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|
/* vim:ts=8:sts=8:sw=4:noai:noexpandtab
*
* unit tests for PGM packet handling.
*
* Copyright (c) 2009-2010 Miru Limited.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <signal.h>
#include <stdbool.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <glib.h>
#include <check.h>
/* mock state */
#define PACKET_DEBUG
#include "packet_parse.c"
static
struct pgm_sk_buff_t*
generate_raw_pgm (void)
{
const char source[] = "i am not a string";
const guint source_len = sizeof(source);
struct pgm_sk_buff_t* skb;
GError* err = NULL;
skb = pgm_alloc_skb (1500);
skb->sock = (pgm_sock_t*)0x1;
skb->tstamp = 0x1;
skb->data = skb->head;
skb->len = sizeof(struct pgm_ip) + sizeof(struct pgm_header) + sizeof(struct pgm_data) + source_len;
skb->tail = (guint8*)skb->data + skb->len;
/* add IP header */
struct pgm_ip* iphdr = skb->data;
iphdr->ip_hl = sizeof(struct pgm_ip) / 4;
iphdr->ip_v = 4;
iphdr->ip_tos = 0;
iphdr->ip_len = g_htons (skb->len);
iphdr->ip_id = 0;
iphdr->ip_off = 0;
iphdr->ip_ttl = 16;
iphdr->ip_p = IPPROTO_PGM;
iphdr->ip_sum = 0;
iphdr->ip_src.s_addr = inet_addr ("127.0.0.1");
iphdr->ip_dst.s_addr = inet_addr ("127.0.0.2");
/* add PGM header */
struct pgm_header* pgmhdr = (gpointer)(iphdr + 1);
pgmhdr->pgm_sport = g_htons ((guint16)1000);
pgmhdr->pgm_dport = g_htons ((guint16)7500);
pgmhdr->pgm_type = PGM_ODATA;
pgmhdr->pgm_options = 0;
pgmhdr->pgm_gsi[0] = 1;
pgmhdr->pgm_gsi[1] = 2;
pgmhdr->pgm_gsi[2] = 3;
pgmhdr->pgm_gsi[3] = 4;
pgmhdr->pgm_gsi[4] = 5;
pgmhdr->pgm_gsi[5] = 6;
pgmhdr->pgm_tsdu_length = g_htons (source_len);
/* add ODATA header */
struct pgm_data* datahdr = (gpointer)(pgmhdr + 1);
datahdr->data_sqn = g_htonl ((guint32)0);
datahdr->data_trail = g_htonl ((guint32)-1);
/* add payload */
gpointer data = (gpointer)(datahdr + 1);
memcpy (data, source, source_len);
/* finally PGM checksum */
pgmhdr->pgm_checksum = 0;
pgmhdr->pgm_checksum = pgm_csum_fold (pgm_csum_partial (pgmhdr, sizeof(struct pgm_header) + sizeof(struct pgm_data) + source_len, 0));
/* and IP checksum */
iphdr->ip_sum = pgm_inet_checksum (skb->head, skb->len, 0);
return skb;
}
static
struct pgm_sk_buff_t*
generate_udp_encap_pgm (void)
{
const char source[] = "i am not a string";
const guint source_len = sizeof(source);
struct pgm_sk_buff_t* skb;
GError* err = NULL;
skb = pgm_alloc_skb (1500);
skb->sock = (pgm_sock_t*)0x1;
skb->tstamp = 0x1;
skb->data = skb->head;
skb->len = sizeof(struct pgm_header) + sizeof(struct pgm_data) + source_len;
skb->tail = (guint8*)skb->data + skb->len;
/* add PGM header */
struct pgm_header* pgmhdr = skb->head;
pgmhdr->pgm_sport = g_htons ((guint16)1000);
pgmhdr->pgm_dport = g_htons ((guint16)7500);
pgmhdr->pgm_type = PGM_ODATA;
pgmhdr->pgm_options = 0;
pgmhdr->pgm_gsi[0] = 1;
pgmhdr->pgm_gsi[1] = 2;
pgmhdr->pgm_gsi[2] = 3;
pgmhdr->pgm_gsi[3] = 4;
pgmhdr->pgm_gsi[4] = 5;
pgmhdr->pgm_gsi[5] = 6;
pgmhdr->pgm_tsdu_length = g_htons (source_len);
/* add ODATA header */
struct pgm_data* datahdr = (gpointer)(pgmhdr + 1);
datahdr->data_sqn = g_htonl ((guint32)0);
datahdr->data_trail = g_htonl ((guint32)-1);
/* add payload */
gpointer data = (gpointer)(datahdr + 1);
memcpy (data, source, source_len);
/* finally PGM checksum */
pgmhdr->pgm_checksum = 0;
pgmhdr->pgm_checksum = pgm_csum_fold (pgm_csum_partial (pgmhdr, sizeof(struct pgm_header) + sizeof(struct pgm_data) + source_len, 0));
return skb;
}
/* mock functions for external references */
size_t
pgm_pkt_offset (
const bool can_fragment,
const sa_family_t pgmcc_family /* 0 = disable */
)
{
return 0;
}
/* target:
* bool
* pgm_parse_raw (
* struct pgm_sk_buff_t* const skb,
* struct sockaddr* const addr,
* pgm_error_t** error
* )
*/
START_TEST (test_parse_raw_pass_001)
{
struct sockaddr_storage addr;
pgm_error_t* err = NULL;
struct pgm_sk_buff_t* skb = generate_raw_pgm ();
gboolean success = pgm_parse_raw (skb, (struct sockaddr*)&addr, &err);
if (!success && err) {
g_error ("Parsing raw packet: %s", err->message);
}
fail_unless (TRUE == success, "parse_raw failed");
char saddr[INET6_ADDRSTRLEN];
