generic-library/ssh2
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examples: use stderr for messages, stdout for data

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Reported by: Karel Srot
Bug: https://bugzilla.redhat.com/867462
This commit is contained in:
Kamil Dudka 2012-10-22 13:29:27 +02:00
parent e2bb780d77
commit b31e35aba6
20 changed files with 148 additions and 141 deletions
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19
example/direct_tcpip.c
View File

@ -135,7 +135,7 @@ int main(int argc, char *argv[])
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password"))
auth |= AUTH_PASSWORD;
if (strstr(userauthlist, "publickey"))
@ -157,12 +157,12 @@ int main(int argc, char *argv[])
} else if (auth & AUTH_PUBLICKEY) {
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1,
keyfile2, password)) {
printf("\tAuthentication by public key failed!\n");
fprintf(stderr, "\tAuthentication by public key failed!\n");
goto shutdown;
}
printf("\tAuthentication by public key succeeded.\n");
fprintf(stderr, "\tAuthentication by public key succeeded.\n");
} else {
printf("No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}
@ -185,7 +185,7 @@ int main(int argc, char *argv[])
goto shutdown;
}
printf("Waiting for TCP connection on %s:%d...\n",
fprintf(stderr, "Waiting for TCP connection on %s:%d...\n",
inet_ntoa(sin.sin_addr), ntohs(sin.sin_port));
forwardsock = accept(listensock, (struct sockaddr *)&sin, &sinlen);
@ -197,8 +197,8 @@ int main(int argc, char *argv[])
shost = inet_ntoa(sin.sin_addr);
sport = ntohs(sin.sin_port);
printf("Forwarding connection from %s:%d here to remote %s:%d\n", shost,
sport, remote_desthost, remote_destport);
fprintf(stderr, "Forwarding connection from %s:%d here to remote %s:%d\n",
shost, sport, remote_desthost, remote_destport);
channel = libssh2_channel_direct_tcpip_ex(session, remote_desthost,
remote_destport, shost, sport);
@ -228,7 +228,8 @@ int main(int argc, char *argv[])
perror("read");
goto shutdown;
} else if (0 == len) {
printf("The client at %s:%d disconnected!\n", shost, sport);
fprintf(stderr, "The client at %s:%d disconnected!\n", shost,
sport);
goto shutdown;
}
wr = 0;
@ -259,7 +260,7 @@ int main(int argc, char *argv[])
wr += i;
}
if (libssh2_channel_eof(channel)) {
printf("The server at %s:%d disconnected!\n",
fprintf(stderr, "The server at %s:%d disconnected!\n",
remote_desthost, remote_destport);
goto shutdown;
}

2
example/scp_nonblock.c
View File

@ -250,7 +250,7 @@ int main(int argc, char *argv[])
gettimeofday(&end, NULL);
time_ms = tvdiff(end, start);
printf("Got %d bytes in %ld ms = %.1f bytes/sec spin: %d\n", total,
fprintf(stderr, "Got %d bytes in %ld ms = %.1f bytes/sec spin: %d\n", total,
time_ms, total/(time_ms/1000.0), spin );
libssh2_channel_free(channel);

2
example/scp_write_nonblock.c
View File

@ -243,7 +243,7 @@ int main(int argc, char *argv[])
duration = (int)(time(NULL)-start);
printf("%ld bytes in %d seconds makes %.1f bytes/sec\n",
fprintf(stderr, "%ld bytes in %d seconds makes %.1f bytes/sec\n",
total, duration, total/(double)duration);
fprintf(stderr, "Sending EOF\n");

