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glibc/inet/tst-inet6_rth.c
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#include <stdio.h> | |
#include <string.h> | |
#include <arpa/inet.h> | |
#include <netinet/ip6.h> | |
static int | |
do_test (void) | |
{ | |
int res = 0; | |
char buf[1000]; | |
void *p = inet6_rth_init (buf, 24, IPV6_RTHDR_TYPE_0, 0); | |
if (p == NULL) | |
{ | |
puts ("first inet6_rth_init failed"); | |
res = 1; | |
} | |
else if (inet6_rth_add (p, &in6addr_any) == 0) | |
{ | |
puts ("first inet6_rth_add succeeded"); | |
res = 1; | |
} | |
p = inet6_rth_init (buf, 24, IPV6_RTHDR_TYPE_0, 1); | |
if (p == NULL) | |
{ | |
puts ("second inet6_rth_init failed"); | |
res = 1; | |
} | |
else if (inet6_rth_add (p, &in6addr_any) != 0) | |
{ | |
puts ("second inet6_rth_add failed"); | |
res = 1; | |
} | |
for (int nseg = 4; nseg < 6; ++nseg) | |
{ | |
printf ("nseg = %d\n", nseg); | |
p = inet6_rth_init (buf, sizeof (buf), IPV6_RTHDR_TYPE_0, nseg); | |
if (p == NULL) | |
{ | |
puts ("third inet6_rth_init failed"); | |
res = 1; | |
} | |
else | |
{ | |
struct in6_addr tmp; | |
memset (&tmp, '\0', sizeof (tmp)); | |
for (int i = 0; i < nseg; ++i) | |
{ | |
tmp.s6_addr[0] = i; | |
if (inet6_rth_add (p, &tmp) != 0) | |
{ | |
printf ("call %d of third inet6_rth_add failed\n", i + 1); | |
res = 1; | |
goto out; | |
} | |
} | |
((struct ip6_rthdr0 *) p)->ip6r0_segleft = 0; | |
if (inet6_rth_segments (p) != nseg) | |
{ | |
puts ("\ | |
inet6_rth_segments returned wrong value after loop with third inet6_rth_add"); | |
res = 1; | |
goto out; | |
} | |
union | |
{ | |
char buffer[1000]; | |
struct ip6_rthdr0 rthdr0; | |
} buf2; | |
if (inet6_rth_reverse (p, buf2.buffer) != 0) | |
{ | |
puts ("first inet6_rth_reverse call failed"); | |
res = 1; | |
goto out; | |
} | |
if (buf2.rthdr0.ip6r0_segleft != nseg) | |
{ | |
puts ("segleft after first inet6_rth_reverse wrong"); | |
res = 1; | |
} | |
if (inet6_rth_segments (p) != inet6_rth_segments (buf2.buffer)) | |
{ | |
puts ("number of seconds after first inet6_rth_reverse differs"); | |
res = 1; | |
goto out; | |
} | |
for (int i = 0; i < nseg; ++i) | |
{ | |
struct in6_addr *addr = inet6_rth_getaddr (buf2.buffer, i); | |
if (addr == NULL) | |
{ | |
printf ("call %d of first inet6_rth_getaddr failed\n", | |
i + 1); | |
res = 1; | |
} | |
else if (addr->s6_addr[0] != nseg - 1 - i | |
|| memcmp (&addr->s6_addr[1], &in6addr_any.s6_addr[1], | |
sizeof (in6addr_any) | |
- sizeof (in6addr_any.s6_addr[0])) != 0) | |
{ | |
char addrbuf[100]; | |
inet_ntop (AF_INET6, addr, addrbuf, sizeof (addrbuf)); | |
printf ("\ | |
address %d after first inet6_rth_reverse wrong (%s)\n", | |
i + 1, addrbuf); | |
res = 1; | |
} | |
} | |
out: | |
; | |
} | |
p = inet6_rth_init (buf, sizeof (buf), IPV6_RTHDR_TYPE_0, nseg); | |
if (p == NULL) | |
{ | |
puts ("fourth inet6_rth_init failed"); | |
res = 1; | |
} | |
else | |
{ | |
struct in6_addr tmp; | |
memset (&tmp, '\0', sizeof (tmp)); | |
for (int i = 0; i < nseg; ++i) | |
{ | |
tmp.s6_addr[0] = i; | |
if (inet6_rth_add (p, &tmp) != 0) | |
{ | |
printf ("call %d of fourth inet6_rth_add failed\n", i + 1); | |
res = 1; | |
goto out2; | |
} | |
} | |
((struct ip6_rthdr0 *) p)->ip6r0_segleft = 0; | |
if (inet6_rth_segments (p) != nseg) | |
{ | |
puts ("\ | |
inet6_rth_segments returned wrong value after loop with fourth inet6_rth_add"); | |
res = 1; | |
goto out2; | |
} | |
if (inet6_rth_reverse (p, p) != 0) | |
{ | |
puts ("second inet6_rth_reverse call failed"); | |
res = 1; | |
goto out2; | |
} | |
if (((struct ip6_rthdr0 *) p)->ip6r0_segleft != nseg) | |
{ | |
puts ("segleft after second inet6_rth_reverse wrong"); | |
res = 1; | |
} | |
for (int i = 0; i < nseg; ++i) | |
{ | |
struct in6_addr *addr = inet6_rth_getaddr (p, i); | |
if (addr == NULL) | |
{ | |
printf ("call %d of second inet6_rth_getaddr failed\n", | |
i + 1); | |
res = 1; | |
} | |
else if (addr->s6_addr[0] != nseg - 1 - i | |
|| memcmp (&addr->s6_addr[1], &in6addr_any.s6_addr[1], | |
sizeof (in6addr_any) | |
- sizeof (in6addr_any.s6_addr[0])) != 0) | |
{ | |
char addrbuf[100]; | |
inet_ntop (AF_INET6, addr, addrbuf, sizeof (addrbuf)); | |
printf ("\ | |
address %d after second inet6_rth_reverse wrong (%s)\n", | |
i + 1, addrbuf); | |
res = 1; | |
} | |
} | |
out2: | |
; | |
} | |
} | |
return res; | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |