Latest and greatest.
-Erik
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@ -20,8 +20,9 @@
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*/
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#include "internal.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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static const char chroot_usage[] = "NEWROOT [COMMAND...]\n"
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@ -31,18 +32,17 @@ static const char chroot_usage[] = "NEWROOT [COMMAND...]\n"
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int chroot_main(int argc, char **argv)
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{
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if (argc < 2) {
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if ( (argc < 2) || (**(argv+1) == '-') ) {
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fprintf(stderr, "Usage: %s %s", *argv, chroot_usage);
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return( FALSE);
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exit( FALSE);
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}
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argc--;
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argv++;
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fprintf(stderr, "new root: %s\n", *argv);
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if (chroot (*argv) || (chdir ("/"))) {
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perror("cannot chroot");
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return( FALSE);
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fprintf(stderr, "chroot: cannot change root directory to %s: %s\n",
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*argv, strerror(errno));
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exit( FALSE);
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}
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argc--;
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@ -56,10 +56,10 @@ int chroot_main(int argc, char **argv)
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prog = getenv ("SHELL");
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if (!prog)
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prog = "/bin/sh";
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fprintf(stderr, "no command. running: %s\n", prog);
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execlp (prog, prog, NULL);
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}
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perror("cannot exec");
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return(FALSE);
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fprintf(stderr, "chroot: cannot execute %s: %s\n",
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*argv, strerror(errno));
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exit( FALSE);
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}
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