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mirror of https://git.FreeBSD.org/src.git synced 2024-12-12 09:58:36 +00:00

tftpd: Clean up the tests.

MFC after:	1 week
Sponsored by:	Klara, Inc.
Reviewed by:	kevans
Differential Revision:	https://reviews.freebsd.org/D44955
This commit is contained in:
Dag-Erling Smørgrav 2024-04-25 20:35:20 +02:00
parent 1ed44fcc44
commit 7ab7ecfcfe

View File

@ -60,24 +60,24 @@ static void require_bufeq(const char *expected, size_t expected_len,
* @param contents The reply's expected contents, as a char array
* @param contents_len Length of contents
*/
#define RECV(hdr, contents, contents_len) do { \
char buffer[1024]; \
struct sockaddr_storage from; \
socklen_t fromlen = sizeof(from); \
ssize_t r = recvfrom(s, buffer, sizeof(buffer), 0, \
(struct sockaddr*)&from, &fromlen); \
ATF_REQUIRE(r > 0); \
require_bufeq((hdr), sizeof(hdr), buffer, \
MIN((size_t)r, sizeof(hdr))); \
require_bufeq((const char*) (contents), (contents_len), \
&buffer[sizeof(hdr)], r - sizeof(hdr)); \
if (protocol == PF_INET) { \
((struct sockaddr_in*)&addr)->sin_port = \
((struct sockaddr_in*)&from)->sin_port; \
} else { \
((struct sockaddr_in6*)&addr)->sin6_port = \
((struct sockaddr_in6*)&from)->sin6_port; \
} \
#define RECV(hdr, contents, contents_len) do { \
char buffer[1024]; \
struct sockaddr_storage from; \
socklen_t fromlen = sizeof(from); \
ssize_t r = recvfrom(s, buffer, sizeof(buffer), 0, \
(struct sockaddr *)&from, &fromlen); \
ATF_REQUIRE(r > 0); \
require_bufeq((hdr), sizeof(hdr), buffer, \
MIN((size_t)r, sizeof(hdr))); \
require_bufeq((const char *) (contents), (contents_len), \
&buffer[sizeof(hdr)], r - sizeof(hdr)); \
if (protocol == PF_INET) { \
((struct sockaddr_in *)&addr)->sin_port = \
((struct sockaddr_in *)&from)->sin_port; \
} else { \
((struct sockaddr_in6 *)&addr)->sin6_port = \
((struct sockaddr_in6 *)&from)->sin6_port; \
} \
} while(0)
static void
@ -101,15 +101,15 @@ recv_oack(const char *options, size_t options_len)
* @param contents_len Length of contents expected to receive
*/
static void
recv_data(uint16_t blocknum, const char* contents, size_t contents_len)
recv_data(uint16_t blocknum, const char *contents, size_t contents_len)
{
char hdr[] = {0, 3, blocknum >> 8, blocknum & 0xFF};
RECV(hdr, contents, contents_len);
}
#define RECV_ERROR(code, msg) do { \
char hdr[] = {0, 5, code >> 8, code & 0xFF}; \
RECV(hdr, msg, sizeof(msg)); \
#define RECV_ERROR(code, msg) do { \
char hdr[] = {0, 5, code >> 8, code & 0xFF}; \
RECV(hdr, msg, sizeof(msg)); \
} while (0)
/*
@ -121,13 +121,13 @@ send_bytes(const void *cmd, size_t len)
{
ssize_t r;
r = sendto(s, cmd, len, 0, (struct sockaddr*)(&addr), addr.ss_len);
r = sendto(s, cmd, len, 0, (struct sockaddr *)(&addr), addr.ss_len);
ATF_REQUIRE(r >= 0);
ATF_REQUIRE_EQ(len, (size_t)r);
}
static void
send_data(uint16_t blocknum, const char* contents, size_t contents_len)
send_data(uint16_t blocknum, const char *contents, size_t contents_len)
{
char buffer[1024];
@ -144,10 +144,10 @@ send_data(uint16_t blocknum, const char* contents, size_t contents_len)
* @param cmd Command to send, as a const string
* (terminating NUL will be ignored)
*/
#define SEND_STR(cmd) ATF_REQUIRE_EQ( \
sendto(s, (cmd), sizeof(cmd) - 1, 0, (struct sockaddr*)(&addr), \
addr.ss_len), \
sizeof(cmd) - 1)
#define SEND_STR(cmd) \
ATF_REQUIRE_EQ(sizeof(cmd) - 1, \
sendto(s, (cmd), sizeof(cmd) - 1, 0, \
(struct sockaddr *)(&addr), addr.ss_len))
/*
* Acknowledge block blocknum
@ -156,13 +156,12 @@ static void
send_ack(uint16_t blocknum)
{
char packet[] = {
0, 4, /* ACK opcode in BE */
blocknum >> 8,
blocknum & 0xFF
0, 4, /* ACK opcode in BE */
blocknum >> 8,
blocknum & 0xFF
};
send_bytes(packet, sizeof(packet));
}
/*
@ -175,71 +174,74 @@ send_ack(uint16_t blocknum)
* @param filename filename as a string, absolute or relative
* @param mode either "octet" or "netascii"
*/
#define SEND_RRQ(filename, mode) SEND_STR("\0\001" filename "\0" mode "\0")
#define SEND_RRQ(filename, mode) \
SEND_STR("\0\001" filename "\0" mode "\0")
/*
* send a read request with options
*/
#define SEND_RRQ_OPT(filename, mode, options) SEND_STR("\0\001" filename "\0" mode "\000" options)
#define SEND_RRQ_OPT(filename, mode, options) \
SEND_STR("\0\001" filename "\0" mode "\000" options)
/*
* send a write request to tftpd.
