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stable/11/lib/libc/tests/sys/sendfile_test.c

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/*-
* Copyright (c) 2018 Enji Cooper.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/uio.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
#include <netdb.h>
#include <paths.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <atf-c.h>
const char DETERMINISTIC_PATTERN[] =
"The past is already gone, the future is not yet here. There's only one moment for you to live.\n";
#define SOURCE_FILE "source"
#define DESTINATION_FILE "dest"
#define PORTRANGE_FIRST "net.inet.ip.portrange.first"
#define PORTRANGE_LAST "net.inet.ip.portrange.last"
static int portrange_first, portrange_last;
static int
get_int_via_sysctlbyname(const char *oidname)
{
size_t oldlen;
int int_value;
ATF_REQUIRE_EQ_MSG(sysctlbyname(oidname, &int_value, &oldlen, NULL, 0),
0, "sysctlbyname(%s, ...) failed: %s", oidname, strerror(errno));
ATF_REQUIRE_EQ_MSG(sizeof(int_value), oldlen, "sanity check failed");
return (int_value);
}
static int
generate_random_port(int seed)
{
int random_port;
printf("Generating a random port with seed=%d\n", seed);
if (portrange_first == 0) {
portrange_first = get_int_via_sysctlbyname(PORTRANGE_FIRST);
printf("Port range lower bound: %d\n", portrange_first);
}
if (portrange_last == 0) {
portrange_last = get_int_via_sysctlbyname(PORTRANGE_LAST);
printf("Port range upper bound: %d\n", portrange_last);
}
srand((unsigned)seed);
random_port = rand() % (portrange_last - portrange_first) +
portrange_first;
printf("Random port generated: %d\n", random_port);
return (random_port);
}
static void
resolve_localhost(struct addrinfo **res, int domain, int type, int port)
{
const char *host;
char *serv;
struct addrinfo hints;
int error;
switch (domain) {
case AF_INET:
host = "127.0.0.1";
break;
case AF_INET6:
host = "::1";
break;
default:
atf_tc_fail("unhandled domain: %d", domain);
}
ATF_REQUIRE_MSG(asprintf(&serv, "%d", port) >= 0,
"asprintf failed: %s", strerror(errno));
memset(&hints, 0, sizeof(hints));
hints.ai_family = domain;
hints.ai_flags = AI_ADDRCONFIG|AI_NUMERICSERV|AI_NUMERICHOST;
hints.ai_socktype = type;
error = getaddrinfo(host, serv, &hints, res);
ATF_REQUIRE_EQ_MSG(error, 0,
"getaddrinfo failed: %s", gai_strerror(error));
free(serv);
}
static int
make_socket(int domain, int type, int protocol)
{
int sock;
sock = socket(domain, type, protocol);
ATF_REQUIRE_MSG(sock != -1, "socket(%d, %d, 0) failed: %s",
domain, type, strerror(errno));
return (sock);
}
static int
setup_client(int domain, int type, int port)
{
struct addrinfo *res;
char host[NI_MAXHOST+1];
int error, sock;
resolve_localhost(&res, domain, type, port);
error = getnameinfo(
(const struct sockaddr*)res->ai_addr, res->ai_addrlen,
host, nitems(host) - 1, NULL, 0, NI_NUMERICHOST);
ATF_REQUIRE_EQ_MSG(error, 0,
"getnameinfo failed: %s", gai_strerror(error));
printf(
"Will try to connect to host='%s', address_family=%d, "
"socket_type=%d\n",
host, res->ai_family, res->ai_socktype);
/* Avoid a double print when forked by flushing. */
fflush(stdout);
sock = make_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
error = connect(sock, (struct sockaddr*)res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
ATF_REQUIRE_EQ_MSG(error, 0, "connect failed: %s", strerror(errno));
return (sock);
}
/*
* XXX: use linear probing to find a free port and eliminate `port` argument as
* a [const] int (it will need to be a pointer so it can be passed back out of
* the function and can influence which port `setup_client(..)` connects on.
