Differential D25905 Diff 75918 sbin/fsck_msdosfs/main.c

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sbin/fsck_msdosfs/main.c

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#endif /* not lint */		#endif /* not lint */

#include <stdlib.h>		#include <stdlib.h>
#include <string.h>		#include <string.h>
#include <stdio.h>		#include <stdio.h>
#include <unistd.h>		#include <unistd.h>
#include <errno.h>		#include <errno.h>
#include <stdarg.h>		#include <stdarg.h>
		#include <err.h>

		#ifdef HAVE_CAPSICUM
		#include <libcasper.h>
		#include <casper/cap_fileargs.h>
		#include <capsicum_helpers.h>
		#endif

#include "fsutil.h"		#include "fsutil.h"
#include "ext.h"		#include "ext.h"

int alwaysno; /* assume "no" for all questions */		int alwaysno; /* assume "no" for all questions */
int alwaysyes; /* assume "yes" for all questions */		int alwaysyes; /* assume "yes" for all questions */
int preen; /* set when preening */		int preen; /* set when preening */
int rdonly; /* device is opened read only (supersedes above) */		int rdonly; /* device is opened read only (supersedes above) */
int skipclean; /* skip clean file systems if preening */		int skipclean; /* skip clean file systems if preening */
Show All 9 Lines	fprintf(stderr, "%s\n%s\n",
"usage: fsck_msdosfs -p [-f] filesystem ...",		"usage: fsck_msdosfs -p [-f] filesystem ...",
" fsck_msdosfs [-ny] filesystem ...");		" fsck_msdosfs [-ny] filesystem ...");
exit(1);		exit(1);
}		}

int		int
main(int argc, char **argv)		main(int argc, char **argv)
{		{
		int dosfs;
int ret = 0, erg;		int ret = 0, erg;
int ch;		int ch;
		char *fname;
		#ifdef HAVE_CAPSICUM
		cap_rights_t rights, *rights_init;
		fileargs_t *fa_alwaysno;
		fileargs_t *fa_rdonly;
		#endif

skipclean = 1;		skipclean = 1;
allow_mmap = 1;		allow_mmap = 1;
while ((ch = getopt(argc, argv, "CfFnpyM")) != -1) {		while ((ch = getopt(argc, argv, "CfFnpyM")) != -1) {
switch (ch) {		switch (ch) {
case 'C': /* for fsck_ffs compatibility */		case 'C': /* for fsck_ffs compatibility */
break;		break;
case 'f':		case 'f':
Show All 32 Lines	while ((ch = getopt(argc, argv, "CfFnpyM")) != -1) {
}		}
}		}
argc -= optind;		argc -= optind;
argv += optind;		argv += optind;

if (!argc)		if (!argc)
usage();		usage();

		#ifdef HAVE_CAPSICUM
		rights_init = cap_rights_init(&rights, CAP_MMAP_RW);
		oshogboUnsubmitted Not Done Inline Actions fileargs_init creates an casper instance, it's not a big deal but we may use fileargs_cinit and create casper only once. oshogbo: fileargs_init creates an casper instance, it's not a big deal but we may use fileargs_cinit and…
		fa_alwaysno = fileargs_init(argc, argv, alwaysno ? O_RDONLY : O_RDWR , 0,
		rights_init, FA_OPEN);
		if (fa_alwaysno == NULL)
		err(1, "unable to open first system.fileargs service");

		fa_rdonly = fileargs_init(argc, argv, O_RDONLY , 0,
		oshogboUnsubmitted Not Done Inline Actions I'm not sure I'm getting this cap_right_init part. The ident is broken. oshogbo: I'm not sure I'm getting this cap_right_init part. The ident is broken.
		rights_init, FA_OPEN);
		if (fa_rdonly == NULL)
		err(1, "unable to second open system.fileargs service");

		/*
		* Here we enter capability mode. Further down access to global
		* namespaces (e.g filesystem) is restricted (see capsicum(4)).
		* We must connect(2) our socket before this point.
		oshogboUnsubmitted Not Done Inline Actions Connect? oshogbo: Connect?
		*/

		oshogboUnsubmitted Not Done Inline Actions caph_enter_casper? oshogbo: caph_enter_casper?
		if (caph_enter_casper() < 0) {
		err(1, "unable to enter capability mode");
		}
		#endif

while (--argc >= 0) {		while (--argc >= 0) {
setcdevname(*argv, preen);		setcdevname(*argv, preen);
erg = checkfilesys(*argv++);		fname = *argv++;
		rdonly = alwaysno;
		if (!preen)
		printf("** %s", fname);

		#ifdef HAVE_CAPSICUM
		dosfs = fileargs_open(fa_alwaysno, fname);
		if (dosfs < 0 && !rdonly) {
		dosfs = fileargs_open(fa_rdonly, fname);
		#else
		dosfs = open(fname, rdonly ? O_RDONLY : O_RDWR, 0);
		if (dosfs < 0 && !rdonly) {
		dosfs = open(fname, O_RDONLY, 0);
		#endif
		if (dosfs >= 0)
		pwarn(" (NO WRITE)\n");
		else if (!preen)
		printf("\n");
		rdonly = 1;
		} else if (!preen)
		printf("\n");
		erg = checkfilesys(fname, dosfs);
if (erg > ret)		if (erg > ret)
ret = erg;		ret = erg;
}		}

		#ifdef HAVE_CAPSICUM
		fileargs_free(fa_alwaysno);
		fileargs_free(fa_rdonly);
		#endif

return ret;		return ret;
}		}


/VARARGS/		/VARARGS/
int		int
ask(int def, const char *fmt, ...)		ask(int def, const char *fmt, ...)
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