#include "includes.h"
#include "ldb/include/ldb.h"
+#include "ldb/include/ldb_errors.h"
#include "ldb/include/ldb_private.h"
+#include <time.h>
/*
create a new ldb_message in a given memory context (NULL for top level)
/*
duplicate a ldb_val structure
*/
-struct ldb_val ldb_val_dup(TALLOC_CTX *mem_ctx,
- const struct ldb_val *v)
+struct ldb_val ldb_val_dup(void *mem_ctx, const struct ldb_val *v)
{
struct ldb_val v2;
v2.length = v->length;
- if (v->length == 0) {
+ if (v->data == NULL) {
v2.data = NULL;
return v2;
}
/* the +1 is to cope with buggy C library routines like strndup
that look one byte beyond */
- v2.data = talloc_array(mem_ctx, char, v->length+1);
+ v2.data = talloc_array(mem_ctx, uint8_t, v->length+1);
if (!v2.data) {
v2.length = 0;
return v2;
/*
add an empty element to a message
*/
-int ldb_msg_add_empty(struct ldb_context *ldb,
- struct ldb_message *msg, const char *attr_name, int flags)
+int ldb_msg_add_empty(struct ldb_message *msg, const char *attr_name, int flags)
{
struct ldb_message_element *els;
els = talloc_realloc(msg, msg->elements,
- struct ldb_message_element, msg->num_elements+1);
+ struct ldb_message_element, msg->num_elements+1);
if (!els) {
errno = ENOMEM;
return -1;
/*
add an empty element to a message
*/
-int ldb_msg_add(struct ldb_context *ldb,
- struct ldb_message *msg,
+int ldb_msg_add(struct ldb_message *msg,
const struct ldb_message_element *el,
int flags)
{
- if (ldb_msg_add_empty(ldb, msg, el->name, flags) != 0) {
+ if (ldb_msg_add_empty(msg, el->name, flags) != 0) {
return -1;
}
/*
add a value to a message
*/
-int ldb_msg_add_value(struct ldb_context *ldb,
- struct ldb_message *msg,
+int ldb_msg_add_value(struct ldb_message *msg,
const char *attr_name,
const struct ldb_val *val)
{
el = ldb_msg_find_element(msg, attr_name);
if (!el) {
- ldb_msg_add_empty(ldb, msg, attr_name, 0);
+ ldb_msg_add_empty(msg, attr_name, 0);
el = ldb_msg_find_element(msg, attr_name);
}
if (!el) {
/*
add a string element to a message
*/
-int ldb_msg_add_string(struct ldb_context *ldb, struct ldb_message *msg,
+int ldb_msg_add_string(struct ldb_message *msg,
const char *attr_name, const char *str)
{
struct ldb_val val;
- val.data = discard_const_p(char, str);
+ val.data = discard_const_p(uint8_t, str);
val.length = strlen(str);
- return ldb_msg_add_value(ldb, msg, attr_name, &val);
+ return ldb_msg_add_value(msg, attr_name, &val);
}
/*
add a printf formatted element to a message
*/
-int ldb_msg_add_fmt(struct ldb_context *ldb, struct ldb_message *msg,
+int ldb_msg_add_fmt(struct ldb_message *msg,
const char *attr_name, const char *fmt, ...)
