb_control *, j + 1);
+ if (req->controls == NULL) {
+ return 0;
+ }
+ return 1;
+}
+
+/*
+ * Returns a list of controls, except the one specified with "exclude" (can
+ * also be NULL). Included controls become a child of returned list if they
+ * were children of "controls_in".
+ *
+ * Returns NULL on error (OOM) or an empty control list.
+ */
+struct ldb_control **ldb_controls_except_specified(struct ldb_control **controls_in,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_control *exclude)
+{
+ struct ldb_control **lcs = NULL;
+ unsigned int i, j, n;
+
+ for (i = 0; controls_in && controls_in[i]; i++);
+ if (i == 0) {
+ return NULL;
+ }
+ n = i;
+
+ for (i = 0, j = 0; controls_in && controls_in[i]; i++) {
+ if (exclude == controls_in[i]) continue;
+
+ if (!lcs) {
+ /* Allocate here so if we remove the only
+ * control, or there were no controls, we
+ * don't allocate at all, and just return
+ * NULL */
+ lcs = talloc_array(mem_ctx, struct ldb_control *,
+ n + 1);
+ if (!lcs) {
+ return NULL;
+ }
+ }
+
+ lcs[j] = controls_in[i];
+ talloc_reparent(controls_in, lcs, lcs[j]);
+ j++;
+ }
+ if (lcs) {
+ lcs[j] = NULL;
+
+ lcs = talloc_realloc(mem_ctx, lcs, struct ldb_control *, j + 1);
+ }
+
+ return lcs;
+}
+
+/* check if there's any control marked as critical in the list */
+/* return True if any, False if none */
+int ldb_check_critical_controls(struct ldb_control **controls)
+{
+ unsigned int i;
+
+ if (controls == NULL) {
+ return 0;
+ }
+
+ for (i = 0; controls[i]; i++) {
+ if (controls[i]->critical) {
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+int ldb_request_add_control(struct ldb_request *req, const char *oid, bool critical, void *data)
+{
+ unsigned int i, n;
+ struct ldb_control **ctrls;
+ struct ldb_control *ctrl;
+
+ for (n=0; req->controls && req->controls[n];n++) {
+ /* having two controls of the same OID makes no sense */
+ if (req->controls[n]->oid && strcmp(oid, req->controls[n]->oid) == 0) {
+ return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
+ }
+ }
+
+ ctrls = talloc_array(req,
+ struct ldb_control *,
+ n + 2);
+ if (!ctrls) return LDB_ERR_OPERATIONS_ERROR;
+
+ for (i=0; i<n; i++) {
+ ctrls[i] = req->controls[i];
+ }
+
+ req->controls = ctrls;
+ ctrls[n] = NULL;
+ ctrls[n+1] = NULL;
+
+ ctrl = talloc(ctrls, struct ldb_control);
+ if (!ctrl) return LDB_ERR_OPERATIONS_ERROR;
+
+ ctrl->oid = talloc_strdup(ctrl, oid);
+ if (!ctrl->oid) return LDB_ERR_OPERATIONS_ERROR;
+ ctrl->critical = critical;
+ ctrl->data = data;
+
+ ctrls[n] = ctrl;
+ return LDB_SUCCESS;
+}
+
+int ldb_reply_add_control(struct ldb_reply *ares, const char *oid, bool critical, void *data)
+{
+ unsigned n;
+ struct ldb_control **ctrls;
+ struct ldb_control *ctrl;
+
+ for (n=0; ares->controls && ares->controls[n];) {
+ /* having two controls of the same OID makes no sense */
+ if (ares->controls[n]->oid && strcmp(oid, ares->controls[n]->oid) == 0) {
+ return LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS;
+ }
+ n++;
+ }
+
+ ctrls = talloc_realloc(ares, ares->controls,
+ struct ldb_control *,
+ n + 2);
+ if (!ctrls) return LDB_ERR_OPERATIONS_ERROR;
+ ares->controls = ctrls;
+ ctrls[n] = NULL;
+ ctrls[n+1] = NULL;
+
+ ctrl = talloc(ctrls, struct ldb_control);
+ if (!ctrl) return LDB_ERR_OPERATIONS_ERROR;
+
+ ctrl->oid = talloc_strdup(ctrl, oid);
+ if (!ctrl->oid) return LDB_ERR_OPERATIONS_ERROR;
+ ctrl->critical = critical;
+ ctrl->data = data;
+
+ ctrls[n] = ctrl;
+ return LDB_SUCCESS;
+}
+
+/* Add a control to the request, replacing the old one if it is already in the request */
+int ldb_request_replace_control(struct ldb_request *req, const char *oid, bool critical, void *data)
+{
+ unsigned int n;
+ int ret;
+
+ ret = ldb_request_add_control(req, oid, critical, data);
+ if (ret != LDB_ERR_ATTRIBUTE_OR_VALUE_EXISTS) {
+ return ret;
+ }
+
+ for (n=0; req->controls[n];n++) {
