send-email: fix threaded mails without chain-reply-to

diff --git a/connect.c b/connect.c
index 2f23ab3b87e500137fe0af957901c30e61434564..958c831e430340435c31b640bd757d56b7cb8b71 100644 (file)
--- a/connect.c
+++ b/connect.c
@@ -177,18 +177,11 @@ static enum protocol get_protocol(const char *name)
 
 static const char *ai_name(const struct addrinfo *ai)
 {
-       static char addr[INET_ADDRSTRLEN];
-       if ( AF_INET == ai->ai_family ) {
-               struct sockaddr_in *in;
-               in = (struct sockaddr_in *)ai->ai_addr;
-               inet_ntop(ai->ai_family, &in->sin_addr, addr, sizeof(addr));
-       } else if ( AF_INET6 == ai->ai_family ) {
-               struct sockaddr_in6 *in;
-               in = (struct sockaddr_in6 *)ai->ai_addr;
-               inet_ntop(ai->ai_family, &in->sin6_addr, addr, sizeof(addr));
-       } else {
+       static char addr[NI_MAXHOST];
+       if (getnameinfo(ai->ai_addr, ai->ai_addrlen, addr, sizeof(addr), NULL, 0,
+                       NI_NUMERICHOST) != 0)
                strcpy(addr, "(unknown)");
-       }
+
        return addr;
 }
 
@@ -373,8 +366,6 @@ static void git_tcp_connect(int fd[2], char *host, int flags)
 
 
 static char *git_proxy_command;
-static const char *rhost_name;
-static int rhost_len;
 
 static int git_proxy_command_options(const char *var, const char *value,
                void *cb)
@@ -383,6 +374,8 @@ static int git_proxy_command_options(const char *var, const char *value,
                const char *for_pos;
                int matchlen = -1;
                int hostlen;
+               const char *rhost_name = cb;
+               int rhost_len = strlen(rhost_name);
 
                if (git_proxy_command)
                        return 0;
@@ -426,11 +419,8 @@ static int git_proxy_command_options(const char *var, const char *value,
 
 static int git_use_proxy(const char *host)
 {
-       rhost_name = host;
-       rhost_len = strlen(host);
        git_proxy_command = getenv("GIT_PROXY_COMMAND");
-       git_config(git_proxy_command_options, NULL);
-       rhost_name = NULL;
+       git_config(git_proxy_command_options, (void*)host);
        return (git_proxy_command && *git_proxy_command);
 }
 
@@ -507,7 +497,7 @@ struct child_process *git_connect(int fd[2], const char *url_orig,
                                  const char *prog, int flags)
 {
        char *url = xstrdup(url_orig);
-       char *host, *path = url;
+       char *host, *path;
        char *end;
        int c;
        struct child_process *conn;
@@ -589,7 +579,10 @@ struct child_process *git_connect(int fd[2], const char *url_orig,
                        git_tcp_connect(fd, host, flags);
                /*
                 * Separate original protocol components prog and path
-                * from extended components with a NUL byte.
+                * from extended host header with a NUL byte.
+                *
+                * Note: Do not add any other headers here!  Doing so
+                * will cause older git-daemon servers to crash.
                 */
                packet_write(fd[1],
                             "%s %s%chost=%s%c",