*/
static int
setup_server(int domain, int type, int port)
{
struct addrinfo *res;
char host[NI_MAXHOST+1];
int error, sock;
resolve_localhost(&res, domain, type, port);
sock = make_socket(res->ai_family, res->ai_socktype, res->ai_protocol);
error = getnameinfo(
(const struct sockaddr*)res->ai_addr, res->ai_addrlen,
host, nitems(host) - 1, NULL, 0, NI_NUMERICHOST);
ATF_REQUIRE_EQ_MSG(error, 0,
"getnameinfo failed: %s", gai_strerror(error));
printf(
"Will try to bind socket to host='%s', address_family=%d, "
"socket_type=%d\n",
host, res->ai_family, res->ai_socktype);
/* Avoid a double print when forked by flushing. */
fflush(stdout);
error = bind(sock, res->ai_addr, res->ai_addrlen);
freeaddrinfo(res);
ATF_REQUIRE_EQ_MSG(error, 0, "bind failed: %s", strerror(errno));
error = listen(sock, 1);
ATF_REQUIRE_EQ_MSG(error, 0, "listen failed: %s", strerror(errno));
return (sock);
}
/*
* This function is a helper routine for taking data being sent by `sendfile` via
* `server_sock`, and pushing the received stream out to a file, denoted by
* `dest_filename`.
*/
static void
server_cat(const char *dest_filename, int server_sock, size_t len)
{
char *buffer, *buf_window_ptr;
int recv_sock;
size_t buffer_size;
ssize_t received_bytes, recv_ret;
/*
* Ensure that there isn't excess data sent across the wire by
* capturing 10 extra bytes (plus 1 for nul).
*/
buffer_size = len + 10 + 1;
buffer = calloc(buffer_size, sizeof(char));
if (buffer == NULL)
err(1, "malloc failed");
recv_sock = accept(server_sock, NULL, 0);
if (recv_sock == -1)
err(1, "accept failed");
buf_window_ptr = buffer;
received_bytes = 0;
do {
recv_ret = recv(recv_sock, buf_window_ptr,
buffer_size - received_bytes, 0);
if (recv_ret <= 0)
break;
buf_window_ptr += recv_ret;
received_bytes += recv_ret;
} while (received_bytes < buffer_size);
atf_utils_create_file(dest_filename, "%s", buffer);
(void)close(recv_sock);
(void)close(server_sock);
free(buffer);
if (received_bytes != len)
errx(1, "received unexpected data: %zd != %zd", received_bytes,
len);
}
static int
setup_tcp_server(int domain, int port)
{
return (setup_server(domain, SOCK_STREAM, port));
}
static int
setup_tcp_client(int domain, int port)
{
return (setup_client(domain, SOCK_STREAM, port));
}
static off_t
file_size_from_fd(int fd)
{
struct stat st;
ATF_REQUIRE_EQ_MSG(0, fstat(fd, &st),
"fstat failed: %s", strerror(errno));
return (st.st_size);
}
/*
* NB: `nbytes` == 0 has special connotations given the sendfile(2) API
* contract. In short, "send the whole file" (paraphrased).
*/
static void
verify_source_and_dest(const char* dest_filename, int src_fd, off_t offset,
size_t nbytes)
{
char *dest_pointer, *src_pointer;
off_t dest_file_size, src_file_size;
size_t length;
int dest_fd;
atf_utils_cat_file(dest_filename, "dest_file: ");
dest_fd = open(dest_filename, O_RDONLY);
ATF_REQUIRE_MSG(dest_fd != -1, "open failed");
dest_file_size = file_size_from_fd(dest_fd);
src_file_size = file_size_from_fd(src_fd);
/*
* Per sendfile(2), "send the whole file" (paraphrased). This means
* that we need to grab the file size, as passing in length = 0 with
* mmap(2) will result in a failure with EINVAL (length = 0 is invalid).
