/* sftpclient.c
*
* Copyright (C) 2014-2020 wolfSSL Inc.
*
* This file is part of wolfSSH.
*
* wolfSSH is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* wolfSSH is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with wolfSSH. If not, see .
*/
#define WOLFSSH_TEST_CLIENT
#include
#include
#include
#include
#include
#include
#include "examples/sftpclient/sftpclient.h"
#ifndef USE_WINDOWS_API
#include
#endif
#ifdef WOLFSSH_SFTP
/* static so that signal handler can access and interrupt get/put */
static WOLFSSH* ssh = NULL;
static char* workingDir;
#define fin stdin
#define fout stdout
#define MAX_CMD_SZ 7
#define AUTOPILOT_OFF 0
#define AUTOPILOT_GET 1
#define AUTOPILOT_PUT 2
static void err_msg(const char* s)
{
printf("%s\n", s);
}
#ifndef WOLFSSH_NO_TIMESTAMP
#include
static char currentFile[WOLFSSH_MAX_FILENAME+1] = "";
static word32 startTime;
#define TIMEOUT_VALUE 120
word32 current_time(int);
/* return number of seconds*/
word32 current_time(int reset)
{
struct timeval tv;
(void)reset;
gettimeofday(&tv, 0);
return (word32)tv.tv_sec;
}
#endif
static void myStatusCb(WOLFSSH* sshIn, word32* bytes, char* name)
{
word32 currentTime;
char buf[80];
word64 longBytes = ((word64)bytes[1] << 32) | bytes[0];
#ifndef WOLFSSH_NO_TIMESTAMP
if (WSTRNCMP(currentFile, name, WSTRLEN(name)) != 0) {
startTime = current_time(1);
WMEMSET(currentFile, 0, WOLFSSH_MAX_FILENAME);
WSTRNCPY(currentFile, name, WOLFSSH_MAX_FILENAME);
}
currentTime = current_time(0) - startTime;
WSNPRINTF(buf, sizeof(buf), "Processed %8llu\t bytes in %d seconds\r",
(unsigned long long)longBytes, currentTime);
if (currentTime > TIMEOUT_VALUE) {
WSNPRINTF(buf, sizeof(buf), "\nProcess timed out at %d seconds, "
"stopping\r", currentTime);
WMEMSET(currentFile, 0, WOLFSSH_MAX_FILENAME);
wolfSSH_SFTP_Interrupt(ssh);
}
#else
WSNPRINTF(buf, sizeof(buf), "Processed %8llu\t bytes \r",
(unsigned long long)longBytes);
(void)currentTime;
#endif
WFPUTS(buf, fout);
(void)name;
(void)sshIn;
}
static int NonBlockSSH_connect(void)
{
int ret;
int error;
SOCKET_T sockfd;
int select_ret = 0;
ret = wolfSSH_SFTP_connect(ssh);
error = wolfSSH_get_error(ssh);
sockfd = (SOCKET_T)wolfSSH_get_fd(ssh);
while (ret != WS_SUCCESS &&
(error == WS_WANT_READ || error == WS_WANT_WRITE))
{
if (error == WS_WANT_READ)
printf("... client would read block\n");
else if (error == WS_WANT_WRITE)
printf("... client would write block\n");
select_ret = tcp_select(sockfd, 1);
if (select_ret == WS_SELECT_RECV_READY ||
select_ret == WS_SELECT_ERROR_READY ||
error == WS_WANT_WRITE)
{
ret = wolfSSH_SFTP_connect(ssh);
error = wolfSSH_get_error(ssh);
}
else if (select_ret == WS_SELECT_TIMEOUT)
error = WS_WANT_READ;
else
error = WS_FATAL_ERROR;
}
return ret;
}
#ifndef WS_NO_SIGNAL
/* for command reget and reput to handle saving offset after interrupt during
* get and put */
#include
static byte interrupt = 0;
static void sig_handler(const int sig)
{
(void)sig;
interrupt = 1;
wolfSSH_SFTP_Interrupt(ssh);
}
#endif /* WS_NO_SIGNAL */
/* cleans up absolute path */
static void clean_path(char* path)
{
int i;
long sz = (long)WSTRLEN(path);
byte found;
/* remove any double '/' chars */
for (i = 0; i < sz; i++) {
if (path[i] == '/' && path[i+1] == '/') {
WMEMMOVE(path + i, path + i + 1, sz - i);
sz -= 1;
i--;
}
}
/* remove any trailing '/' chars */
sz = (long)WSTRLEN(path);
for (i = (int)sz - 1; i > 0; i--) {
if (path[i] == '/') {
path[i] = '\0';
}
else {
break;
}
}
if (path != NULL) {
/* go through path until no cases are found */
do {
int prIdx = 0; /* begin of cut */
int enIdx = 0; /* end of cut */
sz = (long)WSTRLEN(path);
found = 0;
for (i = 0; i < sz; i++) {
if (path[i] == '/') {
int z;
/* if next two chars are .. then delete */
if (path[i+1] == '.' && path[i+2] == '.') {
enIdx = i + 3;
/* start at one char before / and retrace path */
for (z = i - 1; z > 0; z--) {
if (path[z] == '/') {
prIdx = z;
break;
}
}
/* cut out .. and previous */
WMEMMOVE(path + prIdx, path + enIdx, sz - enIdx);
path[sz - (enIdx - prIdx)] = '\0';
if (enIdx == sz) {
path[prIdx] = '\0';
}
/* case of at / */
if (WSTRLEN(path) == 0) {
path[0] = '/';
path[1] = '\0';
}
found = 1;
break;
}
}
}
} while (found);
}
}
#define WS_MAX_EXAMPLE_RW 1024
static int SetEcho(int on)
{
#ifndef USE_WINDOWS_API
static int echoInit = 0;
static struct termios originalTerm;
if (!echoInit) {
if (tcgetattr(STDIN_FILENO, &originalTerm) != 0) {
printf("Couldn't get the original terminal settings.\n");
return -1;
