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/>.
*/
/*
see RFC2849 for the LDIF format definition
*/
-#include "includes.h"
+#include "ldb_includes.h"
+#include "system/locale.h"
+/*
+
+*/
+static int ldb_read_data_file(void *mem_ctx, struct ldb_val *value)
+{
+ struct stat statbuf;
+ char *buf;
+ int count, size, bytes;
+ int ret;
+ int f;
+ const char *fname = (const char *)value->data;
+
+ if (strncmp(fname, "file://", 7) != 0) {
+ return LDB_ERR_INVALID_ATTRIBUTE_SYNTAX;
+ }
+ fname += 7;
+
+ f = open(fname, O_RDONLY);
+ if (f == -1) {
+ return -1;
+ }
+
+ if (fstat(f, &statbuf) != 0) {
+ ret = -1;
+ goto done;
+ }
+
+ if (statbuf.st_size == 0) {
+ ret = -1;
+ goto done;
+ }
+
+ value->data = (uint8_t *)talloc_size(mem_ctx, statbuf.st_size + 1);
+ if (value->data == NULL) {
+ ret = -1;
+ goto done;
+ }
+ value->data[statbuf.st_size] = 0;
+
+ count = 0;
+ size = statbuf.st_size;
+ buf = (char *)value->data;
+ while (count < statbuf.st_size) {
+ bytes = read(f, buf, size);
+ if (bytes == -1) {
+ talloc_free(value->data);
+ ret = -1;
+ goto done;
+ }
+ count += bytes;
+ buf += bytes;
+ size -= bytes;
+ }
+
+ value->length = statbuf.st_size;
+ ret = statbuf.st_size;
+
+done:
+ close(f);
+ return ret;
+}
/*
this base64 decoder was taken from jitterbug (written by tridge).
we might need to replace it with a new version
*/
-static int base64_decode(char *s)
+int ldb_base64_decode(char *s)
{
const char *b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
- int bit_offset, byte_offset, idx, i, n;
- unsigned char *d = (unsigned char *)s;
- char *p;
+ int bit_offset=0, byte_offset, idx, i, n;
+ uint8_t *d = (uint8_t *)s;
+ char *p=NULL;
n=i=0;
}
s++; i++;
}
+ if (bit_offset >= 3) {
+ n--;
+ }
if (*s && !p) {
/* the only termination allowed */
encode as base64
caller frees
*/
-char *ldb_base64_encode(const char *buf, int len)
+char *ldb_base64_encode(void *mem_ctx, const char *buf, int len)
{
const char *b64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
int bit_offset, byte_offset, idx, i;
- const unsigned char *d = (const unsigned char *)buf;
- int bytes = (len*8 + 5)/6;
+ const uint8_t *d = (const uint8_t *)buf;
+ int bytes = (len*8 + 5)/6, pad_bytes = (bytes % 4) ? 4 - (bytes % 4) : 0;
char *out;
- out = malloc(bytes+2);
+ out = talloc_array(mem_ctx, char, bytes+pad_bytes+1);
if (!out) return NULL;
for (i=0;i<bytes;i++) {
out[i] = b64[idx];
}
- out[i++] = '=';
+ for (;i<bytes+pad_bytes;i++)
+ out[i] = '=';
out[i] = 0;
return out;
*/
int ldb_should_b64_encode(const struct ldb_val *val)
{
- int i;
- unsigned char *p = val->data;
+ unsigned int i;
+ uint8_t *p = val->data;
+
+ if (val->length == 0) {
+ return 0;
+ }
- if (val->length == 0 || p[0] == ' ' || p[0] == ':') {
+ if (p[0] == ' ' || p[0] == ':') {
return 1;
}
static int fold_string(int (*fprintf_fn)(void *, const char *, ...), void *private_data,
const char *buf, size_t length, int start_pos)
{
- int i;
+ unsigned int i;
int total=0, ret;
for (i=0;i<length;i++) {
return total;
}
+#undef CHECK_RET
+
/*
encode as base64 to a file
*/
-static int base64_encode_f(int (*fprintf_fn)(void *, const char *, ...), void *private_data,
+static int base64_encode_f(struct ldb_context *ldb,
+ int (*fprintf_fn)(void *, const char *, ...),
+ void *private_data,
const char *buf, int len, int start_pos)
{
- char *b = ldb_base64_encode(buf, len);
+ char *b = ldb_base64_encode(ldb, buf, len);
int ret;
if (!b) {
ret = fold_string(fprintf_fn, private_data, b, strlen(b), start_pos);
- free(b);
+ talloc_free(b);
return ret;
}
{NULL, 0}
};