*/
length = (nbytes == 0) ? (size_t)(src_file_size - offset) : nbytes;
ATF_REQUIRE_EQ_MSG(dest_file_size, length,
"number of bytes written out to %s (%ju) doesn't match the "
"expected number of bytes (%zu)", dest_filename, dest_file_size,
length);
ATF_REQUIRE_EQ_MSG(0, lseek(src_fd, offset, SEEK_SET),
"lseek failed: %s", strerror(errno));
dest_pointer = mmap(NULL, length, PROT_READ, MAP_PRIVATE, dest_fd, 0);
ATF_REQUIRE_MSG(dest_pointer != MAP_FAILED, "mmap failed: %s",
strerror(errno));
printf("Will mmap in the source file from offset=%jd to length=%zu\n",
offset, length);
src_pointer = mmap(NULL, length, PROT_READ, MAP_PRIVATE, src_fd, offset);
ATF_REQUIRE_MSG(src_pointer != MAP_FAILED, "mmap failed: %s",
strerror(errno));
ATF_REQUIRE_EQ_MSG(0, memcmp(src_pointer, dest_pointer, length),
"Contents of source and destination do not match. '%s' != '%s'",
src_pointer, dest_pointer);
(void)munmap(src_pointer, length);
(void)munmap(dest_pointer, length);
(void)close(dest_fd);
}
static void
fd_positive_file_test(int domain)
{
off_t offset;
size_t nbytes, pattern_size;
int client_sock, error, fd, port, server_sock;
pid_t server_pid;
pattern_size = strlen(DETERMINISTIC_PATTERN);
atf_utils_create_file(SOURCE_FILE, "%s", DETERMINISTIC_PATTERN);
fd = open(SOURCE_FILE, O_RDONLY);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
port = generate_random_port(__LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
server_pid = atf_utils_fork();
if (server_pid == 0) {
(void)close(client_sock);
server_cat(DESTINATION_FILE, server_sock, pattern_size);
_exit(0);
} else
(void)close(server_sock);
nbytes = 0;
offset = 0;
error = sendfile(fd, client_sock, offset, nbytes, NULL, NULL,
SF_FLAGS(0, 0));
ATF_REQUIRE_EQ_MSG(0, error, "sendfile failed: %s", strerror(errno));
(void)close(client_sock);
atf_utils_wait(server_pid, 0, "", "");
verify_source_and_dest(DESTINATION_FILE, fd, offset, nbytes);
(void)close(fd);
}
ATF_TC(fd_positive_file_v4);
ATF_TC_HEAD(fd_positive_file_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify regular file as file descriptor support (IPv4)");
}
ATF_TC_BODY(fd_positive_file_v4, tc)
{
fd_positive_file_test(AF_INET);
}
ATF_TC(fd_positive_file_v6);
ATF_TC_HEAD(fd_positive_file_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify regular file as file descriptor support (IPv6)");
}
ATF_TC_BODY(fd_positive_file_v6, tc)
{
fd_positive_file_test(AF_INET6);
}
static void
fd_positive_shm_test(int domain)
{
char *shm_pointer;
off_t offset;
size_t nbytes, pattern_size;
pid_t server_pid;
int client_sock, error, fd, port, server_sock;
pattern_size = strlen(DETERMINISTIC_PATTERN);
printf("pattern size: %zu\n", pattern_size);
fd = shm_open(SHM_ANON, O_RDWR|O_CREAT, 0600);
ATF_REQUIRE_MSG(fd != -1, "shm_open failed: %s", strerror(errno));
ATF_REQUIRE_EQ_MSG(0, ftruncate(fd, pattern_size),
"ftruncate failed: %s", strerror(errno));
shm_pointer = mmap(NULL, pattern_size, PROT_READ|PROT_WRITE,
MAP_SHARED, fd, 0);
ATF_REQUIRE_MSG(shm_pointer != MAP_FAILED,
"mmap failed: %s", strerror(errno));
memcpy(shm_pointer, DETERMINISTIC_PATTERN, pattern_size);
ATF_REQUIRE_EQ_MSG(0,
memcmp(shm_pointer, DETERMINISTIC_PATTERN, pattern_size),
"memcmp showed data mismatch: '%s' != '%s'",
DETERMINISTIC_PATTERN, shm_pointer);
