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 2 of the License, or (at your option) any later version.
+ 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
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, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
/*
* Author: Andrew Tridgell
*/
-#include "includes.h"
-#include "ldb/include/includes.h"
+#include "ldb_private.h"
/*
create a new ldb_message in a given memory context (NULL for top level)
int ldb_val_equal_exact(const struct ldb_val *v1, const struct ldb_val *v2)
{
if (v1->length != v2->length) return 0;
-
+ if (v1->data == v2->data) return 1;
if (v1->length == 0) return 1;
if (memcmp(v1->data, v2->data, v1->length) == 0) {
{
struct ldb_message_element *els;
- if (! ldb_valid_attr_name(attr_name)) {
- return LDB_ERR_OPERATIONS_ERROR;
- }
-
els = talloc_realloc(msg, msg->elements,
struct ldb_message_element, msg->num_elements+1);
if (!els) {
const struct ldb_message_element *el,
int flags)
{
- if (ldb_msg_add_empty(msg, el->name, flags, NULL) != 0) {
+ /* We have to copy this, just in case *el is a pointer into
+ * what ldb_msg_add_empty() is about to realloc() */
+ struct ldb_message_element el_copy = *el;
+ if (ldb_msg_add_empty(msg, el->name, flags, NULL) != LDB_SUCCESS) {
return LDB_ERR_OPERATIONS_ERROR;
}
- msg->elements[msg->num_elements-1] = *el;
+ msg->elements[msg->num_elements-1] = el_copy;
msg->elements[msg->num_elements-1].flags = flags;
return LDB_SUCCESS;
val.length = strlen(str);
if (val.length == 0) {
- /* allow empty strings as non-existant attributes */
+ /* allow empty strings as non-existent attributes */
return LDB_SUCCESS;
}
val.data = (uint8_t *)str;
val.length = strlen(str);
+ if (val.length == 0) {
+ /* allow empty strings as non-existent attributes */
+ return LDB_SUCCESS;
+ }
+
return ldb_msg_add_steal_value(msg, attr_name, &val);
}
+/*
+ add a DN element to a message
+ WARNING: this uses the linearized string from the dn, and does not
+ copy the string.
+*/
+int ldb_msg_add_linearized_dn(struct ldb_message *msg, const char *attr_name,
+ struct ldb_dn *dn)
+{
+ return ldb_msg_add_steal_string(msg, attr_name,
+ ldb_dn_alloc_linearized(msg, dn));
+}
+
/*
add a printf formatted element to a message
*/
/*
compare two ldb_message_element structures
- assumes case senistive comparison
+ assumes case sensitive comparison
*/
int ldb_msg_element_compare(struct ldb_message_element *el1,
struct ldb_message_element *el2)
convenience functions to return common types from a message
these return the first value if the attribute is multi-valued
*/
-const struct ldb_val *ldb_msg_find_ldb_val(const struct ldb_message *msg, const char *attr_name)
+const struct ldb_val *ldb_msg_find_ldb_val(const struct ldb_message *msg,
+ const char *attr_name)
{
struct ldb_message_element *el = ldb_msg_find_element(msg, attr_name);
if (!el || el->num_values == 0) {
const char *attr_name,
unsigned int default_value)
{
+ unsigned int ret;
const struct ldb_val *v = ldb_msg_find_ldb_val(msg, attr_name);
if (!v || !v->data) {
return default_value;
}
+
+ /* in LDAP there're only int32_t values */
+ errno = 0;
+ ret = strtol((const char *)v->data, NULL, 0);
+ if (errno == 0) {
+ return ret;
+ }
+
return strtoul((const char *)v->data, NULL, 0);
}
const char *attr_name,
uint64_t default_value)
{
+ uint64_t ret;