}
echoInit = 1;
}
if (on) {
if (tcsetattr(STDIN_FILENO, TCSANOW, &originalTerm) != 0) {
printf("Couldn't restore the terminal settings.\n");
return -1;
}
}
else {
struct termios newTerm;
memcpy(&newTerm, &originalTerm, sizeof(struct termios));
newTerm.c_lflag &= ~ECHO;
newTerm.c_lflag |= (ICANON | ECHONL);
if (tcsetattr(STDIN_FILENO, TCSANOW, &newTerm) != 0) {
printf("Couldn't turn off echo.\n");
return -1;
}
}
#else
static int echoInit = 0;
static DWORD originalTerm;
HANDLE stdinHandle = GetStdHandle(STD_INPUT_HANDLE);
if (!echoInit) {
if (GetConsoleMode(stdinHandle, &originalTerm) == 0) {
printf("Couldn't get the original terminal settings.\n");
return -1;
}
echoInit = 1;
}
if (on) {
if (SetConsoleMode(stdinHandle, originalTerm) == 0) {
printf("Couldn't restore the terminal settings.\n");
return -1;
}
}
else {
DWORD newTerm = originalTerm;
newTerm &= ~ENABLE_ECHO_INPUT;
if (SetConsoleMode(stdinHandle, newTerm) == 0) {
printf("Couldn't turn off echo.\n");
return -1;
}
}
#endif
return 0;
}
static void ShowCommands(void)
{
printf("\n\nCommands :\n");
printf("\tcd change directory\n");
printf("\tchmod change mode\n");
printf("\tget pulls file(s) from server\n");
printf("\tls list current directory\n");
printf("\tmkdir creates new directory on server\n");
printf("\tput push file(s) to server\n");
printf("\tpwd list current path\n");
printf("\tquit exit\n");
printf("\trename renames remote file\n");
printf("\treget resume pulling file\n");
printf("\treput resume pushing file\n");
printf("\t interrupt get/put cmd\n");
}
static void ShowUsage(void)
{
printf("client %s\n", LIBWOLFSSH_VERSION_STRING);
printf(" -? display this help and exit\n");
printf(" -h host to connect to, default %s\n", wolfSshIp);
printf(" -p port to connect on, default %d\n", wolfSshPort);
printf(" -u username to authenticate as (REQUIRED)\n");
printf(" -P password for username, prompted if omitted\n");
printf(" -d set the default local path\n");
printf(" -N use non blocking sockets\n");
printf(" -e use ECC user authentication\n");
/*printf(" -E use ECC server authentication\n");*/
printf(" -l local filename\n");
printf(" -r remote filename\n");
printf(" -g put local filename as remote filename\n");
printf(" -G get remote filename as local filename\n");
ShowCommands();
}
static byte userPassword[256];
static byte userPublicKeyType[32];
static byte userPublicKey[512];
static word32 userPublicKeySz;
static const byte* userPrivateKey;
static word32 userPrivateKeySz;
static const char hanselPublicRsa[] =
"AAAAB3NzaC1yc2EAAAADAQABAAABAQC9P3ZFowOsONXHD5MwWiCciXytBRZGho"
"MNiisWSgUs5HdHcACuHYPi2W6Z1PBFmBWT9odOrGRjoZXJfDDoPi+j8SSfDGsc/hsCmc3G"
"p2yEhUZUEkDhtOXyqjns1ickC9Gh4u80aSVtwHRnJZh9xPhSq5tLOhId4eP61s+a5pwjTj"
"nEhBaIPUJO2C/M0pFnnbZxKgJlX7t1Doy7h5eXxviymOIvaCZKU+x5OopfzM/wFkey0EPW"
"NmzI5y/+pzU5afsdeEWdiQDIQc80H6Pz8fsoFPvYSG+s4/wz0duu7yeeV1Ypoho65Zr+pE"
"nIf7dO0B8EblgWt+ud+JI8wrAhfE4x";
static const byte hanselPrivateRsa[] = {
0x30, 0x82, 0x04, 0xa3, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00,
0xbd, 0x3f, 0x76, 0x45, 0xa3, 0x03, 0xac, 0x38, 0xd5, 0xc7, 0x0f, 0x93,
0x30, 0x5a, 0x20, 0x9c, 0x89, 0x7c, 0xad, 0x05, 0x16, 0x46, 0x86, 0x83,
0x0d, 0x8a, 0x2b, 0x16, 0x4a, 0x05, 0x2c, 0xe4, 0x77, 0x47, 0x70, 0x00,
0xae, 0x1d, 0x83, 0xe2, 0xd9, 0x6e, 0x99, 0xd4, 0xf0, 0x45, 0x98, 0x15,
0x93, 0xf6, 0x87, 0x4e, 0xac, 0x64, 0x63, 0xa1, 0x95, 0xc9, 0x7c, 0x30,
0xe8, 0x3e, 0x2f, 0xa3, 0xf1, 0x24, 0x9f, 0x0c, 0x6b, 0x1c, 0xfe, 0x1b,
0x02, 0x99, 0xcd, 0xc6, 0xa7, 0x6c, 0x84, 0x85, 0x46, 0x54, 0x12, 0x40,
0xe1, 0xb4, 0xe5, 0xf2, 0xaa, 0x39, 0xec, 0xd6, 0x27, 0x24, 0x0b, 0xd1,
0xa1, 0xe2, 0xef, 0x34, 0x69, 0x25, 0x6d, 0xc0, 0x74, 0x67, 0x25, 0x98,
0x7d, 0xc4, 0xf8, 0x52, 0xab, 0x9b, 0x4b, 0x3a, 0x12, 0x1d, 0xe1, 0xe3,
0xfa, 0xd6, 0xcf, 0x9a, 0xe6, 0x9c, 0x23, 0x4e, 0x39, 0xc4, 0x84, 0x16,
0x88, 0x3d, 0x42, 0x4e, 0xd8, 0x2f, 0xcc, 0xd2, 0x91, 0x67, 0x9d, 0xb6,
0x71, 0x2a, 0x02, 0x65, 0x5f, 0xbb, 0x75, 0x0e, 0x8c, 0xbb, 0x87, 0x97,
0x97, 0xc6, 0xf8, 0xb2, 0x98, 0xe2, 0x2f, 0x68, 0x26, 0x4a, 0x53, 0xec,
0x79, 0x3a, 0x8a, 0x5f, 0xcc, 0xcf, 0xf0, 0x16, 0x47, 0xb2, 0xd0, 0x43,
0xd6, 0x36, 0x6c, 0xc8, 0xe7, 0x2f, 0xfe, 0xa7, 0x35, 0x39, 0x69, 0xfb,
0x1d, 0x78, 0x45, 0x9d, 0x89, 0x00, 0xc8, 0x41, 0xcf, 0x34, 0x1f, 0xa3,
0xf3, 0xf1, 0xfb, 0x28, 0x14, 0xfb, 0xd8, 0x48, 0x6f, 0xac, 0xe3, 0xfc,
0x33, 0xd1, 0xdb, 0xae, 0xef, 0x27, 0x9e, 0x57, 0x56, 0x29, 0xa2, 0x1a,
0x3a, 0xe5, 0x9a, 0xfe, 0xa4, 0x49, 0xc8, 0x7f, 0xb7, 0x4e, 0xd0, 0x1f,
