Convert cap_enter() < 0 && errno != ENOSYS to caph_enter() < 0.

No functional change intended.

bin/dd/dd.c

@@ -98,7 +98,7 @@ main(int argc __unused, char *argv[])
 	setup();
 
 	caph_cache_catpages();
-	if (cap_enter() == -1 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	(void)signal(SIGINFO, siginfo_handler);

bin/echo/echo.c

@@ -82,7 +82,7 @@ main(int argc, char *argv[])
 	char newline[] = "\n";
 	char *progname = argv[0];
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	/* This utility may NOT do getopt(3) option parsing. */

bin/sleep/sleep.c

@@ -70,7 +70,7 @@ main(int argc, char *argv[])
 	time_t original;
 	char buf[2];
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	if (argc != 2)

bin/uuidgen/uuidgen.c

@@ -86,7 +86,7 @@ main(int argc, char *argv[])
 	caph_cache_catpages();
 	if (caph_limit_stdio() < 0)
 		err(1, "Unable to limit stdio");
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "Unable to enter capability mode");
 
 	if (count == -1)

contrib/dma/dma-mbox-create.c

@@ -166,7 +166,7 @@ main(int argc, char **argv)
 		err(EX_OSERR, "can't limit maildirfd rights");
 
 	/* Enter Capsicum capability sandbox */
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(EX_OSERR, "cap_enter");
 #endif
 

sbin/decryptcore/decryptcore.c

@@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/wait.h>
 
 #include <ctype.h>
+#include <capsicum_helpers.h>
 #include <fcntl.h>
 #include <stdbool.h>
 #include <stdlib.h>
@@ -167,7 +168,7 @@ decrypt(int ofd, const char *privkeyfile, const char *keyfile,
 		goto failed;
 	}
 
-	if (cap_enter() < 0 && errno != ENOSYS) {
+	if (caph_enter() < 0) {
 		pjdlog_errno(LOG_ERR, "Unable to enter capability mode");
 		goto failed;
 	}

sbin/dhclient/dhclient.c

@@ -64,6 +64,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/capsicum.h>
 #include <sys/endian.h>
 
+#include <capsicum_helpers.h>
+
 #include <net80211/ieee80211_freebsd.h>
 
 #ifndef _PATH_VAREMPTY
@@ -539,7 +541,7 @@ main(int argc, char *argv[])
 
 	setproctitle("%s", ifi->name);
 
-	if (CASPER_SUPPORT && cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter_casper() < 0)
 		error("can't enter capability mode: %m");
 
 	if (immediate_daemon)

sbin/dumpon/dumpon.c

@@ -50,6 +50,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/sysctl.h>
 
 #include <assert.h>
+#include <capsicum_helpers.h>
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -227,7 +228,7 @@ genkey(const char *pubkeyfile, struct diocskerneldump_arg *kdap)
 	if (fp == NULL)
 		err(1, "Unable to open %s", pubkeyfile);
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "Unable to enter capability mode");
 
 	pubkey = RSA_new();

sbin/md5/md5.c

@@ -228,8 +228,7 @@ main(int argc, char *argv[])
 			if (*(argv + 1) == NULL) {
 				cap_rights_init(&rights, CAP_READ);
 				if ((cap_rights_limit(fd, &rights) < 0 &&
-				    errno != ENOSYS) ||
-				    (cap_enter() < 0 && errno != ENOSYS))
+				    errno != ENOSYS) || caph_enter() < 0)
 					err(1, "capsicum");
 			}
 			if ((p = Algorithm[digest].Fd(fd, buf)) == NULL) {
@@ -253,8 +252,7 @@ main(int argc, char *argv[])
 			}
 		} while (*++argv);
 	} else if (!sflag && (optind == 1 || qflag || rflag)) {
-		if (caph_limit_stdin() < 0 ||
-		    (cap_enter() < 0 && errno != ENOSYS))
+		if (caph_limit_stdin() < 0 || caph_enter() < 0)
 			err(1, "capsicum");
 		MDFilter(&Algorithm[digest], 0);
 	}

usr.bin/basename/basename.c

@@ -67,7 +67,7 @@ main(int argc, char **argv)
 