port = generate_random_port(__LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
server_pid = atf_utils_fork();
if (server_pid == 0) {
(void)close(client_sock);
server_cat(DESTINATION_FILE, server_sock, pattern_size);
_exit(0);
} else
(void)close(server_sock);
nbytes = 0;
offset = 0;
error = sendfile(fd, client_sock, offset, nbytes, NULL, NULL,
SF_FLAGS(0, 0));
ATF_REQUIRE_EQ_MSG(0, error, "sendfile failed: %s", strerror(errno));
(void)close(client_sock);
atf_utils_wait(server_pid, 0, "", "");
verify_source_and_dest(DESTINATION_FILE, fd, offset, nbytes);
(void)munmap(shm_pointer, sizeof(DETERMINISTIC_PATTERN));
(void)close(fd);
}
ATF_TC(fd_positive_shm_v4);
ATF_TC_HEAD(fd_positive_shm_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify shared memory as file descriptor support (IPv4)");
}
ATF_TC_BODY(fd_positive_shm_v4, tc)
{
fd_positive_shm_test(AF_INET);
}
ATF_TC(fd_positive_shm_v6);
ATF_TC_HEAD(fd_positive_shm_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify shared memory as file descriptor support (IPv6))");
}
ATF_TC_BODY(fd_positive_shm_v6, tc)
{
fd_positive_shm_test(AF_INET6);
}
static void
fd_negative_bad_fd_test(int domain)
{
int client_sock, error, fd, port, server_sock;
port = generate_random_port(__LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
fd = -1;
error = sendfile(fd, client_sock, 0, 0, NULL, NULL, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(EBADF, error == -1);
(void)close(client_sock);
(void)close(server_sock);
}
ATF_TC(fd_negative_bad_fd_v4);
ATF_TC_HEAD(fd_negative_bad_fd_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify bad file descriptor returns EBADF (IPv4)");
}
ATF_TC_BODY(fd_negative_bad_fd_v4, tc)
{
fd_negative_bad_fd_test(AF_INET);
}
ATF_TC(fd_negative_bad_fd_v6);
ATF_TC_HEAD(fd_negative_bad_fd_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify bad file descriptor returns EBADF (IPv6)");
}
ATF_TC_BODY(fd_negative_bad_fd_v6, tc)
{
fd_negative_bad_fd_test(AF_INET6);
}
static void
flags_test(int domain)
{
off_t offset;
size_t nbytes, pattern_size;
int client_sock, error, fd, i, port, server_sock;
pid_t server_pid;
int16_t number_pages = 10;
pattern_size = strlen(DETERMINISTIC_PATTERN);
struct testcase {
int16_t readahead_pages, flags;
} testcases[] = {
/* This is covered in `:fd_positive_file` */
#if 0
{
.readahead_pages = 0,
.flags = 0
},
#endif
{
.readahead_pages = 0,
.flags = SF_NOCACHE
},
#ifdef SF_USER_READAHEAD
{
.readahead_pages = 0,
.flags = SF_NOCACHE|SF_USER_READAHEAD
},
{
.readahead_pages = 0,
.flags = SF_USER_READAHEAD
},
#endif
{
.readahead_pages = number_pages,
.flags = 0
},
{
.readahead_pages = number_pages,
.flags = SF_NOCACHE
},
#ifdef SF_USER_READAHEAD
{
.readahead_pages = number_pages,
.flags = SF_NOCACHE|SF_USER_READAHEAD
},
#endif
{
.readahead_pages = number_pages,
.flags = SF_NOCACHE
},
{
.readahead_pages = number_pages,
.flags = SF_NODISKIO
}
};
atf_utils_create_file(SOURCE_FILE, "%s", DETERMINISTIC_PATTERN);
for (i = 0; i < nitems(testcases); i++) {
fd = open(SOURCE_FILE, O_RDONLY);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
port = generate_random_port(i * __LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
server_pid = atf_utils_fork();
if (server_pid == 0) {
(void)close(client_sock);
server_cat(DESTINATION_FILE, server_sock, pattern_size);
