summaryrefslogtreecommitdiff
path: root/connect.c
diff options
context:
space:
mode:
Diffstat (limited to 'connect.c')
-rw-r--r--connect.c60
1 files changed, 42 insertions, 18 deletions
diff --git a/connect.c b/connect.c
index 54f7bf7..eca94f7 100644
--- a/connect.c
+++ b/connect.c
@@ -322,7 +322,10 @@ static enum protocol get_protocol(const char *name)
#ifndef NO_IPV6
-static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
+/*
+ * Returns a connected socket() fd, or else die()s.
+ */
+static int git_tcp_connect_sock(char *host)
{
int sockfd = -1;
char *colon, *end;
@@ -356,7 +359,8 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
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);
+ 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) {
@@ -372,15 +376,15 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
if (sockfd < 0)
die("unable to connect a socket (%s)", strerror(errno));
- fd[0] = sockfd;
- fd[1] = sockfd;
- packet_write(sockfd, "%s %s\n", prog, path);
- return 0;
+ return sockfd;
}
#else /* NO_IPV6 */
-static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
+/*
+ * Returns a connected socket() fd, or else die()s.
+ */
+static int git_tcp_connect_sock(char *host)
{
int sockfd = -1;
char *colon, *end;
@@ -407,7 +411,6 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
port = colon + 1;
}
-
he = gethostbyname(host);
if (!he)
die("Unable to look up %s (%s)", host, hstrerror(h_errno));
@@ -441,13 +444,21 @@ static int git_tcp_connect(int fd[2], const char *prog, char *host, char *path)
if (sockfd < 0)
die("unable to connect a socket (%s)", strerror(errno));
+ return sockfd;
+}
+
+#endif /* NO_IPV6 */
+
+
+static void git_tcp_connect(int fd[2],
+ const char *prog, char *host, char *path)
+{
+ int sockfd = git_tcp_connect_sock(host);
+
fd[0] = sockfd;
fd[1] = sockfd;
- packet_write(sockfd, "%s %s\n", prog, path);
- return 0;
}
-#endif /* NO_IPV6 */
static char *git_proxy_command = NULL;
static const char *rhost_name = NULL;
@@ -510,7 +521,8 @@ static int git_use_proxy(const char *host)
return (git_proxy_command && *git_proxy_command);
}
-static int git_proxy_connect(int fd[2], const char *prog, char *host, char *path)
+static void git_proxy_connect(int fd[2],
+ const char *prog, char *host, char *path)
{
char *port = STR(DEFAULT_GIT_PORT);
char *colon, *end;
@@ -547,12 +559,12 @@ static int git_proxy_connect(int fd[2], const char *prog, char *host, char *path
execlp(git_proxy_command, git_proxy_command, host, port, NULL);
die("exec failed");
}
+ if (pid < 0)
+ die("fork failed");
fd[0] = pipefd[0][0];
fd[1] = pipefd[1][1];
close(pipefd[0][1]);
close(pipefd[1][0]);
- packet_write(fd[1], "%s %s\n", prog, path);
- return pid;
}
/*
@@ -620,14 +632,26 @@ int git_connect(int fd[2], char *url, const char *prog)
}
if (protocol == PROTO_GIT) {
- int ret;
+ /* These underlying connection commands die() if they
+ * cannot connect.
+ */
+ char *target_host = strdup(host);
if (git_use_proxy(host))
- ret = git_proxy_connect(fd, prog, host, path);
+ git_proxy_connect(fd, prog, host, path);
else
- ret = git_tcp_connect(fd, prog, host, path);
+ git_tcp_connect(fd, prog, host, path);
+ /*
+ * Separate original protocol components prog and path
+ * from extended components with a NUL byte.
+ */
+ packet_write(fd[1],
+ "%s %s%chost=%s%c",
+ prog, path, 0,
+ target_host, 0);
+ free(target_host);
if (free_path)
free(path);
- return ret;
+ return 0;
}
if (pipe(pipefd[0]) < 0 || pipe(pipefd[1]) < 0)