{
struct ldb_val val;
if (str == NULL) return -1;
- val.data = str;
+ val.data = (uint8_t *)str;
val.length = strlen(str);
- return ldb_msg_add_value(ldb, msg, attr_name, &val);
+ return ldb_msg_add_value(msg, attr_name, &val);
}
/*
if (!v || !v->data) {
return default_value;
}
- return strtol(v->data, NULL, 0);
+ return strtol((const char *)v->data, NULL, 0);
}
unsigned int ldb_msg_find_uint(const struct ldb_message *msg,
if (!v || !v->data) {
return default_value;
}
- return strtoul(v->data, NULL, 0);
+ return strtoul((const char *)v->data, NULL, 0);
}
int64_t ldb_msg_find_int64(const struct ldb_message *msg,
if (!v || !v->data) {
return default_value;
}
- return strtoll(v->data, NULL, 0);
+ return strtoll((const char *)v->data, NULL, 0);
}
uint64_t ldb_msg_find_uint64(const struct ldb_message *msg,
if (!v || !v->data) {
return default_value;
}
- return strtoull(v->data, NULL, 0);
+ return strtoull((const char *)v->data, NULL, 0);
}
double ldb_msg_find_double(const struct ldb_message *msg,
if (!v || !v->data) {
return default_value;
}
- return strtod(v->data, NULL);
+ return strtod((const char *)v->data, NULL);
}
const char *ldb_msg_find_string(const struct ldb_message *msg,
if (!v || !v->data) {
return default_value;
}
- return v->data;
+ return (const char *)v->data;
}
-
/*
sort the elements of a message by name
*/
(comparison_fn_t)ldb_msg_element_compare_name);
}
-
/*
- free a message created using ldb_msg_copy
+ shallow copy a message - copying only the elements array so that the caller
+ can safely add new elements without changing the message
*/
-void ldb_msg_free(struct ldb_context *ldb, struct ldb_message *msg)
+struct ldb_message *ldb_msg_copy_shallow(TALLOC_CTX *mem_ctx,
+ const struct ldb_message *msg)
{
- talloc_free(msg);
+ struct ldb_message *msg2;
+ 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);
+ if (msg2->elements == NULL) goto failed;
+
+ for (i=0;i<msg2->num_elements;i++) {
+ msg2->elements[i] = msg->elements[i];
+ }
+
+ return msg2;
+
+failed:
+ talloc_free(msg2);
+ return NULL;
}
+
/*
copy a message, allocating new memory for all parts
*/
-struct ldb_message *ldb_msg_copy(struct ldb_context *ldb,
+struct ldb_message *ldb_msg_copy(TALLOC_CTX *mem_ctx,
const struct ldb_message *msg)
{
struct ldb_message *msg2;
int i, j;
- msg2 = talloc(ldb, struct ldb_message);
+ msg2 = ldb_msg_copy_shallow(mem_ctx, msg);
if (msg2 == NULL) return NULL;
- msg2->elements = NULL;
- msg2->num_elements = 0;
- msg2->private_data = NULL;
-
- msg2->dn = talloc_strdup(msg2, msg->dn);
+ msg2->dn = ldb_dn_copy(msg2, msg2->dn);
if (msg2->dn == NULL) goto failed;
- msg2->elements = talloc_array(msg2, struct ldb_message_element, msg->num_elements);
- if (msg2->elements == NULL) goto failed;
-
- for (i=0;i<msg->num_elements;i++) {
- struct ldb_message_element *el1 = &msg->elements[i];
- struct ldb_message_element *el2 = &msg2->elements[i];
-
- el2->flags = el1->flags;
- el2->num_values = 0;
- el2->values = NULL;
- el2->name = talloc_strdup(msg2->elements, el1->name);
- if (el2->name == NULL) goto failed;
- el2->values = talloc_array(msg2->elements, struct ldb_val, el1->num_values);
- for (j=0;j<el1->num_values;j++) {
- el2->values[j] = ldb_val_dup(ldb, &el1->values[j]);
- if (el2->values[j].data == NULL &&
- el1->values[j].length != 0) {
+ for (i=0;i<msg2->num_elements;i++) {
+ struct ldb_message_element *el = &msg2->elements[i];
+ struct ldb_val *values = el->values;
+ el->name = talloc_strdup(msg2->elements, el->name);
+ if (el->name == NULL) goto failed;
+ el->values = talloc_array(msg2->elements, struct ldb_val, el->num_values);
+ for (j=0;j<el->num_values;j++) {
+ el->values[j] = ldb_val_dup(el->values, &values[j]);
+ if (el->values[j].data == NULL && values[j].length != 0) {
goto failed;
}
- el2->values[j].data = talloc_steal(el2->values, el2->values[j].data);
- el2->num_values++;
}
-
- msg2->num_elements++;
}
return msg2;
el2->values,
sizeof(struct ldb_val) * el2->num_values);
el1->num_values += el2->num_values;
- talloc_free(el2->name);
- talloc_free(el2->values);
+ talloc_free(discard_const_p(char, el2->name));
if (i+1<msg2->num_elements) {
