#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
#include <errno.h>
#include <stdlib.h>
void func(char *input)
{
pid_t pid;
int status;
pid_t ret;
char *const args[3] = {"any_exe", input, NULL};
char **env;
extern char **environ;
/* ... Sanitize arguments ... */
pid = fork();
if(pid == -1){
/* Handle error */
}
else if(pid != 0){
while ((ret = waitpid(pid, &status, 0)) == -1){
if(errno != EINTR){
/* Handle error */
break;
}
}
if((ret == 0) ||
!(WIFEXITED(status) && !WEXITSTATUS(status))){
/* Report unexpected child status */
}
}
else {
/* ... Initialize env as a sanitized copy of environ ... */
if(execve("/usr/bin/any_cmd", args, env) == -1){
/* Handle error */
_Exit(127);
}
}
}
'2025/08/23'에 해당되는 글 4건
-
02:12:52
execve
