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#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/wait.h>
#include <sys/utsname.h>
#include <sys/personality.h>
extern char **environ;
int main(int argc, char **argv) {
if (argc < 2) {
fprintf(stderr,"%s\n", "Must supply an executable path");
exit(1);
}
int ev = personality(PER_LINUX | UNAME26);
if (ev == -1) {
fprintf(stderr,"%s\n", "Could not set execution domain");
exit(1);
}
pid_t child = fork();
if (child == 0) {
ev = execve(argv[1], &argv[1], environ);
if (ev) {
perror("Exec error");
exit(1);
}
}
else {
int status;
waitpid(child, &status, 0);
printf("%s\n", "welcome back");
}
return 0;
}