 	setlocale(LC_ALL, "");
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	aflag = 0;

usr.bin/cmp/cmp.c

@@ -188,7 +188,7 @@ main(int argc, char *argv[])
 
 	caph_cache_catpages();
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(ERR_EXIT, "unable to enter capability mode");
 
 	if (!special) {

usr.bin/col/col.c

@@ -144,7 +144,7 @@ main(int argc, char **argv)
 	if (caph_limit_stdio() == -1)
 		err(1, "unable to limit stdio");
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	max_bufd_lines = 256;

usr.bin/diff/diffreg.c

@@ -334,7 +334,7 @@ diffreg(char *file1, char *file2, int flags, int capsicum)
 
 		caph_cache_catpages();
 		caph_cache_tzdata();
-		if (cap_enter() < 0 && errno != ENOSYS)
+		if (caph_enter() < 0)
 			err(2, "unable to enter capability mode");
 	}
 

usr.bin/diff3/diff3.c

@@ -756,7 +756,7 @@ main(int argc, char **argv)
 	nleft++;
 
 	caph_cache_catpages();
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(2, "unable to enter capability mode");
 
 	/* parse diffs */

usr.bin/dirname/dirname.c

@@ -56,7 +56,7 @@ main(int argc, char **argv)
 	char *p;
 	int ch;
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	while ((ch = getopt(argc, argv, "")) != -1)

usr.bin/elfdump/elfdump.c

@@ -579,7 +579,7 @@ main(int ac, char **av)
 	    caph_limit_stdout() < 0 || caph_limit_stderr() < 0) {
                 err(1, "unable to limit rights for stdio");
 	}
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 	e = mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd, 0);
 	if (e == MAP_FAILED)

usr.bin/getopt/getopt.c

@@ -19,7 +19,7 @@ main(int argc, char *argv[])
 	int c;
 	int status = 0;
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	optind = 2;	/* Past the program name and the option letters. */

usr.bin/hexdump/display.c

@@ -372,7 +372,7 @@ next(char **argv)
 		 * We've opened our last input file; enter capsicum sandbox.
 		 */
 		if (statok == 0 || *(_argv + 1) == NULL) {
-			if (cap_enter() < 0 && errno != ENOSYS)
+			if (caph_enter() < 0)
 				err(1, "unable to enter capability mode");
 		}
 

usr.bin/iconv/iconv.c

@@ -216,7 +216,7 @@ main(int argc, char **argv)
 		err(EXIT_FAILURE, "iconv_open(%s, %s)", opt_t, opt_f);
 
 	if (argc == 0) {
-		if (cap_enter() < 0 && errno != ENOSYS)
+		if (caph_enter() < 0)
 			err(EXIT_FAILURE, "unable to enter capability mode");
 		res = do_conv(stdin, cd, opt_s, opt_c);
 	} else {
@@ -228,7 +228,7 @@ main(int argc, char **argv)
 				err(EXIT_FAILURE, "Cannot open `%s'",
 				    argv[i]);
 			/* Enter Capsicum sandbox for final input file. */
-			if (i + 1 == argc && cap_enter() < 0 && errno != ENOSYS)
+			if (i + 1 == argc && caph_enter() < 0)
 				err(EXIT_FAILURE,
 				    "unable to enter capability mode");
 			res |= do_conv(fp, cd, opt_s, opt_c);

usr.bin/ident/ident.c

@@ -256,7 +256,7 @@ main(int argc, char **argv)
 	}
 
 	/* Enter Capsicum sandbox. */
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(EXIT_FAILURE, "unable to enter capability mode");
 
 	for (i = 0; i < (int)nfds; i++) {

usr.bin/indent/indent.c

@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 
 #include <sys/param.h>
 #include <sys/capsicum.h>
+#include <capsicum_helpers.h>
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -248,7 +249,7 @@ main(int argc, char **argv)
     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)
+    if (caph_enter() < 0)
 	err(EXIT_FAILURE, "unable to enter capability mode");
 
     if (opt.com_ind <= 1)

