X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/149b0e8a479aa1bbd9b2fb8281313edc487e6cec..37942ad83fcb6b788cceb4abe2891c92651811a7:/src/src/spam.c

diff --git a/src/src/spam.c b/src/src/spam.c
index 6451ba2cb..3ffc514f0 100644
--- a/src/src/spam.c
+++ b/src/src/spam.c
@@ -30,6 +30,7 @@ static int
 spamd_param_init(spamd_address_container *spamd)
 {
 /* default spamd server weight, time and priority value */
+spamd->is_rspamd = FALSE;
 spamd->is_failed = FALSE;
 spamd->weight = SPAMD_WEIGHT;
 spamd->timeout = SPAMD_TIMEOUT;
@@ -136,7 +137,7 @@ spamd_get_server(spamd_address_container ** spamds, int num_servers)
 {
 unsigned int i;
 spamd_address_container * sd;
-long rnd, weights;
+long weights;
 unsigned pri;
 static BOOL srandomed = FALSE;
 
@@ -169,7 +170,7 @@ for (weights = 0, i = 0; i < num_servers; i++)
 if (weights == 0)	/* all servers failed */
   return -1;
 
-for (rnd = random() % weights, i = 0; i < num_servers; i++)
+for (long rnd = random() % weights, i = 0; i < num_servers; i++)
   {
   sd = spamds[i];
   if (!sd->is_failed && sd->priority == pri)
@@ -369,26 +370,28 @@ start = time(NULL);
 (void)fcntl(spamd_cctx.sock, F_SETFL, O_NONBLOCK);
 /* now we are connected to spamd on spamd_cctx.sock */
 if (sd->is_rspamd)
-  {				/* rspamd variant */
-  uschar *req_str;
-  const uschar * helo;
-  const uschar * fcrdns;
-  const uschar * authid;
-
-  req_str = string_sprintf("CHECK RSPAMC/1.3\r\nContent-length: %lu\r\n"
-    "Queue-Id: %s\r\nFrom: <%s>\r\nRecipient-Number: %d\r\n",
-    mbox_size, message_id, sender_address, recipients_count);
-  for (i = 0; i < recipients_count; i ++)
-    req_str = string_sprintf("%sRcpt: <%s>\r\n", req_str, recipients_list[i].address);
-  if ((helo = expand_string(US"$sender_helo_name")) != NULL && *helo != '\0')
-    req_str = string_sprintf("%sHelo: %s\r\n", req_str, helo);
-  if ((fcrdns = expand_string(US"$sender_host_name")) != NULL && *fcrdns != '\0')
-    req_str = string_sprintf("%sHostname: %s\r\n", req_str, fcrdns);
-  if (sender_host_address != NULL)
-    req_str = string_sprintf("%sIP: %s\r\n", req_str, sender_host_address);
-  if ((authid = expand_string(US"$authenticated_id")) != NULL && *authid != '\0')
-    req_str = string_sprintf("%sUser: %s\r\n", req_str, authid);
-  req_str = string_sprintf("%s\r\n", req_str);
+  {
+  gstring * req_str;
+  const uschar * s;
+
+  req_str = string_append(NULL, 8,
+    "CHECK RSPAMC/1.3\r\nContent-length: ", string_sprintf("%lu\r\n", mbox_size),
+    "Queue-Id: ", message_id,
+    "\r\nFrom: <", sender_address,
+    ">\r\nRecipient-Number: ", string_sprintf("%d\r\n", recipients_count));
+
+  for (int i = 0; i < recipients_count; i++)
+    req_str = string_append(req_str, 3,
+      "Rcpt: <", recipients_list[i].address, ">\r\n");
+  if ((s = expand_string(US"$sender_helo_name")) && *s)
+    req_str = string_append(req_str, 3, "Helo: ", s, "\r\n");
+  if ((s = expand_string(US"$sender_host_name")) && *s)
+    req_str = string_append(req_str, 3, "Hostname: ", s, "\r\n");
+  if (sender_host_address)
+    req_str = string_append(req_str, 3, "IP: ", sender_host_address, "\r\n");
+  if ((s = expand_string(US"$authenticated_id")) && *s)
+    req_str = string_append(req_str, 3, "User: ", s, "\r\n");
+  req_str = string_catn(req_str, US"\r\n", 2);
   wrote = send(spamd_cctx.sock, req_str->s, req_str->ptr, 0);
   }
 else
@@ -492,7 +495,7 @@ if (ferror(mbox_file))
 
 /* we're done sending, close socket for writing */
 if (!sd->is_rspamd)
-  shutdown(spamd_cctx.sock, SHUT_WR);
+  shutdown(spamd_cctx.sock,SHUT_WR);
 
 /* read spamd response using what's left of the timeout.  */
 memset(spamd_buffer, 0, sizeof(spamd_buffer));