0x04, 0x6e, 0x58, 0x16, 0xb7, 0xeb, 0x9d, 0xf8, 0x92, 0x3c, 0xc2, 0xb0,
0x21, 0x7c, 0x4e, 0x31, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01,
0x01, 0x00, 0x8d, 0xa4, 0x61, 0x06, 0x2f, 0xc3, 0x40, 0xf4, 0x6c, 0xf4,
0x87, 0x30, 0xb8, 0x00, 0xcc, 0xe5, 0xbc, 0x75, 0x87, 0x1e, 0x06, 0x95,
0x14, 0x7a, 0x23, 0xf9, 0x24, 0xd4, 0x92, 0xe4, 0x1a, 0xbc, 0x88, 0x95,
0xfc, 0x3b, 0x56, 0x16, 0x1b, 0x2e, 0xff, 0x64, 0x2b, 0x58, 0xd7, 0xd8,
0x8e, 0xc2, 0x9f, 0xb2, 0xe5, 0x84, 0xb9, 0xbc, 0x8d, 0x61, 0x54, 0x35,
0xb0, 0x70, 0xfe, 0x72, 0x04, 0xc0, 0x24, 0x6d, 0x2f, 0x69, 0x61, 0x06,
0x1b, 0x1d, 0xe6, 0x2d, 0x6d, 0x79, 0x60, 0xb7, 0xf4, 0xdb, 0xb7, 0x4e,
0x97, 0x36, 0xde, 0x77, 0xc1, 0x9f, 0x85, 0x4e, 0xc3, 0x77, 0x69, 0x66,
0x2e, 0x3e, 0x61, 0x76, 0xf3, 0x67, 0xfb, 0xc6, 0x9a, 0xc5, 0x6f, 0x99,
0xff, 0xe6, 0x89, 0x43, 0x92, 0x44, 0x75, 0xd2, 0x4e, 0x54, 0x91, 0x58,
0xb2, 0x48, 0x2a, 0xe6, 0xfa, 0x0d, 0x4a, 0xca, 0xd4, 0x14, 0x9e, 0xf6,
0x27, 0x67, 0xb7, 0x25, 0x7a, 0x43, 0xbb, 0x2b, 0x67, 0xd1, 0xfe, 0xd1,
0x68, 0x23, 0x06, 0x30, 0x7c, 0xbf, 0x60, 0x49, 0xde, 0xcc, 0x7e, 0x26,
0x5a, 0x3b, 0xfe, 0xa6, 0xa6, 0xe7, 0xa8, 0xdd, 0xac, 0xb9, 0xaf, 0x82,
0x9a, 0x3a, 0x41, 0x7e, 0x61, 0x21, 0x37, 0xa3, 0x08, 0xe4, 0xc4, 0xbc,
0x11, 0xf5, 0x3b, 0x8e, 0x4d, 0x51, 0xf3, 0xbd, 0xda, 0xba, 0xb2, 0xc5,
0xee, 0xfb, 0xcf, 0xdf, 0x83, 0xa1, 0x82, 0x01, 0xe1, 0x51, 0x9d, 0x07,
0x5a, 0x5d, 0xd8, 0xc7, 0x5b, 0x3f, 0x97, 0x13, 0x6a, 0x4d, 0x1e, 0x8d,
0x39, 0xac, 0x40, 0x95, 0x82, 0x6c, 0xa2, 0xa1, 0xcc, 0x8a, 0x9b, 0x21,
0x32, 0x3a, 0x58, 0xcc, 0xe7, 0x2d, 0x1a, 0x79, 0xa4, 0x31, 0x50, 0xb1,
0x4b, 0x76, 0x23, 0x1b, 0xb3, 0x40, 0x3d, 0x3d, 0x72, 0x72, 0x32, 0xec,
0x5f, 0x38, 0xb5, 0x8d, 0xb2, 0x8d, 0x02, 0x81, 0x81, 0x00, 0xed, 0x5a,
0x7e, 0x8e, 0xa1, 0x62, 0x7d, 0x26, 0x5c, 0x78, 0xc4, 0x87, 0x71, 0xc9,
0x41, 0x57, 0x77, 0x94, 0x93, 0x93, 0x26, 0x78, 0xc8, 0xa3, 0x15, 0xbd,
0x59, 0xcb, 0x1b, 0xb4, 0xb2, 0x6b, 0x0f, 0xe7, 0x80, 0xf2, 0xfa, 0xfc,
0x8e, 0x32, 0xa9, 0x1b, 0x1e, 0x7f, 0xe1, 0x26, 0xef, 0x00, 0x25, 0xd8,
0xdd, 0xc9, 0x1a, 0x23, 0x00, 0x26, 0x3b, 0x46, 0x23, 0xc0, 0x50, 0xe7,
0xce, 0x62, 0xb2, 0x36, 0xb2, 0x98, 0x09, 0x16, 0x34, 0x18, 0x9e, 0x46,
0xbc, 0xaf, 0x2c, 0x28, 0x94, 0x2f, 0xe0, 0x5d, 0xc9, 0xb2, 0xc8, 0xfb,
0x5d, 0x13, 0xd5, 0x36, 0xaa, 0x15, 0x0f, 0x89, 0xa5, 0x16, 0x59, 0x5d,
0x22, 0x74, 0xa4, 0x47, 0x5d, 0xfa, 0xfb, 0x0c, 0x5e, 0x80, 0xbf, 0x0f,
0xc2, 0x9c, 0x95, 0x0f, 0xe7, 0xaa, 0x7f, 0x16, 0x1b, 0xd4, 0xdb, 0x38,
0x7d, 0x58, 0x2e, 0x57, 0x78, 0x2f, 0x02, 0x81, 0x81, 0x00, 0xcc, 0x1d,
0x7f, 0x74, 0x36, 0x6d, 0xb4, 0x92, 0x25, 0x62, 0xc5, 0x50, 0xb0, 0x5c,
0xa1, 0xda, 0xf3, 0xb2, 0xfd, 0x1e, 0x98, 0x0d, 0x8b, 0x05, 0x69, 0x60,
0x8e, 0x5e, 0xd2, 0x89, 0x90, 0x4a, 0x0d, 0x46, 0x7e, 0xe2, 0x54, 0x69,
0xae, 0x16, 0xe6, 0xcb, 0xd5, 0xbd, 0x7b, 0x30, 0x2b, 0x7b, 0x5c, 0xee,
0x93, 0x12, 0xcf, 0x63, 0x89, 0x9c, 0x3d, 0xc8, 0x2d, 0xe4, 0x7a, 0x61,
0x09, 0x5e, 0x80, 0xfb, 0x3c, 0x03, 0xb3, 0x73, 0xd6, 0x98, 0xd0, 0x84,
0x0c, 0x59, 0x9f, 0x4e, 0x80, 0xf3, 0x46, 0xed, 0x03, 0x9d, 0xd5, 0xdc,
0x8b, 0xe7, 0xb1, 0xe8, 0xaa, 0x57, 0xdc, 0xd1, 0x41, 0x55, 0x07, 0xc7,
0xdf, 0x67, 0x3c, 0x72, 0x78, 0xb0, 0x60, 0x8f, 0x85, 0xa1, 0x90, 0x99,
0x0c, 0xa5, 0x67, 0xab, 0xf0, 0xb6, 0x74, 0x90, 0x03, 0x55, 0x7b, 0x5e,
0xcc, 0xc5, 0xbf, 0xde, 0xa7, 0x9f, 0x02, 0x81, 0x80, 0x40, 0x81, 0x6e,
0x91, 0xae, 0xd4, 0x88, 0x74, 0xab, 0x7e, 0xfa, 0xd2, 0x60, 0x9f, 0x34,
0x8d, 0xe3, 0xe6, 0xd2, 0x30, 0x94, 0xad, 0x10, 0xc2, 0x19, 0xbf, 0x6b,
0x2e, 0xe2, 0xe9, 0xb9, 0xef, 0x94, 0xd3, 0xf2, 0xdc, 0x96, 0x4f, 0x9b,
0x09, 0xb3, 0xa1, 0xb6, 0x29, 0x44, 0xf4, 0x82, 0xd1, 0xc4, 0x77, 0x6a,
0xd7, 0x23, 0xae, 0x4d, 0x75, 0x16, 0x78, 0xda, 0x70, 0x82, 0xcc, 0x6c,
0xef, 0xaf, 0xc5, 0x63, 0xc6, 0x23, 0xfa, 0x0f, 0xd0, 0x7c, 0xfb, 0x76,
0x7e, 0x18, 0xff, 0x32, 0x3e, 0xcc, 0xb8, 0x50, 0x7f, 0xb1, 0x55, 0x77,
0x17, 0x53, 0xc3, 0xd6, 0x77, 0x80, 0xd0, 0x84, 0xb8, 0x4d, 0x33, 0x1d,
0x91, 0x1b, 0xb0, 0x75, 0x9f, 0x27, 0x29, 0x56, 0x69, 0xa1, 0x03, 0x54,
0x7d, 0x9f, 0x99, 0x41, 0xf9, 0xb9, 0x2e, 0x36, 0x04, 0x24, 0x4b, 0xf6,
0xec, 0xc7, 0x33, 0x68, 0x6b, 0x02, 0x81, 0x80, 0x60, 0x35, 0xcb, 0x3c,
0xd0, 0xe6, 0xf7, 0x05, 0x28, 0x20, 0x1d, 0x57, 0x82, 0x39, 0xb7, 0x85,
0x07, 0xf7, 0xa7, 0x3d, 0xc3, 0x78, 0x26, 0xbe, 0x3f, 0x44, 0x66, 0xf7,
0x25, 0x0f, 0xf8, 0x76, 0x1f, 0x39, 0xca, 0x57, 0x0e, 0x68, 0xdd, 0xc9,
0x27, 0xb2, 0x8e, 0xa6, 0x08, 0xa9, 0xd4, 0xe5, 0x0a, 0x11, 0xde, 0x3b,