_exit(0);
} else
(void)close(server_sock);
nbytes = 0;
offset = 0;
error = sendfile(fd, client_sock, offset, nbytes, NULL, NULL,
SF_FLAGS(testcases[i].readahead_pages, testcases[i].flags));
ATF_CHECK_EQ_MSG(error, 0, "sendfile testcase #%d failed: %s",
i, strerror(errno));
(void)close(client_sock);
atf_utils_wait(server_pid, 0, "", "");
verify_source_and_dest(DESTINATION_FILE, fd, offset, nbytes);
(void)close(fd);
}
}
ATF_TC(flags_v4);
ATF_TC_HEAD(flags_v4, tc)
{
atf_tc_set_md_var(tc, "descr", "Verify flags functionality (IPv4)");
}
ATF_TC_BODY(flags_v4, tc)
{
flags_test(AF_INET);
}
ATF_TC(flags_v6);
ATF_TC_HEAD(flags_v6, tc)
{
atf_tc_set_md_var(tc, "descr", "Verify flags functionality (IPv6)");
}
ATF_TC_BODY(flags_v6, tc)
{
flags_test(AF_INET6);
}
static void
hdtr_positive_test(int domain)
{
struct iovec headers[1], trailers[1];
struct testcase {
bool include_headers, include_trailers;
} testcases[] = {
/* This is covered in `:fd_positive_file` */
#if 0
{
.include_headers = false,
.include_trailers = false
},
#endif
{
.include_headers = true,
.include_trailers = false
},
{
.include_headers = false,
.include_trailers = true
},
{
.include_headers = true,
.include_trailers = true
}
};
off_t offset;
size_t nbytes;
int client_sock, error, fd, fd2, i, port, rc, server_sock;
pid_t server_pid;
headers[0].iov_base = "This is a header";
headers[0].iov_len = strlen(headers[0].iov_base);
trailers[0].iov_base = "This is a trailer";
trailers[0].iov_len = strlen(trailers[0].iov_base);
offset = 0;
nbytes = 0;
for (i = 0; i < nitems(testcases); i++) {
struct sf_hdtr hdtr;
char *pattern;
if (testcases[i].include_headers) {
hdtr.headers = headers;
hdtr.hdr_cnt = nitems(headers);
} else {
hdtr.headers = NULL;
hdtr.hdr_cnt = 0;
}
if (testcases[i].include_trailers) {
hdtr.trailers = trailers;
hdtr.trl_cnt = nitems(trailers);
} else {
hdtr.trailers = NULL;
hdtr.trl_cnt = 0;
}
port = generate_random_port(i * __LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
rc = asprintf(&pattern, "%s%s%s",
testcases[i].include_headers ? (char *)headers[0].iov_base : "",
DETERMINISTIC_PATTERN,
testcases[i].include_trailers ? (char *)trailers[0].iov_base : "");
ATF_REQUIRE_MSG(rc != -1, "asprintf failed: %s", strerror(errno));
atf_utils_create_file(SOURCE_FILE ".full", "%s", pattern);
atf_utils_create_file(SOURCE_FILE, "%s", DETERMINISTIC_PATTERN);
fd = open(SOURCE_FILE, O_RDONLY);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
fd2 = open(SOURCE_FILE ".full", O_RDONLY);
ATF_REQUIRE_MSG(fd2 != -1, "open failed: %s", strerror(errno));
server_pid = atf_utils_fork();
if (server_pid == 0) {
(void)close(client_sock);
server_cat(DESTINATION_FILE, server_sock,
strlen(pattern));
_exit(0);
} else
(void)close(server_sock);
error = sendfile(fd, client_sock, offset, nbytes, &hdtr,
NULL, SF_FLAGS(0, 0));
ATF_CHECK_EQ_MSG(error, 0, "sendfile testcase #%d failed: %s",
i, strerror(errno));
(void)close(client_sock);
atf_utils_wait(server_pid, 0, "", "");
verify_source_and_dest(DESTINATION_FILE, fd2, offset, nbytes);
(void)close(fd);
(void)close(fd2);
free(pattern);
pattern = NULL;
}
}
ATF_TC(hdtr_positive_v4);
ATF_TC_HEAD(hdtr_positive_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify positive hdtr functionality (IPv4)");
}
ATF_TC_BODY(hdtr_positive_v4, tc)
{
