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Disabling inheritance of parent handles in sftp.exe. Code cleanup in sftp-server.exe

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This commit is contained in:
Manoj Ampalam 2016-03-25 12:23:55 -07:00
parent beb8dc53c5
commit 472992786d
3 changed files with 19 additions and 59 deletions
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4
sftp-common.c
View File

@ -26,10 +26,6 @@
#include "includes.h"
/*
* We support only client side kerberos on Windows.
*/
#ifdef WIN32_FIXME
void strmode(mode_t mode, char *p);
void strmode_from_attrib(unsigned attrib, char *p);

71
sftp-server.c
View File

@ -17,19 +17,6 @@
#include "includes.h"
/*
* We support only client side kerberos on Windows.
*/
#ifdef WIN32_FIXME
#undef GSSAPI
#undef KRB5
#define true 1
#define false 0
#endif
#include <sys/param.h> /* MIN */
#include <sys/types.h>
#include <sys/stat.h>
@ -232,9 +219,7 @@ errno_to_portable(int unixerrno)
case ENOENT:
case ENOTDIR:
case EBADF:
#ifndef WIN32_FIXME
case ELOOP:
#endif
ret = SSH2_FX_NO_SUCH_FILE;
break;
case EPERM:
@ -726,12 +711,8 @@ process_open(u_int32_t id)
char *name;
int r, handle, fd, flags, mode, status = SSH2_FX_FAILURE;
// #ifdef WIN32_FIXME
// name = buffer_get_string_local8_from_utf8(&iqueue, NULL);
//#else
if ((r = sshbuf_get_cstring(iqueue, &name, NULL)) != 0 )
fatal("%s: buffer error: %s", __func__, ssh_err(r));
//#endif /* WIN32_FIXME */
if ((r = sshbuf_get_u32(iqueue, &pflags)) != 0 || /* portable flags */
(r = decode_attrib(iqueue, &a)) != 0)
@ -740,14 +721,14 @@ process_open(u_int32_t id)
debug3("request %u: open flags %d", id, pflags);
flags = flags_from_portable(pflags);
mode = (a.flags & SSH2_FILEXFER_ATTR_PERMISSIONS) ? a.perm : 0666;
#ifdef WIN32_FIXME
#ifdef WIN32_FIXME
char resolvedname[MAXPATHLEN];
if (realpathWin32i(name, resolvedname))
{
free(name);
name = strdup(resolvedname);
}
#endif
#endif
logit("open \"%s\" flags %s mode 0%o",
name, string_from_portable(pflags), mode);
@ -882,27 +863,26 @@ process_do_stat(u_int32_t id, int do_lstat)
char *name;
int r, status = SSH2_FX_FAILURE;
#ifdef WIN32_FIXME
char resolvedname[MAXPATHLEN];
#endif
#ifdef WIN32_FIXME
char resolvedname[MAXPATHLEN];
#endif
#ifdef WIN32_FIXME
#ifdef WIN32_FIXME
if ((r = sshbuf_get_cstring(iqueue, &name, NULL)) != 0)
if ((r = sshbuf_get_cstring(iqueue, &name, NULL)) != 0)
fatal("%s: buffer error: %s", __func__, ssh_err(r));
if (realpathWin32i(name, resolvedname))
{
free(name);
name = strdup(resolvedname);
}
if (realpathWin32i(name, resolvedname)) {
free(name);
name = strdup(resolvedname);
}
debug3("request %u: %sstat", id, do_lstat ? "l" : "");
verbose("%sstat name \"%s\"", do_lstat ? "l" : "", name);
r = stat(name, &st);
debug3("request %u: %sstat", id, do_lstat ? "l" : "");
verbose("%sstat name \"%s\"", do_lstat ? "l" : "", name);
r = stat(name, &st);
#else
#else
@ -1957,21 +1937,6 @@ sftp_server_usage(void)
exit(1);
}
#ifdef WIN32_FIXME
DWORD select_in_handle( HANDLE in_handle)
{
//DWORD rc = WaitForSingleObject (in_handle, 0);
//if (rc == WAIT_OBJECT_0)
// return 1;
//else
// return 0;
DWORD bytesavail = 0 ;
PeekNamedPipe(in_handle, NULL,0, NULL, &bytesavail, NULL );
return bytesavail;
}
#endif
int
sftp_server_main(int argc, char **argv, struct passwd *user_pw)
{
@ -2113,14 +2078,10 @@ sftp_server_main(int argc, char **argv, struct passwd *user_pw)
fatal("%s: sshbuf_new failed", __func__);
if ((oqueue = sshbuf_new()) == NULL)
fatal("%s: sshbuf_new failed", __func__);
#if(0)//def WIN32_FIXME
//rset = (fd_set *)xmalloc(sizeof(fd_set));
//wset = (fd_set *)xmalloc(sizeof(fd_set));
#else
set_size = howmany(max + 1, NFDBITS) * sizeof(fd_mask);
rset = xmalloc(set_size);
wset = xmalloc(set_size);
#endif
if (homedir != NULL) {

3
sftp.c
View File

@ -2226,6 +2226,9 @@ connect_to_server(char *path, char **args, int *in, int *out)
strncat(fullCmd, args[i], MAX_PATH);
}
fcntl(pout[1], F_SETFD, FD_CLOEXEC);
fcntl(pin[0], F_SETFD, FD_CLOEXEC);
/*
* Assign sockets to StartupInfo.
*/