| 13 |
#define USER "test" |
#define USER "test" |
| 14 |
#define PASSWORD "123456" |
#define PASSWORD "123456" |
| 15 |
|
|
| 16 |
static ssh_channel channel; |
static ssh_channel SSH_channel; |
| 17 |
static int authenticated = 0; |
static int authenticated = 0; |
| 18 |
static int tries = 0; |
static int tries = 0; |
| 19 |
static int error = 0; |
static int error = 0; |
| 64 |
log_common("Allocated shell\n"); |
log_common("Allocated shell\n"); |
| 65 |
return 0; |
return 0; |
| 66 |
} |
} |
| 67 |
|
|
| 68 |
struct ssh_channel_callbacks_struct channel_cb = { |
struct ssh_channel_callbacks_struct channel_cb = { |
| 69 |
.channel_pty_request_function = pty_request, |
.channel_pty_request_function = pty_request, |
| 70 |
.channel_shell_request_function = shell_request}; |
.channel_shell_request_function = shell_request}; |
| 74 |
(void)session; |
(void)session; |
| 75 |
(void)userdata; |
(void)userdata; |
| 76 |
|
|
| 77 |
if (channel != NULL) |
if (SSH_channel != NULL) |
| 78 |
return NULL; |
return NULL; |
| 79 |
|
|
| 80 |
log_common("Allocated session channel\n"); |
log_common("Allocated session channel\n"); |
| 81 |
channel = ssh_channel_new(session); |
SSH_channel = ssh_channel_new(session); |
| 82 |
ssh_callbacks_init(&channel_cb); |
ssh_callbacks_init(&channel_cb); |
| 83 |
ssh_set_channel_callbacks(channel, &channel_cb); |
ssh_set_channel_callbacks(SSH_channel, &channel_cb); |
| 84 |
|
|
| 85 |
return channel; |
return SSH_channel; |
| 86 |
} |
} |
| 87 |
|
|
| 88 |
int ssh_server(const char *hostaddr, unsigned int port) |
int ssh_server(const char *hostaddr, unsigned int port) |
| 89 |
{ |
{ |
|
ssh_session session; |
|
| 90 |
ssh_bind sshbind; |
ssh_bind sshbind; |
| 91 |
|
ssh_session session; |
| 92 |
ssh_event event; |
ssh_event event; |
| 93 |
|
|
| 94 |
struct ssh_server_callbacks_struct cb = { |
struct ssh_server_callbacks_struct cb = { |
| 148 |
event = ssh_event_new(); |
event = ssh_event_new(); |
| 149 |
ssh_event_add_session(event, session); |
ssh_event_add_session(event, session); |
| 150 |
|
|
| 151 |
while (!(authenticated && channel != NULL)) |
while (!(authenticated && SSH_channel != NULL)) |
| 152 |
{ |
{ |
| 153 |
if (error) |
if (error) |
| 154 |
break; |
break; |
| 172 |
} |
} |
| 173 |
|
|
| 174 |
snprintf(buf, sizeof(buf), "Hello, welcome to the Sample SSH proxy.\r\nPlease select your destination: "); |
snprintf(buf, sizeof(buf), "Hello, welcome to the Sample SSH proxy.\r\nPlease select your destination: "); |
| 175 |
ssh_channel_write(channel, buf, (uint32_t)strlen(buf)); |
ssh_channel_write(SSH_channel, buf, (uint32_t)strlen(buf)); |
| 176 |
do |
do |
| 177 |
{ |
{ |
| 178 |
i = ssh_channel_read(channel, buf, sizeof(buf), 0); |
i = ssh_channel_read(SSH_channel, buf, sizeof(buf), 0); |
| 179 |
if (i > 0) |
if (i > 0) |
| 180 |
{ |
{ |
| 181 |
ssh_channel_write(channel, buf, (uint32_t)i); |
ssh_channel_write(SSH_channel, buf, (uint32_t)i); |
| 182 |
if (strlen(host) + (size_t)i < sizeof(host)) |
if (strlen(host) + (size_t)i < sizeof(host)) |
| 183 |
{ |
{ |
| 184 |
strncat(host, buf, (size_t)i); |
strncat(host, buf, (size_t)i); |
| 186 |
if (strchr(host, '\x0d')) |
if (strchr(host, '\x0d')) |
| 187 |
{ |
{ |
| 188 |
*strchr(host, '\x0d') = '\0'; |
*strchr(host, '\x0d') = '\0'; |
| 189 |
ssh_channel_write(channel, "\n", 1); |
ssh_channel_write(SSH_channel, "\n", 1); |
| 190 |
break; |
break; |
| 191 |
} |
} |
| 192 |
} |
} |
| 197 |
} |
} |
| 198 |
} while (i > 0); |
} while (i > 0); |
| 199 |
snprintf(buf, sizeof(buf), "Trying to connect to \"%s\"\r\n", host); |
snprintf(buf, sizeof(buf), "Trying to connect to \"%s\"\r\n", host); |
| 200 |
ssh_channel_write(channel, buf, (uint32_t)strlen(buf)); |
ssh_channel_write(SSH_channel, buf, (uint32_t)strlen(buf)); |
| 201 |
log_common("%s", buf); |
log_common("%s", buf); |
| 202 |
|
|
| 203 |
ssh_disconnect(session); |
ssh_disconnect(session); |