+/* this macro is used to handle the return checking on fprintf_fn() */
+#define CHECK_RET do { if (ret < 0) { talloc_free(mem_ctx); return ret; } total += ret; } while (0)
+
/*
write to ldif, using a caller supplied write method
*/
-int ldif_write(int (*fprintf_fn)(void *, const char *, ...),
- void *private_data,
- const struct ldb_ldif *ldif)
+int ldb_ldif_write(struct ldb_context *ldb,
+ int (*fprintf_fn)(void *, const char *, ...),
+ void *private_data,
+ const struct ldb_ldif *ldif)
{
- int i, j;
+ TALLOC_CTX *mem_ctx;
+ unsigned int i, j;
int total=0, ret;
+ char *p;
const struct ldb_message *msg;
- msg = &ldif->msg;
+ mem_ctx = talloc_named_const(NULL, 0, "ldb_ldif_write");
- ret = fprintf_fn(private_data, "dn: %s\n", msg->dn);
+ msg = ldif->msg;
+ p = ldb_dn_get_extended_linearized(mem_ctx, msg->dn, 1);
+ ret = fprintf_fn(private_data, "dn: %s\n", p);
+ talloc_free(p);
CHECK_RET;
if (ldif->changetype != LDB_CHANGETYPE_NONE) {
}
}
if (!ldb_changetypes[i].name) {
- fprintf(stderr,"Invalid changetype\n");
+ ldb_debug(ldb, LDB_DEBUG_ERROR, "Error: Invalid ldif changetype %d\n",
+ ldif->changetype);
+ talloc_free(mem_ctx);
return -1;
}
ret = fprintf_fn(private_data, "changetype: %s\n", ldb_changetypes[i].name);
}
for (i=0;i<msg->num_elements;i++) {
+ const struct ldb_schema_attribute *a;
+
+ a = ldb_schema_attribute_by_name(ldb, msg->elements[i].name);
+
if (ldif->changetype == LDB_CHANGETYPE_MODIFY) {
switch (msg->elements[i].flags & LDB_FLAG_MOD_MASK) {
case LDB_FLAG_MOD_ADD:
}
for (j=0;j<msg->elements[i].num_values;j++) {
- if (ldb_should_b64_encode(&msg->elements[i].values[j])) {
+ struct ldb_val v;
+ ret = a->syntax->ldif_write_fn(ldb, mem_ctx, &msg->elements[i].values[j], &v);
+ if (ret != LDB_SUCCESS) {
+ v = msg->elements[i].values[j];
+ }
+ if (ret != LDB_SUCCESS || ldb_should_b64_encode(&v)) {
ret = fprintf_fn(private_data, "%s:: ",
msg->elements[i].name);
CHECK_RET;
- ret = base64_encode_f(fprintf_fn, private_data,
- msg->elements[i].values[j].data,
- msg->elements[i].values[j].length,
+ ret = base64_encode_f(ldb, fprintf_fn, private_data,
+ (char *)v.data, v.length,
strlen(msg->elements[i].name)+3);
CHECK_RET;
ret = fprintf_fn(private_data, "\n");
ret = fprintf_fn(private_data, "%s: ", msg->elements[i].name);
CHECK_RET;
ret = fold_string(fprintf_fn, private_data,
- msg->elements[i].values[j].data,
- msg->elements[i].values[j].length,
+ (char *)v.data, v.length,
strlen(msg->elements[i].name)+2);
CHECK_RET;
ret = fprintf_fn(private_data, "\n");
CHECK_RET;
}
+ if (v.data != msg->elements[i].values[j].data) {
+ talloc_free(v.data);
+ }
}
if (ldif->changetype == LDB_CHANGETYPE_MODIFY) {
fprintf_fn(private_data, "-\n");
caller frees
*/
-static char *next_chunk(int (*fgetc_fn)(void *), void *private_data)
+static char *next_chunk(struct ldb_context *ldb,
+ int (*fgetc_fn)(void *), void *private_data)
{
size_t alloc_size=0, chunk_size = 0;
char *chunk = NULL;
if (chunk_size+1 >= alloc_size) {
char *c2;
alloc_size += 1024;
- c2 = realloc_p(chunk, char, alloc_size);
+ c2 = talloc_realloc(ldb, chunk, char, alloc_size);
if (!c2) {
- free(chunk);
+ talloc_free(chunk);
errno = ENOMEM;
return NULL;
}
/* simple ldif attribute parser */
-static int next_attr(char **s, const char **attr, struct ldb_val *value)
+static int next_attr(void *mem_ctx, char **s, const char **attr, struct ldb_val *value)
{
char *p;
int base64_encoded = 0;
+ int binary_file = 0;
if (strncmp(*s, "-\n", 2) == 0) {
value->length = 0;
p++;
}
+ if (*p == '<') {
+ binary_file = 1;
+ p++;
+ }
+
*attr = *s;
- while (isspace(*p)) {
+ while (*p == ' ' || *p == '\t') {
p++;
}