49
example/sftp.c
View File

@ -55,24 +55,24 @@ static void kbd_callback(const char *name, int name_len,
char buf[1024];
(void)abstract;
printf("Performing keyboard-interactive authentication.\n");
fprintf(stderr, "Performing keyboard-interactive authentication.\n");
printf("Authentication name: '");
fwrite(name, 1, name_len, stdout);
printf("'\n");
fprintf(stderr, "Authentication name: '");
fwrite(name, 1, name_len, stderr);
fprintf(stderr, "'\n");
printf("Authentication instruction: '");
fwrite(instruction, 1, instruction_len, stdout);
printf("'\n");
fprintf(stderr, "Authentication instruction: '");
fwrite(instruction, 1, instruction_len, stderr);
fprintf(stderr, "'\n");
printf("Number of prompts: %d\n\n", num_prompts);
fprintf(stderr, "Number of prompts: %d\n\n", num_prompts);
for (i = 0; i < num_prompts; i++) {
printf("Prompt %d from server: '", i);
fwrite(prompts[i].text, 1, prompts[i].length, stdout);
printf("'\n");
fprintf(stderr, "Prompt %d from server: '", i);
fwrite(prompts[i].text, 1, prompts[i].length, stderr);
fprintf(stderr, "'\n");
printf("Please type response: ");
fprintf(stderr, "Please type response: ");
fgets(buf, sizeof(buf), stdin);
n = strlen(buf);
while (n > 0 && strchr("\r\n", buf[n - 1]))
@ -82,12 +82,13 @@ static void kbd_callback(const char *name, int name_len,
responses[i].text = strdup(buf);
responses[i].length = n;
printf("Response %d from user is '", i);
fwrite(responses[i].text, 1, responses[i].length, stdout);
printf("'\n\n");
fprintf(stderr, "Response %d from user is '", i);
fwrite(responses[i].text, 1, responses[i].length, stderr);
fprintf(stderr, "'\n\n");
}
printf("Done. Sending keyboard-interactive responses to server now.\n");
fprintf(stderr,
"Done. Sending keyboard-interactive responses to server now.\n");
}
@ -127,7 +128,7 @@ int main(int argc, char *argv[])
rc = libssh2_init (0);
if (rc != 0) {
fprintf (stderr, "libssh2 initialization failed (%d)\n", rc);
fprintf(stderr, "libssh2 initialization failed (%d)\n", rc);
return 1;
}
@ -178,7 +179,7 @@ int main(int argc, char *argv[])
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password") != NULL) {
auth_pw |= 1;
}
@ -211,21 +212,23 @@ int main(int argc, char *argv[])
} else if (auth_pw & 2) {
/* Or via keyboard-interactive */
if (libssh2_userauth_keyboard_interactive(session, username, &kbd_callback) ) {
printf("\tAuthentication by keyboard-interactive failed!\n");
fprintf(stderr,
"\tAuthentication by keyboard-interactive failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by keyboard-interactive succeeded.\n");
fprintf(stderr,
"\tAuthentication by keyboard-interactive succeeded.\n");
}
} else if (auth_pw & 4) {
/* Or by public key */
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1, keyfile2, password)) {
printf("\tAuthentication by public key failed!\n");
fprintf(stderr, "\tAuthentication by public key failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by public key succeeded.\n");
fprintf(stderr, "\tAuthentication by public key succeeded.\n");
}
} else {
printf("No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}

14
example/sftp_RW_nonblock.c
View File

@ -141,11 +141,11 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if(argc > 1) {
username = argv[1];
@ -162,7 +162,7 @@ int main(int argc, char *argv[])
tempstorage = fopen(STORAGE, "wb");
if(!tempstorage) {
printf("Can't open temp storage file %s\n", STORAGE);
fprintf(stderr, "Can't open temp storage file %s\n", STORAGE);
goto shutdown;
}
@ -171,7 +171,7 @@ int main(int argc, char *argv[])
while ((rc = libssh2_userauth_password(session, username, password))
== LIBSSH2_ERROR_EAGAIN);
if (rc) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -185,7 +185,7 @@ int main(int argc, char *argv[])
password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -341,7 +341,7 @@ int main(int argc, char *argv[])
#endif
if (tempstorage)
fclose(tempstorage);
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

18
example/sftp_append.c
View File

@ -86,7 +86,7 @@ int main(int argc, char *argv[])
local = fopen(loclfile, "rb");
if (!local) {
printf("Can't local file %s\n", loclfile);
fprintf(stderr, "Can't open local file %s\n", loclfile);
return -1;
}
@ -129,16 +129,16 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -147,7 +147,7 @@ int main(int argc, char *argv[])
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -174,12 +174,12 @@ int main(int argc, char *argv[])
}
if(libssh2_sftp_fstat_ex(sftp_handle, &attrs, 0) < 0) {
printf("libssh2_sftp_fstat_ex failed\n");
fprintf(stderr, "libssh2_sftp_fstat_ex failed\n");
goto shutdown;
}
else
libssh2_sftp_seek64(sftp_handle, attrs.filesize);
printf("Did a seek to position %ld\n", (long) attrs.filesize);
fprintf(stderr, "Did a seek to position %ld\n", (long) attrs.filesize);
fprintf(stderr, "libssh2_sftp_open() a handle for APPEND\n");
@ -222,7 +222,7 @@ shutdown:
#endif
if (local)
fclose(local);
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

12
example/sftp_mkdir.c
View File

@ -110,16 +110,16 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -128,7 +128,7 @@ int main(int argc, char *argv[])
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -164,7 +164,7 @@ int main(int argc, char *argv[])
#else
close(sock);
#endif
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

