From: YOSHIFUJI Hideaki <[EMAIL PROTECTED]>
Date: 1121951436 -0400
Try all addresses for given remote name until it succeeds.
Also supports IPv6.
Signed-off-by: Hideaki YOSHIFUJI <[EMAIL PROTECTED]>
Signed-off-by: Junio C Hamano <[EMAIL PROTECTED]>
---
*** Linus, I am not ACKing Hideaki's other change on the
*** daemon.c side at this moment; Pasky raised two good points
*** and I expect Hideaki will resubmit (either modified or as
*** is).
connect.c | 71 +++++++++++++++++++++++++++++++++++++------------------------
1 files changed, 43 insertions(+), 28 deletions(-)
42210dd815647c3d4b71142a8a43de5a009485b2
diff --git a/connect.c b/connect.c
--- a/connect.c
+++ b/connect.c
@@ -96,42 +96,57 @@ static enum protocol get_protocol(const
die("I don't handle protocol '%s'", name);
}
-static void lookup_host(const char *host, struct sockaddr *in)
-{
- struct addrinfo *res;
- int ret;
-
- ret = getaddrinfo(host, NULL, NULL, &res);
- if (ret)
- die("Unable to look up %s (%s)", host, gai_strerror(ret));
- *in = *res->ai_addr;
- freeaddrinfo(res);
-}
+#define STR_(s) # s
+#define STR(s) STR_(s)
static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
{
- struct sockaddr addr;
- int port = DEFAULT_GIT_PORT, sockfd;
- char *colon;
-
- colon = strchr(host, ':');
- if (colon) {
- char *end;
- unsigned long n = strtoul(colon+1, &end, 0);
- if (colon[1] && !*end) {
- *colon = 0;
- port = n;
+ int sockfd = -1;
+ char *colon, *end;
+ char *port = STR(DEFAULT_GIT_PORT);
+ struct addrinfo hints, *ai0, *ai;
+ int gai;
+
+ if (host[0] == '[') {
+ end = strchr(host + 1, ']');
+ if (end) {
+ *end = 0;
+ end++;
+ host++;
+ } else
+ end = host;
+ } else
+ end = host;
+ colon = strchr(end, ':');
+
+ if (colon)
+ port = colon + 1;
+
+ memset(&hints, 0, sizeof(hints));
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_protocol = IPPROTO_TCP;
+
+ gai = getaddrinfo(host, port, &hints, &ai);
+ if (gai)
+ die("Unable to look up %s (%s)", host, gai_strerror(gai));
+
+ for (ai0 = ai; ai; ai = ai->ai_next) {
+ sockfd = socket(ai->ai_family, ai->ai_socktype,
ai->ai_protocol);
+ if (sockfd < 0)
+ continue;
+ if (connect(sockfd, ai->ai_addr, ai->ai_addrlen) < 0) {
+ close(sockfd);
+ sockfd = -1;
+ continue;
}
+ break;
}
- lookup_host(host, &addr);
- ((struct sockaddr_in *)&addr)->sin_port = htons(port);
+ freeaddrinfo(ai0);
- sockfd = socket(PF_INET, SOCK_STREAM, IPPROTO_IP);
if (sockfd < 0)
- die("unable to create socket (%s)", strerror(errno));
- if (connect(sockfd, (void *)&addr, sizeof(addr)) < 0)
- die("unable to connect (%s)", strerror(errno));
+ die("unable to connect a socket (%s)", strerror(errno));
+
fd[0] = sockfd;
fd[1] = sockfd;
packet_write(sockfd, "%s %s\n", prog, path);
-
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