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Diffstat (limited to 'crypto/openssh/sftp-client.c')
-rw-r--r--crypto/openssh/sftp-client.c110
1 files changed, 72 insertions, 38 deletions
diff --git a/crypto/openssh/sftp-client.c b/crypto/openssh/sftp-client.c
index f6a73f3..3b3279e 100644
--- a/crypto/openssh/sftp-client.c
+++ b/crypto/openssh/sftp-client.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2001,2002 Damien Miller. All rights reserved.
+ * Copyright (c) 2001-2003 Damien Miller. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
@@ -28,7 +28,7 @@
/* XXX: copy between two remote sites */
#include "includes.h"
-RCSID("$OpenBSD: sftp-client.c,v 1.35 2002/09/11 22:41:49 djm Exp $");
+RCSID("$OpenBSD: sftp-client.c,v 1.42 2003/03/05 22:33:43 markus Exp $");
#include "openbsd-compat/sys-queue.h"
@@ -38,14 +38,20 @@ RCSID("$OpenBSD: sftp-client.c,v 1.35 2002/09/11 22:41:49 djm Exp $");
#include "xmalloc.h"
#include "log.h"
#include "atomicio.h"
+#include "progressmeter.h"
#include "sftp.h"
#include "sftp-common.h"
#include "sftp-client.h"
+extern int showprogress;
+
/* Minimum amount of data to read at at time */
#define MIN_READ_SIZE 512
+/* Maximum packet size */
+#define MAX_MSG_LENGTH (256 * 1024)
+
struct sftp_conn {
int fd_in;
int fd_out;
@@ -58,48 +64,45 @@ struct sftp_conn {
static void
send_msg(int fd, Buffer *m)
{
- int mlen = buffer_len(m);
- int len;
- Buffer oqueue;
+ u_char mlen[4];
+
+ if (buffer_len(m) > MAX_MSG_LENGTH)
+ fatal("Outbound message too long %u", buffer_len(m));
- buffer_init(&oqueue);
- buffer_put_int(&oqueue, mlen);
- buffer_append(&oqueue, buffer_ptr(m), mlen);
- buffer_consume(m, mlen);
+ /* Send length first */
+ PUT_32BIT(mlen, buffer_len(m));
+ if (atomicio(write, fd, mlen, sizeof(mlen)) <= 0)
+ fatal("Couldn't send packet: %s", strerror(errno));
- len = atomicio(write, fd, buffer_ptr(&oqueue), buffer_len(&oqueue));
- if (len <= 0)
+ if (atomicio(write, fd, buffer_ptr(m), buffer_len(m)) <= 0)
fatal("Couldn't send packet: %s", strerror(errno));
- buffer_free(&oqueue);
+ buffer_clear(m);
}
static void
get_msg(int fd, Buffer *m)
{
- u_int len, msg_len;
- unsigned char buf[4096];
+ ssize_t len;
+ u_int msg_len;
- len = atomicio(read, fd, buf, 4);
+ buffer_append_space(m, 4);
+ len = atomicio(read, fd, buffer_ptr(m), 4);
if (len == 0)
fatal("Connection closed");
else if (len == -1)
fatal("Couldn't read packet: %s", strerror(errno));
- msg_len = GET_32BIT(buf);
- if (msg_len > 256 * 1024)
+ msg_len = buffer_get_int(m);
+ if (msg_len > MAX_MSG_LENGTH)
fatal("Received message too long %u", msg_len);
- while (msg_len) {
- len = atomicio(read, fd, buf, MIN(msg_len, sizeof(buf)));
- if (len == 0)
- fatal("Connection closed");
- else if (len == -1)
- fatal("Couldn't read packet: %s", strerror(errno));
-
- msg_len -= len;
- buffer_append(m, buf, len);
- }
+ buffer_append_space(m, msg_len);
+ len = atomicio(read, fd, buffer_ptr(m), msg_len);
+ if (len == 0)
+ fatal("Connection closed");
+ else if (len == -1)
+ fatal("Read packet: %s", strerror(errno));
}
static void
@@ -371,6 +374,7 @@ do_lsreaddir(struct sftp_conn *conn, char *path, int printflag,
error("Couldn't read directory: %s",
fx2txt(status));
do_close(conn, handle, handle_len);
+ xfree(handle);
return(status);
}
} else if (type != SSH2_FXP_NAME)
@@ -660,7 +664,7 @@ do_symlink(struct sftp_conn *conn, char *oldpath, char *newpath)
status = get_status(conn->fd_in, id);
if (status != SSH2_FX_OK)
- error("Couldn't rename file \"%s\" to \"%s\": %s", oldpath,
+ error("Couldn't symlink file \"%s\" to \"%s\": %s", oldpath,
newpath, fx2txt(status));
return(status);
@@ -741,6 +745,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
int read_error, write_errno;
u_int64_t offset, size;
u_int handle_len, mode, type, id, buflen;
+ off_t progress_counter;
struct request {
u_int id;
u_int len;
@@ -758,13 +763,13 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
/* XXX: should we preserve set[ug]id? */