0x30, 0x8b, 0xff, 0x72, 0x28, 0xe0, 0xf1, 0x58, 0xcf, 0xa2, 0x6b, 0x93,
0x23, 0x02, 0xc8, 0xf0, 0x09, 0xa7, 0x21, 0x50, 0xd8, 0x80, 0x55, 0x7d,
0xed, 0x0c, 0x48, 0xd5, 0xe2, 0xe9, 0x97, 0x19, 0xcf, 0x93, 0x6c, 0x52,
0xa2, 0xd6, 0x43, 0x6c, 0xb4, 0xc5, 0xe1, 0xa0, 0x9d, 0xd1, 0x45, 0x69,
0x58, 0xe1, 0xb0, 0x27, 0x9a, 0xec, 0x2b, 0x95, 0xd3, 0x1d, 0x81, 0x0b,
0x7a, 0x09, 0x5e, 0xa5, 0xf1, 0xdd, 0x6b, 0xe4, 0xe0, 0x08, 0xf8, 0x46,
0x81, 0xc1, 0x06, 0x8b, 0x02, 0x81, 0x80, 0x00, 0xf6, 0xf2, 0xeb, 0x25,
0xba, 0x78, 0x04, 0xad, 0x0e, 0x0d, 0x2e, 0xa7, 0x69, 0xd6, 0x57, 0xe6,
0x36, 0x32, 0x50, 0xd2, 0xf2, 0xeb, 0xad, 0x31, 0x46, 0x65, 0xc0, 0x07,
0x97, 0x83, 0x6c, 0x66, 0x27, 0x3e, 0x94, 0x2c, 0x05, 0x01, 0x5f, 0x5c,
0xe0, 0x31, 0x30, 0xec, 0x61, 0xd2, 0x74, 0x35, 0xb7, 0x9f, 0x38, 0xe7,
0x8e, 0x67, 0xb1, 0x50, 0x08, 0x68, 0xce, 0xcf, 0xd8, 0xee, 0x88, 0xfd,
0x5d, 0xc4, 0xcd, 0xe2, 0x86, 0x3d, 0x4a, 0x0e, 0x04, 0x7f, 0xee, 0x8a,
0xe8, 0x9b, 0x16, 0xa1, 0xfc, 0x09, 0x82, 0xe2, 0x62, 0x03, 0x3c, 0xe8,
0x25, 0x7f, 0x3c, 0x9a, 0xaa, 0x83, 0xf8, 0xd8, 0x93, 0xd1, 0x54, 0xf9,
0xce, 0xb4, 0xfa, 0x35, 0x36, 0xcc, 0x18, 0x54, 0xaa, 0xf2, 0x90, 0xb7,
0x7c, 0x97, 0x0b, 0x27, 0x2f, 0xae, 0xfc, 0xc3, 0x93, 0xaf, 0x1a, 0x75,
0xec, 0x18, 0xdb
};
static const unsigned int hanselPrivateRsaSz = 1191;
static const char hanselPublicEcc[] =
"AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBNkI5JTP6D0lF42tbx"
"X19cE87hztUS6FSDoGvPfiU0CgeNSbI+aFdKIzTP5CQEJSvm25qUzgDtH7oyaQROUnNvk=";
static const byte hanselPrivateEcc[] = {
0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x03, 0x6e, 0x17, 0xd3, 0xb9,
0xb8, 0xab, 0xc8, 0xf9, 0x1f, 0xf1, 0x2d, 0x44, 0x4c, 0x3b, 0x12, 0xb1,
0xa4, 0x77, 0xd8, 0xed, 0x0e, 0x6a, 0xbe, 0x60, 0xc2, 0xf6, 0x8b, 0xe7,
0xd3, 0x87, 0x83, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d,
0x03, 0x01, 0x07, 0xa1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xd9, 0x08, 0xe4,
0x94, 0xcf, 0xe8, 0x3d, 0x25, 0x17, 0x8d, 0xad, 0x6f, 0x15, 0xf5, 0xf5,
0xc1, 0x3c, 0xee, 0x1c, 0xed, 0x51, 0x2e, 0x85, 0x48, 0x3a, 0x06, 0xbc,
0xf7, 0xe2, 0x53, 0x40, 0xa0, 0x78, 0xd4, 0x9b, 0x23, 0xe6, 0x85, 0x74,
0xa2, 0x33, 0x4c, 0xfe, 0x42, 0x40, 0x42, 0x52, 0xbe, 0x6d, 0xb9, 0xa9,
0x4c, 0xe0, 0x0e, 0xd1, 0xfb, 0xa3, 0x26, 0x90, 0x44, 0xe5, 0x27, 0x36,
0xf9
};
static const unsigned int hanselPrivateEccSz = 121;
static int wsUserAuth(byte authType,
WS_UserAuthData* authData,
void* ctx)
{
int ret = WOLFSSH_USERAUTH_INVALID_AUTHTYPE;
#ifdef DEBUG_WOLFSSH
/* inspect supported types from server */
printf("Server supports ");
if (authData->type & WOLFSSH_USERAUTH_PASSWORD) {
printf("password authentication");
}
if (authData->type & WOLFSSH_USERAUTH_PUBLICKEY) {
printf(" and public key authentication");
}
printf("\n");
printf("wolfSSH requesting to use type %d\n", authType);
#endif
/* We know hansel has a key, wait for request of public key */
if (authData->type & WOLFSSH_USERAUTH_PUBLICKEY &&
authData->username != NULL &&
authData->usernameSz > 0 &&
XSTRNCMP((char*)authData->username, "hansel",
authData->usernameSz) == 0) {
if (authType == WOLFSSH_USERAUTH_PASSWORD) {
printf("rejecting password type with hansel in favor of pub key\n");
return WOLFSSH_USERAUTH_FAILURE;
}
}
if (authType == WOLFSSH_USERAUTH_PASSWORD) {
const char* defaultPassword = (const char*)ctx;
word32 passwordSz;
ret = WOLFSSH_USERAUTH_SUCCESS;
if (defaultPassword != NULL) {
passwordSz = (word32)strlen(defaultPassword);
memcpy(userPassword, defaultPassword, passwordSz);
}
else {
printf("Password: ");
fflush(stdout);
SetEcho(0);
if (WFGETS((char*)userPassword, sizeof(userPassword),
stdin) == NULL) {
printf("Getting password failed.\n");
ret = WOLFSSH_USERAUTH_FAILURE;
}
else {
char* c = strpbrk((char*)userPassword, "\r\n");
if (c != NULL)
*c = '\0';
}
passwordSz = (word32)strlen((const char*)userPassword);
SetEcho(1);
#ifdef USE_WINDOWS_API
printf("\r\n");
#endif
}
if (ret == WOLFSSH_USERAUTH_SUCCESS) {
authData->sf.password.password = userPassword;
authData->sf.password.passwordSz = passwordSz;
}
}
else if (authType == WOLFSSH_USERAUTH_PUBLICKEY) {
WS_UserAuthData_PublicKey* pk = &authData->sf.publicKey;
/* we only have hansel's key loaded */
if (authData->username != NULL && authData->usernameSz > 0 &&
XSTRNCMP((char*)authData->username, "hansel",
authData->usernameSz) == 0) {
pk->publicKeyType = userPublicKeyType;
pk->publicKeyTypeSz = (word32)WSTRLEN((char*)userPublicKeyType);
pk->publicKey = userPublicKey;
pk->publicKeySz = userPublicKeySz;
