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-rw-r--r--source4/ldap_server/ldap_parse.c80
-rw-r--r--source4/ldap_server/ldap_simple_ldb.c222
2 files changed, 147 insertions, 155 deletions
diff --git a/source4/ldap_server/ldap_parse.c b/source4/ldap_server/ldap_parse.c
index 6653ecf598..b28242783e 100644
--- a/source4/ldap_server/ldap_parse.c
+++ b/source4/ldap_server/ldap_parse.c
@@ -21,6 +21,54 @@
#include "includes.h"
#include "ldap_parse.h"
+char char_from_hex(char a, char b) {
+ char m, l;
+
+ if ('0' <= a && a <= '9') {
+ m = a - '0';
+ } else if ('A' <= a && a <= 'F') {
+ m = 10 + (a - 'A');
+ } else if ('a' <= a && a <= 'f') {
+ m = 10 + (a - 'a');
+ } else {
+ return a;
+ }
+
+ if ('0' <= b && b <= '9') {
+ l = b - '0';
+ } else if ('A' <= b && b <= 'F') {
+ l = 10 + (b - 'A');
+ } else if ('a' <= b && b <= 'f') {
+ l = 10 + (b - 'a');
+ } else {
+ return a;
+ }
+
+ return ((m << 4) + l);
+}
+
+char *parse_slash(char *p, char *end) {
+ switch (*(p + 1)) {
+ case ',':
+ case '=':
+ case '\n':
+ case '+':
+ case '<':
+ case '>':
+ case '#':
+ case ';':
+ case '\\':
+ case '"':
+ memmove(p, p + 1, end - (p + 1));
+ return (end - 1);
+ default:
+ *p = char_from_hex(*(p + 1), *(p + 2));
+ memmove(p + 1, p + 3, end - (p + 3));
+ return (end - 2);
+ }
+}
+
+
struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
{
struct ldap_dn *dn;
@@ -29,17 +77,17 @@ struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
char *p, *start, *separator, *src, *dest, *dn_copy, *dn_end;
int i, size;
- dn = talloc(mem_ctx, sizeof(struct ldap_dn));
+ dn = talloc_p(mem_ctx, struct ldap_dn);
dn->comp_num = 0;
- dn->components = talloc(dn, sizeof(struct dn_component *));
- component = talloc(dn, sizeof(struct dn_component));
+ dn->components = talloc_array_p(dn, struct dn_component *, 1);
+ component = talloc_p(dn, struct dn_component);
component->attr_num = 0;
dn_copy = p = talloc_strdup(mem_ctx, orig_dn);
- dn_end = dn_copy + strlen(orig_dn);
+ dn_end = dn_copy + strlen(orig_dn) + 1;
do {
- component->attributes = talloc(component, sizeof(struct dn_attribute *));
- attribute = talloc(component, sizeof(struct dn_attribute));
+ component->attributes = talloc_array_p(component, struct dn_attribute *, 1);
+ attribute = talloc_p(component, struct dn_attribute);
/* skip "spaces" */
while (*p == ' ' || *p == '\n') {
@@ -53,9 +101,7 @@ struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
/* find out key separator '=' */
while (*p && *p != '=') {
if (*p == '\\') {
- /* TODO: handle \XX cases too */
- memmove(p, p + 1, dn_end - p);
- dn_end--;
+ dn_end = parse_slash(p, dn_end);
}
p++;
}
@@ -81,9 +127,7 @@ struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
start = p + 1;
while (*p && *p != '"') {
if (*p == '\\') {
- /* TODO: handle \XX cases too */
- memmove(p, p + 1, dn_end - p);
- dn_end--;
+ dn_end = parse_slash(p, dn_end);
}
p++;
}
@@ -99,9 +143,7 @@ struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
} else {
while (*p && !(*p == ',' || *p == ';' || *p == '+')) {
if (*p == '\\') {
- /* TODO: handle \XX cases too */
- memmove(p, p + 1, dn_end - p);
- dn_end--;
+ dn_end = parse_slash(p, dn_end);
}
p++;
} /* found separator */
@@ -126,10 +168,10 @@ struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
component->attr_num++;
if (*separator == '+') { /* expect other attributes in this component */
