Attachment 243347 Details for Bug 272459 – a test program to articulate how I think the ioctl interface is supposed to work

a test program to articulate how I think the ioctl interface is supposed to work

pf-test.c (text/plain), 1.36 KB, created by alex on 2023-07-12 02:34:01 UTC

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Creator: alex

Created: 2023-07-12 02:34:01 UTC

Size: 1.36 KB

patch

obsolete

>#include <assert.h>
>#include <errno.h>
>#include <fcntl.h>
>#include <stdio.h>
>#include <string.h>
>#include <strings.h>
>
>#include <sys/ioctl.h>
>
>#include <net/if.h>
>#include <net/pfvar.h>
>#include <netpfil/pf/pf.h>
>
>int main() {
>	struct pfioc_ruleset ruleset;
>	int ret, fd;
>	const char *bogus_table = "bogus_table";
>
>	fd = open("/dev/pf", O_RDONLY);
>	assert(fd >= 0);
>
>	// If the parent anchor at path can't be found, we get ENOENT
>	bzero(&ruleset, sizeof(struct pfioc_ruleset));
>	bcopy(bogus_table, ruleset.path, strlen(bogus_table));
>	ret = ioctl(fd, DIOCGETRULESETS, &ruleset);
>	assert(ret != 0);
>	assert(errno == ENOENT);
>
>	// If the parent anchor at path can't be found, we get ENOENT
>	bzero(&ruleset, sizeof(struct pfioc_ruleset));
>	bcopy(bogus_table, ruleset.path, strlen(bogus_table));
>	ret = ioctl(fd, DIOCGETRULESET, &ruleset);
>	assert(ret != 0);
>	assert(errno == ENOENT);
>
>	// We should always have a root anchor. Let's see how many anchors are directly attached
>	bzero(&ruleset, sizeof(struct pfioc_ruleset));
>	ret = ioctl(fd, DIOCGETRULESETS, &ruleset);
>	assert(ret == 0);
>	int ruleset_count = ruleset.nr;
>	
>	// If the requested index is beyond the number of anchors that exist at a path, we get EBUSY
>	bzero(&ruleset, sizeof(struct pfioc_ruleset));
>	ruleset.nr = ruleset_count + 1;
>	ret = ioctl(fd, DIOCGETRULESET, &ruleset);
>	assert(ret != 0);
>	assert(errno == EBUSY);
>
>	return 0;
>}

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