hdtr_positive_test(AF_INET);
}
ATF_TC(hdtr_positive_v6);
ATF_TC_HEAD(hdtr_positive_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify positive hdtr functionality (IPv6)");
}
ATF_TC_BODY(hdtr_positive_v6, tc)
{
hdtr_positive_test(AF_INET);
}
static void
hdtr_negative_bad_pointers_test(int domain)
{
int client_sock, error, fd, port, server_sock;
struct sf_hdtr *hdtr1, hdtr2, hdtr3;
port = generate_random_port(__LINE__ + domain);
hdtr1 = (struct sf_hdtr*)-1;
memset(&hdtr2, 0, sizeof(hdtr2));
hdtr2.hdr_cnt = 1;
hdtr2.headers = (struct iovec*)-1;
memset(&hdtr3, 0, sizeof(hdtr3));
hdtr3.trl_cnt = 1;
hdtr3.trailers = (struct iovec*)-1;
fd = open(SOURCE_FILE, O_CREAT|O_RDWR);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
error = sendfile(fd, client_sock, 0, 0, hdtr1, NULL, SF_FLAGS(0, 0));
ATF_CHECK_ERRNO(EFAULT, error == -1);
error = sendfile(fd, client_sock, 0, 0, &hdtr2, NULL, SF_FLAGS(0, 0));
ATF_CHECK_ERRNO(EFAULT, error == -1);
error = sendfile(fd, client_sock, 0, 0, &hdtr3, NULL, SF_FLAGS(0, 0));
ATF_CHECK_ERRNO(EFAULT, error == -1);
(void)close(fd);
(void)close(client_sock);
(void)close(server_sock);
}
ATF_TC(hdtr_negative_bad_pointers_v4);
ATF_TC_HEAD(hdtr_negative_bad_pointers_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that bad pointers for hdtr storage result in EFAULT (IPv4)");
}
ATF_TC_BODY(hdtr_negative_bad_pointers_v4, tc)
{
hdtr_negative_bad_pointers_test(AF_INET);
}
ATF_TC(hdtr_negative_bad_pointers_v6);
ATF_TC_HEAD(hdtr_negative_bad_pointers_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that bad pointers for hdtr storage result in EFAULT (IPv6)");
}
ATF_TC_BODY(hdtr_negative_bad_pointers_v6, tc)
{
hdtr_negative_bad_pointers_test(AF_INET6);
}
static void
offset_negative_value_less_than_zero_test(int domain)
{
int client_sock, error, fd, port, server_sock;
port = generate_random_port(__LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
fd = open(SOURCE_FILE, O_CREAT|O_RDWR);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
error = sendfile(fd, client_sock, -1, 0, NULL, NULL, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(EINVAL, error == -1);
(void)close(fd);
(void)close(client_sock);
(void)close(server_sock);
}
ATF_TC(offset_negative_value_less_than_zero_v4);
ATF_TC_HEAD(offset_negative_value_less_than_zero_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a negative offset results in EINVAL (IPv4)");
}
ATF_TC_BODY(offset_negative_value_less_than_zero_v4, tc)
{
offset_negative_value_less_than_zero_test(AF_INET);
}
ATF_TC(offset_negative_value_less_than_zero_v6);
ATF_TC_HEAD(offset_negative_value_less_than_zero_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a negative offset results in EINVAL (IPv6)");
}
ATF_TC_BODY(offset_negative_value_less_than_zero_v6, tc)
{
offset_negative_value_less_than_zero_test(AF_INET6);
}
static void
sbytes_positive_test(int domain)
{
size_t pattern_size = strlen(DETERMINISTIC_PATTERN);
off_t sbytes;
int client_sock, error, fd, port, server_sock;
port = generate_random_port(__LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
atf_utils_create_file(SOURCE_FILE, "%s", DETERMINISTIC_PATTERN);
fd = open(SOURCE_FILE, O_RDONLY);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
error = sendfile(fd, client_sock, 0, 0, NULL, &sbytes, SF_FLAGS(0, 0));
