lib/libssh2
1
0
Fork 0
mirror of https://github.com/libssh2/libssh2.git synced 2025-07-29 13:01:14 +03:00
Code Activity

style: make includes and examples code style strict

Browse Source 
make travis and the makefile rule verify them too

Closes #334
This commit is contained in:
Daniel Stenberg
2019-03-21 09:19:48 +01:00
parent 4186a04cfd
commit 452517d96c
28 changed files with 1060 additions and 958 deletions
Download Patch File Download Diff File Expand all files Collapse all files

99
example/ssh2_exec.c
View File

@ -87,7 +87,7 @@ int main(int argc, char *argv[])
LIBSSH2_CHANNEL *channel;
int rc;
int exitcode;
char *exitsignal=(char *)"none";
char *exitsignal = (char *)"none";
int bytecount = 0;
size_t len;
LIBSSH2_KNOWNHOSTS *nh;
@ -97,30 +97,30 @@ int main(int argc, char *argv[])
WSADATA wsadata;
int err;
err = WSAStartup(MAKEWORD(2,0), &wsadata);
if (err != 0) {
err = WSAStartup(MAKEWORD(2, 0), &wsadata);
if(err != 0) {
fprintf(stderr, "WSAStartup failed with error: %d\n", err);
return 1;
}
#endif
if (argc > 1)
if(argc > 1)
/* must be ip address only */
hostname = argv[1];
if (argc > 2) {
if(argc > 2) {
username = argv[2];
}
if (argc > 3) {
if(argc > 3) {
password = argv[3];
}
if (argc > 4) {
if(argc > 4) {
commandline = argv[4];
}
rc = libssh2_init (0);
if (rc != 0) {
fprintf (stderr, "libssh2 initialization failed (%d)\n", rc);
rc = libssh2_init(0);
if(rc != 0) {
fprintf(stderr, "libssh2 initialization failed (%d)\n", rc);
return 1;
}
@ -135,7 +135,7 @@ int main(int argc, char *argv[])
sin.sin_family = AF_INET;
sin.sin_port = htons(22);
sin.sin_addr.s_addr = hostaddr;
if (connect(sock, (struct sockaddr*)(&sin),
if(connect(sock, (struct sockaddr*)(&sin),
sizeof(struct sockaddr_in)) != 0) {
fprintf(stderr, "failed to connect!\n");
return -1;
@ -143,7 +143,7 @@ int main(int argc, char *argv[])
/* Create a session instance */
session = libssh2_session_init();
if (!session)
if(!session)
return -1;
/* tell libssh2 we want it all done non-blocking */
@ -152,9 +152,9 @@ int main(int argc, char *argv[])
/* ... start it up. This will trade welcome banners, exchange keys,
* and setup crypto, compression, and MAC layers
*/
while ((rc = libssh2_session_handshake(session, sock)) ==
while((rc = libssh2_session_handshake(session, sock)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
if(rc) {
fprintf(stderr, "Failure establishing SSH session: %d\n", rc);
return -1;
}
@ -206,104 +206,95 @@ int main(int argc, char *argv[])
}
libssh2_knownhost_free(nh);
if ( strlen(password) != 0 ) {
if(strlen(password) != 0) {
/* We could authenticate via password */
while ((rc = libssh2_userauth_password(session, username, password)) ==
while((rc = libssh2_userauth_password(session, username, password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
if(rc) {
fprintf(stderr, "Authentication by password failed.\n");
goto shutdown;
}
}
else {
/* Or by public key */
while ((rc = libssh2_userauth_publickey_fromfile(session, username,
while((rc = libssh2_userauth_publickey_fromfile(session, username,
"/home/user/"
".ssh/id_rsa.pub",
"/home/user/"
".ssh/id_rsa",
password)) ==
LIBSSH2_ERROR_EAGAIN);
if (rc) {
if(rc) {
fprintf(stderr, "\tAuthentication by public key failed\n");
goto shutdown;
}
}
#if 0
libssh2_trace(session, ~0 );
libssh2_trace(session, ~0);
#endif
/* Exec non-blocking on the remove host */
while( (channel = libssh2_channel_open_session(session)) == NULL &&
libssh2_session_last_error(session,NULL,NULL,0) ==
LIBSSH2_ERROR_EAGAIN )
{
while((channel = libssh2_channel_open_session(session)) == NULL &&
libssh2_session_last_error(session, NULL, NULL, 0) ==
LIBSSH2_ERROR_EAGAIN) {
waitsocket(sock, session);
}
if( channel == NULL )
{
fprintf(stderr,"Error\n");
exit( 1 );
if(channel == NULL) {
fprintf(stderr, "Error\n");
exit(1);
}
while( (rc = libssh2_channel_exec(channel, commandline)) ==
LIBSSH2_ERROR_EAGAIN )
{
while((rc = libssh2_channel_exec(channel, commandline)) ==
LIBSSH2_ERROR_EAGAIN) {
waitsocket(sock, session);
}
if( rc != 0 )
{
fprintf(stderr,"Error\n");
exit( 1 );
if(rc != 0) {
fprintf(stderr, "Error\n");
exit(1);
}
for( ;; )
{
for(;;) {
/* loop until we block */
int rc;
do
{
do {
char buffer[0x4000];
rc = libssh2_channel_read( channel, buffer, sizeof(buffer) );
if( rc > 0 )
{
rc = libssh2_channel_read(channel, buffer, sizeof(buffer) );
if(rc > 0) {
int i;
bytecount += rc;
fprintf(stderr, "We read:\n");
for( i=0; i < rc; ++i )
fputc( buffer[i], stderr);
for(i = 0; i < rc; ++i)
fputc(buffer[i], stderr);
fprintf(stderr, "\n");
}
else {
if( rc != LIBSSH2_ERROR_EAGAIN )
if(rc != LIBSSH2_ERROR_EAGAIN)
/* no need to output this for the EAGAIN case */
fprintf(stderr, "libssh2_channel_read returned %d\n", rc);
}
}
while( rc > 0 );
while(rc > 0);
/* this is due to blocking that would occur otherwise so we loop on
this condition */
if( rc == LIBSSH2_ERROR_EAGAIN )
{
if(rc == LIBSSH2_ERROR_EAGAIN) {
waitsocket(sock, session);
}
else
break;
}
exitcode = 127;
while( (rc = libssh2_channel_close(channel)) == LIBSSH2_ERROR_EAGAIN )
while((rc = libssh2_channel_close(channel)) == LIBSSH2_ERROR_EAGAIN)
waitsocket(sock, session);
if( rc == 0 )
{
exitcode = libssh2_channel_get_exit_status( channel );
if(rc == 0) {
exitcode = libssh2_channel_get_exit_status(channel);
libssh2_channel_get_exit_signal(channel, &exitsignal,
NULL, NULL, NULL, NULL, NULL);
}
if (exitsignal)
if(exitsignal)
fprintf(stderr, "\nGot signal: %s\n", exitsignal);
else
else
fprintf(stderr, "\nEXIT: %d bytecount: %d\n", exitcode, bytecount);
libssh2_channel_free(channel);