+ if (req->controls[n]->oid && strcmp(oid, req->controls[n]->oid) == 0) {
+ req->controls[n]->critical = critical;
+ req->controls[n]->data = data;
+ return LDB_SUCCESS;
+ }
+ }
+
+ return LDB_ERR_OPERATIONS_ERROR;
+}
+
+/*
+ * Return a control as string
+ * the project (ie. name:value1:value2:...:valuen
+ * The string didn't include the criticity of the critical flag
+ */
+char *ldb_control_to_string(TALLOC_CTX *mem_ctx, const struct ldb_control *control)
+{
+ char *res = NULL;
+
+ if (strcmp(control->oid, LDB_CONTROL_PAGED_RESULTS_OID) == 0) {
+ struct ldb_paged_control *rep_control = talloc_get_type(control->data, struct ldb_paged_control);
+ char *cookie;
+ if (rep_control == NULL) {
+ return NULL;
+ }
+
+ cookie = ldb_base64_encode(mem_ctx, rep_control->cookie, rep_control->cookie_len);
+ if (cookie == NULL) {
+ return NULL;
+ }
+ if (cookie[0] != '\0') {
+ res = talloc_asprintf(mem_ctx, "%s:%d:%s",
+ LDB_CONTROL_PAGED_RESULTS_NAME,
+ control->critical,
+ cookie);
+
+ talloc_free(cookie);
+ } else {
+ res = talloc_asprintf(mem_ctx, "%s:%d",
+ LDB_CONTROL_PAGED_RESULTS_NAME,
+ control->critical);
+ }
+ return res;
+ }
+
+ if (strcmp(control->oid, LDB_CONTROL_VLV_RESP_OID) == 0) {
+ struct ldb_vlv_resp_control *rep_control = talloc_get_type(control->data,
+ struct ldb_vlv_resp_control);
+
+ char *cookie;
+
+ if (rep_control == NULL) {
+ return NULL;
+ }
+
+ cookie = ldb_base64_encode(mem_ctx,
+ (char *)rep_control->contextId,
+ rep_control->ctxid_len);
+ if (cookie == NULL) {
+ return NULL;
+ }
+
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d:%d:%d:%s",
+ LDB_CONTROL_VLV_RESP_NAME,
+ control->critical,
+ rep_control->targetPosition,
+ rep_control->contentCount,
+ rep_control->vlv_result,
+ cookie);
+
+ return res;
+ }
+
+ if (strcmp(control->oid, LDB_CONTROL_SORT_RESP_OID) == 0) {
+ struct ldb_sort_resp_control *rep_control = talloc_get_type(control->data,
+ struct ldb_sort_resp_control);
+
+ if (rep_control == NULL) {
+ return NULL;
+ }
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d:%s",
+ LDB_CONTROL_SORT_RESP_NAME,
+ control->critical,
+ rep_control->result,
+ rep_control->attr_desc);
+
+ return res;
+ }
+
+ if (strcmp(control->oid, LDB_CONTROL_ASQ_OID) == 0) {
+ struct ldb_asq_control *rep_control = talloc_get_type(control->data,
+ struct ldb_asq_control);
+
+ if (rep_control == NULL) {
+ return NULL;
+ }
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d",
+ LDB_CONTROL_ASQ_NAME,
+ control->critical,
+ rep_control->result);
+
+ return res;
+ }
+
+ if (strcmp(control->oid, LDB_CONTROL_DIRSYNC_OID) == 0) {
+ char *cookie;
+ struct ldb_dirsync_control *rep_control = talloc_get_type(control->data,
+ struct ldb_dirsync_control);
+
+ if (rep_control == NULL) {
+ return NULL;
+ }
+ cookie = ldb_base64_encode(mem_ctx, rep_control->cookie,
+ rep_control->cookie_len);
+ if (cookie == NULL) {
+ return NULL;
+ }
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d:%d:%s",
+ LDB_CONTROL_DIRSYNC_NAME,
+ control->critical,
+ rep_control->flags,
+ rep_control->max_attributes,
+ cookie);
+
+ talloc_free(cookie);
+ return res;
+ }
+ if (strcmp(control->oid, LDB_CONTROL_DIRSYNC_EX_OID) == 0) {
+ char *cookie;
+ struct ldb_dirsync_control *rep_control = talloc_get_type(control->data,
+ struct ldb_dirsync_control);
+
+ if (rep_control == NULL) {
+ return NULL;
+ }
+ cookie = ldb_base64_encode(mem_ctx, rep_control->cookie,
+ rep_control->cookie_len);
+ if (cookie == NULL) {
+ return NULL;
+ }
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d:%d:%s",
+ LDB_CONTROL_DIRSYNC_EX_NAME,
+ control->critical,
+ rep_control->flags,
+ rep_control->max_attributes,
+ cookie);
+
+ talloc_free(cookie);
+ return res;
+ }
+
+ if (strcmp(control->oid, LDB_CONTROL_VERIFY_NAME_OID) == 0) {
+ struct ldb_verify_name_control *rep_control = talloc_get_type(control->data, struct ldb_verify_name_control);
+
+ if (rep_control == NULL) {