- component->attributes = talloc_realloc(component, component->attributes, sizeof(struct dn_attribute *) * (component->attr_num + 1));
+ component->attributes = talloc_realloc_p(component, component->attributes, struct dn_attribute *, component->attr_num + 1);
/* allocate new attribute structure */
- attribute = talloc(component, sizeof(struct dn_attribute));
+ attribute = talloc_p(component, struct dn_attribute);
/* skip spaces past the separator */
p = separator + strspn(p, " \n");
@@ -161,8 +203,8 @@ struct ldap_dn *ldap_parse_dn(TALLOC_CTX *mem_ctx, const char *orig_dn)
dn->comp_num++;
if (*separator == ',' || *separator == ';') {
- dn->components = talloc_realloc(dn, dn->components, sizeof(struct dn_component *) * (dn->comp_num + 1));
- component = talloc(dn, sizeof(struct dn_component));
+ dn->components = talloc_realloc_p(dn, dn->components, struct dn_component *, dn->comp_num + 1);
+ component = talloc_p(dn, struct dn_component);
component->attr_num = 0;
}
p = separator + 1;
diff --git a/source4/ldap_server/ldap_simple_ldb.c b/source4/ldap_server/ldap_simple_ldb.c
index d6cec80be4..9a05c9aba5 100644
--- a/source4/ldap_server/ldap_simple_ldb.c
+++ b/source4/ldap_server/ldap_simple_ldb.c
@@ -35,65 +35,12 @@ struct samdb_context {
} while(0)
-/*
- fix the DN removing unneded non-significative spaces
- this function ASSUME the string is talloced
- */
-static char *sldb_fix_dn(const char *dn)
-{
- char *new_dn;
- int i, j, k;
-
- /* alloc enough room to host the whole dn as multibyte string */
- new_dn = talloc(dn, strlen(dn) + 1);
- if (!new_dn) {
- DEBUG(0, ("sldb_fix_dn: Out of memory!"));
- return NULL;
- }
-
- i = j = 0;
- while (dn[i] != '\0') {
- /* it is legal to check for ascii chars in utf-8 as it is
- * guaranted to never contain ascii chars (up to 0x7F) as part
- * of a multibyte sequence */
-
- new_dn[j] = dn[i];
-
- if (dn[i] == ',' || dn[i] == '=') {
- /* skip spaces after ',' or '=' */
- for (++i; dn[i] == ' '; i++) ;
- j++;
- continue;
- }
- if (dn[i] == ' ') {
- /* check if there's a ',' after these spaces */
- for (k = i; dn[k] == ' '; k++) ;
- if (dn[k] == ',') {
- /* skip spaces */
- i = k;
- continue;
- } else {
- /* fill the dest buffer with the spaces */
- for (; dn[i] == ' '; i++, j++) {
- new_dn[j] = ' ';
- }
- continue;
- }
- }
- i++;
- j++;
- }
- new_dn[j] = '\0';
-
- return new_dn;
-}
-
-
static NTSTATUS sldb_Search(struct ldapsrv_partition *partition, struct ldapsrv_call *call,
struct ldap_SearchRequest *r)
{
NTSTATUS status;
- struct ldap_dn *bdn;
+ void *local_ctx;
+ struct ldap_dn *basedn;
struct ldap_Result *done;
struct ldap_SearchResEntry *ent;
struct ldapsrv_reply *ent_r, *done_r;
@@ -101,21 +48,20 @@ static NTSTATUS sldb_Search(struct ldapsrv_partition *partition, struct ldapsrv_
struct samdb_context *samdb;
struct ldb_message **res;
int i, j, y, count;
- struct ldb_context *ldb;
enum ldb_scope scope = LDB_SCOPE_DEFAULT;
const char **attrs = NULL;
- const char *basedn;
const char *errstr;
- samdb = samdb_connect(call);
- ldb = samdb->ldb;
- bdn = ldap_parse_dn(call, r->basedn);
- basedn = bdn->dn;
- if (basedn == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ local_ctx = talloc_named(call, 0, "sldb_Search local memory context");
+ ALLOC_CHECK(local_ctx);
+
+ samdb = samdb_connect(local_ctx);
+ ALLOC_CHECK(samdb);
- DEBUG(10, ("sldb_Search: basedn: [%s]\n", basedn));