ATF_CHECK_EQ_MSG(error, 0, "sendfile failed: %s", strerror(errno));
(void)close(fd);
(void)close(client_sock);
(void)close(server_sock);
ATF_CHECK_EQ_MSG(pattern_size, sbytes,
"the value returned by sbytes does not match the expected pattern "
"size");
}
ATF_TC(sbytes_positive_v4);
ATF_TC_HEAD(sbytes_positive_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify positive `sbytes` functionality (IPv4)");
}
ATF_TC_BODY(sbytes_positive_v4, tc)
{
sbytes_positive_test(AF_INET);
}
ATF_TC(sbytes_positive_v6);
ATF_TC_HEAD(sbytes_positive_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify positive `sbytes` functionality (IPv6)");
}
ATF_TC_BODY(sbytes_positive_v6, tc)
{
sbytes_positive_test(AF_INET6);
}
static void
sbytes_negative_test(int domain)
{
off_t *sbytes_p = (off_t*)-1;
int client_sock, error, fd, port, server_sock;
port = generate_random_port(__LINE__ + domain);
server_sock = setup_tcp_server(domain, port);
client_sock = setup_tcp_client(domain, port);
atf_utils_create_file(SOURCE_FILE, "%s", DETERMINISTIC_PATTERN);
fd = open(SOURCE_FILE, O_RDONLY);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
atf_tc_expect_fail(
"bug 232210: EFAULT assert fails because copyout(9) call is not checked");
error = sendfile(fd, client_sock, 0, 0, NULL, sbytes_p, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(EFAULT, error == -1);
(void)close(fd);
(void)close(client_sock);
(void)close(server_sock);
}
ATF_TC(sbytes_negative_v4);
ATF_TC_HEAD(sbytes_negative_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify negative `sbytes` functionality (IPv4)");
}
ATF_TC_BODY(sbytes_negative_v4, tc)
{
sbytes_negative_test(AF_INET);
}
ATF_TC(sbytes_negative_v6);
ATF_TC_HEAD(sbytes_negative_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify negative `sbytes` functionality (IPv6)");
}
ATF_TC_BODY(sbytes_negative_v6, tc)
{
sbytes_negative_test(AF_INET6);
}
static void
s_negative_not_connected_socket_test(int domain)
{
int client_sock, error, fd, port;
port = generate_random_port(__LINE__ + domain);
client_sock = setup_tcp_server(domain, port);
fd = open(SOURCE_FILE, O_CREAT|O_RDWR);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
error = sendfile(fd, client_sock, 0, 0, NULL, NULL, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(ENOTCONN, error == -1);
(void)close(fd);
(void)close(client_sock);
}
ATF_TC(s_negative_not_connected_socket_v4);
ATF_TC_HEAD(s_negative_not_connected_socket_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a non-connected SOCK_STREAM socket results in ENOTCONN (IPv4)");
}
ATF_TC_BODY(s_negative_not_connected_socket_v4, tc)
{
s_negative_not_connected_socket_test(AF_INET);
}
ATF_TC(s_negative_not_connected_socket_v6);
ATF_TC_HEAD(s_negative_not_connected_socket_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a non-connected SOCK_STREAM socket results in ENOTCONN (IPv6)");
}
ATF_TC_BODY(s_negative_not_connected_socket_v6, tc)
{
s_negative_not_connected_socket_test(AF_INET6);
}
ATF_TC(s_negative_not_descriptor);
ATF_TC_HEAD(s_negative_not_descriptor, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that an invalid file descriptor, e.g., -1, fails with EBADF");
}
ATF_TC_BODY(s_negative_not_descriptor, tc)
{
int client_sock, error, fd;
client_sock = -1;