pk->privateKey = userPrivateKey;
pk->privateKeySz = userPrivateKeySz;
ret = WOLFSSH_USERAUTH_SUCCESS;
}
}
return ret;
}
static int wsPublicKeyCheck(const byte* pubKey, word32 pubKeySz, void* ctx)
{
#ifdef DEBUG_WOLFSSH
printf("Sample public key check callback\n"
" public key = %p\n"
" public key size = %u\n"
" ctx = %s\n", pubKey, pubKeySz, (const char*)ctx);
#else
(void)pubKey;
(void)pubKeySz;
(void)ctx;
#endif
return 0;
}
/* returns 0 on success */
static INLINE int SFTP_FPUTS(func_args* args, const char* msg)
{
int ret;
if (args && args->sftp_cb)
ret = args->sftp_cb(msg, NULL, 0);
else
ret = WFPUTS(msg, fout);
return ret;
}
/* returns pointer on success, NULL on failure */
static INLINE char* SFTP_FGETS(func_args* args, char* msg, int msgSz)
{
char* ret = NULL;
WMEMSET(msg, 0, msgSz);
if (args && args->sftp_cb) {
if (args->sftp_cb(NULL, msg, msgSz) == 0)
ret = msg;
}
else
ret = WFGETS(msg, msgSz, fin);
return ret;
}
/* main loop for handling commands */
static int doCmds(func_args* args)
{
byte quit = 0;
int ret = WS_SUCCESS, err;
byte resume = 0;
int i;
do {
char msg[WOLFSSH_MAX_FILENAME * 2];
char* pt;
if (wolfSSH_get_error(ssh) == WS_SOCKET_ERROR_E) {
if (SFTP_FPUTS(args, "peer disconnected\n") < 0) {
err_msg("fputs error");
return -1;
}
return WS_SOCKET_ERROR_E;
}
if (SFTP_FPUTS(args, "wolfSSH sftp> ") < 0) {
err_msg("fputs error");
return -1;
}
fflush(stdout);
WMEMSET(msg, 0, sizeof(msg));
if (SFTP_FGETS(args, msg, sizeof(msg) - 1) == NULL) {
err_msg("fgets error");
return -1;
}
msg[WOLFSSH_MAX_FILENAME * 2 - 1] = '\0';
if ((pt = WSTRNSTR(msg, "mkdir", sizeof(msg))) != NULL) {
WS_SFTP_FILEATRB atrb;
int sz;
char* f = NULL;
pt += sizeof("mkdir");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
if (pt[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL)
return WS_MEMORY_E;
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
WSTRNCAT(f, "/", maxSz);
WSTRNCAT(f, pt, maxSz);
pt = f;
}
do {
err = WS_SUCCESS;
if ((ret = wolfSSH_SFTP_MKDIR(ssh, pt, &atrb)) != WS_SUCCESS) {
err = wolfSSH_get_error(ssh);
if (ret == WS_PERMISSIONS) {
if (SFTP_FPUTS(args, "Insufficient permissions\n") < 0) {
err_msg("fputs error");
return -1;
}
}
else if (err != WS_WANT_READ && err != WS_WANT_WRITE) {
if (SFTP_FPUTS(args, "Error writing directory\n") < 0) {
err_msg("fputs error");
return -1;
}
}
}
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "reget", MAX_CMD_SZ)) != NULL) {
resume = 1;
}
if ((pt = WSTRNSTR(msg, "get", MAX_CMD_SZ)) != NULL) {
int sz;
char* f = NULL;
char* to = NULL;
pt += sizeof("get");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
/* search for space delimiter */
to = pt;
for (i = 0; i < sz; i++) {
to++;
if (pt[i] == ' ') {
pt[i] = '\0';
break;
}
}
/* check if local file path listed */
if (WSTRLEN(to) <= 0) {
to = pt;
/* if local path not listed follow path till at the tail */
for (i = 0; i < sz; i++) {
if (pt[i] == '/') {
to = pt + i + 1;
}
}
}
if (pt[0] != '/') {
int maxSz = (int)(WSTRLEN(workingDir) + sz + 2);
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL) {
err_msg("Error malloc'ing");
return -1;
}
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, pt, maxSz);
pt = f;
}
{
char buf[WOLFSSH_MAX_FILENAME * 3];
if (resume) {
WSNPRINTF(buf, sizeof(buf), "resuming %s to %s\n", pt, to);
}
else {
WSNPRINTF(buf, sizeof(buf), "fetching %s to %s\n", pt, to);
}
if (SFTP_FPUTS(args, buf) < 0) {
err_msg("fputs error");
return -1;
}
}
do {
ret = wolfSSH_SFTP_Get(ssh, pt, to, resume, &myStatusCb);
if (ret != WS_SUCCESS) {
ret = wolfSSH_get_error(ssh);
}
} while (ret == WS_WANT_READ || ret == WS_WANT_WRITE);
if (ret != WS_SUCCESS) {
if (SFTP_FPUTS(args, "Error getting file\n") < 0) {
err_msg("fputs error");
return -1;
}
}
else {
if (SFTP_FPUTS(args, "\n") < 0) { /* new line after status output */
err_msg("fputs error");
return -1;
}
}
resume = 0;
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "reput", MAX_CMD_SZ)) != NULL) {
resume = 1;
}
if ((pt = WSTRNSTR(msg, "put", MAX_CMD_SZ)) != NULL) {
int sz;
char* f = NULL;
char* to = NULL;
pt += sizeof("put");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
to = pt;
for (i = 0; i < sz; i++) {
to++;
if (pt[i] == ' ') {
pt[i] = '\0';
break;
}
}
/* check if local file path listed */
if (WSTRLEN(to) <= 0) {
to = pt;
/* if local path not listed follow path till at the tail */
for (i = 0; i < sz; i++) {
if (pt[i] == '/') {
to = pt + i + 1;
}
}
}
if (to[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL) {