* @param filename filename as a string, absolute or relative
* @param mode either "octet" or "netascii"
*/
#define SEND_WRQ(filename, mode) SEND_STR("\0\002" filename "\0" mode "\0")
#define SEND_WRQ(filename, mode) \
SEND_STR("\0\002" filename "\0" mode "\0")
/*
* send a write request with options
*/
#define SEND_WRQ_OPT(filename, mode, options) SEND_STR("\0\002" filename "\0" mode "\000" options)
#define SEND_WRQ_OPT(filename, mode, options) \
SEND_STR("\0\002" filename "\0" mode "\000" options)
/* Define a test case, for both IPv4 and IPv6 */
#define TFTPD_TC_DEFINE(name, head, ...) \
static void \
name ## _body(void); \
ATF_TC_WITH_CLEANUP(name ## _v4); \
ATF_TC_HEAD(name ## _v4, tc) \
{ \
head \
} \
ATF_TC_BODY(name ## _v4, tc) \
{ \
__VA_ARGS__; \
protocol = AF_INET; \
s = setup(&addr, __COUNTER__); \
name ## _body(); \
close(s); \
} \
ATF_TC_CLEANUP(name ## _v4, tc) \
{ \
cleanup(); \
} \
ATF_TC_WITH_CLEANUP(name ## _v6); \
ATF_TC_HEAD(name ## _v6, tc) \
{ \
head \
} \
ATF_TC_BODY(name ## _v6, tc) \
{ \
__VA_ARGS__; \
protocol = AF_INET6; \
s = setup(&addr, __COUNTER__); \
name ## _body(); \
close(s); \
} \
ATF_TC_CLEANUP(name ## _v6, tc) \
{ \
cleanup(); \
} \
static void \
#define TFTPD_TC_DEFINE(name, head, ...) \
static void \
name ## _body(void); \
ATF_TC_WITH_CLEANUP(name ## _v4); \
ATF_TC_HEAD(name ## _v4, tc) \
{ \
head \
} \
ATF_TC_BODY(name ## _v4, tc) \
{ \
__VA_ARGS__; \
protocol = AF_INET; \
s = setup(&addr, __COUNTER__); \
name ## _body(); \
close(s); \
} \
ATF_TC_CLEANUP(name ## _v4, tc) \
{ \
cleanup(); \
} \
ATF_TC_WITH_CLEANUP(name ## _v6); \
ATF_TC_HEAD(name ## _v6, tc) \
{ \
head \
} \
ATF_TC_BODY(name ## _v6, tc) \
{ \
__VA_ARGS__; \
protocol = AF_INET6; \
s = setup(&addr, __COUNTER__); \
name ## _body(); \
close(s); \
} \
ATF_TC_CLEANUP(name ## _v6, tc) \
{ \
cleanup(); \
} \
static void \
name ## _body(void)
/* Add the IPv4 and IPv6 versions of a test case */
#define TFTPD_TC_ADD(tp, name ) \
do { \
ATF_TP_ADD_TC(tp, name ## _v4); \
ATF_TP_ADD_TC(tp, name ## _v6); \
#define TFTPD_TC_ADD(tp, name) do { \
ATF_TP_ADD_TC(tp, name ## _v4); \
ATF_TP_ADD_TC(tp, name ## _v6); \
} while (0)
/* Standard cleanup used by all testcases */
@ -262,15 +264,15 @@ cleanup(void)
/* Assert that two binary buffers are identical */
static void
require_bufeq(const char *expected, size_t expected_len, const char *actual,
size_t len)
require_bufeq(const char *expected, size_t expected_len,
const char *actual, size_t len)
{
size_t i;
ATF_REQUIRE_EQ_MSG(expected_len, len,
"Expected %zu bytes but got %zu", expected_len, len);
for (i = 0; i < len; i++) {
ATF_REQUIRE_EQ_MSG(actual[i], expected[i],
ATF_REQUIRE_EQ_MSG(expected[i], actual[i],
"Expected %#hhx at position %zu; got %hhx instead",
expected[i], i, actual[i]);
}
@ -304,17 +306,17 @@ setup(struct sockaddr_storage *to, uint16_t idx)
addr4.sin_len = len;
addr4.sin_family = PF_INET;
addr4.sin_port = htons(port);
server_addr = (struct sockaddr*)&addr4;
