Re: git daemon directory munging?

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On Sat, 3 Jun 2006, Jon Loeliger wrote:
>
> <jdl> Thus, I'd use something like:
>       --map-base=www.foo.com/pub/scm:/pub/foo/scm
>       --map-base=www.bar.com/pub/scm=/pub/bar/scm

The bigger problem is that nothing actually passes in the hostname to 
git-daemon in the first place. By the time the git-daemon is contacted, 
the hostname is long gone ;(

Now, you can just extend the git protocol to just pass in the host too. 

You can in fact do this in a backwards-compatible manner (old git-daemons 
will just ignore it, and new git daemons will automatically notice new 
clients) with something evil like the appended.

Not tested (and this actualyl doesn't make the daemon _use_ the data, it 
just adds a comment - the rest "is left as an exercise for the reader")

		Linus

---
diff --git a/connect.c b/connect.c
index 54f7bf7..36c5d04 100644
--- a/connect.c
+++ b/connect.c
@@ -374,7 +374,7 @@ static int git_tcp_connect(int fd[2], co
 
 	fd[0] = sockfd;
 	fd[1] = sockfd;
-	packet_write(sockfd, "%s %s\n", prog, path);
+	packet_write(sockfd, "%s %s%c%s%c%s\n", prog, path, 0, host, 0, port);
 	return 0;
 }
 
diff --git a/daemon.c b/daemon.c
index 776749e..61e0af9 100644
--- a/daemon.c
+++ b/daemon.c
@@ -267,7 +267,7 @@ static int upload(char *dir)
 static int execute(void)
 {
 	static char line[1000];
-	int len;
+	int len, n;
 
 	alarm(init_timeout ? init_timeout : timeout);
 	len = packet_read_line(0, line, sizeof(line));
@@ -276,6 +276,14 @@ static int execute(void)
 	if (len && line[len-1] == '\n')
 		line[--len] = 0;
 
+	n = strlen(line);
+	if (n != len) {
+		/* Cool, we have hidden info at the end */
+		/* Parse the hostname and the port, and */
+		/* leave some room for expansion for	*/
+		/* the future ..			*/
+	}
+
 	if (!strncmp("git-upload-pack ", line, 16))
 		return upload(line+16);
 
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