usr.bin/jot/jot.c

@@ -123,7 +123,7 @@ main(int argc, char **argv)
 	 */
 	caph_cache_catpages();
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	while ((ch = getopt(argc, argv, "b:cnp:rs:w:")) != -1)

usr.bin/kdump/kdump.c

@@ -434,12 +434,12 @@ main(int argc, char *argv[])
 		}
 	}
 	if (resolv == 0 || (cappwd != NULL && capgrp != NULL)) {
-		if (cap_enter() < 0 && errno != ENOSYS)
+		if (caph_enter() < 0)
 			err(1, "unable to enter capability mode");
 	}
 #else
 	if (resolv == 0) {
-		if (cap_enter() < 0 && errno != ENOSYS)
+		if (caph_enter() < 0)
 			err(1, "unable to enter capability mode");
 	}
 #endif

usr.bin/ktrdump/ktrdump.c

@@ -203,7 +203,7 @@ main(int ac, char **av)
 	 * kvm_nlist() above uses kldsym(2) for native kernels, and that isn't
 	 * allowed in the sandbox.
 	 */
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	if (iflag) {

usr.bin/lam/lam.c

@@ -99,7 +99,7 @@ main(int argc, char *argv[])
 	 * mode.
 	 */
 	caph_cache_catpages();
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	for (;;) {

usr.bin/last/last.c

@@ -190,7 +190,7 @@ main(int argc, char *argv[])
 	if (setutxdb(UTXDB_LOG, file) != 0)
 		err(1, "%s", file != NULL ? file : "(default utx db)");
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "cap_enter");
 
 	if (sflag && width == 8) usage();

usr.bin/locate/bigram/locate.bigram.c

@@ -61,7 +61,6 @@ static char sccsid[] = "@(#)locate.bigram.c	8.1 (Berkeley) 6/6/93";
 
 #include <capsicum_helpers.h>
 #include <err.h>
-#include <errno.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <sys/param.h>			/* for MAXPATHLEN */
@@ -78,7 +77,7 @@ main(void)
 	u_char *oldpath = buf1, *path = buf2;
 	u_int i, j;
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
      	while (fgets(path, sizeof(buf2), stdin) != NULL) {

usr.bin/logname/logname.c

@@ -54,7 +54,7 @@ main(int argc, char *argv[] __unused)
 {
 	char *p;
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	if (argc != 1)

usr.bin/ministat/ministat.c

@@ -634,7 +634,7 @@ main(int argc, char **argv)
 			    setfilenames[i]);
 
 	/* Enter Capsicum sandbox. */
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(2, "unable to enter capability mode");
 
 	for (i = 0; i < nds; i++) {

usr.bin/pom/pom.c

@@ -97,7 +97,7 @@ main(int argc, char **argv)
 		err(1, "unable to limit capabitilities for stdio");
 
 	caph_cache_catpages();
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	while ((ch = getopt(argc, argv, "d:pt:")) != -1)

usr.bin/primes/primes.c

@@ -61,7 +61,7 @@ static const char rcsid[] =
  * validation check: there are 664579 primes between 0 and 10^7
  */
 
-#include <sys/capsicum.h>
+#include <capsicum_helpers.h>
 #include <ctype.h>
 #include <err.h>
 #include <errno.h>
@@ -104,7 +104,7 @@ main(int argc, char *argv[])
 	/* Cache NLS data, for strerror, for err(3), before cap_enter. */
 	(void)catopen("libc", NL_CAT_LOCALE);
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "cap_enter");
 
 	while ((ch = getopt(argc, argv, "h")) != -1)

usr.bin/printenv/printenv.c

@@ -69,7 +69,7 @@ main(int argc, char *argv[])
 	size_t len;
 	int ch;
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	while ((ch = getopt(argc, argv, "")) != -1)

usr.bin/rwho/rwho.c

@@ -51,6 +51,7 @@ __FBSDID("$FreeBSD$");
 
