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- djm@cvs.openbsd.org 2009/08/14 18:17:49 

[sftp-client.c]
     make the "get_handle: ..." error messages vaguely useful by allowing
     callers to specify their own error message strings.
This commit is contained in:
Darren Tucker 2009-10-07 08:24:19 +11:00
parent c07138e6f6
commit c22f090a2f
2 changed files with 31 additions and 12 deletions
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4
ChangeLog
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@ -21,6 +21,10 @@
- jmc@cvs.openbsd.org 2009/08/13 13:39:54
[sftp.1 sftp.c]
sync synopsis and usage();
- djm@cvs.openbsd.org 2009/08/14 18:17:49
[sftp-client.c]
make the "get_handle: ..." error messages vaguely useful by allowing
callers to specify their own error message strings.
20091002
- (djm) [Makefile.in] Mention readconf.o in ssh-keysign's make deps.

39
sftp-client.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: sftp-client.c,v 1.87 2009/06/22 05:39:28 dtucker Exp $ */
/* $OpenBSD: sftp-client.c,v 1.88 2009/08/14 18:17:49 djm Exp $ */
/*
* Copyright (c) 2001-2004 Damien Miller <djm@openbsd.org>
*
@ -74,6 +74,10 @@ struct sftp_conn {
u_int exts;
};
static char *
get_handle(int fd, u_int expected_id, u_int *len, const char *errfmt, ...)
__attribute__((format(printf, 4, 5)));
static void
send_msg(int fd, Buffer *m)
{
@ -179,11 +183,18 @@ get_status(int fd, u_int expected_id)
}
static char *
get_handle(int fd, u_int expected_id, u_int *len)
get_handle(int fd, u_int expected_id, u_int *len, const char *errfmt, ...)
{
Buffer msg;
u_int type, id;
char *handle;
char *handle, errmsg[256];
va_list args;
int status;
va_start(args, errfmt);
if (errfmt != NULL)
vsnprintf(errmsg, sizeof(errmsg), errfmt, args);
va_end(args);
buffer_init(&msg);
get_msg(fd, &msg);
@ -191,16 +202,17 @@ get_handle(int fd, u_int expected_id, u_int *len)
id = buffer_get_int(&msg);
if (id != expected_id)
fatal("ID mismatch (%u != %u)", id, expected_id);
fatal("%s: ID mismatch (%u != %u)",
errfmt == NULL ? __func__ : errmsg, id, expected_id);
if (type == SSH2_FXP_STATUS) {
int status = buffer_get_int(&msg);
error("Couldn't get handle: %s", fx2txt(status));
status = buffer_get_int(&msg);
if (errfmt != NULL)
error("%s: %s", errmsg, fx2txt(status));
buffer_free(&msg);
return(NULL);
} else if (type != SSH2_FXP_HANDLE)
fatal("Expected SSH2_FXP_HANDLE(%u) packet, got %u",
SSH2_FXP_HANDLE, type);
fatal("%s: Expected SSH2_FXP_HANDLE(%u) packet, got %u",
errfmt == NULL ? __func__ : errmsg, SSH2_FXP_HANDLE, type);
handle = buffer_get_string(&msg, len);
buffer_free(&msg);
@ -418,7 +430,8 @@ do_lsreaddir(struct sftp_conn *conn, char *path, int printflag,
buffer_clear(&msg);
handle = get_handle(conn->fd_in, id, &handle_len);
handle = get_handle(conn->fd_in, id, &handle_len,
"remote readdir(\"%s\")", path);
if (handle == NULL)
return(-1);
@ -951,7 +964,8 @@ do_download(struct sftp_conn *conn, char *remote_path, char *local_path,
send_msg(conn->fd_out, &msg);
debug3("Sent message SSH2_FXP_OPEN I:%u P:%s", id, remote_path);
handle = get_handle(conn->fd_in, id, &handle_len);
handle = get_handle(conn->fd_in, id, &handle_len,
"remote open(\"%s\")", remote_path);
if (handle == NULL) {
buffer_free(&msg);
return(-1);
@ -1195,7 +1209,8 @@ do_upload(struct sftp_conn *conn, char *local_path, char *remote_path,
buffer_clear(&msg);
handle = get_handle(conn->fd_in, id, &handle_len);
handle = get_handle(conn->fd_in, id, &handle_len,
"remote open(\"%s\")", remote_path);
if (handle == NULL) {
close(local_fd);
buffer_free(&msg);