/**
* @param host The host to connect too
*
* SSH into the selected host, if successful update history.
*/
static void exec_ssh ( const char *host )
{
if ( !host || !host[0] ) {
return;
}
if ( !execshssh ( host ) ) {
return;
}
// This happens in non-critical time (After launching app)
// It is allowed to be a bit slower.
char *path = g_build_filename ( cache_dir, SSH_CACHE_FILE, NULL );
history_set ( path, host );
g_free ( path );
}
// execute sub-process
static pid_t exec_ssh ( const char *cmd )
{
if ( !cmd || !cmd[0] ) {
return -1;
}
execshssh ( cmd );
/**
* This happens in non-critical time (After launching app)
* It is allowed to be a bit slower.
*/
char *path = g_strdup_printf ( "%s/%s", cache_dir, SSH_CACHE_FILE );
history_set ( path, cmd );
g_free ( path );
return 0;
}
// execute sub-process
static pid_t exec_ssh( const char *cmd )
{
if ( !cmd || !cmd[0] ) return -1;
signal( SIGCHLD, catch_exit );
pid_t pid = fork();
if ( !pid ) {
setsid();
execshssh( cmd );
exit( EXIT_FAILURE );
}
int curr = -1;
unsigned int index = 0;
char **retv = NULL;
/**
* This happens in non-critical time (After launching app)
* It is allowed to be a bit slower.
*/
char *path = allocate( strlen( cache_dir ) + strlen( SSH_CACHE_FILE )+3 );
sprintf( path, "%s/%s", cache_dir, SSH_CACHE_FILE );
FILE *fd = fopen ( path, "r" );
if ( fd != NULL ) {
char buffer[1024];
while ( fgets( buffer,1024,fd ) != NULL ) {
retv = reallocate( retv, ( index+2 )*sizeof( char* ) );
buffer[strlen( buffer )-1] = '\0';
retv[index] = strdup( buffer );
retv[index+1] = NULL;
if ( strcasecmp( retv[index], cmd ) == 0 ) {
curr = index;
}
index++;
}
fclose( fd );
}
/**
* Write out the last 25 results again.
*/
fd = fopen ( path, "w" );
if ( fd ) {
// Last one goes on top!
fputs( cmd, fd );
fputc( '\n', fd );
for ( int i = 0; i < ( int )index && i < 20; i++ ) {
if ( i != curr ) {
fputs( retv[i], fd );
fputc( '\n', fd );
}
}
fclose( fd );
}
for ( int i=0; retv != NULL && retv[i] != NULL; i++ ) {
free( retv[i] );
}
free( retv );
free( path );
return pid;
}
