Check an arguments count before proceed in sysctl_handler().
PR: bin/56298 Submitted by: Kang Liu <liukang@bjpu.edu.cn> MFC after: 2 weeks # We need a regression test suit for ipfw(2)/ipfw(8) badly.
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2020-12-20 02:59:44 +00:00
svn path=/head/; revision=119668
@ -1643,7 +1643,7 @@ sysctl_handler(int ac, char *av[], int which)
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ac--;
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av++;
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if (*av == NULL) {
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if (ac == 0) {
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warnx("missing keyword to enable/disable\n");
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} else if (strncmp(*av, "firewall", strlen(*av)) == 0) {
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sysctlbyname("net.inet.ip.fw.enable", NULL, 0,
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