+ basedn = ldap_parse_dn(local_ctx, r->basedn);
+ ALLOC_CHECK(basedn);
+
+ DEBUG(10, ("sldb_Search: basedn: [%s]\n", basedn->dn));
DEBUG(10, ("sldb_Search: filter: [%s]\n", r->filter));
switch (r->scope) {
@@ -144,8 +90,8 @@ static NTSTATUS sldb_Search(struct ldapsrv_partition *partition, struct ldapsrv_
attrs[i] = NULL;
}
- ldb_set_alloc(ldb, talloc_realloc_fn, samdb);
- count = ldb_search(ldb, basedn, scope, r->filter, attrs, &res);
+ ldb_set_alloc(samdb->ldb, talloc_realloc_fn, samdb);
+ count = ldb_search(samdb->ldb, basedn->dn, scope, r->filter, attrs, &res);
for (i=0; i < count; i++) {
ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry);
@@ -195,11 +141,11 @@ queue_reply:
} else if (count == 0) {
DEBUG(10,("sldb_Search: no results\n"));
result = 32;
- errstr = talloc_strdup(done_r, ldb_errstring(ldb));
+ errstr = talloc_strdup(done_r, ldb_errstring(samdb->ldb));
} else if (count == -1) {
DEBUG(10,("sldb_Search: error\n"));
result = 1;
- errstr = talloc_strdup(done_r, ldb_errstring(ldb));
+ errstr = talloc_strdup(done_r, ldb_errstring(samdb->ldb));
}
done = &done_r->msg.r.SearchResultDone;
@@ -208,7 +154,7 @@ queue_reply:
done->errormessage = errstr;
done->referral = NULL;
- talloc_free(samdb);
+ talloc_free(local_ctx);
return ldapsrv_queue_reply(call, done_r);
}
@@ -216,32 +162,34 @@ queue_reply:
static NTSTATUS sldb_Add(struct ldapsrv_partition *partition, struct ldapsrv_call *call,
struct ldap_AddRequest *r)
{
- struct ldap_dn *bdn;
+ void *local_ctx;
+ struct ldap_dn *ldn;
struct ldap_Result *add_result;
struct ldapsrv_reply *add_reply;
int ldb_ret;
struct samdb_context *samdb;
- struct ldb_context *ldb;
- const char *dn;
struct ldb_message *msg;
int result = LDAP_SUCCESS;
const char *errstr = NULL;
int i,j;
- samdb = samdb_connect(call);
- ldb = samdb->ldb;
- bdn = ldap_parse_dn(call, r->dn);
- dn = bdn->dn;
- if (dn == NULL) {
- return NT_STATUS_NO_MEMORY;
+ local_ctx = talloc_named(call, 0, "sldb_Add local memory context");
+ ALLOC_CHECK(local_ctx);
+
+ samdb = samdb_connect(local_ctx);
+ ALLOC_CHECK(samdb);
+
+ ldn = ldap_parse_dn(local_ctx, r->dn);
+ if (!ldn) {
+ return NT_STATUS_UNSUCCESSFUL;
}
- DEBUG(10, ("sldb_add: dn: [%s]\n", dn));
+ DEBUG(10, ("sldb_add: dn: [%s]\n", ldn->dn));
- msg = talloc_p(samdb, struct ldb_message);
+ msg = talloc_p(local_ctx, struct ldb_message);
ALLOC_CHECK(msg);
- msg->dn = discard_const_p(char, dn);
+ msg->dn = ldn->dn;
msg->private_data = NULL;
msg->num_elements = 0;
msg->elements = NULL;
@@ -286,11 +234,11 @@ invalid_input:
ALLOC_CHECK(add_reply);
add_result = &add_reply->msg.r.AddResponse;
- add_result->dn = talloc_steal(add_reply, dn);
+ add_result->dn = talloc_steal(add_reply, ldn->dn);
if (result == LDAP_SUCCESS) {
- ldb_set_alloc(ldb, talloc_realloc_fn, samdb);
- ldb_ret = ldb_add(ldb, msg);
+ ldb_set_alloc(samdb->ldb, talloc_realloc_fn, samdb);
+ ldb_ret = ldb_add(samdb->ldb, msg);
if (ldb_ret == 0) {
result = LDAP_SUCCESS;
errstr = NULL;
@@ -299,17 +247,17 @@ invalid_input:
* or if the object was not found, return the most probable error
*/
result = 1;
- errstr = talloc_strdup(add_reply, ldb_errstring(ldb));
+ errstr = talloc_strdup(add_reply, ldb_errstring(samdb->ldb));
}
} else {
- errstr = talloc_strdup(add_reply,"invalid input data");
+ errstr = talloc_strdup(add_reply, "invalid input data");
}
add_result->resultcode = result;
add_result->errormessage = errstr;
