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Implement anti-replay protection for XDM-AUTHORIZATION-1, as required by
[u/mdw/putty]
/
windows
/
winsftp.c
diff --git
a/windows/winsftp.c
b/windows/winsftp.c
index
d9ea3ca
..
82bea80
100644
(file)
--- a/
windows/winsftp.c
+++ b/
windows/winsftp.c
@@
-445,6
+445,17
@@
void finish_wildcard_matching(WildcardMatcher *dir)
sfree(dir);
}
sfree(dir);
}
+int vet_filename(char *name)
+{
+ if (strchr(name, '/') || strchr(name, '\\') || strchr(name, ':'))
+ return FALSE;
+
+ if (!name[strspn(name, ".")]) /* entirely composed of dots */
+ return FALSE;
+
+ return TRUE;
+}
+
int create_directory(char *name)
{
return CreateDirectory(name, NULL) != 0;
int create_directory(char *name)
{
return CreateDirectory(name, NULL) != 0;
@@
-462,7
+473,7
@@
char *dir_file_cat(char *dir, char *file)
/*
* Be told what socket we're supposed to be using.
*/
/*
* Be told what socket we're supposed to be using.
*/
-static SOCKET sftp_ssh_socket;
+static SOCKET sftp_ssh_socket
= INVALID_SOCKET
;
static HANDLE netevent = NULL;
char *do_select(SOCKET skt, int startup)
{
static HANDLE netevent = NULL;
char *do_select(SOCKET skt, int startup)
{
@@
-676,7
+687,7
@@
static DWORD WINAPI command_read_thread(void *param)
return 0;
}
return 0;
}
-char *ssh_sftp_get_cmdline(char *prompt)
+char *ssh_sftp_get_cmdline(char *prompt
, int no_fds_ok
)
{
int ret;
struct command_read_ctx actx, *ctx = &actx;
{
int ret;
struct command_read_ctx actx, *ctx = &actx;
@@
-685,7
+696,8
@@
char *ssh_sftp_get_cmdline(char *prompt)
fputs(prompt, stdout);
fflush(stdout);
fputs(prompt, stdout);
fflush(stdout);
- if (sftp_ssh_socket == INVALID_SOCKET || p_WSAEventSelect == NULL) {
+ if ((sftp_ssh_socket == INVALID_SOCKET && no_fds_ok) ||
+ p_WSAEventSelect == NULL) {
return fgetline(stdin); /* very simple */
}
return fgetline(stdin); /* very simple */
}