/* id.c - keep track of the next id to be given out */
+#include "portable.h"
+
#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
+
+#include <ac/socket.h>
+
+#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
+#endif
+
#include "slap.h"
#include "back-ldbm.h"
sprintf( buf, "%s/NEXTID", li->li_directory );
pthread_mutex_lock( &li->li_nextid_mutex );
+
/* first time in here since startup - try to read the nexid */
if ( li->li_nextid == -1 ) {
if ( (fp = fopen( buf, "r" )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
- "next_id %d: could not open \"%s\"\n",
+ "next_id %lu: could not open \"%s\"\n",
li->li_nextid, buf, 0 );
li->li_nextid = 1;
+
} else {
if ( fgets( buf2, sizeof(buf2), fp ) != NULL ) {
li->li_nextid = atol( buf2 );
+
+ if(li->li_nextid < 1) {
+ /* protect against bad data */
+ Debug( LDAP_DEBUG_ANY,
+ "next_id %lu: atol(%s) return non-positive integer\n",
+ li->li_nextid, buf2, 0 );
+ li->li_nextid = 1;
+ }
+
} else {
Debug( LDAP_DEBUG_ANY,
- "next_id %d: could not fgets nextid from \"%s\"\n",
+ "next_id %lu: could not fgets nextid from \"%s\"\n",
li->li_nextid, buf2, 0 );
li->li_nextid = 1;
}
+
fclose( fp );
}
}
- li->li_nextid++;
+ id = li->li_nextid++;
+
if ( (fp = fopen( buf, "w" )) == NULL ) {
- Debug( LDAP_DEBUG_ANY, "next_id %d: could not open \"%s\"\n",
+ Debug( LDAP_DEBUG_ANY, "next_id %lu: could not open \"%s\"\n",
li->li_nextid, buf, 0 );
} else {
if ( fprintf( fp, "%ld\n", li->li_nextid ) == EOF ) {
- Debug( LDAP_DEBUG_ANY, "next_id %d: cannot fprintf\n",
+ Debug( LDAP_DEBUG_ANY, "next_id %lu: cannot fprintf\n",
li->li_nextid, 0, 0 );
}
if( fclose( fp ) != 0 ) {
- Debug( LDAP_DEBUG_ANY, "next_id %d: cannot fclose\n",
+ Debug( LDAP_DEBUG_ANY, "next_id %lu: cannot fclose\n",
li->li_nextid, 0, 0 );
}
}
- id = li->li_nextid - 1;
- pthread_mutex_unlock( &li->li_nextid_mutex );
+ pthread_mutex_unlock( &li->li_nextid_mutex );
return( id );
}
FILE *fp;
pthread_mutex_lock( &li->li_nextid_mutex );
+
if ( id != li->li_nextid - 1 ) {
pthread_mutex_unlock( &li->li_nextid_mutex );
return;
li->li_nextid--;
if ( (fp = fopen( buf, "w" )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
- "next_id_return of %d: could not open \"%s\" next id %d\n",
+ "next_id_return of %lu: could not open \"%s\" next id %lu\n",
id, buf, li->li_nextid );
} else {
if ( fprintf( fp, "%ld\n", li->li_nextid ) == EOF ) {
Debug( LDAP_DEBUG_ANY,
- "next_id_return of %d: cannot fprintf \"%s\" next id %d\n",
+ "next_id_return of %lu: cannot fprintf \"%s\" next id %lu\n",
id, buf, li->li_nextid );
}
if( fclose( fp ) != 0 ) {
Debug( LDAP_DEBUG_ANY,
- "next_id_return of %d: cannot fclose \"%s\" next id %d\n",
+ "next_id_return of %lu: cannot fclose \"%s\" next id %lu\n",
id, buf, li->li_nextid );
}
}
sprintf( buf, "%s/NEXTID", li->li_directory );
pthread_mutex_lock( &li->li_nextid_mutex );
+
/* first time in here since startup - try to read the nexid */
if ( li->li_nextid == -1 ) {
if ( (fp = fopen( buf, "r" )) == NULL ) {
Debug( LDAP_DEBUG_ANY,
- "next_id %d: could not open \"%s\"\n",
+ "next_id_get %lu: could not open \"%s\"\n",
li->li_nextid, buf, 0 );
li->li_nextid = 1;
+
} else {
if ( fgets( buf2, sizeof(buf2), fp ) != NULL ) {
li->li_nextid = atol( buf2 );
+
+ if(li->li_nextid < 1) {
+ /* protect against bad data */
+ Debug( LDAP_DEBUG_ANY,
+ "next_id_get %lu: atol(%s) return non-positive integer\n",
+ li->li_nextid, buf2, 0 );
+ li->li_nextid = 1;
+ }
+
} else {
Debug( LDAP_DEBUG_ANY,
- "next_id %d: cannot fgets nextid from \"%s\"\n",
+ "next_id_get %lu: cannot fgets nextid from \"%s\"\n",
li->li_nextid, buf2, 0 );
li->li_nextid = 1;
}
fclose( fp );
}
}
+
id = li->li_nextid;
+
pthread_mutex_unlock( &li->li_nextid_mutex );
return( id );