+ return NULL;
+ }
+ if (rep_control->gc != NULL) {
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d:%s",
+ LDB_CONTROL_VERIFY_NAME_NAME,
+ control->critical,
+ rep_control->flags,
+ rep_control->gc);
+
+ } else {
+ res = talloc_asprintf(mem_ctx, "%s:%d:%d",
+ LDB_CONTROL_VERIFY_NAME_NAME,
+ control->critical,
+ rep_control->flags);
+ }
+ return res;
+ }
+
+ /*
+ * From here we don't know the control
+ */
+ if (control->data == NULL) {
+ /*
+ * We don't know the control but there is no real data attached
+ * to it so we can represent it with local_oid:oid:criticity.
+ */
+ res = talloc_asprintf(mem_ctx, "local_oid:%s:%d",
+ control->oid,
+ control->critical);
+ } else {
+ res = talloc_asprintf(mem_ctx, "unknown oid:%s",
+ control->oid);
+ }
+ return res;
+}
+
+
+/*
+ * A little trick to allow one to use constants defined in headers rather than
+ * hardwritten in the file.
+ * "sizeof" will return the \0 char as well so it will take the place of ":"
+ * in the length of the string.
+ */
+#define LDB_CONTROL_CMP(control, NAME) strncmp(control, NAME ":", sizeof(NAME))
+
+/* Parse one string and return associated control if parsing is successful*/
+struct ldb_control *ldb_parse_control_from_string(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char *control_strings)
+{
+ struct ldb_control *ctrl;
+
+ if (!(ctrl = talloc(mem_ctx, struct ldb_control))) {
+ ldb_oom(ldb);
+ return NULL;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings,
+ LDB_CONTROL_VLV_REQ_NAME) == 0) {
+ struct ldb_vlv_req_control *control;
+ const char *p;
+ char attr[1024];
+ char ctxid[1024];
+ int crit, bc, ac, os, cc, ret;
+
+ attr[0] = '\0';
+ ctxid[0] = '\0';
+ p = &(control_strings[sizeof(LDB_CONTROL_VLV_REQ_NAME)]);
+ ret = sscanf(p, "%d:%d:%d:%d:%d:%1023[^$]", &crit, &bc, &ac, &os, &cc, ctxid);
+ /* We allow 2 ways to encode the GT_EQ case, because the
+ comparison string might contain null bytes or colons, which
+ would break sscanf (or indeed any parsing mechanism). */
+ if (ret == 3) {
+ ret = sscanf(p, "%d:%d:%d:>=%1023[^:]:%1023[^$]", &crit, &bc, &ac, attr, ctxid);
+ }
+ if (ret == 3) {
+ int len;
+ ret = sscanf(p, "%d:%d:%d:base64>=%1023[^:]:%1023[^$]", &crit, &bc, &ac, attr, ctxid);
+ len = ldb_base64_decode(attr);
+ if (len < 0) {
+ ret = -1;
+ }
+ }
+
+ if ((ret < 4) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid VLV control syntax\n"
+ " syntax: crit(b):bc(n):ac(n):"
+ "{os(n):cc(n)|>=val(s)|base64>=val(o)}[:ctxid(o)]\n"
+ " note: b = boolean, n = number, s = string, o = b64 binary blob");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ ctrl->oid = LDB_CONTROL_VLV_REQ_OID;
+ ctrl->critical = crit;
+ if (!(control = talloc(ctrl,
+ struct ldb_vlv_req_control))) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->beforeCount = bc;
+ control->afterCount = ac;
+ if (attr[0]) {
+ control->type = 1;
+ control->match.gtOrEq.value = talloc_strdup(control, attr);
+ control->match.gtOrEq.value_len = strlen(attr);
+ } else {
+ control->type = 0;
+ control->match.byOffset.offset = os;
+ control->match.byOffset.contentCount = cc;
+ }
+ if (ctxid[0]) {
+ int len = ldb_base64_decode(ctxid);
+ if (len < 0) {
+ ldb_set_errstring(ldb,
+ "invalid VLV context_id\n");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->ctxid_len = len;
+ control->contextId = talloc_memdup(control, ctxid,
+ control->ctxid_len);
+ if (control->contextId == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ } else {
+ control->ctxid_len = 0;
+ control->contextId = NULL;
+ }
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_DIRSYNC_NAME) == 0) {
+ struct ldb_dirsync_control *control;
+ const char *p;
+ char *cookie = NULL;
+ int crit, max_attrs, ret;
+ uint32_t flags;
+
+ cookie = talloc_zero_array(ctrl, char,
+ strlen(control_strings) + 1);
+ if (cookie == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ p = &(control_strings[sizeof(LDB_CONTROL_DIRSYNC_NAME)]);