 #include <protocols/rwhod.h>
 
+#include <capsicum_helpers.h>
 #include <dirent.h>
 #include <err.h>
 #include <errno.h>
@@ -136,7 +137,7 @@ main(int argc, char *argv[])
 	 */
 	(void) time(&ct);
 	(void) localtime(&ct);
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "cap_enter");
 	(void) time(&now);
 	cap_rights_init(&rights, CAP_READ);

usr.bin/tee/tee.c

@@ -109,7 +109,7 @@ main(int argc, char *argv[])
 		} else
 			add(fd, *argv);
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(EXIT_FAILURE, "unable to enter capability mode");
 	while ((rval = read(STDIN_FILENO, buf, BSIZE)) > 0)
 		for (p = head; p; p = p->next) {

usr.bin/tr/tr.c

@@ -84,7 +84,7 @@ main(int argc, char **argv)
 	if (caph_limit_stdio() == -1)
 		err(1, "unable to limit stdio");
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	Cflag = cflag = dflag = sflag = 0;

usr.bin/uniq/uniq.c

@@ -48,6 +48,7 @@ static const char rcsid[] =
 
 #include <sys/capsicum.h>
 
+#include <capsicum_helpers.h>
 #include <ctype.h>
 #include <err.h>
 #include <errno.h>
@@ -177,7 +178,7 @@ main (int argc, char *argv[])
 	}
 
 	strerror_init();
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "unable to enter capability mode");
 
 	prevbuflen = thisbuflen = 0;

usr.bin/units/units.c

@@ -33,7 +33,7 @@ static const char rcsid[] =
 #include <string.h>
 #include <unistd.h>
 
-#include <sys/capsicum.h>
+#include <capsicum_helpers.h>
 
 #ifndef UNITSFILE
 #define UNITSFILE "/usr/share/misc/definitions.units"
@@ -819,7 +819,7 @@ main(int argc, char **argv)
 		readunits(NULL);
 
 	if (optind == argc - 2) {
-		if (cap_enter() < 0 && errno != ENOSYS)
+		if (caph_enter() < 0)
 			err(1, "unable to enter capability mode");
 
 		havestr = argv[optind];
@@ -843,7 +843,7 @@ main(int argc, char **argv)
 		if (inhistory == 0)
 			err(1, "Could not initialize history");
 
-		if (cap_enter() < 0 && errno != ENOSYS)
+		if (caph_enter() < 0)
 			err(1, "unable to enter capability mode");
 
 		if (!quiet)

usr.bin/write/write.c

@@ -137,7 +137,7 @@ main(int argc, char **argv)
 			login = "???";
 	}
 
-	if (cap_enter() < 0 && errno != ENOSYS)
+	if (caph_enter() < 0)
 		err(1, "cap_enter");
 
 	while (getopt(argc, argv, "") != -1)

usr.bin/yes/yes.c

@@ -60,7 +60,7 @@ main(int argc, char **argv)
 	size_t more;
 	ssize_t ret;
 
-	if (caph_limit_stdio() < 0 || (cap_enter() < 0 && errno != ENOSYS))
+	if (caph_limit_stdio() < 0 || caph_enter() < 0)
 		err(1, "capsicum");
 
 	if (argc > 1) {

usr.sbin/bhyve/bhyverun.c

@@ -1114,7 +1114,7 @@ main(int argc, char *argv[])
 	if (caph_limit_stdout() == -1 || caph_limit_stderr() == -1)
 		errx(EX_OSERR, "Unable to apply rights for sandbox");
 
-	if (cap_enter() == -1 && errno != ENOSYS)
+	if (caph_enter() == -1)
 		errx(EX_OSERR, "cap_enter() failed");
 #endif
 

usr.sbin/rwhod/rwhod.c

@@ -63,6 +63,7 @@ __FBSDID("$FreeBSD$");
 #include <protocols/rwhod.h>
 
 #include <ctype.h>
+#include <capsicum_helpers.h>
 #include <err.h>
 #include <errno.h>
 #include <fcntl.h>
@@ -372,7 +373,7 @@ receiver_process(void)
 		syslog(LOG_WARNING, "cap_rights_limit: %m");
 		exit(1);
 	}
-	if (cap_enter() < 0 && errno != ENOSYS) {
+	if (caph_enter() < 0) {
 		syslog(LOG_ERR, "cap_enter: %m");
 		exit(1);
 	}