Author: cem Date: Mon Sep 19 16:16:14 2016 New Revision: 305983 URL: https://svnweb.freebsd.org/changeset/base/305983
Log: indent(1): Capsicumify This is a nice and trivial program for sandboxing. One input file, one output file. Reviewed by: pfg Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D7920 Modified: head/usr.bin/indent/indent.c Modified: head/usr.bin/indent/indent.c ============================================================================== --- head/usr.bin/indent/indent.c Mon Sep 19 16:14:38 2016 (r305982) +++ head/usr.bin/indent/indent.c Mon Sep 19 16:16:14 2016 (r305983) @@ -50,8 +50,10 @@ static char sccsid[] = "@(#)indent.c 5.1 #include <sys/cdefs.h> __FBSDID("$FreeBSD$"); +#include <sys/capsicum.h> #include <sys/param.h> #include <err.h> +#include <errno.h> #include <fcntl.h> #include <unistd.h> #include <stdio.h> @@ -74,6 +76,7 @@ char bakfile[MAXPATHLEN] = ""; int main(int argc, char **argv) { + cap_rights_t rights; int dec_ind; /* current indentation for declarations */ int di_stack[20]; /* a stack of structure indentation levels */ @@ -234,6 +237,17 @@ main(int argc, char **argv) bakcopy(); } } + + /* Restrict input/output descriptors and enter Capsicum sandbox. */ + cap_rights_init(&rights, CAP_FSTAT, CAP_WRITE); + if (cap_rights_limit(fileno(output), &rights) < 0 && errno != ENOSYS) + err(EXIT_FAILURE, "unable to limit rights for %s", out_name); + cap_rights_init(&rights, CAP_FSTAT, CAP_READ); + if (cap_rights_limit(fileno(input), &rights) < 0 && errno != ENOSYS) + err(EXIT_FAILURE, "unable to limit rights for %s", in_name); + if (cap_enter() < 0 && errno != ENOSYS) + err(EXIT_FAILURE, "unable to enter capability mode"); + if (ps.com_ind <= 1) ps.com_ind = 2; /* dont put normal comments before column 2 */ if (troff) { _______________________________________________ svn-src-head@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
