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134 lines
2.5 KiB
C
134 lines
2.5 KiB
C
/* fetch.c - routines for fetching data at URLs */
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/* $OpenLDAP$ */
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/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
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*
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* Copyright 1999-2012 The OpenLDAP Foundation.
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* Portions Copyright 1999-2003 Kurt D. Zeilenga.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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/* This work was initially developed by Kurt D. Zeilenga for
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* inclusion in OpenLDAP Software.
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*/
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#include "portable.h"
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/string.h>
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#include <ac/socket.h>
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#include <ac/time.h>
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#ifdef HAVE_FETCH
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#include <fetch.h>
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#endif
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#include "lber_pvt.h"
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#include "ldap_pvt.h"
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#include "ldap_config.h"
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#include "ldif.h"
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FILE *
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ldif_open_url(
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LDAP_CONST char *urlstr )
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{
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FILE *url;
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if( strncasecmp( "file:", urlstr, sizeof("file:")-1 ) == 0 ) {
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char *p;
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urlstr += sizeof("file:")-1;
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/* we don't check for LDAP_DIRSEP since URLs should contain '/' */
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if ( urlstr[0] == '/' && urlstr[1] == '/' ) {
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urlstr += 2;
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/* path must be absolute if authority is present */
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if ( urlstr[0] != '/' )
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return NULL;
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}
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p = ber_strdup( urlstr );
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/* But we should convert to LDAP_DIRSEP before use */
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if ( LDAP_DIRSEP[0] != '/' ) {
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char *s = p;
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while (( s = strchr( s, '/' )))
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*s++ = LDAP_DIRSEP[0];
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}
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ldap_pvt_hex_unescape( p );
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url = fopen( p, "rb" );
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ber_memfree( p );
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} else {
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#ifdef HAVE_FETCH
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url = fetchGetURL( (char*) urlstr, "" );
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#else
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url = NULL;
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#endif
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}
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return url;
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}
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int
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ldif_fetch_url(
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LDAP_CONST char *urlstr,
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char **valuep,
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ber_len_t *vlenp )
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{
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FILE *url;
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char buffer[1024];
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char *p = NULL;
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size_t total;
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size_t bytes;
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*valuep = NULL;
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*vlenp = 0;
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url = ldif_open_url( urlstr );
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if( url == NULL ) {
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return -1;
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}
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total = 0;
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while( (bytes = fread( buffer, 1, sizeof(buffer), url )) != 0 ) {
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char *newp = ber_memrealloc( p, total + bytes + 1 );
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if( newp == NULL ) {
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ber_memfree( p );
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fclose( url );
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return -1;
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}
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p = newp;
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AC_MEMCPY( &p[total], buffer, bytes );
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total += bytes;
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}
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fclose( url );
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if( total == 0 ) {
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char *newp = ber_memrealloc( p, 1 );
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if( newp == NULL ) {
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ber_memfree( p );
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return -1;
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}
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p = newp;
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}
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p[total] = '\0';
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*valuep = p;
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*vlenp = total;
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return 0;
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}
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