diff options
| author | djm <djm> | 2008-03-26 23:59:57 +0000 |
|---|---|---|
| committer | djm <djm> | 2008-03-26 23:59:57 +0000 |
| commit | 50ad0dd0047a30e3f0e5c14d9f621132072b4297 (patch) | |
| tree | 8a8a0928f9e9c9ae596b57fe69f0536b4d06cec0 /sftp-client.c | |
| parent | 2d0da99060fc6b2313639577a14f165e05b36521 (diff) | |
| download | openssh-50ad0dd0047a30e3f0e5c14d9f621132072b4297.tar.gz | |
- djm@cvs.openbsd.org 2008/03/23 12:54:01
[sftp-client.c]
prefer POSIX-style file renaming over filexfer rename behaviour if the
server supports the posix-rename@openssh.com extension.
Note that the old (filexfer) behaviour would refuse to clobber an
existing file. Users who depended on this should adjust their sftp(1)
usage.
ok deraadt@ markus@
Diffstat (limited to 'sftp-client.c')
| -rw-r--r-- | sftp-client.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/sftp-client.c b/sftp-client.c index b189422d..69c63778 100644 --- a/sftp-client.c +++ b/sftp-client.c @@ -1,4 +1,4 @@ -/* $OpenBSD: sftp-client.c,v 1.80 2008/01/21 19:20:17 djm Exp $ */ +/* $OpenBSD: sftp-client.c,v 1.81 2008/03/23 12:54:01 djm Exp $ */ /* * Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org> * @@ -65,6 +65,8 @@ struct sftp_conn { u_int num_requests; u_int version; u_int msg_id; +#define SFTP_EXT_POSIX_RENAME 1 + u_int exts; }; static void @@ -239,7 +241,7 @@ get_decode_stat(int fd, u_int expected_id, int quiet) struct sftp_conn * do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests) { - u_int type; + u_int type, exts = 0; int version; Buffer msg; struct sftp_conn *ret; @@ -270,6 +272,8 @@ do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests) char *value = buffer_get_string(&msg, NULL); debug2("Init extension: \"%s\"", name); + if (strcmp(name, "posix-rename@openssh.com") == 0) + exts |= SFTP_EXT_POSIX_RENAME; xfree(name); xfree(value); } @@ -283,6 +287,7 @@ do_init(int fd_in, int fd_out, u_int transfer_buflen, u_int num_requests) ret->num_requests = num_requests; ret->version = version; ret->msg_id = 1; + ret->exts = exts; /* Some filexfer v.0 servers don't support large packets */ if (version == 0) @@ -639,13 +644,20 @@ do_rename(struct sftp_conn *conn, char *oldpath, char *newpath) /* Send rename request */ id = conn->msg_id++; - buffer_put_char(&msg, SSH2_FXP_RENAME); - buffer_put_int(&msg, id); + if ((conn->exts & SFTP_EXT_POSIX_RENAME)) { + buffer_put_char(&msg, SSH2_FXP_EXTENDED); + buffer_put_int(&msg, id); + buffer_put_cstring(&msg, "posix-rename@openssh.com"); + } else { + buffer_put_char(&msg, SSH2_FXP_RENAME); + buffer_put_int(&msg, id); + } buffer_put_cstring(&msg, oldpath); buffer_put_cstring(&msg, newpath); send_msg(conn->fd_out, &msg); - debug3("Sent message SSH2_FXP_RENAME \"%s\" -> \"%s\"", oldpath, - newpath); + debug3("Sent message %s \"%s\" -> \"%s\"", + (conn->exts & SFTP_EXT_POSIX_RENAME) ? "posix-rename@openssh.com" : + "SSH2_FXP_RENAME", oldpath, newpath); buffer_free(&msg); status = get_status(conn->fd_in, id); |