fd = open(SOURCE_FILE, O_CREAT|O_RDWR);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
error = sendfile(fd, client_sock, 0, 0, NULL, NULL, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(EBADF, error == -1);
(void)close(fd);
}
ATF_TC(s_negative_not_socket_file_descriptor);
ATF_TC_HEAD(s_negative_not_socket_file_descriptor, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a non-socket file descriptor fails with ENOTSOCK");
}
ATF_TC_BODY(s_negative_not_socket_file_descriptor, tc)
{
int client_sock, error, fd;
fd = open(SOURCE_FILE, O_CREAT|O_RDWR);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
client_sock = open(_PATH_DEVNULL, O_WRONLY);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
error = sendfile(fd, client_sock, 0, 0, NULL, NULL, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(ENOTSOCK, error == -1);
(void)close(fd);
(void)close(client_sock);
}
static void
s_negative_udp_socket_test(int domain)
{
int client_sock, error, fd, port;
port = generate_random_port(__LINE__ + domain);
client_sock = setup_client(domain, SOCK_DGRAM, port);
fd = open(SOURCE_FILE, O_CREAT|O_RDWR);
ATF_REQUIRE_MSG(fd != -1, "open failed: %s", strerror(errno));
error = sendfile(fd, client_sock, 0, 0, NULL, NULL, SF_FLAGS(0, 0));
ATF_REQUIRE_ERRNO(EINVAL, error == -1);
(void)close(fd);
(void)close(client_sock);
}
ATF_TC(s_negative_udp_socket_v4);
ATF_TC_HEAD(s_negative_udp_socket_v4, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a non-SOCK_STREAM type socket results in EINVAL (IPv4)");
}
ATF_TC_BODY(s_negative_udp_socket_v4, tc)
{
s_negative_udp_socket_test(AF_INET);
}
ATF_TC(s_negative_udp_socket_v6);
ATF_TC_HEAD(s_negative_udp_socket_v6, tc)
{
atf_tc_set_md_var(tc, "descr",
"Verify that a non-SOCK_STREAM type socket results in EINVAL (IPv6)");
}
ATF_TC_BODY(s_negative_udp_socket_v6, tc)
{
s_negative_udp_socket_test(AF_INET6);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, fd_positive_file_v4);
ATF_TP_ADD_TC(tp, fd_positive_file_v6);
ATF_TP_ADD_TC(tp, fd_positive_shm_v4);
ATF_TP_ADD_TC(tp, fd_positive_shm_v6);
ATF_TP_ADD_TC(tp, fd_negative_bad_fd_v4);
ATF_TP_ADD_TC(tp, fd_negative_bad_fd_v6);
ATF_TP_ADD_TC(tp, flags_v4);
ATF_TP_ADD_TC(tp, flags_v6);
/*
* TODO: the negative case for SF_NODISKIO (returns EBUSY if file in
* use) is not covered yet.
*
* Need to lock a file in a subprocess in write mode, then try and
* send the data in read mode with sendfile.
*
* This should work with FFS/UFS, but there are no guarantees about
* other filesystem implementations of sendfile(2), e.g., ZFS.
*/
ATF_TP_ADD_TC(tp, hdtr_positive_v4);
ATF_TP_ADD_TC(tp, hdtr_positive_v6);
ATF_TP_ADD_TC(tp, hdtr_negative_bad_pointers_v4);
ATF_TP_ADD_TC(tp, hdtr_negative_bad_pointers_v6);
ATF_TP_ADD_TC(tp, offset_negative_value_less_than_zero_v4);
ATF_TP_ADD_TC(tp, offset_negative_value_less_than_zero_v6);
ATF_TP_ADD_TC(tp, sbytes_positive_v4);
ATF_TP_ADD_TC(tp, sbytes_positive_v6);
ATF_TP_ADD_TC(tp, sbytes_negative_v4);
ATF_TP_ADD_TC(tp, sbytes_negative_v6);
ATF_TP_ADD_TC(tp, s_negative_not_connected_socket_v4);
ATF_TP_ADD_TC(tp, s_negative_not_connected_socket_v6);
ATF_TP_ADD_TC(tp, s_negative_not_descriptor);
ATF_TP_ADD_TC(tp, s_negative_not_socket_file_descriptor);
ATF_TP_ADD_TC(tp, s_negative_udp_socket_v4);
ATF_TP_ADD_TC(tp, s_negative_udp_socket_v6);
return (atf_no_error());
}