- value->data = p;
+ value->data = (uint8_t *)p;
p = strchr(p, '\n');
}
if (base64_encoded) {
- int len = base64_decode(value->data);
+ int len = ldb_base64_decode((char *)value->data);
if (len == -1) {
/* it wasn't valid base64 data */
return -1;
value->length = len;
}
+ if (binary_file) {
+ int len = ldb_read_data_file(mem_ctx, value);
+ if (len == -1) {
+ /* an error occured hile trying to retrieve the file */
+ return -1;
+ }
+ }
+
return 0;
}
/*
free a message from a ldif_read
*/
-void ldif_read_free(struct ldb_ldif *ldif)
+void ldb_ldif_read_free(struct ldb_context *ldb, struct ldb_ldif *ldif)
{
- struct ldb_message *msg = &ldif->msg;
- int i;
- for (i=0;i<msg->num_elements;i++) {
- if (msg->elements[i].name) free(msg->elements[i].name);
- if (msg->elements[i].values) free(msg->elements[i].values);
- }
- if (msg->elements) free(msg->elements);
- if (msg->private_data) free(msg->private_data);
- free(ldif);
-}
-
-/*
- add an empty element
-*/
-static int msg_add_empty(struct ldb_message *msg, const char *name, unsigned flags)
-{
- struct ldb_message_element *el2, *el;
-
- el2 = realloc_p(msg->elements, struct ldb_message_element, msg->num_elements+1);
- if (!el2) {
- errno = ENOMEM;
- return -1;
- }
-
- msg->elements = el2;
-
- el = &msg->elements[msg->num_elements];
-
- el->name = strdup(name);
- el->num_values = 0;
- el->values = NULL;
- el->flags = flags;
-
- if (!el->name) {
- errno = ENOMEM;
- return -1;
- }
-
- msg->num_elements++;
-
- return 0;
+ talloc_free(ldif);
}
/*
read from a LDIF source, creating a ldb_message
*/
-struct ldb_ldif *ldif_read(int (*fgetc_fn)(void *), void *private_data)
+struct ldb_ldif *ldb_ldif_read(struct ldb_context *ldb,
+ int (*fgetc_fn)(void *), void *private_data)
{
struct ldb_ldif *ldif;
struct ldb_message *msg;
value.data = NULL;
- ldif = malloc_p(struct ldb_ldif);
+ ldif = talloc(ldb, struct ldb_ldif);
if (!ldif) return NULL;
+ ldif->msg = talloc(ldif, struct ldb_message);
+ if (ldif->msg == NULL) {
+ talloc_free(ldif);
+ return NULL;
+ }
+
ldif->changetype = LDB_CHANGETYPE_NONE;
- msg = &ldif->msg;
+ msg = ldif->msg;
msg->dn = NULL;
msg->elements = NULL;
msg->num_elements = 0;
- msg->private_data = NULL;
- chunk = next_chunk(fgetc_fn, private_data);
+ chunk = next_chunk(ldb, fgetc_fn, private_data);
if (!chunk) {
goto failed;
}
+ talloc_steal(ldif, chunk);
- msg->private_data = chunk;
s = chunk;
- if (next_attr(&s, &attr, &value) != 0) {
+ if (next_attr(ldif, &s, &attr, &value) != 0) {
goto failed;
}
/* first line must be a dn */
if (ldb_attr_cmp(attr, "dn") != 0) {
- fprintf(stderr, "First line must be a dn not '%s'\n", attr);
+ ldb_debug(ldb, LDB_DEBUG_ERROR, "Error: First line of ldif must be a dn not '%s'\n",
+ attr);
goto failed;
}
- msg->dn = value.data;
+ msg->dn = ldb_dn_from_ldb_val(msg, ldb, &value);
+
+ if ( ! ldb_dn_validate(msg->dn)) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR, "Error: Unable to parse dn '%s'\n",
+ (char *)value.data);
+ goto failed;
+ }
- while (next_attr(&s, &attr, &value) == 0) {
+ while (next_attr(ldif, &s, &attr, &value) == 0) {
+ const struct ldb_schema_attribute *a;
struct ldb_message_element *el;
- int empty = 0;
+ int ret, empty = 0;
if (ldb_attr_cmp(attr, "changetype") == 0) {
int i;
}
}
if (!ldb_changetypes[i].name) {
- fprintf(stderr,"Bad changetype '%s'\n",
- (char *)value.data);
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: Bad ldif changetype '%s'\n",(char *)value.data);
}
flags = 0;
continue;
}
if (empty) {
- if (msg_add_empty(msg, (char *)value.data, flags) != 0) {
+ if (ldb_msg_add_empty(msg, (char *)value.data, flags, NULL) != 0) {