const struct ldb_val *v = ldb_msg_find_ldb_val(msg, attr_name);
if (!v || !v->data) {
return default_value;
}
+
+ /* in LDAP there're only int64_t values */
+ errno = 0;
+ ret = strtoll((const char *)v->data, NULL, 0);
+ if (errno == 0) {
+ return ret;
+ }
+
return strtoull((const char *)v->data, NULL, 0);
}
if (!v || !v->data) {
return default_value;
}
- if (strcasecmp((const char *)v->data, "FALSE") == 0) {
+ if (v->length == 5 && strncasecmp((const char *)v->data, "FALSE", 5) == 0) {
return 0;
}
- if (strcasecmp((const char *)v->data, "TRUE") == 0) {
+ if (v->length == 4 && strncasecmp((const char *)v->data, "TRUE", 4) == 0) {
return 1;
}
return default_value;
return (const char *)v->data;
}
-struct ldb_dn *ldb_msg_find_attr_as_dn(void *mem_ctx,
+struct ldb_dn *ldb_msg_find_attr_as_dn(struct ldb_context *ldb,
+ void *mem_ctx,
const struct ldb_message *msg,
const char *attr_name)
{
+ struct ldb_dn *res_dn;
const struct ldb_val *v;
v = ldb_msg_find_ldb_val(msg, attr_name);
if (!v || !v->data) {
return NULL;
}
- return ldb_dn_explode(mem_ctx, (const char *)v->data);
+ res_dn = ldb_dn_from_ldb_val(mem_ctx, ldb, v);
+ if ( ! ldb_dn_validate(res_dn)) {
+ talloc_free(res_dn);
+ return NULL;
+ }
+ return res_dn;
}
/*
*/
void ldb_msg_sort_elements(struct ldb_message *msg)
{
- qsort(msg->elements, msg->num_elements, sizeof(struct ldb_message_element),
- (comparison_fn_t)ldb_msg_element_compare_name);
+ TYPESAFE_QSORT(msg->elements, msg->num_elements,
+ ldb_msg_element_compare_name);
}
/*
const struct ldb_message *msg)
{
struct ldb_message *msg2;
- int i;
+ unsigned int i;
msg2 = talloc(mem_ctx, struct ldb_message);
if (msg2 == NULL) return NULL;
*msg2 = *msg;
- msg2->private_data = NULL;
msg2->elements = talloc_array(msg2, struct ldb_message_element,
msg2->num_elements);
const struct ldb_message *msg)
{
struct ldb_message *msg2;
- int i, j;
+ unsigned int i, j;
msg2 = ldb_msg_copy_shallow(mem_ctx, msg);
if (msg2 == NULL) return NULL;
struct ldb_message *ldb_msg_canonicalize(struct ldb_context *ldb,
const struct ldb_message *msg)
{
- int i;
+ unsigned int i;
struct ldb_message *msg2;
msg2 = ldb_msg_copy(ldb, msg);
if (ldb_msg_element_compare_name(el1, el2) == 0) {
el1->values = talloc_realloc(msg2->elements, el1->values, struct ldb_val,
el1->num_values + el2->num_values);
- if (el1->values == NULL) {
+ if (el1->num_values + el2->num_values > 0 && el1->values == NULL) {
return NULL;
}
memcpy(el1->values + el1->num_values,
unsigned int i;
mod = ldb_msg_new(ldb);
+ if (mod == NULL) {
+ return NULL;
+ }
mod->dn = msg1->dn;
mod->num_elements = 0;
msg2 = ldb_msg_canonicalize(ldb, msg2);
if (msg2 == NULL) {
+ talloc_free(mod);
return NULL;
}
if (ldb_msg_add(mod,
&msg2->elements[i],
- el?LDB_FLAG_MOD_REPLACE:LDB_FLAG_MOD_ADD) != 0) {
+ el?LDB_FLAG_MOD_REPLACE:LDB_FLAG_MOD_ADD) != LDB_SUCCESS) {
+ talloc_free(mod);
return NULL;
}
}
/* look in msg1 to find elements that need to be deleted */
for (i=0;i<msg1->num_elements;i++) {
el = ldb_msg_find_element(msg2, msg1->elements[i].name);
- if (!el) {
+ if (el == NULL) {
if (ldb_msg_add_empty(mod,
msg1->elements[i].name,
- LDB_FLAG_MOD_DELETE, NULL) != 0) {
+ LDB_FLAG_MOD_DELETE, NULL) != LDB_SUCCESS) {
+ talloc_free(mod);
return NULL;
}
}
return mod;
}
+/**
+ * return a ldb_message representing the differences between msg1 and msg2.