err_msg("Error malloc'ing");
return -1;
}
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, to, maxSz);
to = f;
}
{
char buf[WOLFSSH_MAX_FILENAME * 3];
if (resume) {
WSNPRINTF(buf, sizeof(buf), "resuming %s to %s\n", pt, to);
}
else {
WSNPRINTF(buf, sizeof(buf), "pushing %s to %s\n", pt, to);
}
if (SFTP_FPUTS(args, buf) < 0) {
err_msg("fputs error");
return -1;
}
}
do {
ret = wolfSSH_SFTP_Put(ssh, pt, to, resume, &myStatusCb);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (SFTP_FPUTS(args, "Error pushing file\n") < 0) {
err_msg("fputs error");
return -1;
}
}
else {
if (SFTP_FPUTS(args, "\n") < 0) { /* new line after status output */
err_msg("fputs error");
return -1;
}
}
resume = 0;
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "cd", MAX_CMD_SZ)) != NULL) {
WS_SFTP_FILEATRB atrb;
int sz;
char* f = NULL;
pt += sizeof("cd");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
if (pt[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL) {
err_msg("Error malloc'ing");
return -1;
}
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, pt, maxSz);
pt = f;
}
/* check directory is valid */
do {
ret = wolfSSH_SFTP_STAT(ssh, pt, &atrb);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (SFTP_FPUTS(args, "Error changing directory\n") < 0) {
err_msg("fputs error");
return -1;
}
}
if (ret == WS_SUCCESS) {
sz = (int)WSTRLEN(pt);
WFREE(workingDir, NULL, DYNAMIC_TYPE_TMP_BUFFER);
workingDir = (char*)WMALLOC(sz + 1, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (workingDir == NULL) {
err_msg("Error malloc'ing");
return -1;
}
WMEMCPY(workingDir, pt, sz);
workingDir[sz] = '\0';
clean_path(workingDir);
}
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "chmod", MAX_CMD_SZ)) != NULL) {
int sz;
char* f = NULL;
char mode[WOLFSSH_MAX_OCTET_LEN];
pt += sizeof("chmod");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
/* advance pointer to first location of non space character */
for (i = 0; i < sz && pt[0] == ' '; i++, pt++);
sz = (int)WSTRLEN(pt);
/* get mode */
sz = (sz < WOLFSSH_MAX_OCTET_LEN - 1)? sz :
WOLFSSH_MAX_OCTET_LEN -1;
WMEMCPY(mode, pt, sz);
mode[WOLFSSH_MAX_OCTET_LEN - 1] = '\0';
for (i = 0; i < sz; i++) {
if (mode[i] == ' ') {
mode[i] = '\0';
break;
}
}
if (i == 0) {
printf("error with getting mode\r\n");
continue;
}
pt += (int)WSTRLEN(mode);
sz = (int)WSTRLEN(pt);
for (i = 0; i < sz && pt[0] == ' '; i++, pt++);
if (pt[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL) {
err_msg("Error malloc'ing");
return -1;
}
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, pt, maxSz);
pt = f;
}
/* update permissions */
do {
ret = wolfSSH_SFTP_CHMOD(ssh, pt, mode);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (SFTP_FPUTS(args, "Unable to change permissions of ") < 0) {
err_msg("fputs error");
return -1;
}
if (SFTP_FPUTS(args, pt) < 0) {
err_msg("fputs error");
return -1;
}
if (SFTP_FPUTS(args, "\n") < 0) {
err_msg("fputs error");
return -1;
}
}
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "rmdir", MAX_CMD_SZ)) != NULL) {
int sz;
char* f = NULL;
pt += sizeof("rmdir");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
if (pt[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL) {
err_msg("Error malloc'ing");
return -1;
}
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, pt, maxSz);
pt = f;
}
do {
ret = wolfSSH_SFTP_RMDIR(ssh, pt);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (ret == WS_PERMISSIONS) {
if (SFTP_FPUTS(args, "Insufficient permissions\n") < 0) {
err_msg("fputs error");
return -1;
}
}
else {
if (SFTP_FPUTS(args, "Error writing directory\n") < 0) {
err_msg("fputs error");
return -1;
}
}
}
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "rm", MAX_CMD_SZ)) != NULL) {
int sz;
char* f = NULL;
pt += sizeof("rm");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
if (pt[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, pt, maxSz);
pt = f;
}
do {
ret = wolfSSH_SFTP_Remove(ssh, pt);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (ret == WS_PERMISSIONS) {
if (SFTP_FPUTS(args, "Insufficient permissions\n") < 0) {
err_msg("fputs error");
return -1;
}
}
else {
if (SFTP_FPUTS(args, "Error writing directory\n") < 0) {
err_msg("fputs error");
return -1;
}
}
}
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "rename", MAX_CMD_SZ)) != NULL) {
int sz;
char* f = NULL;
char* fTo = NULL;
char* to;
int toSz;
pt += sizeof("rename");
sz = (int)WSTRLEN(pt);
if (pt[sz - 1] == '\n') pt[sz - 1] = '\0';
