int main(int argc, char **argv)
{
int errline = 0, i;
CMD_FILE cf;
// check if cmd file was given
if (argc < 2)
{
printf("USAGE: su_exec cmdfile\n");
return 0;
}
if ((errline = open_and_parse_cmd_file(argv[1], &cf)) != 0)
{
if (errline == ERR_NOFILE)
{
printf("could not find command file %s \n", argv[1]);
return ERR_NOFILE;
}
if (errline == ERR_NOKEY)
{
printf("authentication keys do not match! will not process file \n");
return ERR_NOKEY;
}
printf("error on line %i of command file: %s\n", errline, g_err_line);
free(g_err_line);
free_cmds(&cf);
return 0;
}
if (!check_keys(&cf))
{
printf("keys do not match!\n");
free_cmds(&cf);
return 0;
}
// set the uid to root, so that shell commands think they are really run from the root account
setuid(geteuid());
for (i = 0; i < cf.num_cmds; i++)
{
printf("exec command %s <br>\n", cf.cmds[i].real_cmd);
system(cf.cmds[i].real_cmd);
}
free_cmds(&cf);
return 0;
}
int main(int argc, char **argv) {
char *line;
struct commands cmds;
int quit = 0;
while (!quit) {
line = readline("myshell> ");
if (!line)
return (0);
add_history(line);
(void) parse_line(line, &cmds);
if (exec_cmds(&cmds)) {
fprintf(stderr, "Line execution failed.\n");
}
free_cmds(&cmds);
free(line);
}
return (0);
}
