X-Git-Url: http://git.indexdata.com/?a=blobdiff_plain;f=src%2Fcomstack.c;h=cf1d4b69829412e58079938b1a354b17d07f6f1d;hb=00537b483d646bd04a204708ecbde708861f044e;hp=669117dc2ef080d8790888978af8c18e509a3bc4;hpb=4f3bcae93d51a26709c12b51261c3d95af610cb2;p=yaz-moved-to-github.git

diff --git a/src/comstack.c b/src/comstack.c
index 669117d..cf1d4b6 100644
--- a/src/comstack.c
+++ b/src/comstack.c
@@ -1,8 +1,8 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2011 Index Data
+ * Copyright (C) 1995-2012 Index Data
  * See the file LICENSE for details.
  */
-/** 
+/**
  * \file comstack.c
  * \brief Implements Generic COMSTACK functions
  */
@@ -66,7 +66,7 @@ const char *cs_strerror(COMSTACK h)
 
 void cs_get_host_args(const char *type_and_host, const char **args)
 {
-    
+
     *args = "";
     if (*type_and_host && strncmp(type_and_host, "unix:", 5))
     {
@@ -157,13 +157,20 @@ static int cs_parse_host(const char *uri, const char **host,
 
 COMSTACK cs_create_host(const char *vhost, int blocking, void **vp)
 {
+    return cs_create_host_proxy(vhost, blocking, vp, 0);
+}
+
+COMSTACK cs_create_host_proxy(const char *vhost, int blocking, void **vp,
+                              const char *proxy_host)
+{
     enum oid_proto proto = PROTO_Z3950;
     const char *host = 0;
     COMSTACK cs;
     CS_TYPE t;
     char *connect_host = 0;
 
-    cs_parse_host(vhost, &host, &t, &proto, &connect_host);
+    if (!cs_parse_host(vhost, &host, &t, &proto, &connect_host))
+        return 0;
 
     if (t == tcpip_type)
     {
@@ -175,11 +182,13 @@ COMSTACK cs_create_host(const char *vhost, int blocking, void **vp)
     }
     if (cs)
     {
+        if (proxy_host)
+            host = proxy_host;
         if (!(*vp = cs_straddr(cs, connect_host ? connect_host : host)))
         {
             cs_close (cs);
             cs = 0;
-        }    
+        }
     }
     xfree(connect_host);
     return cs;
@@ -235,13 +244,13 @@ static int cs_read_chunk(const char *buf, int i, int len)
 #endif
                 return 0;
             } else if (yaz_isdigit(buf[i]))
-                chunk_len = chunk_len * 16 + 
+                chunk_len = chunk_len * 16 +
                     (buf[i++] - '0');
             else if (yaz_isupper(buf[i]))
-                chunk_len = chunk_len * 16 + 
+                chunk_len = chunk_len * 16 +
                     (buf[i++] - ('A'-10));
             else if (yaz_islower(buf[i]))
-                chunk_len = chunk_len * 16 + 
+                chunk_len = chunk_len * 16 +
                     (buf[i++] - ('a'-10));
             else
                 break;
@@ -249,7 +258,7 @@ static int cs_read_chunk(const char *buf, int i, int len)
             break;
         if (chunk_len < 0)
             return i;
-        
+
         while (1)
         {
             if (i >= len -1)
@@ -261,7 +270,7 @@ static int cs_read_chunk(const char *buf, int i, int len)
         /* got CRLF */
 #if CHUNK_DEBUG
         printf ("chunk_len=%d\n", chunk_len);
-#endif                      
+#endif
         i += chunk_len;
         if (i >= len-2)
             return 0;
@@ -297,7 +306,7 @@ static int cs_complete_http(const char *buf, int len, int head_only)
     /* if dealing with HTTP responses - then default
        content length is unlimited (socket close) */
     if (!head_only && !memcmp(buf, "HTTP/", 5))
-        content_len = -1; 
+        content_len = -1;
 
 #if 0
     printf("len = %d\n", len);
@@ -328,7 +337,7 @@ static int cs_complete_http(const char *buf, int len, int head_only)
                 }
                 break;
             }
-            else if (i < len - 20 && 
+            else if (i < len - 20 &&
                      !strncasecmp((const char *) buf+i, "Transfer-Encoding:", 18))
             {
                 i+=18;