git.sur5r.net Git - openldap/blob - libraries/libldif/fetch.c

   1 /* line64.c - routines for dealing with the slapd line format */
   2
   3 #include "portable.h"
   4
   5 #include <stdio.h>
   6
   7 #include <ac/stdlib.h>
   8
   9 #include <ac/string.h>
  10 #include <ac/socket.h>
  11 #include <ac/time.h>
  12
  13 #ifdef HAVE_FETCH
  14 #include <fetch.h>
  15 #endif
  16
  17 #include "ldap_log.h"
  18 #include "lber_pvt.h"
  19 #include "ldap_pvt.h"
  20 #include "ldap_config.h"
  21 #include "ldif.h"
  22
  23 int
  24 ldif_fetch_url(
  25     LDAP_CONST char     *urlstr,
  26     char        **valuep,
  27     ber_len_t *vlenp
  28 )
  29 {
  30         FILE *url;
  31         char buffer[1024];
  32         char *p = NULL;
  33         size_t total;
  34         size_t bytes;
  35
  36         *valuep = NULL;
  37         *vlenp = 0;
  38
  39 #ifdef HAVE_FETCH
  40         url = fetchGetURL( (char*) urlstr, "" );
  41
  42 #else
  43         if( strncasecmp( "file://", urlstr, sizeof("file://")-1 ) == 0 ) {
  44                 p = strchr( &urlstr[sizeof("file://")-1], '/' );
  45                 if( p == NULL ) {
  46                         return -1;
  47                 }
  48
  49                 if( *p != *LDAP_DIRSEP ) {
  50                         /* skip over false root */
  51                         p++;
  52                 }
  53
  54                 p = ber_strdup( p );
  55                 ldap_pvt_hex_unescape( p );
  56
  57                 url = fopen( p, "r" );
  58
  59         } else {
  60                 return -1;
  61         }
  62 #endif
  63
  64         if( url == NULL ) {
  65                 return -1;
  66         }
  67
  68         total = 0;
  69
  70         while( bytes = fread( buffer, 1, sizeof(buffer), url ) ) {
  71                 char *newp = ber_memrealloc( p, total + bytes );
  72                 if( newp == NULL ) {
  73                         ber_memfree( p );
  74                         fclose( url );
  75                         return -1;
  76                 }
  77                 newp = p;
  78                 SAFEMEMCPY( &p[total], buffer, bytes );
  79                 total += bytes;
  80         }
  81
  82         fclose( url );
  83
  84         *valuep = p;
  85         *vlenp = total;
  86
  87         return 0;
  88 }
  89