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-rw-r--r--usr.sbin/setfib/setfib.c103
1 files changed, 103 insertions, 0 deletions
diff --git a/usr.sbin/setfib/setfib.c b/usr.sbin/setfib/setfib.c
new file mode 100644
index 0000000..3b15224
--- /dev/null
+++ b/usr.sbin/setfib/setfib.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright (c) 1989, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ * Copyright (c) 2008 Cisco Systems, All rights reserved
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * setfib file skelaton taken from nice.c
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+
+#include <errno.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/sysctl.h>
+
+void usage(void);
+
+int
+main(int argc, char *argv[])
+{
+ long fib = 0;
+ int ch;
+ char *ep;
+ int numfibs;
+ int intsize = sizeof(int);
+
+ if (sysctlbyname("net.fibs", &numfibs, &intsize, NULL, 0) == -1)
+ errx(1, "Multiple FIBS not supported");
+ if (argc < 2)
+ usage();
+ ep = argv[1];
+ /*
+ * convert -N or N to -FN. (N is a number)
+ */
+ if (ep[0]== '-' && isdigit((unsigned char)ep[1]))
+ ep++;
+ if (isdigit((unsigned char)*ep))
+ if (asprintf(&argv[1], "-F%s", ep) < 0)
+ err(1, "asprintf");
+
+ while ((ch = getopt(argc, argv, "F:")) != -1) {
+ switch (ch) {
+ case 'F':
+ errno = 0;
+ fib = strtol(optarg, &ep, 10);
+ if (ep == optarg || *ep != '\0' || errno ||
+ fib < 0 || fib >= numfibs)
+ errx(1, "%s: invalid FIB (max %s)",
+ optarg, numfibs - 1);
+ break;
+ default:
+ usage();
+ }
+ }
+ argc -= optind;
+ argv += optind;
+
+ if (argc == 0)
+ usage();
+
+ errno = 0;
+ if (syscall(175, (int)fib))
+ warn("setfib");
+ execvp(*argv, argv);
+ err(errno == ENOENT ? 127 : 126, "%s", *argv);
+}
+
+void
+usage(void)
+{
+
+ (void)fprintf(stderr,
+ "usage: setfib [-[F]]value command");
+ exit(1);
+}
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