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authorSimo Sorce <idra@samba.org>2006-01-10 00:52:05 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 13:49:58 -0500
commit6f18b19519efdd4d60146eaea4cfda849731efba (patch)
tree25e63ead5d3f4336bac9e3821fe1ef335ba4f8ac /source4/lib/ldb/tools
parent31753e2cfcba34ed06201dc9cf04ad96c7e441b2 (diff)
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r12810: handle control options gracefully and don't segfault
(This used to be commit 300d48bc9daa13e1475c10eaa1ec0717c822a7f7)
Diffstat (limited to 'source4/lib/ldb/tools')
-rw-r--r--source4/lib/ldb/tools/ldbsearch.c58
1 files changed, 49 insertions, 9 deletions
diff --git a/source4/lib/ldb/tools/ldbsearch.c b/source4/lib/ldb/tools/ldbsearch.c
index 406c81f765..b9ce1282a3 100644
--- a/source4/lib/ldb/tools/ldbsearch.c
+++ b/source4/lib/ldb/tools/ldbsearch.c
@@ -79,42 +79,81 @@ static struct ldb_control **parse_controls(void *mem_ctx, char **control_strings
for (i = 0; control_strings[i]; i++) {
if (strncmp(control_strings[i], "extended_dn:", 12) == 0) {
struct ldb_extended_dn_control *control;
+ const char *p;
+ int crit, type, ret;
+
+ p = &(control_strings[i][12]);
+ ret = sscanf(p, "%d:%d", &crit, &type);
+ if ((ret != 2) || (crit < 0) || (crit > 1) || (type < 0) || (type > 1)) {
+ fprintf(stderr, "invalid extended_dn control syntax\n");
+ return NULL;
+ }
ctrl[i] = talloc(ctrl, struct ldb_control);
ctrl[i]->oid = LDB_CONTROL_EXTENDED_DN_OID;
- ctrl[i]->critical = control_strings[i][12]=='1'?1:0;
+ ctrl[i]->critical = crit;
control = talloc(ctrl[i], struct ldb_extended_dn_control);
- control->type = atoi(&control_strings[i][14]);
+ control->type = type;
ctrl[i]->data = control;
+
+ continue;
}
if (strncmp(control_strings[i], "paged_results:", 14) == 0) {
struct ldb_paged_control *control;
+ const char *p;
+ int crit, size, ret;
+
+ p = &(control_strings[i][14]);
+ ret = sscanf(p, "%d:%d", &crit, &size);
+
+ if ((ret != 2) || (crit < 0) || (crit > 1) || (size < 0)) {
+ fprintf(stderr, "invalid paged_results control syntax\n");
+ return NULL;
+ }
ctrl[i] = talloc(ctrl, struct ldb_control);
ctrl[i]->oid = LDB_CONTROL_PAGED_RESULTS_OID;
- ctrl[i]->critical = control_strings[i][14]=='1'?1:0;
+ ctrl[i]->critical = crit;
control = talloc(ctrl[i], struct ldb_paged_control);
- control->size = atoi(&control_strings[i][16]);
+ control->size = size;
control->cookie = NULL;
control->cookie_len = 0;
ctrl[i]->data = control;
+
+ continue;
}
if (strncmp(control_strings[i], "server_sort:", 12) == 0) {
struct ldb_server_sort_control **control;
-
+ const char *p;
+ char attr[256];
+ char rule[128];
+ int crit, rev, ret;
+
+ p = &(control_strings[i][12]);
+ 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') {
+ fprintf(stderr, "invalid server_sort control syntax\n");
+ return NULL;
+ }
ctrl[i] = talloc(ctrl, struct ldb_control);
ctrl[i]->oid = LDB_CONTROL_SERVER_SORT_OID;
- ctrl[i]->critical = control_strings[i][12]=='1'?1:0;
+ ctrl[i]->critical = crit;
control = talloc_array(ctrl[i], struct ldb_server_sort_control *, 2);
control[0] = talloc(control, struct ldb_server_sort_control);
- control[0]->attributeName = talloc_strdup(control, &control_strings[i][16]);
- control[0]->orderingRule = NULL;
- control[0]->reverse = control_strings[i][14]=='1'?1:0;
+ control[0]->attributeName = talloc_strdup(control, attr);
+ control[0]->orderingRule = talloc_strdup(control, rule);
+ control[0]->reverse = rev;
control[1] = NULL;
ctrl[i]->data = control;
+
+ continue;
}
+
+ /* no controls matched, throw an error */
+ fprintf(stderr, "Invalid control name\n");
+ return NULL;
}
ctrl[i + 1] = NULL;
@@ -139,6 +178,7 @@ static int do_search(struct ldb_context *ldb,
req.op.search.attrs = attrs;
req.op.search.res = NULL;
req.controls = parse_controls(ldb, options->controls);
+ if (options->controls != NULL && req.controls == NULL) return -1;
req.creds = NULL;
ret = ldb_request(ldb, &req);