if (a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS)
- mode = S_IWRITE | (a->perm & 0777);
+ mode = a->perm & 0777;
else
mode = 0666;
if ((a->flags & SSH2_FILEXFER_ATTR_PERMISSIONS) &&
- (a->perm & S_IFDIR)) {
- error("Cannot download a directory: %s", remote_path);
+ (!S_ISREG(a->perm))) {
+ error("Cannot download non-regular file: %s", remote_path);
return(-1);
}
@@ -793,7 +798,8 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
return(-1);
}
- local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC, mode);
+ local_fd = open(local_path, O_WRONLY | O_CREAT | O_TRUNC,
+ mode | S_IWRITE);
if (local_fd == -1) {
error("Couldn't open local file \"%s\" for writing: %s",
local_path, strerror(errno));
@@ -805,6 +811,16 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
/* Read from remote and write to local */
write_error = read_error = write_errno = num_req = offset = 0;
max_req = 1;
+ progress_counter = 0;
+
+ if (showprogress) {
+ if (size)
+ start_progress_meter(remote_path, size,
+ &progress_counter);
+ else
+ printf("Fetching %s to %s\n", remote_path, local_path);
+ }
+
while (num_req > 0 || max_req > 0) {
char *data;
u_int len;
@@ -857,14 +873,15 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
(unsigned long long)req->offset + len - 1);
if (len > req->len)
fatal("Received more data than asked for "
- "%u > %u", len, req->len);
+ "%u > %u", len, req->len);
if ((lseek(local_fd, req->offset, SEEK_SET) == -1 ||
- atomicio(write, local_fd, data, len) != len) &&
+ atomicio(write, local_fd, data, len) != len) &&
!write_error) {
write_errno = errno;
write_error = 1;
max_req = 0;
}
+ progress_counter += len;
xfree(data);
if (len == req->len) {
@@ -907,6 +924,9 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
}
}
+ if (showprogress && size)
+ stop_progress_meter();
+
/* Sanity check */
if (TAILQ_FIRST(&requests) != NULL)
fatal("Transfer complete, but requests still in queue");
@@ -930,7 +950,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
if (pflag && chmod(local_path, mode) == -1)
#endif /* HAVE_FCHMOD */
error("Couldn't set mode on \"%s\": %s", local_path,
- strerror(errno));
+ strerror(errno));
if (pflag && (a->flags & SSH2_FILEXFER_ATTR_ACMODTIME)) {
struct timeval tv[2];
tv[0].tv_sec = a->atime;
@@ -938,7 +958,7 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
tv[0].tv_usec = tv[1].tv_usec = 0;
if (utimes(local_path, tv) == -1)
error("Can't set times on \"%s\": %s",
- local_path, strerror(errno));
+ local_path, strerror(errno));
}
}
close(local_fd);
@@ -983,6 +1003,11 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
close(local_fd);
return(-1);
}
+ if (!S_ISREG(sb.st_mode)) {
+ error("%s is not a regular file", local_path);
+ close(local_fd);
+ return(-1);
+ }
stat_to_attrib(&sb, &a);
a.flags &= ~SSH2_FILEXFER_ATTR_SIZE;
@@ -1017,6 +1042,11 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
/* Read from local and write to remote */
offset = 0;
+ if (showprogress)
+ start_progress_meter(local_path, sb.st_size, &offset);
+ else
+ printf("Uploading %s to %s\n", local_path, remote_path);
+
for (;;) {
int len;
@@ -1047,7 +1077,7 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
buffer_put_string(&msg, data, len);
send_msg(conn->fd_out, &msg);
debug3("Sent message SSH2_FXP_WRITE I:%u O:%llu S:%u",
- id, (unsigned long long)offset, len);
+ id, (unsigned long long)offset, len);
} else if (TAILQ_FIRST(&acks) == NULL)
break;
@@ -1081,9 +1111,11 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
if (status != SSH2_FX_OK) {
error("Couldn't write to remote file \"%s\": %s",
- remote_path, fx2txt(status));
+ remote_path, fx2txt(status));
do_close(conn, handle, handle_len);
close(local_fd);
+ xfree(data);
+ xfree(ack);
goto done;
}
debug3("In write loop, ack for %u %u bytes at %llu",
@@ -1093,6 +1125,8 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
}
offset += len;
}
+ if (showprogress)
+ stop_progress_meter();
xfree(data);
if (close(local_fd) == -1) {
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