imap-send: use run-command API for tunneling

Signed-off-by: Erik Faye-Lund <kusmabite@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/imap-send.c b/imap-send.c
index 7216453ceb428ecffa90118c7335a061e92fc524..72ed640125ec1c1305c4e714ff9dfd96f2c34435 100644 (file)
--- a/imap-send.c
+++ b/imap-send.c
@@ -24,6 +24,7 @@
 
 #include "cache.h"
 #include "exec_cmd.h"
+#include "run-command.h"
 #ifdef NO_OPENSSL
 typedef void *SSL;
 #endif
@@ -940,8 +941,7 @@ static struct store *imap_open_store(struct imap_server_conf *srvc)
        struct imap_store *ctx;
        struct imap *imap;
        char *arg, *rsp;
-       int s = -1, a[2], preauth;
-       pid_t pid;
+       int s = -1, preauth;
 
        ctx = xcalloc(sizeof(*ctx), 1);
 
@@ -952,29 +952,24 @@ static struct store *imap_open_store(struct imap_server_conf *srvc)
        /* open connection to IMAP server */
 
        if (srvc->tunnel) {
-               imap_info("Starting tunnel '%s'... ", srvc->tunnel);
+               const char *argv[4];
+               struct child_process tunnel = {0};
 
-               if (socketpair(PF_UNIX, SOCK_STREAM, 0, a)) {
-                       perror("socketpair");
-                       exit(1);
-               }
+               imap_info("Starting tunnel '%s'... ", srvc->tunnel);
 
-               pid = fork();
-               if (pid < 0)
-                       _exit(127);
-               if (!pid) {
-                       if (dup2(a[0], 0) == -1 || dup2(a[0], 1) == -1)
-                               _exit(127);
-                       close(a[0]);
-                       close(a[1]);
-                       execl("/bin/sh", "sh", "-c", srvc->tunnel, NULL);
-                       _exit(127);
-               }
+               argv[0] = "sh";
+               argv[1] = "-c";
+               argv[2] = srvc->tunnel;
+               argv[3] = NULL;
 
-               close(a[0]);
+               tunnel.argv = argv;
+               tunnel.in = -1;
+               tunnel.out = -1;
+               if (start_command(&tunnel))
+                       die("cannot start proxy %s", argv[0]);
 
-               imap->buf.sock.fd[0] = a[1];
-               imap->buf.sock.fd[1] = dup(a[1]);
+               imap->buf.sock.fd[0] = tunnel.out;
+               imap->buf.sock.fd[1] = tunnel.in;
 
                imap_info("ok\n");
        } else {