server_addr = (struct sockaddr *)&addr4;
} else {
len = sizeof(addr6);
bzero(&addr6, len);
addr6.sin6_len = len;
addr6.sin6_family = PF_INET6;
addr6.sin6_port = htons(port);
server_addr = (struct sockaddr*)&addr6;
server_addr = (struct sockaddr *)&addr6;
}
ATF_REQUIRE_EQ(getcwd(pwd, sizeof(pwd)), pwd);
ATF_REQUIRE_EQ(pwd, getcwd(pwd, sizeof(pwd)));
/* Must bind(2) pre-fork so it happens before the client's send(2) */
server_s = socket(protocol, SOCK_DGRAM, 0);
@ -324,7 +326,7 @@ setup(struct sockaddr_storage *to, uint16_t idx)
}
ATF_REQUIRE_MSG(server_s >= 0,
"socket failed with error %s", strerror(errno));
ATF_REQUIRE_EQ_MSG(bind(server_s, server_addr, len), 0,
ATF_REQUIRE_EQ_MSG(0, bind(server_s, server_addr, len),
"bind failed with error %s", strerror(errno));
pid = fork();
@ -337,8 +339,8 @@ setup(struct sockaddr_storage *to, uint16_t idx)
pfh = pidfile_open(pidfile, 0644, NULL);
ATF_REQUIRE_MSG(pfh != NULL,
"pidfile_open: %s", strerror(errno));
ATF_REQUIRE_EQ(pidfile_write(pfh), 0);
ATF_REQUIRE_EQ(pidfile_close(pfh), 0);
ATF_REQUIRE_EQ(0, pidfile_write(pfh));
ATF_REQUIRE_EQ(0, pidfile_close(pfh));
bzero(argv, sizeof(argv));
argv[0] = execname;
@ -348,9 +350,9 @@ setup(struct sockaddr_storage *to, uint16_t idx)
if (s_flag)
argv[argv_idx++] = s_flag_str;
argv[argv_idx++] = pwd;
ATF_REQUIRE_EQ(dup2(server_s, STDOUT_FILENO), STDOUT_FILENO);
ATF_REQUIRE_EQ(dup2(server_s, STDIN_FILENO), STDIN_FILENO);
ATF_REQUIRE_EQ(dup2(server_s, STDERR_FILENO), STDERR_FILENO);
ATF_REQUIRE_EQ(STDOUT_FILENO, dup2(server_s, STDOUT_FILENO));
ATF_REQUIRE_EQ(STDIN_FILENO, dup2(server_s, STDIN_FILENO));
ATF_REQUIRE_EQ(STDERR_FILENO, dup2(server_s, STDERR_FILENO));
execv(execname, argv);
atf_tc_fail("exec failed");
break;
@ -358,14 +360,14 @@ setup(struct sockaddr_storage *to, uint16_t idx)
/* In parent */
bzero(to, sizeof(*to));
if (protocol == PF_INET) {
struct sockaddr_in *to4 = (struct sockaddr_in*)to;
struct sockaddr_in *to4 = (struct sockaddr_in *)to;
to4->sin_len = sizeof(*to4);
to4->sin_family = PF_INET;
to4->sin_port = htons(port);
to4->sin_addr.s_addr = htonl(INADDR_LOOPBACK);
} else {
struct in6_addr loopback = IN6ADDR_LOOPBACK_INIT;
struct sockaddr_in6 *to6 = (struct sockaddr_in6*)to;
struct sockaddr_in6 *to6 = (struct sockaddr_in6 *)to;
to6->sin6_len = sizeof(*to6);
to6->sin6_family = PF_INET6;
to6->sin6_port = htons(port);
@ -393,7 +395,7 @@ write_all(int fd, const void *buf, size_t nbytes)
r = write(fd, buf, nbytes);
ATF_REQUIRE(r > 0);
nbytes -= (size_t)r;
buf = (const char*)buf + (size_t)r;
buf = (const char *)buf + (size_t)r;
}
}
@ -433,13 +435,13 @@ TFTPD_TC_DEFINE(abspath,)
*/
TFTPD_TC_DEFINE(dotdot,)
{
ATF_REQUIRE_EQ(mkdir("subdir", 0777), 0);
ATF_REQUIRE_EQ(0, mkdir("subdir", 0777));
SEND_RRQ("../disallowed.txt", "octet");
RECV_ERROR(2, "Access violation");
s = setup(&addr, __COUNTER__); \
s = setup(&addr, __COUNTER__);
SEND_RRQ("subdir/../../disallowed.txt", "octet");
RECV_ERROR(2, "Access violation");