+ * If you then use this in a ldb_modify() call it can be used to save edits to a message
+ *
+ * Result message is constructed as follows:
+ * - LDB_FLAG_MOD_ADD - elements found only in msg2
+ * - LDB_FLAG_MOD_REPLACE - elements in msg2 that have different value in msg1
+ * Value for msg2 element is used
+ * - LDB_FLAG_MOD_DELETE - elements found only in msg2
+ *
+ * @return LDB_SUCCESS or LDB_ERR_OPERATIONS_ERROR
+ */
+int ldb_msg_diff_ex(struct ldb_context *ldb,
+ struct ldb_message *msg1,
+ struct ldb_message *msg2,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_message **_msg_out)
+{
+ int ldb_res;
+ unsigned int i;
+ struct ldb_message *mod;
+ struct ldb_message_element *el;
+ TALLOC_CTX *temp_ctx;
+
+ temp_ctx = talloc_new(mem_ctx);
+ if (!temp_ctx) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ mod = ldb_msg_new(temp_ctx);
+ if (mod == NULL) {
+ goto failed;
+ }
+
+ mod->dn = msg1->dn;
+ mod->num_elements = 0;
+ mod->elements = NULL;
+
+ /* canonicalize msg2 so we have no
+ * repeated elements */
+ msg2 = ldb_msg_canonicalize(ldb, msg2);
+ if (msg2 == NULL) {
+ goto failed;
+ }
+
+ /* steal msg2 into mod context as it is
+ * allocated in ldb's context */
+ talloc_steal(mod, msg2);
+
+ /* look in msg2 to find elements that need to be added
+ or modified */
+ for (i=0;i<msg2->num_elements;i++) {
+ el = ldb_msg_find_element(msg1, msg2->elements[i].name);
+
+ if (el && ldb_msg_element_compare(el, &msg2->elements[i]) == 0) {
+ continue;
+ }
+
+ ldb_res = ldb_msg_add(mod,
+ &msg2->elements[i],
+ el ? LDB_FLAG_MOD_REPLACE : LDB_FLAG_MOD_ADD);
+ if (ldb_res != LDB_SUCCESS) {
+ goto failed;
+ }
+ }
+
+ /* look in msg1 to find elements that need to be deleted */
+ for (i=0;i<msg1->num_elements;i++) {
+ el = ldb_msg_find_element(msg2, msg1->elements[i].name);
+ if (el == NULL) {
+ ldb_res = ldb_msg_add_empty(mod,
+ msg1->elements[i].name,
+ LDB_FLAG_MOD_DELETE, NULL);
+ if (ldb_res != LDB_SUCCESS) {
+ goto failed;
+ }
+ }
+ }
+
+ /* steal resulting message into supplied context */
+ talloc_steal(mem_ctx, mod);
+ *_msg_out = mod;
+
+ talloc_free(temp_ctx);
+ return LDB_SUCCESS;
+
+failed:
+ talloc_free(temp_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+}
+
+
int ldb_msg_sanity_check(struct ldb_context *ldb,
const struct ldb_message *msg)
{
- int i, j;
+ unsigned int i, j;
/* basic check on DN */
if (msg->dn == NULL) {
/* TODO: return also an error string */
ldb_asprintf_errstring(ldb, "Element %s has empty attribute in ldb message (%s)!",
msg->elements[i].name,
- ldb_dn_linearize(mem_ctx, msg->dn));
+ ldb_dn_get_linearized(msg->dn));
talloc_free(mem_ctx);
return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
}
const char **ldb_attr_list_copy(TALLOC_CTX *mem_ctx, const char * const *attrs)
{
const char **ret;
- int i;
- for (i=0;attrs[i];i++) /* noop */ ;
+ unsigned int i;
+
+ for (i=0;attrs && attrs[i];i++) /* noop */ ;
ret = talloc_array(mem_ctx, const char *, i+1);
if (ret == NULL) {
return NULL;
}
- for (i=0;attrs[i];i++) {
+ for (i=0;attrs && attrs[i];i++) {
ret[i] = attrs[i];
}
ret[i] = attrs[i];
const char **ldb_attr_list_copy_add(TALLOC_CTX *mem_ctx, const char * const *attrs, const char *new_attr)
{
const char **ret;
- int i;
- for (i=0;attrs[i];i++) /* noop */ ;