12
example/sftp_mkdir_nonblock.c
View File

@ -110,16 +110,16 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -128,7 +128,7 @@ int main(int argc, char *argv[])
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -164,7 +164,7 @@ int main(int argc, char *argv[])
#else
close(sock);
#endif
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

4
example/sftp_nonblock.c
View File

@ -251,7 +251,7 @@ int main(int argc, char *argv[])
gettimeofday(&end, NULL);
time_ms = tvdiff(end, start);
printf("Got %d bytes in %ld ms = %.1f bytes/sec spin: %d\n", total,
fprintf(stderr, "Got %d bytes in %ld ms = %.1f bytes/sec spin: %d\n", total,
time_ms, total/(time_ms/1000.0), spin );
libssh2_sftp_close(sftp_handle);
@ -259,7 +259,7 @@ int main(int argc, char *argv[])
shutdown:
printf("libssh2_session_disconnect\n");
fprintf(stderr, "libssh2_session_disconnect\n");
while (libssh2_session_disconnect(session,
"Normal Shutdown, Thank you") ==
LIBSSH2_ERROR_EAGAIN);

14
example/sftp_write.c
View File

@ -85,7 +85,7 @@ int main(int argc, char *argv[])
local = fopen(loclfile, "rb");
if (!local) {
printf("Can't local file %s\n", loclfile);
fprintf(stderr, "Can't open local file %s\n", loclfile);
return -1;
}
@ -128,16 +128,16 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -146,7 +146,7 @@ int main(int argc, char *argv[])
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -206,7 +206,7 @@ shutdown:
#endif
if (local)
fclose(local);
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

16
example/sftp_write_nonblock.c
View File

@ -125,7 +125,7 @@ int main(int argc, char *argv[])
local = fopen(loclfile, "rb");
if (!local) {
printf("Can't local file %s\n", loclfile);
fprintf(stderr, "Can't open local file %s\n", loclfile);
return -1;
}
@ -169,18 +169,18 @@ int main(int argc, char *argv[])
* that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
while ((rc = libssh2_userauth_password(session, username, password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -191,7 +191,7 @@ int main(int argc, char *argv[])
password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -253,7 +253,7 @@ int main(int argc, char *argv[])
duration = (int)(time(NULL)-start);
printf("%ld bytes in %d seconds makes %.1f bytes/sec\n",
fprintf(stderr, "%ld bytes in %d seconds makes %.1f bytes/sec\n",
total, duration, total/(double)duration);
@ -272,7 +272,7 @@ shutdown:
#else
close(sock);
#endif
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

16
example/sftp_write_sliding.c
View File

@ -125,7 +125,7 @@ int main(int argc, char *argv[])
local = fopen(loclfile, "rb");
if (!local) {
printf("Can't local file %s\n", loclfile);
fprintf(stderr, "Can't open local file %s\n", loclfile);
return -1;
}
@ -169,18 +169,18 @@ int main(int argc, char *argv[])
* that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
while ((rc = libssh2_userauth_password(session, username, password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -191,7 +191,7 @@ int main(int argc, char *argv[])
password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -262,7 +262,7 @@ int main(int argc, char *argv[])
duration = (int)(time(NULL)-start);
printf("%ld bytes in %d seconds makes %.1f bytes/sec\n",
fprintf(stderr, "%ld bytes in %d seconds makes %.1f bytes/sec\n",
total, duration, total/(double)duration);
@ -281,7 +281,7 @@ shutdown:
#else
close(sock);
#endif
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

12
example/sftpdir.c
View File

@ -130,16 +130,16 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("Authentication by password failed.\n");
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
} else {
@ -148,7 +148,7 @@ int main(int argc, char *argv[])
"/home/username/.ssh/id_rsa.pub",
"/home/username/.ssh/id_rsa",
password)) {
printf("\tAuthentication by public key failed\n");
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
@ -229,7 +229,7 @@ int main(int argc, char *argv[])
#else
close(sock);
#endif
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

8
example/sftpdir_nonblock.c
View File

@ -134,11 +134,11 @@ int main(int argc, char *argv[])
* user, that's your call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
if (auth_pw) {
/* We could authenticate via password */
@ -239,7 +239,7 @@ int main(int argc, char *argv[])
#else
close(sock);
#endif
printf("all done\n");
fprintf(stderr, "all done\n");
libssh2_exit();