+ ret = sscanf(p, "%d:%u:%d:%[^$]", &crit, &flags, &max_attrs, cookie);
+
+ if ((ret < 3) || (crit < 0) || (crit > 1) || (max_attrs < 0)) {
+ ldb_set_errstring(ldb,
+ "invalid dirsync control syntax\n"
+ " syntax: crit(b):flags(n):max_attrs(n)[:cookie(o)]\n"
+ " note: b = boolean, n = number, o = b64 binary blob");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ /* w2k3 seems to ignore the parameter,
+ * but w2k sends a wrong cookie when this value is to small
+ * this would cause looping forever, while getting
+ * the same data and same cookie forever
+ */
+ if (max_attrs == 0) max_attrs = 0x0FFFFFFF;
+
+ ctrl->oid = LDB_CONTROL_DIRSYNC_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_dirsync_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->flags = flags;
+ control->max_attributes = max_attrs;
+ if (*cookie) {
+ int len = ldb_base64_decode(cookie);
+ if (len < 0) {
+ ldb_set_errstring(ldb,
+ "invalid dirsync cookie\n");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->cookie_len = len;
+ control->cookie = (char *)talloc_memdup(control, cookie, control->cookie_len);
+ if (control->cookie == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ } else {
+ control->cookie = NULL;
+ control->cookie_len = 0;
+ }
+ ctrl->data = control;
+ TALLOC_FREE(cookie);
+
+ return ctrl;
+ }
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_DIRSYNC_EX_NAME) == 0) {
+ struct ldb_dirsync_control *control;
+ const char *p;
+ char *cookie = NULL;
+ int crit, max_attrs, ret;
+ uint32_t flags;
+
+ cookie = talloc_zero_array(ctrl, char,
+ strlen(control_strings) + 1);
+ if (cookie == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ p = &(control_strings[sizeof(LDB_CONTROL_DIRSYNC_EX_NAME)]);
+ ret = sscanf(p, "%d:%u:%d:%1023[^$]", &crit, &flags, &max_attrs, cookie);
+
+ if ((ret < 3) || (crit < 0) || (crit > 1) || (max_attrs < 0)) {
+ ldb_set_errstring(ldb,
+ "invalid dirsync_ex control syntax\n"
+ " syntax: crit(b):flags(n):max_attrs(n)[:cookie(o)]\n"
+ " note: b = boolean, n = number, o = b64 binary blob");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ /* w2k3 seems to ignore the parameter,
+ * but w2k sends a wrong cookie when this value is to small
+ * this would cause looping forever, while getting
+ * the same data and same cookie forever
+ */
+ if (max_attrs == 0) max_attrs = 0x0FFFFFFF;
+
+ ctrl->oid = LDB_CONTROL_DIRSYNC_EX_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_dirsync_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->flags = flags;
+ control->max_attributes = max_attrs;
+ if (*cookie) {
+ int len = ldb_base64_decode(cookie);
+ if (len < 0) {
+ ldb_set_errstring(ldb,
+ "invalid dirsync_ex cookie"
+ " (probably too long)\n");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->cookie_len = len;
+ control->cookie = (char *)talloc_memdup(control, cookie, control->cookie_len);
+ if (control->cookie == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ } else {
+ control->cookie = NULL;
+ control->cookie_len = 0;
+ }
+ ctrl->data = control;
+ TALLOC_FREE(cookie);
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_ASQ_NAME) == 0) {
+ struct ldb_asq_control *control;
+ const char *p;
+ char attr[256];
+ int crit, ret;
+
+ attr[0] = '\0';
+ p = &(control_strings[sizeof(LDB_CONTROL_ASQ_NAME)]);
+ ret = sscanf(p, "%d:%255[^$]", &crit, attr);
+ if ((ret != 2) || (crit < 0) || (crit > 1) || (attr[0] == '\0')) {
+ ldb_set_errstring(ldb,
+ "invalid asq control syntax\n"
+ " syntax: crit(b):attr(s)\n"
+ " note: b = boolean, s = string");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_ASQ_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_asq_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->request = 1;
+ control->source_attribute = talloc_strdup(control, attr);
+ control->src_attr_len = strlen(attr);
