Import of OpenSSH 3.7p1

[gssapi-openssh.git] / openssh / sftp.c

diff --git a/openssh/sftp.c b/openssh/sftp.c
index e8adcba18f656d1adb060c2486d78df11c58ae79..c2a6593b83809163b2ce1822ab62e21eea69560c 100644 (file)
--- a/openssh/sftp.c
+++ b/openssh/sftp.c
@@ -24,9 +24,7 @@
 
 #include "includes.h"
 
-RCSID("$OpenBSD: sftp.c,v 1.34 2003/01/10 08:19:07 fgsch Exp $");
-
-/* XXX: short-form remote directory listings (like 'ls -C') */
+RCSID("$OpenBSD: sftp.c,v 1.37 2003/07/10 20:05:55 markus Exp $");
 
 #include "buffer.h"
 #include "xmalloc.h"
@@ -48,11 +46,21 @@ char *__progname;
 FILE* infile;
 size_t copy_buffer_len = 32768;
 size_t num_requests = 16;
+static pid_t sshpid = -1;
 
 extern int showprogress;
 
 static void
-connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid)
+killchild(int signo)
+{
+       if (sshpid > 1)
+               kill(sshpid, signo);
+
+       _exit(1);
+}
+
+static void
+connect_to_server(char *path, char **args, int *in, int *out)
 {
        int c_in, c_out;
 
@@ -74,9 +82,9 @@ connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid)
        c_in = c_out = inout[1];
 #endif /* USE_PIPES */
 
-       if ((*sshpid = fork()) == -1)
+       if ((sshpid = fork()) == -1)
                fatal("fork: %s", strerror(errno));
-       else if (*sshpid == 0) {
+       else if (sshpid == 0) {
                if ((dup2(c_in, STDIN_FILENO) == -1) ||
                    (dup2(c_out, STDOUT_FILENO) == -1)) {
                        fprintf(stderr, "dup2: %s\n", strerror(errno));
@@ -91,6 +99,9 @@ connect_to_server(char *path, char **args, int *in, int *out, pid_t *sshpid)
                exit(1);
        }
 
+       signal(SIGTERM, killchild);
+       signal(SIGINT, killchild);
+       signal(SIGHUP, killchild);
        close(c_in);
        close(c_out);
 }
@@ -101,8 +112,9 @@ usage(void)
        extern char *__progname;
 
        fprintf(stderr,
-           "usage: %s [-vC1] [-b batchfile] [-o option] [-s subsystem|path] [-B buffer_size]\n"
-           "            [-F config] [-P direct server path] [-S program]\n"
+           "usage: %s [-vC1] [-b batchfile] [-o ssh_option] [-s subsystem | sftp_server]\n"
+           "            [-B buffer_size] [-F ssh_config] [-P sftp_server path]\n"
+           "            [-R num_requests] [-S program]\n"
            "            [user@]host[:file [file]]\n", __progname);
        exit(1);
 }
@@ -111,7 +123,6 @@ int
 main(int argc, char **argv)
 {
        int in, out, ch, err;
-       pid_t sshpid;
        char *host, *userhost, *cp, *file2;
        int debug_level = 0, sshver = 2;
        char *file1 = NULL, *sftp_server = NULL;
@@ -121,7 +132,7 @@ main(int argc, char **argv)
        extern int optind;
        extern char *optarg;
 
-       __progname = get_progname(argv[0]);
+       __progname = ssh_get_progname(argv[0]);
        args.list = NULL;
        addargs(&args, "ssh");          /* overwritten with ssh_program */
        addargs(&args, "-oForwardX11 no");
@@ -229,15 +240,13 @@ main(int argc, char **argv)
                args.list[0] = ssh_program;
 
                fprintf(stderr, "Connecting to %s...\n", host);
-               connect_to_server(ssh_program, args.list, &in, &out,
-                   &sshpid);
+               connect_to_server(ssh_program, args.list, &in, &out);
        } else {
                args.list = NULL;
                addargs(&args, "sftp-server");
 
                fprintf(stderr, "Attaching to %s...\n", sftp_direct);
-               connect_to_server(sftp_direct, args.list, &in, &out,
-                   &sshpid);
+               connect_to_server(sftp_direct, args.list, &in, &out);
        }
 
        err = interactive_loop(in, out, file1, file2);