26 lines
455 B
C
26 lines
455 B
C
/*
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* chroot.c -- change root directory and execute a command there
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* Rick Sladkey <jrs@world.std.com>
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* In the public domain.
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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int main(int argc, char *argv[])
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{
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if (argc < 3) {
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fprintf(stderr, "usage: %s directory program [arg ...]\n",
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argv[0]);
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exit(1);
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}
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if (chroot(argv[1]) < 0) {
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perror("chroot");
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exit(1);
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}
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execvp(argv[2], argv + 2);
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perror("execvp");
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exit(1);
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}
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