add_result->referral = NULL;
- talloc_free(samdb);
+ talloc_free(local_ctx);
return ldapsrv_queue_reply(call, add_reply);
}
@@ -317,34 +265,33 @@ invalid_input:
static NTSTATUS sldb_Del(struct ldapsrv_partition *partition, struct ldapsrv_call *call,
struct ldap_DelRequest *r)
{
- struct ldap_dn *bdn;
+ void *local_ctx;
+ struct ldap_dn *ldn;
struct ldap_Result *del_result;
struct ldapsrv_reply *del_reply;
int ldb_ret;
struct samdb_context *samdb;
- struct ldb_context *ldb;
const char *dn;
const char *errstr = NULL;
int result = LDAP_SUCCESS;
- samdb = samdb_connect(call);
- ldb = samdb->ldb;
- bdn = ldap_parse_dn(call, r->dn);
- dn = bdn->dn;
- if (dn == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ local_ctx = talloc_named(call, 0, "sldb_Del local memory context");
+ ALLOC_CHECK(local_ctx);
+
+ samdb = samdb_connect(local_ctx);
+ ldn = ldap_parse_dn(local_ctx, r->dn);
+ ALLOC_CHECK(ldn);
- DEBUG(10, ("sldb_Del: dn: [%s]\n", dn));
+ DEBUG(10, ("sldb_Del: dn: [%s]\n", ldn->dn));
- ldb_set_alloc(ldb, talloc_realloc_fn, samdb);
- ldb_ret = ldb_delete(ldb, dn);
+ ldb_set_alloc(samdb->ldb, talloc_realloc_fn, samdb);
+ ldb_ret = ldb_delete(samdb->ldb, ldn->dn);
del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse);
ALLOC_CHECK(del_reply);
del_result = &del_reply->msg.r.DelResponse;
- del_result->dn = talloc_steal(del_reply, dn);
+ del_result->dn = talloc_steal(del_reply, ldn->dn);
if (ldb_ret == 0) {
result = LDAP_SUCCESS;
@@ -354,14 +301,14 @@ static NTSTATUS sldb_Del(struct ldapsrv_partition *partition, struct ldapsrv_cal
* or if the object was not found, return the most probable error
*/
result = LDAP_NO_SUCH_OBJECT;
- errstr = talloc_strdup(del_reply, ldb_errstring(ldb));
+ errstr = talloc_strdup(del_reply, ldb_errstring(samdb->ldb));
}
del_result->resultcode = result;
del_result->errormessage = errstr;
del_result->referral = NULL;
- talloc_free(samdb);
+ talloc_free(local_ctx);
return ldapsrv_queue_reply(call, del_reply);
}
@@ -369,32 +316,32 @@ static NTSTATUS sldb_Del(struct ldapsrv_partition *partition, struct ldapsrv_cal
static NTSTATUS sldb_Modify(struct ldapsrv_partition *partition, struct ldapsrv_call *call,
struct ldap_ModifyRequest *r)
{
- struct ldap_dn *bdn;
+ void *local_ctx;
+ struct ldap_dn *ldn;
struct ldap_Result *modify_result;
struct ldapsrv_reply *modify_reply;
int ldb_ret;
struct samdb_context *samdb;
- struct ldb_context *ldb;
- const char *dn;
struct ldb_message *msg;
int result = LDAP_SUCCESS;
const char *errstr = NULL;
int i,j;
+ local_ctx = talloc_named(call, 0, "sldb_Modify local memory context");
+ ALLOC_CHECK(local_ctx);
+
samdb = samdb_connect(call);
- ldb = samdb->ldb;
- bdn = ldap_parse_dn(call, r->dn);
- dn = bdn->dn;
- if (dn == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ ALLOC_CHECK(samdb);
+
+ ldn = ldap_parse_dn(local_ctx, r->dn);
+ ALLOC_CHECK(ldn);
- DEBUG(10, ("sldb_modify: dn: [%s]\n", dn));
+ DEBUG(10, ("sldb_modify: dn: [%s]\n", ldn->dn));
- msg = talloc_p(samdb, struct ldb_message);
+ msg = talloc_p(local_ctx, struct ldb_message);
ALLOC_CHECK(msg);
- msg->dn = discard_const_p(char, dn);
+ msg->dn = ldn->dn;
msg->private_data = NULL;
msg->num_elements = 0;
msg->elements = NULL;
@@ -455,11 +402,11 @@ invalid_input:
ALLOC_CHECK(modify_reply);
modify_result = &modify_reply->msg.r.AddResponse;
- modify_result->dn = talloc_steal(modify_reply, dn);