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_EXTENDED_DN_NAME) == 0) {
+ struct ldb_extended_dn_control *control;
+ const char *p;
+ int crit, type, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_EXTENDED_DN_NAME)]);
+ ret = sscanf(p, "%d:%d", &crit, &type);
+ if ((ret != 2) || (crit < 0) || (crit > 1) || (type < 0) || (type > 1)) {
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid extended_dn control syntax\n"
+ " syntax: crit(b)[:type(i)]\n"
+ " note: b = boolean\n"
+ " i = integer\n"
+ " valid values are: 0 - hexadecimal representation\n"
+ " 1 - normal string representation");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control = NULL;
+ } else {
+ control = talloc(ctrl, struct ldb_extended_dn_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->type = type;
+ }
+
+ ctrl->oid = LDB_CONTROL_EXTENDED_DN_OID;
+ ctrl->critical = crit;
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_SD_FLAGS_NAME) == 0) {
+ struct ldb_sd_flags_control *control;
+ const char *p;
+ int crit, ret;
+ unsigned secinfo_flags;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_SD_FLAGS_NAME)]);
+ ret = sscanf(p, "%d:%u", &crit, &secinfo_flags);
+ if ((ret != 2) || (crit < 0) || (crit > 1) || (secinfo_flags > 0xF)) {
+ ldb_set_errstring(ldb,
+ "invalid sd_flags control syntax\n"
+ " syntax: crit(b):secinfo_flags(n)\n"
+ " note: b = boolean, n = number");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_SD_FLAGS_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_sd_flags_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control->secinfo_flags = secinfo_flags;
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_SEARCH_OPTIONS_NAME) == 0) {
+ struct ldb_search_options_control *control;
+ const char *p;
+ int crit, ret;
+ unsigned search_options;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_SEARCH_OPTIONS_NAME)]);
+ ret = sscanf(p, "%d:%u", &crit, &search_options);
+ if ((ret != 2) || (crit < 0) || (crit > 1) || (search_options > 0xF)) {
+ ldb_set_errstring(ldb,
+ "invalid search_options control syntax\n"
+ " syntax: crit(b):search_options(n)\n"
+ " note: b = boolean, n = number");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_SEARCH_OPTIONS_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_search_options_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control->search_options = search_options;
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_BYPASS_OPERATIONAL_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_BYPASS_OPERATIONAL_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid bypassoperational control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_BYPASS_OPERATIONAL_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_RELAX_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_RELAX_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid relax control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_RELAX_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_RECALCULATE_SD_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_RECALCULATE_SD_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid recalculate_sd control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_RECALCULATE_SD_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_DOMAIN_SCOPE_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_DOMAIN_SCOPE_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid domain_scope control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_DOMAIN_SCOPE_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_PAGED_RESULTS_NAME) == 0) {
+ struct ldb_paged_control *control;
+ const char *p;
+ char cookie[1024];
+ int crit, size, ret;
+
+ cookie[0] = '\0';
+ p = &(control_strings[sizeof(LDB_CONTROL_PAGED_RESULTS_NAME)]);
+ ret = sscanf(p, "%d:%d:%1023[^$]", &crit, &size, cookie);
+ if ((ret < 2) || (ret > 3) || (crit < 0) || (crit > 1) ||
