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Diffstat (limited to 'sftp-client.c')
-rw-r--r--sftp-client.c78
1 files changed, 45 insertions, 33 deletions
diff --git a/sftp-client.c b/sftp-client.c
index 2746f32..69c6377 100644
--- a/sftp-client.c
+++ b/sftp-client.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: sftp-client.c,v 1.76 2007/01/22 11:32:50 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)
@@ -534,6 +539,7 @@ do_lstat(struct sftp_conn *conn, char *path, int quiet)
return(get_decode_stat(conn->fd_in, id, quiet));
}
+#ifdef notyet
Attrib *
do_fstat(struct sftp_conn *conn, char *handle, u_int handle_len, int quiet)
{
@@ -545,6 +551,7 @@ do_fstat(struct sftp_conn *conn, char *handle, u_int handle_len, int quiet)
return(get_decode_stat(conn->fd_in, id, quiet));
}
+#endif
int
do_setstat(struct sftp_conn *conn, char *path, Attrib *a)
@@ -637,13 +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);
@@ -686,6 +700,7 @@ do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath)
return(status);
}
+#ifdef notyet
char *
do_readlink(struct sftp_conn *conn, char *path)
{
@@ -732,6 +747,7 @@ do_readlink(struct sftp_conn *conn, char *path)
return(filename);
}
+#endif
static void
send_read_request(int fd_out, u_int id, u_int64_t offset, u_int len,
@@ -819,6 +835,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
if (local_fd == -1) {
error("Couldn't open local file \"%s\" for writing: %s",
local_path, strerror(errno));
+ do_close(conn, handle, handle_len);
buffer_free(&msg);
xfree(handle);
return(-1);
@@ -992,9 +1009,10 @@ int
do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
int pflag)
{
- int local_fd, status;
+ int local_fd;
+ int status = SSH2_FX_OK;
u_int handle_len, id, type;
- u_int64_t offset;
+ off_t offset;
char *handle, *data;
Buffer msg;
struct stat sb;
@@ -1004,7 +1022,7 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
struct outstanding_ack {
u_int id;
u_int len;
- u_int64_t offset;
+ off_t offset;
TAILQ_ENTRY(outstanding_ack) tq;
};
TAILQ_HEAD(ackhead, outstanding_ack) acks;
@@ -1054,7 +1072,7 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
if (handle == NULL) {
close(local_fd);
buffer_free(&msg);
- return(-1);
+ return -1;
}
startid = ackid = id + 1;
@@ -1074,7 +1092,7 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
* Simulate an EOF on interrupt, allowing ACKs from the
* server to drain.
*/
- if (interrupted)
+ if (interrupted || status != SSH2_FX_OK)
len = 0;
else do
len = read(local_fd, data, conn->transfer_buflen);
@@ -1130,46 +1148,40 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
if (ack == NULL)
fatal("Can't find request for ID %u", r_id);
TAILQ_REMOVE(&acks, ack, tq);
-
- if (status != SSH2_FX_OK) {
- error("Couldn't write to remote file \"%s\": %s",
- remote_path, fx2txt(status));
- if (showprogress)
- stop_progress_meter();
- do_close(conn, handle, handle_len);
- close(local_fd);
- xfree(data);
- xfree(ack);
- status = -1;
- goto done;
- }
- debug3("In write loop, ack for %u %u bytes at %llu",
- ack->id, ack->len, (unsigned long long)ack->offset);
+ debug3("In write loop, ack for %u %u bytes at %lld",
+ ack->id, ack->len, (long long)ack->offset);
++ackid;
xfree(ack);
}
offset += len;
+ if (offset < 0)
+ fatal("%s: offset < 0", __func__);
}
+ buffer_free(&msg);
+
if (showprogress)
stop_progress_meter();
xfree(data);
+ if (status != SSH2_FX_OK) {
+ error("Couldn't write to remote file \"%s\": %s",
+ remote_path, fx2txt(status));
+ status = -1;
+ }
+
if (close(local_fd) == -1) {
error("Couldn't close local file \"%s\": %s", local_path,
strerror(errno));
- do_close(conn, handle, handle_len);
status = -1;
- goto done;
}
/* Override umask and utimes if asked */
if (pflag)
do_fsetstat(conn, handle, handle_len, &a);
- status = do_close(conn, handle, handle_len);
-
-done:
+ if (do_close(conn, handle, handle_len) != SSH2_FX_OK)
+ status = -1;
xfree(handle);
- buffer_free(&msg);
- return(status);
+
+ return status;
}
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