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annotate toys/other/chroot.c @ 656:6df4ccc0acbe

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Regularize command headers, update links to standards documents.
author Rob Landley <rob@landley.net>
date Sat, 25 Aug 2012 18:08:51 -0500
parents 2986aa63a021
children 786841fdb1e0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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d4176f3f3835 Zap toys/Config.in and instead create generated/Config.in from contents of
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1 /* vi: set sw=4 ts=4:
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2 *
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3 * chroot.c - Run command in new root directory.
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4 *
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5 * Copyright 2007 Rob Landley <rob@landley.net>
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6
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064fc1b8b7b1 Chroot should stop option parsing at the first non-option argument.
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7 USE_CHROOT(NEWTOY(chroot, "^<1", TOYFLAG_USR|TOYFLAG_SBIN))
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163498bf547b Move NEWTOY() list from end of toylist.h to generated/newtoys.h.
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8
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9 config CHROOT
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10 bool "chroot"
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11 default y
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12 help
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13 usage: chroot NEWPATH [commandline...]
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14
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15 Run command within a new root directory. If no command, run /bin/sh.
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16 */
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17
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18 #include "toys.h"
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19
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20 void chroot_main(void)
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21 {
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22 char *binsh[] = {"/bin/sh", "-i", 0};
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23 if (chdir(*toys.optargs) || chroot("."))
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24 perror_exit("%s", *toys.optargs);
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25 xexec(toys.optargs[1] ? toys.optargs+1 : binsh);
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26 }