26
example/ssh2.c
View File

@ -126,15 +126,15 @@ int main(int argc, char *argv[])
* call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password") != NULL) {
auth_pw |= 1;
}
@ -161,31 +161,33 @@ int main(int argc, char *argv[])
if (auth_pw & 1) {
/* We could authenticate via password */
if (libssh2_userauth_password(session, username, password)) {
printf("\tAuthentication by password failed!\n");
fprintf(stderr, "\tAuthentication by password failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by password succeeded.\n");
fprintf(stderr, "\tAuthentication by password succeeded.\n");
}
} else if (auth_pw & 2) {
/* Or via keyboard-interactive */
if (libssh2_userauth_keyboard_interactive(session, username,
&kbd_callback) ) {
printf("\tAuthentication by keyboard-interactive failed!\n");
fprintf(stderr,
"\tAuthentication by keyboard-interactive failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by keyboard-interactive succeeded.\n");
fprintf(stderr,
"\tAuthentication by keyboard-interactive succeeded.\n");
}
} else if (auth_pw & 4) {
/* Or by public key */
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1,
keyfile2, password)) {
printf("\tAuthentication by public key failed!\n");
fprintf(stderr, "\tAuthentication by public key failed!\n");
goto shutdown;
} else {
printf("\tAuthentication by public key succeeded.\n");
fprintf(stderr, "\tAuthentication by public key succeeded.\n");
}
} else {
printf("No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}
@ -250,7 +252,7 @@ int main(int argc, char *argv[])
#else
close(sock);
#endif
printf("all done!\n");
fprintf(stderr, "all done!\n");
libssh2_exit();

14
example/ssh2_agent.c
View File

@ -105,15 +105,15 @@ int main(int argc, char *argv[])
* call
*/
fingerprint = libssh2_hostkey_hash(session, LIBSSH2_HOSTKEY_HASH_SHA1);
printf("Fingerprint: ");
fprintf(stderr, "Fingerprint: ");
for(i = 0; i < 20; i++) {
printf("%02X ", (unsigned char)fingerprint[i]);
fprintf(stderr, "%02X ", (unsigned char)fingerprint[i]);
}
printf("\n");
fprintf(stderr, "\n");
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "publickey") == NULL) {
fprintf(stderr, "\"publickey\" authentication is not supported\n");
goto shutdown;
@ -147,11 +147,11 @@ int main(int argc, char *argv[])
goto shutdown;
}
if (libssh2_agent_userauth(agent, username, identity)) {
printf("\tAuthentication with username %s and "
fprintf(stderr, "\tAuthentication with username %s and "
"public key %s failed!\n",
username, identity->comment);
} else {
printf("\tAuthentication with username %s and "
fprintf(stderr, "\tAuthentication with username %s and "
"public key %s succeeded!\n",
username, identity->comment);
break;
@ -234,7 +234,7 @@ int main(int argc, char *argv[])
#endif
}
printf("all done!\n");
fprintf(stderr, "all done!\n");
libssh2_exit();

2
example/ssh2_echo.c
View File

@ -327,7 +327,7 @@ int main(int argc, char *argv[])
}
if (exitsignal)
printf("\nGot signal: %s\n", exitsignal);
fprintf(stderr, "\nGot signal: %s\n", exitsignal);
libssh2_channel_free(channel);
channel = NULL;

4
example/ssh2_exec.c
View File

@ -292,9 +292,9 @@ int main(int argc, char *argv[])
}
if (exitsignal)
printf("\nGot signal: %s\n", exitsignal);
fprintf(stderr, "\nGot signal: %s\n", exitsignal);
else
printf("\nEXIT: %d bytecount: %d\n", exitcode, bytecount);
fprintf(stderr, "\nEXIT: %d bytecount: %d\n", exitcode, bytecount);
libssh2_channel_free(channel);
channel = NULL;