+ unsigned int i;
+ bool found = false;
+
+ for (i=0;attrs && attrs[i];i++) {
+ if (ldb_attr_cmp(attrs[i], new_attr) == 0) {
+ found = true;
+ }
+ }
+ if (found) {
+ return ldb_attr_list_copy(mem_ctx, attrs);
+ }
ret = talloc_array(mem_ctx, const char *, i+2);
if (ret == NULL) {
return NULL;
}
- for (i=0;attrs[i];i++) {
+ for (i=0;attrs && attrs[i];i++) {
ret[i] = attrs[i];
}
ret[i] = new_attr;
*/
int ldb_attr_in_list(const char * const *attrs, const char *attr)
{
- int i;
- for (i=0;attrs[i];i++) {
+ unsigned int i;
+ for (i=0;attrs && attrs[i];i++) {
if (ldb_attr_cmp(attrs[i], attr) == 0) {
return 1;
}
return ldb_msg_rename_attr(msg, attr, replace);
}
-
/*
- remove the specified attribute in a search result
+ remove the specified element in a search result
*/
-void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr)
+void ldb_msg_remove_element(struct ldb_message *msg, struct ldb_message_element *el)
{
- struct ldb_message_element *el = ldb_msg_find_element(msg, attr);
- if (el) {
- int n = (el - msg->elements);
- if (n != msg->num_elements-1) {
- memmove(el, el+1, ((msg->num_elements-1) - n)*sizeof(*el));
- }
- msg->num_elements--;
+ ptrdiff_t n = (el - msg->elements);
+ if (n >= msg->num_elements) {
+ /* should we abort() here? */
+ return;
}
+ if (n != msg->num_elements-1) {
+ memmove(el, el+1, ((msg->num_elements-1) - n)*sizeof(*el));
+ }
+ msg->num_elements--;
}
+
/*
- remove the specified element in a search result
+ remove the specified attribute in a search result
*/
-void ldb_msg_remove_element(struct ldb_message *msg, struct ldb_message_element *el)
+void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr)
{
- int n = (el - msg->elements);
- if (n != msg->num_elements-1) {
- memmove(el, el+1, ((msg->num_elements-1) - n)*sizeof(*el));
+ struct ldb_message_element *el;
+
+ while ((el = ldb_msg_find_element(msg, attr)) != NULL) {
+ ldb_msg_remove_element(msg, el);
}
- msg->num_elements--;
}
/*
- return a LDAP formatted time string
+ return a LDAP formatted GeneralizedTime string
*/
char *ldb_timestring(TALLOC_CTX *mem_ctx, time_t t)
{
struct tm *tm = gmtime(&t);
+ char *ts;
+ int r;
if (!tm) {
return NULL;
}
+ /* we now excatly how long this string will be */
+ ts = talloc_array(mem_ctx, char, 18);
+
/* formatted like: 20040408072012.0Z */
- return talloc_asprintf(mem_ctx,
- "%04u%02u%02u%02u%02u%02u.0Z",
- tm->tm_year+1900, tm->tm_mon+1,
- tm->tm_mday, tm->tm_hour, tm->tm_min,
- tm->tm_sec);
-}
+ r = snprintf(ts, 18,
+ "%04u%02u%02u%02u%02u%02u.0Z",
+ tm->tm_year+1900, tm->tm_mon+1,
+ tm->tm_mday, tm->tm_hour, tm->tm_min,
+ tm->tm_sec);
+
+ if (r != 17) {
+ talloc_free(ts);
+ return NULL;
+ }
+ return ts;
+}
/*
- convert a LDAP time string to a time_t. Return 0 if unable to convert
+ convert a LDAP GeneralizedTime string to a time_t. Return 0 if unable to convert
*/
time_t ldb_string_to_time(const char *s)
{
if (s == NULL) return 0;
memset(&tm, 0, sizeof(tm));
- if (sscanf(s, "%04u%02u%02u%02u%02u%02u",
+ if (sscanf(s, "%04u%02u%02u%02u%02u%02u.0Z",
&tm.tm_year, &tm.tm_mon, &tm.tm_mday,
&tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
return 0;
return timegm(&tm);
}
+/*
+ convert a LDAP GeneralizedTime string in ldb_val format to a
+ time_t.
