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unix tests: Add a regression test for getpeername(2)

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Ensure that it works as expected when applied to a self-connected
socket.

MFC after:	1 week
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Mark Johnston 2023-06-21 14:33:52 -04:00
parent 712079d381
commit 383d51d592
1 changed files with 29 additions and 1 deletions
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30
tests/sys/kern/unix_dgram.c
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@ -36,6 +36,7 @@
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
#include <atf-c.h>
@ -363,12 +364,39 @@ ATF_TC_BODY(event, tc)
test42(fd[0]);
}
ATF_TC_WITHOUT_HEAD(selfgetpeername);
ATF_TC_BODY(selfgetpeername, tc)
{
struct sockaddr_un sun;
const char *name;
socklen_t len;
int sd;
name = "selfgetpeername";
sd = socket(PF_UNIX, SOCK_DGRAM, 0);
ATF_REQUIRE(sd != -1);
memset(&sun, 0, sizeof(sun));
sun.sun_len = sizeof(sun);
sun.sun_family = AF_UNIX;
snprintf(sun.sun_path, sizeof(sun.sun_path), "%s", name);
ATF_REQUIRE(bind(sd, (struct sockaddr *)&sun, sizeof(sun)) == 0);
ATF_REQUIRE(connect(sd, (struct sockaddr *)&sun, sizeof(sun)) == 0);
len = sizeof(sun);
ATF_REQUIRE(getpeername(sd, (struct sockaddr *)&sun, &len) == 0);
ATF_REQUIRE(strcmp(sun.sun_path, name) == 0);
ATF_REQUIRE(close(sd) == 0);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, basic);
ATF_TP_ADD_TC(tp, one2many);
ATF_TP_ADD_TC(tp, event);
ATF_TP_ADD_TC(tp, selfgetpeername);
return (atf_no_error());
}