/* search for space delimiter */
to = pt;
for (i = 0; i < sz; i++) {
to++;
if (pt[i] == ' ') {
pt[i] = '\0';
break;
}
}
if ((toSz = (int)WSTRLEN(to)) <= 0 || i == sz) {
printf("bad usage, expected input\n");
continue;
}
sz = (int)WSTRLEN(pt);
if (pt[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + sz + 2;
f = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (f == NULL) {
err_msg("Error malloc'ing");
return -1;
}
f[0] = '\0';
WSTRNCAT(f, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(f, "/", maxSz);
}
WSTRNCAT(f, pt, maxSz);
pt = f;
}
if (to[0] != '/') {
int maxSz = (int)WSTRLEN(workingDir) + toSz + 2;
fTo = (char*)WMALLOC(maxSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
fTo[0] = '\0';
WSTRNCAT(fTo, workingDir, maxSz);
if (WSTRLEN(workingDir) > 1) {
WSTRNCAT(fTo, "/", maxSz);
}
WSTRNCAT(fTo, to, maxSz);
to = fTo;
}
do {
ret = wolfSSH_SFTP_Rename(ssh, pt, to);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (SFTP_FPUTS(args, "Error with rename\n") < 0) {
err_msg("fputs error");
return -1;
}
}
WFREE(f, NULL, DYNAMIC_TYPE_TMP_BUFFER);
WFREE(fTo, NULL, DYNAMIC_TYPE_TMP_BUFFER);
continue;
}
if ((pt = WSTRNSTR(msg, "ls", MAX_CMD_SZ)) != NULL) {
WS_SFTPNAME* tmp;
WS_SFTPNAME* current;
do {
current = wolfSSH_SFTP_LS(ssh, workingDir);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE)
&& current == NULL && err != WS_SUCCESS);
tmp = current;
while (tmp != NULL) {
if (SFTP_FPUTS(args, tmp->fName) < 0) {
err_msg("fputs error");
return -1;
}
if (SFTP_FPUTS(args, "\n") < 0) {
err_msg("fputs error");
return -1;
}
tmp = tmp->next;
}
wolfSSH_SFTPNAME_list_free(current);
continue;
}
/* display current working directory */
if ((pt = WSTRNSTR(msg, "pwd", MAX_CMD_SZ)) != NULL) {
if (SFTP_FPUTS(args, workingDir) < 0 ||
SFTP_FPUTS(args, "\n") < 0) {
err_msg("fputs error");
return -1;
}
continue;
}
if (WSTRNSTR(msg, "help", MAX_CMD_SZ) != NULL) {
ShowCommands();
continue;
}
if (WSTRNSTR(msg, "quit", MAX_CMD_SZ) != NULL) {
quit = 1;
continue;
}
if (WSTRNSTR(msg, "exit", MAX_CMD_SZ) != NULL) {
quit = 1;
continue;
}
SFTP_FPUTS(args, "Unknown command\n");
} while (!quit);
return WS_SUCCESS;
}
/* alternate main loop for the autopilot get/receive */
static int doAutopilot(int cmd, char* local, char* remote)
{
int err;
int ret = WS_SUCCESS;
char fullpath[128] = ".";
WS_SFTPNAME* name;
do {
name = wolfSSH_SFTP_RealPath(ssh, fullpath);
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE) &&
ret != WS_SUCCESS);
snprintf(fullpath, sizeof(fullpath), "%s/%s",
name == NULL ? "." : name->fName,
remote);
do {
if (cmd == AUTOPILOT_PUT) {
ret = wolfSSH_SFTP_Put(ssh, local, fullpath, 0, NULL);
}
else if (cmd == AUTOPILOT_GET) {
ret = wolfSSH_SFTP_Get(ssh, fullpath, local, 0, NULL);
}
err = wolfSSH_get_error(ssh);
} while ((err == WS_WANT_READ || err == WS_WANT_WRITE) &&
ret != WS_SUCCESS);
if (ret != WS_SUCCESS) {
if (cmd == AUTOPILOT_PUT) {
fprintf(stderr, "Unable to copy local file %s to remote file %s\n",
local, fullpath);
}
else if (cmd == AUTOPILOT_GET) {
fprintf(stderr, "Unable to copy remote file %s to local file %s\n",
fullpath, local);
}
}
wolfSSH_SFTPNAME_list_free(name);
return ret;
}
THREAD_RETURN WOLFSSH_THREAD sftpclient_test(void* args)
{
WOLFSSH_CTX* ctx = NULL;
SOCKET_T sockFd = WOLFSSH_SOCKET_INVALID;
SOCKADDR_IN_T clientAddr;
socklen_t clientAddrSz = sizeof(clientAddr);
int ret;
int ch;
int userEcc = 0;
/* int peerEcc = 0; */
word16 port = wolfSshPort;
char* host = (char*)wolfSshIp;
const char* username = NULL;
const char* password = NULL;
const char* defaultSftpPath = NULL;
byte nonBlock = 0;
int autopilot = AUTOPILOT_OFF;
char* apLocal = NULL;
char* apRemote = NULL;
int argc = ((func_args*)args)->argc;
char** argv = ((func_args*)args)->argv;
((func_args*)args)->return_code = 0;
while ((ch = mygetopt(argc, argv, "?d:egh:l:p:r:u:AEGNP:")) != -1) {
switch (ch) {
case 'd':
defaultSftpPath = myoptarg;
break;
case 'e':
userEcc = 1;
break;
case 'E':
/* peerEcc = 1; */
err_sys("wolfSFTP ECC server authentication "
"not yet supported.");
break;
case 'h':
host = myoptarg;
break;
case 'p':
port = (word16)atoi(myoptarg);
#if !defined(NO_MAIN_DRIVER) || defined(USE_WINDOWS_API)
if (port == 0)
err_sys("port number cannot be 0");
#endif
break;
case 'u':
username = myoptarg;
break;
case 'l':
apLocal = myoptarg;
break;
case 'r':
apRemote = myoptarg;
break;
case 'g':
autopilot = AUTOPILOT_PUT;
break;
case 'G':
autopilot = AUTOPILOT_GET;
break;
case 'P':
password = myoptarg;