+*/
+int ldb_val_to_time(const struct ldb_val *v, time_t *t)
+{
+ struct tm tm;
+
+ if (v == NULL || !v->data || v->length < 17) {
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+
+ memset(&tm, 0, sizeof(tm));
+
+ if (sscanf((char *)v->data, "%04u%02u%02u%02u%02u%02u.0Z",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+ &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+ tm.tm_year -= 1900;
+ tm.tm_mon -= 1;
+
+ *t = timegm(&tm);
+
+ return LDB_SUCCESS;
+}
+
+/*
+ return a LDAP formatted UTCTime string
+*/
+char *ldb_timestring_utc(TALLOC_CTX *mem_ctx, time_t t)
+{
+ struct tm *tm = gmtime(&t);
+ char *ts;
+ int r;
+
+ if (!tm) {
+ return NULL;
+ }
+
+ /* we now excatly how long this string will be */
+ ts = talloc_array(mem_ctx, char, 14);
+
+ /* formatted like: 20040408072012.0Z => 040408072012Z */
+ r = snprintf(ts, 14,
+ "%02u%02u%02u%02u%02u%02uZ",
+ (tm->tm_year+1900)%100, tm->tm_mon+1,
+ tm->tm_mday, tm->tm_hour, tm->tm_min,
+ tm->tm_sec);
+
+ if (r != 13) {
+ talloc_free(ts);
+ return NULL;
+ }
+
+ return ts;
+}
+
+/*
+ convert a LDAP UTCTime string to a time_t. Return 0 if unable to convert
+*/
+time_t ldb_string_utc_to_time(const char *s)
+{
+ struct tm tm;
+
+ if (s == NULL) return 0;
+
+ memset(&tm, 0, sizeof(tm));
+ if (sscanf(s, "%02u%02u%02u%02u%02u%02uZ",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+ &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+ return 0;
+ }
+ if (tm.tm_year < 50) {
+ tm.tm_year += 100;
+ }
+ tm.tm_mon -= 1;
+
+ return timegm(&tm);
+}
+
/*
dump a set of results to a file. Useful from within gdb
*/
void ldb_dump_results(struct ldb_context *ldb, struct ldb_result *result, FILE *f)
{
- int i;
+ unsigned int i;
for (i = 0; i < result->count; i++) {
struct ldb_ldif ldif;
}
}
-int ldb_msg_check_string_attribute(const struct ldb_message *msg, const char *name, const char *value)
+/*
+ checks for a string attribute. Returns "1" on match and otherwise "0".
+*/
+int ldb_msg_check_string_attribute(const struct ldb_message *msg,
+ const char *name, const char *value)
{
struct ldb_message_element *el;
struct ldb_val val;
el = ldb_msg_find_element(msg, name);
- if (el == NULL)
+ if (el == NULL) {
return 0;
+ }
val.data = discard_const_p(uint8_t, value);
val.length = strlen(value);
- if (ldb_msg_find_val(el, &val))
+ if (ldb_msg_find_val(el, &val)) {
return 1;
+ }
return 0;
}
+
git.samba.org / kamenim / samba.git / blobdiff