memmove(el2, el2+1, sizeof(struct ldb_message_element) *
(msg2->num_elements - (i+1)));
return msg2;
}
+
+
+/*
+ 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
+*/
+struct ldb_message *ldb_msg_diff(struct ldb_context *ldb,
+ struct ldb_message *msg1,
+ struct ldb_message *msg2)
+{
+ struct ldb_message *mod;
+ struct ldb_message_element *el;
+ unsigned int i;
+
+ mod = ldb_msg_new(ldb);
+
+ mod->dn = msg1->dn;
+ mod->num_elements = 0;
+ mod->elements = NULL;
+
+ msg2 = ldb_msg_canonicalize(ldb, msg2);
+ if (msg2 == NULL) {
+ return NULL;
+ }
+
+ /* 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;
+ }
+
+ if (ldb_msg_add(mod,
+ &msg2->elements[i],
+ el?LDB_FLAG_MOD_REPLACE:LDB_FLAG_MOD_ADD) != 0) {
+ 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 (ldb_msg_add_empty(mod,
+ msg1->elements[i].name,
+ LDB_FLAG_MOD_DELETE) != 0) {
+ return NULL;
+ }
+ }
+ }
+
+ return mod;
+}
+
+int ldb_msg_sanity_check(const struct ldb_message *msg)
+{
+ int i, j;
+
+ /* basic check on DN */
+ if (msg->dn == NULL) {
+ /* TODO: return also an error string */
+ return LDB_ERR_INVALID_DN_SYNTAX;
+ }
+ if (msg->dn->comp_num == 0) {
+ /* root dse has empty dn */
+ /* TODO: return also an error string */
+ return LDB_ERR_ENTRY_ALREADY_EXISTS;
+ }
+
+ /* basic syntax checks */
+ for (i = 0; i < msg->num_elements; i++) {
+ for (j = 0; j < msg->elements[i].num_values; j++) {
+ if (msg->elements[i].values[j].length == 0) {
+ /* an attribute cannot be empty */
+ /* TODO: return also an error string */
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+ }
+ }
+
+ return LDB_SUCCESS;
+}
+
+
+
+
+/*
+ copy an attribute list. This only copies the array, not the elements
+ (ie. the elements are left as the same pointers)
+*/
+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 */ ;
+ ret = talloc_array(mem_ctx, const char *, i+1);
+ if (ret == NULL) {
+ return NULL;
+ }
+ for (i=0;attrs[i];i++) {
+ ret[i] = attrs[i];
+ }
+ ret[i] = attrs[i];
+ return ret;
+}
+
+
+/*
+ return 1 if an attribute is in a list of attributes, or 0 otherwise
+*/
+int ldb_attr_in_list(const char * const *attrs, const char *attr)
+{
+ int i;
+ for (i=0;attrs[i];i++) {
+ if (ldb_attr_cmp(attrs[i], attr) == 0) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+
+/*
+ rename the specified attribute in a search result
+*/
+int ldb_msg_rename_attr(struct ldb_message *msg, const char *attr, const char *replace)
+{
+ struct ldb_message_element *el = ldb_msg_find_element(msg, attr);
+ if (el == NULL) {
+ return 0;
+ }
+ el->name = talloc_strdup(msg->elements, replace);
+ if (el->name == NULL) {
+ return -1;
+ }
+ return 0;
+}
+
+
+/*
+ copy the specified attribute in a search result to a new attribute
+*/
+int ldb_msg_copy_attr(struct ldb_message *msg, const char *attr, const char *replace)
+{
+ struct ldb_message_element *el = ldb_msg_find_element(msg, attr);
+ if (el == NULL) {
+ return 0;
+ }
+ if (ldb_msg_add(msg, el, 0) != 0) {
+ return -1;
+ }
+ return ldb_msg_rename_attr(msg, attr, replace);
+}
+
+
+/*
+ remove the specified attribute in a search result
+*/
+void ldb_msg_remove_attr(struct ldb_message *msg, const char *attr)
+{
+ 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--;
+ }
+}
+
+/*
+ return a LDAP formatted time string
+*/
+char *ldb_timestring(TALLOC_CTX *mem_ctx, time_t t)
+{
+ struct tm *tm = gmtime(&t);
+
+ if (!tm) {
+ return NULL;
+ }
+
+ /* 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);
+}
+
+
+/*
+ convert a LDAP time string to a time_t. Return 0 if unable to convert
+*/
+time_t ldb_string_to_time(const char *s)
+{
+ struct tm tm;
+
+ if (s == NULL) return 0;
+
+ memset(&tm, 0, sizeof(tm));
+ if (sscanf(s, "%04u%02u%02u%02u%02u%02u",
+ &tm.tm_year, &tm.tm_mon, &tm.tm_mday,
+ &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) {
+ return 0;
+ }
+ tm.tm_year -= 1900;
+ 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;
+
+ for (i = 0; i < result->count; i++) {
+ struct ldb_ldif ldif;
+ fprintf(f, "# record %d\n", i+1);
+ ldif.changetype = LDB_CHANGETYPE_NONE;
+ ldif.msg = result->msgs[i];
+ ldb_ldif_write_file(ldb, f, &ldif);
+ }
+}
+
git.samba.org / kamenim / samba.git / blobdiff