break;
case 'N':
nonBlock = 1;
break;
case '?':
ShowUsage();
exit(EXIT_SUCCESS);
default:
ShowUsage();
exit(MY_EX_USAGE);
}
}
myoptind = 0; /* reset for test cases */
if (username == NULL)
err_sys("client requires a username parameter.");
#ifdef NO_RSA
userEcc = 1;
/* peerEcc = 1; */
#endif
if (autopilot != AUTOPILOT_OFF) {
if (apLocal == NULL || apRemote == NULL) {
err_sys("Options -G and -g require both -l and -r.");
}
}
#ifdef WOLFSSH_TEST_BLOCK
if (!nonBlock) {
err_sys("Use -N when testing forced non blocking");
}
#endif
if (userEcc) {
userPublicKeySz = (word32)sizeof(userPublicKey);
Base64_Decode((byte*)hanselPublicEcc,
(word32)WSTRLEN(hanselPublicEcc),
(byte*)userPublicKey, &userPublicKeySz);
WSTRNCPY((char*)userPublicKeyType, "ecdsa-sha2-nistp256",
sizeof(userPublicKeyType));
userPrivateKey = hanselPrivateEcc;
userPrivateKeySz = hanselPrivateEccSz;
}
else {
userPublicKeySz = (word32)sizeof(userPublicKey);
Base64_Decode((byte*)hanselPublicRsa,
(word32)WSTRLEN(hanselPublicRsa),
(byte*)userPublicKey, &userPublicKeySz);
WSTRNCPY((char*)userPublicKeyType, "ssh-rsa",
sizeof(userPublicKeyType));
userPrivateKey = hanselPrivateRsa;
userPrivateKeySz = hanselPrivateRsaSz;
}
ctx = wolfSSH_CTX_new(WOLFSSH_ENDPOINT_CLIENT, NULL);
if (ctx == NULL)
err_sys("Couldn't create wolfSSH client context.");
if (((func_args*)args)->user_auth == NULL)
wolfSSH_SetUserAuth(ctx, wsUserAuth);
else
wolfSSH_SetUserAuth(ctx, ((func_args*)args)->user_auth);
#ifndef WS_NO_SIGNAL
/* handle interrupt with get and put */
signal(SIGINT, sig_handler);
#endif
ssh = wolfSSH_new(ctx);
if (ssh == NULL)
err_sys("Couldn't create wolfSSH session.");
if (defaultSftpPath != NULL) {
if (wolfSSH_SFTP_SetDefaultPath(ssh, defaultSftpPath)
!= WS_SUCCESS) {
fprintf(stderr, "Couldn't store default sftp path.\n");
exit(EXIT_FAILURE);
}
}
if (password != NULL)
wolfSSH_SetUserAuthCtx(ssh, (void*)password);
wolfSSH_CTX_SetPublicKeyCheck(ctx, wsPublicKeyCheck);
wolfSSH_SetPublicKeyCheckCtx(ssh, (void*)"You've been sampled!");
ret = wolfSSH_SetUsername(ssh, username);
if (ret != WS_SUCCESS)
err_sys("Couldn't set the username.");
build_addr(&clientAddr, host, port);
tcp_socket(&sockFd);
ret = connect(sockFd, (const struct sockaddr *)&clientAddr, clientAddrSz);
if (ret != 0)
err_sys("Couldn't connect to server.");
if (nonBlock)
tcp_set_nonblocking(&sockFd);
ret = wolfSSH_set_fd(ssh, (int)sockFd);
if (ret != WS_SUCCESS)
err_sys("Couldn't set the session's socket.");
if (!nonBlock)
ret = wolfSSH_SFTP_connect(ssh);
else
ret = NonBlockSSH_connect();
if (ret != WS_SUCCESS)
err_sys("Couldn't connect SFTP");
{
/* get current working directory */
WS_SFTPNAME* n = NULL;
do {
n = wolfSSH_SFTP_RealPath(ssh, (char*)".");
ret = wolfSSH_get_error(ssh);
} while (ret == WS_WANT_READ || ret == WS_WANT_WRITE);
if (n == NULL) {
err_sys("Unable to get real path for working directory");
}
workingDir = (char*)WMALLOC(n->fSz + 1, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (workingDir == NULL) {
err_sys("Unable to create working directory");
}
WMEMCPY(workingDir, n->fName, n->fSz);
workingDir[n->fSz] = '\0';
/* free after done with names */
wolfSSH_SFTPNAME_list_free(n);
n = NULL;
}
if (autopilot == AUTOPILOT_OFF) {
ret = doCmds((func_args*)args);
}
else {
ret = doAutopilot(autopilot, apLocal, apRemote);
}
WFREE(workingDir, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (ret == WS_SUCCESS) {
if (wolfSSH_shutdown(ssh) != WS_SUCCESS) {
printf("error with wolfSSH_shutdown(), already disconnected?\n");
}
}
WCLOSESOCKET(sockFd);
wolfSSH_free(ssh);
wolfSSH_CTX_free(ctx);
if (ret != WS_SUCCESS) {
printf("error %d encountered\n", ret);
((func_args*)args)->return_code = ret;
}
#if defined(HAVE_ECC) && defined(FP_ECC) && defined(HAVE_THREAD_LS)
wc_ecc_fp_free(); /* free per thread cache */
#endif
return 0;
}
#else
THREAD_RETURN WOLFSSH_THREAD sftpclient_test(void* args)
{
printf("Not compiled in!\nPlease recompile with WOLFSSH_SFTP or --enable-sftp");
(void)args;
return 0;
}
#endif /* WOLFSSH_SFTP */
#ifndef NO_MAIN_DRIVER
int main(int argc, char** argv)
{
func_args args;
args.argc = argc;
args.argv = argv;
args.return_code = 0;
args.user_auth = NULL;
#ifdef WOLFSSH_SFTP
args.sftp_cb = NULL;
#endif
WSTARTTCP();
#ifdef DEBUG_WOLFSSH
wolfSSH_Debugging_ON();
#endif
wolfSSH_Init();
ChangeToWolfSshRoot();
sftpclient_test(&args);
wolfSSH_Cleanup();
return args.return_code;
}
int myoptind = 0;
char* myoptarg = NULL;
#endif /* NO_MAIN_DRIVER */