s = setup(&addr, __COUNTER__); \
s = setup(&addr, __COUNTER__);
SEND_RRQ("/etc/passwd", "octet");
RECV_ERROR(2, "Access violation");
}
@ -447,8 +449,9 @@ TFTPD_TC_DEFINE(dotdot,)
/*
* With "-s", tftpd should chroot to the specified directory
*/
TFTPD_TC_DEFINE(s_flag, atf_tc_set_md_var(tc, "require.user", "root");,
s_flag = true)
TFTPD_TC_DEFINE(s_flag,
atf_tc_set_md_var(tc, "require.user", "root");,
s_flag = true)
{
int fd;
char contents[] = "small";
@ -505,7 +508,7 @@ TFTPD_TC_DEFINE(rrq_dropped_data,)
close(fd);
SEND_RRQ("medium.txt", "octet");
recv_data(1, (const char*)&contents[0], 512);
recv_data(1, (const char *)&contents[0], 512);
send_ack(1);
(void) recvfrom(s, buffer, sizeof(buffer), 0, NULL, NULL);
/*
@ -513,7 +516,7 @@ TFTPD_TC_DEFINE(rrq_dropped_data,)
* Eventually, client should resend the last ACK
*/
send_ack(1);
recv_data(2, (const char*)&contents[128], 256);
recv_data(2, (const char *)&contents[128], 256);
send_ack(2);
}
@ -535,11 +538,11 @@ TFTPD_TC_DEFINE(rrq_duped_ack,)
close(fd);
SEND_RRQ("medium.txt", "octet");
recv_data(1, (const char*)&contents[0], 512);
recv_data(1, (const char *)&contents[0], 512);
send_ack(1);
send_ack(1); /* Dupe an ACK packet */
recv_data(2, (const char*)&contents[128], 256);
recv_data(2, (const char*)&contents[128], 256);
recv_data(2, (const char *)&contents[128], 256);
recv_data(2, (const char *)&contents[128], 256);
send_ack(2);
}
@ -593,9 +596,9 @@ TFTPD_TC_DEFINE(rrq_medium,)
close(fd);
SEND_RRQ("medium.txt", "octet");
recv_data(1, (const char*)&contents[0], 512);
recv_data(1, (const char *)&contents[0], 512);
send_ack(1);
recv_data(2, (const char*)&contents[128], 256);
recv_data(2, (const char *)&contents[128], 256);
send_ack(2);
}
@ -620,8 +623,8 @@ TFTPD_TC_DEFINE(rrq_medium_window,)
SEND_RRQ_OPT("medium.txt", "octet", OPTION_STR("windowsize", "2"));
recv_oack(options, sizeof(options) - 1);
send_ack(0);
recv_data(1, (const char*)&contents[0], 512);
recv_data(2, (const char*)&contents[128], 256);
recv_data(1, (const char *)&contents[0], 512);
recv_data(2, (const char *)&contents[128], 256);
send_ack(2);
}
@ -764,13 +767,13 @@ TFTPD_TC_DEFINE(unknown_modes,)
{
SEND_RRQ("foo.txt", "ascii"); /* Misspelling of "ascii" */
RECV_ERROR(4, "Illegal TFTP operation");
s = setup(&addr, __COUNTER__); \
s = setup(&addr, __COUNTER__);
SEND_RRQ("foo.txt", "binary"); /* Obsolete. Use "octet" instead */
RECV_ERROR(4, "Illegal TFTP operation");
s = setup(&addr, __COUNTER__); \
s = setup(&addr, __COUNTER__);
SEND_RRQ("foo.txt", "en_US.UTF-8");
RECV_ERROR(4, "Illegal TFTP operation");
s = setup(&addr, __COUNTER__); \
s = setup(&addr, __COUNTER__);
SEND_RRQ("foo.txt", "mail"); /* Obsolete in RFC-1350 */
RECV_ERROR(4, "Illegal TFTP operation");
}
@ -830,14 +833,14 @@ TFTPD_TC_DEFINE(wrq_dropped_ack,)
SEND_WRQ("medium.txt", "octet");
recv_ack(0);
send_data(1, (const char*)&contents[0], 512);
send_data(1, (const char *)&contents[0], 512);
/*
* Servers "sends" an ACK packet, but network drops it.