+ (size < 0)) {
+ ldb_set_errstring(ldb,
+ "invalid paged_results control syntax\n"
+ " syntax: crit(b):size(n)[:cookie(base64)]\n"
+ " note: b = boolean, n = number");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_PAGED_RESULTS_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_paged_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control->size = size;
+ if (cookie[0] != '\0') {
+ int len = ldb_base64_decode(cookie);
+ if (len < 0) {
+ ldb_set_errstring(ldb,
+ "invalid paged_results cookie"
+ " (probably too long)\n");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ control->cookie_len = len;
+ control->cookie = talloc_memdup(control, cookie, control->cookie_len);
+ if (control->cookie == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ } else {
+ control->cookie = NULL;
+ control->cookie_len = 0;
+ }
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_SERVER_SORT_NAME) == 0) {
+ struct ldb_server_sort_control **control;
+ const char *p;
+ char attr[256];
+ char rule[128];
+ int crit, rev, ret;
+
+ attr[0] = '\0';
+ rule[0] = '\0';
+ p = &(control_strings[sizeof(LDB_CONTROL_SERVER_SORT_NAME)]);
+ ret = sscanf(p, "%d:%d:%255[^:]:%127[^:]", &crit, &rev, attr, rule);
+ if ((ret < 3) || (crit < 0) || (crit > 1) || (rev < 0 ) || (rev > 1) ||attr[0] == '\0') {
+ ldb_set_errstring(ldb,
+ "invalid server_sort control syntax\n"
+ " syntax: crit(b):rev(b):attr(s)[:rule(s)]\n"
+ " note: b = boolean, s = string");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ ctrl->oid = LDB_CONTROL_SERVER_SORT_OID;
+ ctrl->critical = crit;
+ control = talloc_array(ctrl, struct ldb_server_sort_control *, 2);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control[0] = talloc(control, struct ldb_server_sort_control);
+ if (control[0] == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control[0]->attributeName = talloc_strdup(control, attr);
+ if (control[0]->attributeName == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ if (rule[0]) {
+ control[0]->orderingRule = talloc_strdup(control, rule);
+ if (control[0]->orderingRule == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ } else {
+ control[0]->orderingRule = NULL;
+ }
+ control[0]->reverse = rev;
+ control[1] = NULL;
+ ctrl->data = control;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_NOTIFICATION_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_NOTIFICATION_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid notification control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_NOTIFICATION_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_TREE_DELETE_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_TREE_DELETE_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid tree_delete control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_TREE_DELETE_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_SHOW_DELETED_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_SHOW_DELETED_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid show_deleted control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_SHOW_DELETED_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_SHOW_DEACTIVATED_LINK_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_SHOW_DEACTIVATED_LINK_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid show_deactivated_link control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_SHOW_DEACTIVATED_LINK_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_SHOW_RECYCLED_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_SHOW_RECYCLED_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid show_recycled control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_SHOW_RECYCLED_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_PERMISSIVE_MODIFY_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_PERMISSIVE_MODIFY_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid permissive_modify control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_PERMISSIVE_MODIFY_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_REVEAL_INTERNALS_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_REVEAL_INTERNALS_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid reveal_internals control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_REVEAL_INTERNALS;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (strncmp(control_strings, "local_oid:", 10) == 0) {
