conn->hp is now conn->hostaddr

changed the Curl_connethost() proto again

lib/connect.c

@@ -160,6 +160,8 @@ int waitconnect(int sockfd, /* socket */
 
 CURLcode Curl_connecthost(struct connectdata *conn,
                           long timeout_ms,
+                          Curl_addrinfo *remotehost,
+                          int port,
                           int sockfd, /* input socket, or -1 if none */
                           int *socket)
 {
@@ -177,7 +179,7 @@ CURLcode Curl_connecthost(struct connectdata *conn,
     /* don't use any previous one, it might be of wrong type */
     sclose(sockfd);
   sockfd = -1; /* none! */
-  for (ai = conn->hp; ai; ai = ai->ai_next) {
+  for (ai = remotehost; ai; ai = ai->ai_next) {
     sockfd = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol);
     if (sockfd < 0)
       continue;
@@ -219,6 +221,14 @@ CURLcode Curl_connecthost(struct connectdata *conn,
    * Connecting with IPv4-only support
    */
   int aliasindex;
+  struct sockaddr_in serv_addr;
+
+  if(-1 == sockfd)
+    /* create an ordinary socket if none was provided */
+    sockfd = socket(AF_INET, SOCK_STREAM, 0);
+
+  if(-1 == sockfd)
+    return CURLE_COULDNT_CONNECT; /* big time error */
 
   /* non-block socket */
   nonblock(sockfd, TRUE);
@@ -226,20 +236,20 @@ CURLcode Curl_connecthost(struct connectdata *conn,
   /* This is the loop that attempts to connect to all IP-addresses we
      know for the given host. One by one. */
   for(rc=-1, aliasindex=0;
-      rc && (struct in_addr *)conn->hp->h_addr_list[aliasindex];
+      rc && (struct in_addr *)remotehost->h_addr_list[aliasindex];
       aliasindex++) {
 
     /* copy this particular name info to the conn struct as it might
        be used later in the krb4 "system" */
-    memset((char *) &conn->serv_addr, '\0', sizeof(conn->serv_addr));
-    memcpy((char *)&(conn->serv_addr.sin_addr),
-           (struct in_addr *)conn->hp->h_addr_list[aliasindex],
+    memset((char *) &serv_addr, '\0', sizeof(serv_addr));
+    memcpy((char *)&(serv_addr.sin_addr),
+           (struct in_addr *)remotehost->h_addr_list[aliasindex],
            sizeof(struct in_addr));
-    conn->serv_addr.sin_family = conn->hp->h_addrtype;
-    conn->serv_addr.sin_port = htons(conn->port);
+    serv_addr.sin_family = remotehost->h_addrtype;
+    serv_addr.sin_port = htons(port);
   
-    rc = connect(sockfd, (struct sockaddr *)&(conn->serv_addr),
-                 sizeof(conn->serv_addr));
+    rc = connect(sockfd, (struct sockaddr *)&serv_addr,
+                 sizeof(serv_addr));
 
     if(-1 == rc) {
       int error;
@@ -275,8 +285,13 @@ CURLcode Curl_connecthost(struct connectdata *conn,
       before = after;
       continue; /* try next address */
     }
-    else
-      break;
+    else {
+      /* copy this particular name info to the conn struct as it might
+         be used later in the krb4 "system" */
+      memcpy((char *) &conn->serv_addr, &serv_addr,
+             sizeof(conn->serv_addr));  
+    }
+    break;
   }
   if(-1 == rc) {
     /* no good connect was made */

lib/connect.h

@@ -25,6 +25,8 @@
 
 CURLcode Curl_connecthost(struct connectdata *conn,
                           long timeout, /* milliseconds */
+                          Curl_addrinfo *host, /* connect to this */
+                          long port,    /* connect to this port number */
                           int sockfd,   /* input socket, or -1 if none */
                           int *socket); /* not set if error is returned */
 #endif

lib/url.c

@@ -880,8 +880,8 @@ CURLcode Curl_disconnect(struct connectdata *conn)
     free(conn->proto.generic);
 
 #ifdef ENABLE_IPV6
-  if(conn->hp) /* host name info */
-    freeaddrinfo(conn->hp);
+  if(conn->hostaddr) /* host name info */
+    freeaddrinfo(conn->hostaddr);
 #else
   if(conn->hostent_buf) /* host name info */
     free(conn->hostent_buf);
@@ -1276,6 +1276,8 @@ static CURLcode ConnectPlease(struct SessionHandle *data,
    *************************************************************/
   return Curl_connecthost(conn,
                           max_time,
+                          conn->hostaddr,
+                          conn->port,
                           conn->firstsocket, /* might be bind()ed */
                           &conn->firstsocket);
 }
@@ -2086,26 +2088,26 @@ static CURLcode CreateConnection(struct SessionHandle *data,
     conn->port =  conn->remote_port; /* it is the same port */
 
     /* Resolve target host right on */
-    if(!conn->hp) {
+    if(!conn->hostaddr) {
       /* it might already be set if reusing a connection */
-      conn->hp = Curl_getaddrinfo(data, conn->name, conn->port,
+      conn->hostaddr = Curl_getaddrinfo(data, conn->name, conn->port,
                                   &conn->hostent_buf);
     }
-    if(!conn->hp) {
+    if(!conn->hostaddr) {
       failf(data, "Couldn't resolve host '%s'", conn->name);
       return CURLE_COULDNT_RESOLVE_HOST;
     }
   }
-  else if(!conn->hp) {
+  else if(!conn->hostaddr) {
     /* This is a proxy that hasn't been resolved yet. It may be resolved
        if we're reusing an existing connection. */
 
     /* resolve proxy */
     /* it might already be set if reusing a connection */
-    conn->hp = Curl_getaddrinfo(data, conn->proxyhost, conn->port,
+    conn->hostaddr = Curl_getaddrinfo(data, conn->proxyhost, conn->port,
                                 &conn->hostent_buf);
 
-    if(!conn->hp) {
+    if(!conn->hostaddr) {
       failf(data, "Couldn't resolve proxy '%s'", conn->proxyhost);
       return CURLE_COULDNT_RESOLVE_PROXY;
     }
@@ -2195,8 +2197,8 @@ static CURLcode CreateConnection(struct SessionHandle *data,
 #else
   {
     struct in_addr in;
-    (void) memcpy(&in.s_addr, *conn->hp->h_addr_list, sizeof (in.s_addr));
-    infof(data, "Connected to %s (%s)\n", conn->hp->h_name, inet_ntoa(in));
+    (void) memcpy(&in.s_addr, *conn->hostaddr->h_addr_list, sizeof (in.s_addr));
+    infof(data, "Connected to %s (%s)\n", conn->hostaddr->h_name, inet_ntoa(in));
   }
 #endif