goto failed;
}
continue;
el = &msg->elements[msg->num_elements-1];
+ a = ldb_schema_attribute_by_name(ldb, attr);
+
if (msg->num_elements > 0 && ldb_attr_cmp(attr, el->name) == 0 &&
flags == el->flags) {
/* its a continuation */
el->values =
- realloc_p(el->values, struct ldb_val, el->num_values+1);
+ talloc_realloc(msg->elements, el->values,
+ struct ldb_val, el->num_values+1);
if (!el->values) {
goto failed;
}
- el->values[el->num_values] = value;
+ ret = a->syntax->ldif_read_fn(ldb, ldif, &value, &el->values[el->num_values]);
+ if (ret != 0) {
+ goto failed;
+ }
+ if (value.length == 0) {
+ ldb_debug(ldb, LDB_DEBUG_ERROR,
+ "Error: Attribute value cannot be empty for attribute '%s'\n", el->name);
+ goto failed;
+ }
+ if (value.data != el->values[el->num_values].data) {
+ talloc_steal(el->values, el->values[el->num_values].data);
+ }
el->num_values++;
} else {
/* its a new attribute */
- msg->elements = realloc_p(msg->elements,
- struct ldb_message_element,
- msg->num_elements+1);
+ msg->elements = talloc_realloc(ldif, msg->elements,
+ struct ldb_message_element,
+ msg->num_elements+1);
if (!msg->elements) {
goto failed;
}
el = &msg->elements[msg->num_elements];
el->flags = flags;
- el->name = strdup(attr);
- el->values = malloc_p(struct ldb_val);
+ el->name = talloc_strdup(msg->elements, attr);
+ el->values = talloc(msg->elements, struct ldb_val);
if (!el->values || !el->name) {
goto failed;
}
el->num_values = 1;
- el->values[0] = value;
+ ret = a->syntax->ldif_read_fn(ldb, ldif, &value, &el->values[0]);
+ if (ret != 0) {
+ goto failed;
+ }
+ if (value.data != el->values[0].data) {
+ talloc_steal(el->values, el->values[0].data);
+ }
msg->num_elements++;
}
}
return ldif;
failed:
- if (ldif) ldif_read_free(ldif);
+ talloc_free(ldif);
return NULL;
}
static int fgetc_file(void *private_data)
{
- struct ldif_read_file_state *state = private_data;
+ struct ldif_read_file_state *state =
+ (struct ldif_read_file_state *)private_data;
return fgetc(state->f);
}
-struct ldb_ldif *ldif_read_file(FILE *f)
+struct ldb_ldif *ldb_ldif_read_file(struct ldb_context *ldb, FILE *f)
{
struct ldif_read_file_state state;
state.f = f;
- return ldif_read(fgetc_file, &state);
+ return ldb_ldif_read(ldb, fgetc_file, &state);
}
static int fgetc_string(void *private_data)
{
- struct ldif_read_string_state *state = private_data;
+ struct ldif_read_string_state *state =
+ (struct ldif_read_string_state *)private_data;
if (state->s[0] != 0) {
return *state->s++;
}
return EOF;
}
-struct ldb_ldif *ldif_read_string(const char *s)
+struct ldb_ldif *ldb_ldif_read_string(struct ldb_context *ldb, const char **s)
{
struct ldif_read_string_state state;
- state.s = s;
- return ldif_read(fgetc_string, &state);
+ struct ldb_ldif *ldif;
+ state.s = *s;
+ ldif = ldb_ldif_read(ldb, fgetc_string, &state);
+ *s = state.s;
+ return ldif;
}
FILE *f;
};
+static int fprintf_file(void *private_data, const char *fmt, ...) PRINTF_ATTRIBUTE(2, 3);
+
static int fprintf_file(void *private_data, const char *fmt, ...)
{
- struct ldif_write_file_state *state = private_data;
+ struct ldif_write_file_state *state =
+ (struct ldif_write_file_state *)private_data;
int ret;
va_list ap;
return ret;
}
-int ldif_write_file(FILE *f, const struct ldb_ldif *ldif)
+int ldb_ldif_write_file(struct ldb_context *ldb, FILE *f, const struct ldb_ldif *ldif)
{
struct ldif_write_file_state state;
state.f = f;
- return ldif_write(fprintf_file, &state, ldif);
+ return ldb_ldif_write(ldb, fprintf_file, &state, ldif);
}
git.samba.org / kai / samba.git / blobdiff