+ modify_result->dn = talloc_steal(modify_reply, ldn->dn);
if (result == LDAP_SUCCESS) {
- ldb_set_alloc(ldb, talloc_realloc_fn, samdb);
- ldb_ret = ldb_modify(ldb, msg);
+ ldb_set_alloc(samdb->ldb, talloc_realloc_fn, samdb);
+ ldb_ret = ldb_modify(samdb->ldb, msg);
if (ldb_ret == 0) {
result = LDAP_SUCCESS;
errstr = NULL;
@@ -468,17 +415,17 @@ invalid_input:
* or if the object was not found, return the most probable error
*/
result = 1;
- errstr = talloc_strdup(modify_reply, ldb_errstring(ldb));
+ errstr = talloc_strdup(modify_reply, ldb_errstring(samdb->ldb));
}
} else {
- errstr = talloc_strdup(modify_reply,"invalid input data");
+ errstr = talloc_strdup(modify_reply, "invalid input data");
}
modify_result->resultcode = result;
modify_result->errormessage = errstr;
modify_result->referral = NULL;
- talloc_free(samdb);
+ talloc_free(local_ctx);
return ldapsrv_queue_reply(call, modify_reply);
}
@@ -486,7 +433,8 @@ invalid_input:
static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv_call *call,
struct ldap_CompareRequest *r)
{
- struct ldap_dn *bdn;
+ void *local_ctx;
+ struct ldap_dn *ldn;
struct ldap_Result *compare;
struct ldapsrv_reply *compare_r;
int result = 80;
@@ -499,23 +447,25 @@ static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv
const char *filter;
int count;
- samdb = samdb_connect(call);
- ldb = samdb->ldb;
- bdn = ldap_parse_dn(call, r->dn);
- dn = bdn->dn;
- if (dn == NULL) {
- return NT_STATUS_NO_MEMORY;
- }
+ local_ctx = talloc_named(call, 0, "sldb_Compare local_memory_context");
+ ALLOC_CHECK(local_ctx);
+
+ samdb = samdb_connect(local_ctx);
+ ALLOC_CHECK(samdb);
- DEBUG(10, ("sldb_Compare: dn: [%s]\n", dn));
- filter = talloc_asprintf(samdb, "(%s=%*s)", r->attribute, r->value.length, r->value.data);
+ ldn = ldap_parse_dn(local_ctx, r->dn);
+ ALLOC_CHECK(ldn);
+
+ DEBUG(10, ("sldb_Compare: dn: [%s]\n", ldn->dn));
+ filter = talloc_asprintf(local_ctx, "(%s=%*s)", r->attribute, r->value.length, r->value.data);
ALLOC_CHECK(filter);
+
DEBUGADD(10, ("sldb_Compare: attribute: [%s]\n", filter));
attrs[0] = NULL;
- ldb_set_alloc(ldb, talloc_realloc_fn, samdb);
- count = ldb_search(ldb, dn, LDB_SCOPE_BASE, filter, attrs, &res);
+ ldb_set_alloc(samdb->ldb, talloc_realloc_fn, samdb);
+ count = ldb_search(samdb->ldb, dn, LDB_SCOPE_BASE, filter, attrs, &res);
compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse);
ALLOC_CHECK(compare_r);
@@ -526,7 +476,7 @@ static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv
errstr = NULL;
} else if (count == 0) {
result = 32;
- errstr = talloc_strdup(compare_r, ldb_errstring(ldb));
+ errstr = talloc_strdup(compare_r, ldb_errstring(samdb->ldb));
DEBUG(10,("sldb_Compare: no results: %s\n", errstr));
} else if (count > 1) {
result = 80;
@@ -534,7 +484,7 @@ static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv
DEBUG(10,("sldb_Compare: %d results: %s\n", count, errstr));
} else if (count == -1) {
result = 1;
- errstr = talloc_strdup(compare_r, ldb_errstring(ldb));
+ errstr = talloc_strdup(compare_r, ldb_errstring(samdb->ldb));
DEBUG(10,("sldb_Compare: error: %s\n", errstr));
}
@@ -544,7 +494,7 @@ static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv
compare->errormessage = errstr;
compare->referral = NULL;
- talloc_free(samdb);
+ talloc_free(local_ctx);
return ldapsrv_queue_reply(call, compare_r);
}
generated by cgit (git 2.34.1) at 2024-07-17 09:30:15 +0000