20
example/subsystem_netconf.c
View File

@ -173,7 +173,7 @@ int main(int argc, char *argv[])
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password"))
auth |= AUTH_PASSWORD;
if (strstr(userauthlist, "publickey"))
@ -195,12 +195,12 @@ int main(int argc, char *argv[])
} else if (auth & AUTH_PUBLICKEY) {
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1,
keyfile2, password)) {
printf("Authentication by public key failed!\n");
fprintf(stderr, "Authentication by public key failed!\n");
goto shutdown;
}
printf("Authentication by public key succeeded.\n");
fprintf(stderr, "Authentication by public key succeeded.\n");
} else {
printf("No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}
@ -223,7 +223,7 @@ int main(int argc, char *argv[])
/* NETCONF: http://tools.ietf.org/html/draft-ietf-netconf-ssh-06 */
printf("Sending NETCONF client <hello>\n");
fprintf(stderr, "Sending NETCONF client <hello>\n");
snprintf(buf, sizeof(buf),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<hello>"
@ -235,14 +235,14 @@ int main(int argc, char *argv[])
if (-1 == netconf_write(channel, buf, len))
goto shutdown;
printf("Reading NETCONF server <hello>\n");
fprintf(stderr, "Reading NETCONF server <hello>\n");
len = netconf_read_until(channel, "</hello>", buf, sizeof(buf));
if (-1 == len)
goto shutdown;
printf("Got %d bytes:\n----------------------\n%s", (int)len, buf);
fprintf(stderr, "Got %d bytes:\n----------------------\n%s", (int)len, buf);
printf("Sending NETCONF <rpc>\n");
fprintf(stderr, "Sending NETCONF <rpc>\n");
snprintf(buf, sizeof(buf),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<rpc xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">"
@ -252,12 +252,12 @@ int main(int argc, char *argv[])
if (-1 == netconf_write(channel, buf, len))
goto shutdown;
printf("Reading NETCONF <rpc-reply>\n");
fprintf(stderr, "Reading NETCONF <rpc-reply>\n");
len = netconf_read_until(channel, "</rpc-reply>", buf, sizeof(buf));
if (-1 == len)
goto shutdown;
printf("Got %d bytes:\n----------------------\n%s", (int)len, buf);
fprintf(stderr, "Got %d bytes:\n----------------------\n%s", (int)len, buf);
shutdown:
if (channel)

25
example/tcpip-forward.c
View File

@ -137,7 +137,7 @@ int main(int argc, char *argv[])
/* check what authentication methods are available */
userauthlist = libssh2_userauth_list(session, username, strlen(username));
printf("Authentication methods: %s\n", userauthlist);
fprintf(stderr, "Authentication methods: %s\n", userauthlist);
if (strstr(userauthlist, "password"))
auth |= AUTH_PASSWORD;
if (strstr(userauthlist, "publickey"))
@ -159,17 +159,17 @@ int main(int argc, char *argv[])
} else if (auth & AUTH_PUBLICKEY) {
if (libssh2_userauth_publickey_fromfile(session, username, keyfile1,
keyfile2, password)) {
printf("\tAuthentication by public key failed!\n");
fprintf(stderr, "\tAuthentication by public key failed!\n");
goto shutdown;
}
printf("\tAuthentication by public key succeeded.\n");
fprintf(stderr, "\tAuthentication by public key succeeded.\n");
} else {
printf("No supported authentication methods found!\n");
fprintf(stderr, "No supported authentication methods found!\n");
goto shutdown;
}
printf("Asking server to listen on remote %s:%d\n", remote_listenhost,
remote_wantport);
fprintf(stderr, "Asking server to listen on remote %s:%d\n",
remote_listenhost, remote_wantport);
listener = libssh2_channel_forward_listen_ex(session, remote_listenhost,
remote_wantport, &remote_listenport, 1);
@ -180,10 +180,10 @@ int main(int argc, char *argv[])
goto shutdown;
}
printf("Server is listening on %s:%d\n", remote_listenhost,
fprintf(stderr, "Server is listening on %s:%d\n", remote_listenhost,
remote_listenport);
printf("Waiting for remote connection\n");
fprintf(stderr, "Waiting for remote connection\n");
channel = libssh2_channel_forward_accept(listener);
if (!channel) {
fprintf(stderr, "Could not accept connection!\n"
@ -192,7 +192,8 @@ int main(int argc, char *argv[])
goto shutdown;
}
printf("Accepted remote connection. Connecting to local server %s:%d\n",
fprintf(stderr,
"Accepted remote connection. Connecting to local server %s:%d\n",
local_destip, local_destport);
forwardsock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
sin.sin_family = AF_INET;
@ -206,7 +207,7 @@ int main(int argc, char *argv[])
goto shutdown;
}
printf("Forwarding connection from remote %s:%d to local %s:%d\n",
fprintf(stderr, "Forwarding connection from remote %s:%d to local %s:%d\n",
remote_listenhost, remote_listenport, local_destip, local_destport);
/* Must use non-blocking IO hereafter due to the current libssh2 API */
@ -228,7 +229,7 @@ int main(int argc, char *argv[])
perror("read");
goto shutdown;
} else if (0 == len) {
printf("The local server at %s:%d disconnected!\n",
fprintf(stderr, "The local server at %s:%d disconnected!\n",
local_destip, local_destport);
goto shutdown;
}
@ -260,7 +261,7 @@ int main(int argc, char *argv[])
wr += i;
}
if (libssh2_channel_eof(channel)) {
printf("The remote client at %s:%d disconnected!\n",
fprintf(stderr, "The remote client at %s:%d disconnected!\n",
remote_listenhost, remote_listenport);
goto shutdown;
}