pgm_sockaddr_ntop ((struct sockaddr*)&addr, saddr, sizeof(saddr));
g_message ("Decoded destination NLA: %s", saddr);
}
END_TEST
START_TEST (test_parse_raw_fail_001)
{
struct sockaddr_storage addr;
pgm_error_t* err = NULL;
pgm_parse_raw (NULL, (struct sockaddr*)&addr, &err);
fail ("reached");
}
END_TEST
/* target:
* bool
* pgm_parse_udp_encap (
* struct pgm_sk_buff_t* const skb,
* pgm_error_t** error
* )
*/
START_TEST (test_parse_udp_encap_pass_001)
{
pgm_error_t* err = NULL;
struct pgm_sk_buff_t* skb = generate_udp_encap_pgm ();
gboolean success = pgm_parse_udp_encap (skb, &err);
if (!success && err) {
g_error ("Parsing UDP encapsulated packet: %s", err->message);
}
fail_unless (TRUE == success, "parse_udp_encap failed");
}
END_TEST
START_TEST (test_parse_udp_encap_fail_001)
{
pgm_error_t* err = NULL;
pgm_parse_udp_encap (NULL, &err);
fail ("reached");
}
END_TEST
/* target:
* bool
* pgm_verify_spm (
* struct pgm_sk_buff_t* const skb
* )
*/
START_TEST (test_verify_spm_pass_001)
{
}
END_TEST
START_TEST (test_verify_spm_fail_001)
{
pgm_verify_spm (NULL);
fail ("reached");
}
END_TEST
/* target:
* bool
* pgm_verify_spmr (
* struct pgm_sk_buff_t* const skb
* )
*/
START_TEST (test_verify_spmr_pass_001)
{
}
END_TEST
START_TEST (test_verify_spmr_fail_001)
{
pgm_verify_spmr (NULL);
fail ("reached");
}
END_TEST
/* target:
* bool
* pgm_verify_nak (
* struct pgm_sk_buff_t* const skb
* )
*/
START_TEST (test_verify_nak_pass_001)
{
}
END_TEST
START_TEST (test_verify_nak_fail_001)
{
pgm_verify_nak (NULL);
fail ("reached");
}
END_TEST
/* target:
* bool
* pgm_verify_nnak (
* struct pgm_sk_buff_t* const skb
* )
*/
START_TEST (test_verify_nnak_pass_001)
{
}
END_TEST
START_TEST (test_verify_nnak_fail_001)
{
pgm_verify_nnak (NULL);
fail ("reached");
}
END_TEST
/* target:
* bool
* pgm_verify_ncf (
* struct pgm_sk_buff_t* const skb
* )
*/
START_TEST (test_verify_ncf_pass_001)
{
}
END_TEST
START_TEST (test_verify_ncf_fail_001)
{
pgm_verify_ncf (NULL);
fail ("reached");
}
END_TEST
static
Suite*
make_test_suite (void)
{
Suite* s;
s = suite_create (__FILE__);
TCase* tc_parse_raw = tcase_create ("parse-raw");
suite_add_tcase (s, tc_parse_raw);
tcase_add_test (tc_parse_raw, test_parse_raw_pass_001);
tcase_add_test_raise_signal (tc_parse_raw, test_parse_raw_fail_001, SIGABRT);
TCase* tc_parse_udp_encap = tcase_create ("parse-udp-encap");
suite_add_tcase (s, tc_parse_udp_encap);
tcase_add_test (tc_parse_udp_encap, test_parse_udp_encap_pass_001);
tcase_add_test_raise_signal (tc_parse_udp_encap, test_parse_udp_encap_fail_001, SIGABRT);
TCase* tc_verify_spm = tcase_create ("verify-spm");
suite_add_tcase (s, tc_verify_spm);
tcase_add_test (tc_verify_spm, test_verify_spm_pass_001);
tcase_add_test_raise_signal (tc_verify_spm, test_verify_spm_fail_001, SIGABRT);
TCase* tc_verify_spmr = tcase_create ("verify-spmr");
suite_add_tcase (s, tc_verify_spmr);
tcase_add_test (tc_verify_spmr, test_verify_spmr_pass_001);
tcase_add_test_raise_signal (tc_verify_spmr, test_verify_spmr_fail_001, SIGABRT);
TCase* tc_verify_nak = tcase_create ("verify-nak");
suite_add_tcase (s, tc_verify_nak);
tcase_add_test (tc_verify_nak, test_verify_nak_pass_001);
tcase_add_test_raise_signal (tc_verify_nak, test_verify_nak_fail_001, SIGABRT);
TCase* tc_verify_nnak = tcase_create ("verify-nnak");
suite_add_tcase (s, tc_verify_nnak);
tcase_add_test (tc_verify_nnak, test_verify_nnak_pass_001);
tcase_add_test_raise_signal (tc_verify_nnak, test_verify_nnak_fail_001, SIGABRT);
TCase* tc_verify_ncf = tcase_create ("verify-ncf");
suite_add_tcase (s, tc_verify_ncf);
tcase_add_test (tc_verify_ncf, test_verify_ncf_pass_001);
tcase_add_test_raise_signal (tc_verify_ncf, test_verify_ncf_fail_001, SIGABRT);
return s;
}
static
Suite*
make_master_suite (void)
{
Suite* s = suite_create ("Master");
return s;
}
int
main (void)
{
SRunner* sr = srunner_create (make_master_suite ());
srunner_add_suite (sr, make_test_suite ());
srunner_run_all (sr, CK_ENV);
int number_failed = srunner_ntests_failed (sr);
srunner_free (sr);
return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
}
/* eof */
|