+ const char *p;
+ int crit = 0, ret = 0;
+ char oid[256];
+
+ oid[0] = '\0';
+ p = &(control_strings[10]);
+ ret = sscanf(p, "%255[^:]:%d", oid, &crit);
+
+ if ((ret != 2) || strlen(oid) == 0 || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid local_oid control syntax\n"
+ " syntax: oid(s):crit(b)\n"
+ " note: b = boolean, s = string");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = talloc_strdup(ctrl, oid);
+ if (!ctrl->oid) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_RODC_DCPROMO_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_RODC_DCPROMO_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid rodc_join control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_RODC_DCPROMO_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_PROVISION_NAME) == 0) {
+ const char *p;
+ int crit, ret;
+
+ p = &(control_strings[sizeof(LDB_CONTROL_PROVISION_NAME)]);
+ ret = sscanf(p, "%d", &crit);
+ if ((ret != 1) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid provision control syntax\n"
+ " syntax: crit(b)\n"
+ " note: b = boolean");
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ ctrl->oid = LDB_CONTROL_PROVISION_OID;
+ ctrl->critical = crit;
+ ctrl->data = NULL;
+
+ return ctrl;
+ }
+ if (LDB_CONTROL_CMP(control_strings, LDB_CONTROL_VERIFY_NAME_NAME) == 0) {
+ const char *p;
+ char gc[1024];
+ int crit, flags, ret;
+ struct ldb_verify_name_control *control;
+
+ gc[0] = '\0';
+
+ p = &(control_strings[sizeof(LDB_CONTROL_VERIFY_NAME_NAME)]);
+ ret = sscanf(p, "%d:%d:%1023[^$]", &crit, &flags, gc);
+ if ((ret != 3) || (crit < 0) || (crit > 1)) {
+ ret = sscanf(p, "%d:%d", &crit, &flags);
+ if ((ret != 2) || (crit < 0) || (crit > 1)) {
+ ldb_set_errstring(ldb,
+ "invalid verify_name control syntax\n"
+ " syntax: crit(b):flags(i)[:gc(s)]\n"
+ " note: b = boolean"
+ " note: i = integer"
+ " note: s = string");
+ talloc_free(ctrl);
+ return NULL;
+ }
+ }
+
+ ctrl->oid = LDB_CONTROL_VERIFY_NAME_OID;
+ ctrl->critical = crit;
+ control = talloc(ctrl, struct ldb_verify_name_control);
+ if (control == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control->gc = talloc_strdup(control, gc);
+ if (control->gc == NULL) {
+ ldb_oom(ldb);
+ talloc_free(ctrl);
+ return NULL;
+ }
+
+ control->gc_len = strlen(gc);
+ control->flags = flags;
+ ctrl->data = control;
+ return ctrl;
+ }
+ /*
+ * When no matching control has been found.
+ */
+ TALLOC_FREE(ctrl);
+ return NULL;
+}
+
+/* Parse controls from the format used on the command line and in ejs */
+struct ldb_control **ldb_parse_control_strings(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, const char **control_strings)
+{
+ unsigned int i;
+ struct ldb_control **ctrl;
+
+ if (control_strings == NULL || control_strings[0] == NULL)
+ return NULL;
+
+ for (i = 0; control_strings[i]; i++);
+
+ ctrl = talloc_array(mem_ctx, struct ldb_control *, i + 1);
+
+ ldb_reset_err_string(ldb);
+ for (i = 0; control_strings[i]; i++) {
+ ctrl[i] = ldb_parse_control_from_string(ldb, ctrl, control_strings[i]);
+ if (ctrl[i] == NULL) {
+ if (ldb_errstring(ldb) == NULL) {
+ /* no controls matched, throw an error */
+ ldb_asprintf_errstring(ldb, "Invalid control name: '%s'", control_strings[i]);
+ }
+ talloc_free(ctrl);
+ return NULL;
+ }
+ }
+
+ ctrl[i] = NULL;
+
+ return ctrl;
+}
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-24 02:56:49 +0000