* Eventually, server should resend the last ACK
*/
(void) recvfrom(s, buffer, sizeof(buffer), 0, NULL, NULL);
recv_ack(1);
send_data(2, (const char*)&contents[128], 256);
send_data(2, (const char *)&contents[128], 256);
recv_ack(2);
fd = open("medium.txt", O_RDONLY);
@ -845,7 +848,7 @@ TFTPD_TC_DEFINE(wrq_dropped_ack,)
r = read(fd, buffer, sizeof(buffer));
ATF_REQUIRE(r > 0);
close(fd);
require_bufeq((const char*)contents, 768, buffer, (size_t)r);
require_bufeq((const char *)contents, 768, buffer, (size_t)r);
}
/*
@ -902,11 +905,11 @@ TFTPD_TC_DEFINE(wrq_duped_data,)
SEND_WRQ("medium.txt", "octet");
recv_ack(0);
send_data(1, (const char*)&contents[0], 512);
send_data(1, (const char*)&contents[0], 512);
send_data(1, (const char *)&contents[0], 512);
send_data(1, (const char *)&contents[0], 512);
recv_ack(1);
recv_ack(1);
send_data(2, (const char*)&contents[128], 256);
send_data(2, (const char *)&contents[128], 256);
recv_ack(2);
fd = open("medium.txt", O_RDONLY);
@ -914,7 +917,7 @@ TFTPD_TC_DEFINE(wrq_duped_data,)
r = read(fd, buffer, sizeof(buffer));
ATF_REQUIRE(r > 0);
close(fd);
require_bufeq((const char*)contents, 768, buffer, (size_t)r);
require_bufeq((const char *)contents, 768, buffer, (size_t)r);
}
/*
@ -969,9 +972,9 @@ TFTPD_TC_DEFINE(wrq_medium,)
SEND_WRQ("medium.txt", "octet");
recv_ack(0);
send_data(1, (const char*)&contents[0], 512);
send_data(1, (const char *)&contents[0], 512);
recv_ack(1);
send_data(2, (const char*)&contents[128], 256);
send_data(2, (const char *)&contents[128], 256);
recv_ack(2);
fd = open("medium.txt", O_RDONLY);
@ -979,7 +982,7 @@ TFTPD_TC_DEFINE(wrq_medium,)
r = read(fd, buffer, sizeof(buffer));
ATF_REQUIRE(r > 0);
close(fd);
require_bufeq((const char*)contents, 768, buffer, (size_t)r);
require_bufeq((const char *)contents, 768, buffer, (size_t)r);
}
/*
@ -1003,8 +1006,8 @@ TFTPD_TC_DEFINE(wrq_medium_window,)
SEND_WRQ_OPT("medium.txt", "octet", OPTION_STR("windowsize", "2"));
recv_oack(options, sizeof(options) - 1);
send_data(1, (const char*)&contents[0], 512);
send_data(2, (const char*)&contents[128], 256);
send_data(1, (const char *)&contents[0], 512);
send_data(2, (const char *)&contents[128], 256);
recv_ack(2);
fd = open("medium.txt", O_RDONLY);
@ -1012,7 +1015,7 @@ TFTPD_TC_DEFINE(wrq_medium_window,)
r = read(fd, buffer, sizeof(buffer));
ATF_REQUIRE(r > 0);
close(fd);
require_bufeq((const char*)contents, 768, buffer, (size_t)r);
require_bufeq((const char *)contents, 768, buffer, (size_t)r);
}
/*
@ -1107,8 +1110,8 @@ TFTPD_TC_DEFINE(wrq_truncate,)
send_data(1, NULL, 0);
recv_ack(1);
ATF_REQUIRE_EQ(stat("small.txt", &sb), 0);
ATF_REQUIRE_EQ(sb.st_size, 0);
ATF_REQUIRE_EQ(0, stat("small.txt", &sb));
ATF_REQUIRE_EQ(0, sb.st_size);
}
/*