* ksutil.h, ksutil.c (curl_writer), gpgkeys_curl.c (get_key): Pass a

context to curl_writer so we can support multiple fetches in a single
session.

4 files changed, 39 insertions, 18 deletions

diff --git a/keyserver/ChangeLog b/keyserver/ChangeLog
index ea3e20533..d38e7816f 100644
--- a/keyserver/ChangeLog
+++ b/keyserver/ChangeLog
@@ -1,5 +1,9 @@
 2005-04-16  David Shaw  <[email protected]>
 
+	* ksutil.h, ksutil.c (curl_writer), gpgkeys_curl.c (get_key): Pass
+	a context to curl_writer so we can support multiple fetches in a
+	single session.
+
 	* curl-shim.h, curl-shim.c (handle_error, curl_easy_setopt,
 	curl_easy_perform): Add POST functionality to the curl shim.
 
diff --git a/keyserver/gpgkeys_curl.c b/keyserver/gpgkeys_curl.c
index 1ec7a8ae6..c827253f6 100644
--- a/keyserver/gpgkeys_curl.c
+++ b/keyserver/gpgkeys_curl.c
@@ -48,6 +48,9 @@ get_key(char *getkey)
   CURLcode res;
   char errorbuffer[CURL_ERROR_SIZE];
   char request[MAX_URL];
+  struct curl_writer_ctx ctx;
+
+  memset(&ctx,0,sizeof(ctx));
 
   if(strncmp(getkey,"0x",2)==0)
     getkey+=2;
@@ -62,7 +65,8 @@ get_key(char *getkey)
 
   curl_easy_setopt(curl,CURLOPT_URL,request);
   curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,curl_writer);
-  curl_easy_setopt(curl,CURLOPT_FILE,output);
+  ctx.stream=output;
+  curl_easy_setopt(curl,CURLOPT_FILE,&ctx);
   curl_easy_setopt(curl,CURLOPT_ERRORBUFFER,errorbuffer);
 
   res=curl_easy_perform(curl);
diff --git a/keyserver/ksutil.c b/keyserver/ksutil.c
index 490a83feb..141d31c82 100644
--- a/keyserver/ksutil.c
+++ b/keyserver/ksutil.c
@@ -329,39 +329,44 @@ curl_err_to_gpg_err(CURLcode error)
 }
 
 size_t
-curl_writer(const void *ptr,size_t size,size_t nmemb,void *stream)
+curl_writer(const void *ptr,size_t size,size_t nmemb,void *cw_ctx)
 {
+  struct curl_writer_ctx *ctx=cw_ctx;
   const char *buf=ptr;
   size_t i;
-  static int markeridx=0,begun=0,done=0;
-  static const char *marker=BEGIN;
+
+  if(!ctx->initialized)
+    {
+      ctx->marker=BEGIN;
+      ctx->initialized=1;
+    }
 
   /* scan the incoming data for our marker */
-  for(i=0;!done && i<(size*nmemb);i++)
+  for(i=0;!ctx->done && i<(size*nmemb);i++)
     {
-      if(buf[i]==marker[markeridx])
+      if(buf[i]==ctx->marker[ctx->markeridx])
 	{
-	  markeridx++;
-	  if(marker[markeridx]=='\0')
+	  ctx->markeridx++;
+	  if(ctx->marker[ctx->markeridx]=='\0')
 	    {
-	      if(begun)
-		done=1;
+	      if(ctx->begun)
+		ctx->done=1;
 	      else
 		{
 		  /* We've found the BEGIN marker, so now we're looking
 		     for the END marker. */
-		  begun=1;
-		  marker=END;
-		  markeridx=0;
-		  fprintf(stream,BEGIN);
+		  ctx->begun=1;
+		  ctx->marker=END;
+		  ctx->markeridx=0;
+		  fprintf(ctx->stream,BEGIN);
 		  continue;
 		}
 	    }
 	}
       else
-	markeridx=0;
+	ctx->markeridx=0;
 
-      if(begun)
+      if(ctx->begun)
 	{
 	  /* Canonicalize CRLF to just LF by stripping CRs.  This
 	     actually makes sense, since on Unix-like machines LF is
@@ -372,7 +377,7 @@ curl_writer(const void *ptr,size_t size,size_t nmemb,void *stream)
 	     the like. */
 
 	  if(buf[i]!='\r')
-	    fputc(buf[i],stream);
+	    fputc(buf[i],ctx->stream);
 	}
     }
 
diff --git a/keyserver/ksutil.h b/keyserver/ksutil.h
index a859687d9..1b123922b 100644
--- a/keyserver/ksutil.h
+++ b/keyserver/ksutil.h
@@ -101,6 +101,14 @@ int parse_ks_options(char *line,struct ks_options *opt);
 const char *ks_action_to_string(enum ks_action action);
 void print_nocr(FILE *stream,const char *str);
 int curl_err_to_gpg_err(CURLcode error);
-size_t curl_writer(const void *ptr,size_t size,size_t nmemb,void *stream);
+
+struct curl_writer_ctx
+{
+  int initialized,markeridx,begun,done;
+  const char *marker;
+  FILE *stream;
+};
+
+size_t curl_writer(const void *ptr,size_t size,size_t nmemb,void *cw_ctx);
 
 #endif /* !_KSUTIL_H_ */