*/
#include "tests.h"
-#include "netlink.h"
#include <stdio.h>
#include <string.h>
#include <stdint.h>
-#include <sys/socket.h>
+#include <sys/sysmacros.h>
#include <netinet/tcp.h>
-#include <linux/rtnetlink.h>
+#include "test_nlattr.h"
#include <linux/sock_diag.h>
#include <linux/unix_diag.h>
static void
-init_unix_diag_msg(struct nlmsghdr *nlh, unsigned int msg_len)
+init_unix_diag_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
{
- struct unix_diag_msg *msg;
-
SET_STRUCT(struct nlmsghdr, nlh,
.nlmsg_len = msg_len,
.nlmsg_type = SOCK_DIAG_BY_FAMILY,
.nlmsg_flags = NLM_F_DUMP
);
- msg = NLMSG_DATA(nlh);
+ struct unix_diag_msg *const msg = NLMSG_DATA(nlh);
SET_STRUCT(struct unix_diag_msg, msg,
.udiag_family = AF_UNIX,
.udiag_type = SOCK_STREAM,
- .udiag_state = TCP_FIN_WAIT1
+ .udiag_state = TCP_ESTABLISHED
);
}
static void
-test_unix_diag_vfs(const int fd)
+print_unix_diag_msg(const unsigned int msg_len)
{
- const int hdrlen = sizeof(struct unix_diag_msg);
- struct nlmsghdr *nlh;
- struct nlattr *nla;
- unsigned int nla_len;
- unsigned int msg_len;
- void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
- long rc;
-
- /* len < sizeof(struct unix_diag_vfs) */
- nla_len = NLA_HDRLEN + 2;
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_VFS
- );
- memcpy(RTA_DATA(nla), "12", 2);
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_VFS}, \"12\"}}"
- ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, msg_len, sprintrc(rc));
-
- /* short read of unix_diag_vfs */
- nla_len = NLA_HDRLEN + sizeof(struct unix_diag_vfs);
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - (nla_len - 1);
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_VFS
- );
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_VFS}, %p}}"
- ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, RTA_DATA(nla), msg_len, sprintrc(rc));
-
- /* unix_diag_vfs */
- nla_len = NLA_HDRLEN + sizeof(struct unix_diag_vfs);
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_VFS
- );
- static const struct unix_diag_vfs uv = {
- .udiag_vfs_dev = 0xabcddafa,
- .udiag_vfs_ino = 0xbafabcda
- };
- memcpy(RTA_DATA(nla), &uv, sizeof(uv));
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ printf("{len=%u, type=SOCK_DIAG_BY_FAMILY"
", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_VFS}, {udiag_vfs_dev=makedev(%u, %u)"
- ", udiag_vfs_ino=%u}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, major(uv.udiag_vfs_dev),
- minor(uv.udiag_vfs_dev), uv.udiag_vfs_ino,
- msg_len, sprintrc(rc));
+ ", udiag_type=SOCK_STREAM, udiag_state=TCP_ESTABLISHED"
+ ", udiag_ino=0, udiag_cookie=[0, 0]}",
+ msg_len);
}
static void
-test_unix_diag_icons(const int fd)
+print_uint(const unsigned int *p)
{
- const int hdrlen = sizeof(struct unix_diag_msg);
- struct nlmsghdr *nlh;
- struct nlattr *nla;
- unsigned int nla_len;
- unsigned int msg_len;
- void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
- long rc;
-
- /* len < sizeof(uint32_t) */
- nla_len = NLA_HDRLEN + 2;
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_ICONS
- );
- memcpy(RTA_DATA(nla), "12", 2);
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_ICONS}, \"12\"}}, %u"
- ", MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, msg_len, sprintrc(rc));
-
- /* len == sizeof(uint32_t) * 2 - 1 */
- nla_len = NLA_HDRLEN + sizeof(uint32_t) * 2 - 1;
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_ICONS
- );
- static const uint32_t inode[] = { 0xadbcadbc, 0xfabdcdac };
- memcpy(RTA_DATA(nla), inode, sizeof(inode[0]));
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_ICONS}, [%u]}}, %u"
- ", MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, inode[0], msg_len, sprintrc(rc));
-
- /* len == sizeof(uint32_t) * 2 */
- nla_len = NLA_HDRLEN + sizeof(uint32_t) * 2;
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_ICONS
- );
- memcpy(RTA_DATA(nla), inode, sizeof(inode));
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_ICONS}, [%u, %u]}}, %u"
- ", MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len,
- inode[0], inode[1], msg_len, sprintrc(rc));
+ printf("%u", *p);
}
-static void
-test_unix_diag_rqlen(const int fd)
+int
+main(void)
{
- const int hdrlen = sizeof(struct unix_diag_msg);
- struct nlmsghdr *nlh;
- struct nlattr *nla;
- unsigned int nla_len;
- unsigned int msg_len;
- void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
- long rc;
-
- /* len < sizeof(struct unix_diag_rqlen) */
- nla_len = NLA_HDRLEN + 2;
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_RQLEN
- );
- memcpy(RTA_DATA(nla), "12", 2);
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
-
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_RQLEN}, \"12\"}}"
- ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, msg_len, sprintrc(rc));
-
- /* short read of unix_diag_rqlen */
- nla_len = NLA_HDRLEN + sizeof(struct unix_diag_rqlen);
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - (nla_len - 1);
- init_unix_diag_msg(nlh, msg_len);
-
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_RQLEN
- );
+ skip_if_unavailable("/proc/self/fd/");
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
+ const int fd = create_nl_socket(NETLINK_SOCK_DIAG);
+ const unsigned int hdrlen = sizeof(struct unix_diag_msg);
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_RQLEN}, %p}}"
- ", %u, MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, RTA_DATA(nla),
- msg_len, sprintrc(rc));
+#define DEFAULT_STRLEN 32
+ static char pattern[DEFAULT_STRLEN];
+ fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
- /* unix_diag_rqlen */
- nla_len = NLA_HDRLEN + sizeof(struct unix_diag_rqlen);
- msg_len = NLMSG_SPACE(hdrlen) + nla_len;
- nlh = nlh0 - nla_len;
- init_unix_diag_msg(nlh, msg_len);
+ static const struct unix_diag_vfs uv = {
+ .udiag_vfs_dev = 0xabcddafa,
+ .udiag_vfs_ino = 0xbafabcda
+ };
+ TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
+ init_unix_diag_msg, print_unix_diag_msg,
+ UNIX_DIAG_VFS, pattern, uv,
+ printf("{udiag_vfs_dev=makedev(%u, %u)",
+ major(uv.udiag_vfs_dev),
+ minor(uv.udiag_vfs_dev));
+ PRINT_FIELD_U(", ", uv, udiag_vfs_ino);
+ printf("}"));
- nla = NLMSG_ATTR(nlh, hdrlen);
- SET_STRUCT(struct nlattr, nla,
- .nla_len = nla_len,
- .nla_type = UNIX_DIAG_RQLEN
- );
static const struct unix_diag_rqlen rql = {
.udiag_rqueue = 0xfabdcdad,
.udiag_wqueue = 0xbacdadcf
};
- memcpy(RTA_DATA(nla), &rql, sizeof(rql));
-
- rc = sendto(fd, nlh, msg_len, MSG_DONTWAIT, NULL, 0);
+ TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
+ init_unix_diag_msg, print_unix_diag_msg,
+ UNIX_DIAG_RQLEN, pattern, rql,
+ PRINT_FIELD_U("{", rql, udiag_rqueue);
+ PRINT_FIELD_U(", ", rql, udiag_wqueue);
+ printf("}"));
- printf("sendto(%d, {{len=%u, type=SOCK_DIAG_BY_FAMILY"
- ", flags=NLM_F_DUMP, seq=0, pid=0}, {udiag_family=AF_UNIX"
- ", udiag_type=SOCK_STREAM, udiag_state=TCP_FIN_WAIT1"
- ", udiag_ino=0, udiag_cookie=[0, 0]}, {{nla_len=%u"
- ", nla_type=UNIX_DIAG_RQLEN}, {udiag_rqueue=%u"
- ", udiag_wqueue=%u}}}, %u, MSG_DONTWAIT, NULL, 0) = %s\n",
- fd, msg_len, nla_len, rql.udiag_rqueue,
- rql.udiag_wqueue, msg_len, sprintrc(rc));
-}
-
-int main(void)
-{
- skip_if_unavailable("/proc/self/fd/");
-
- int fd = create_nl_socket(NETLINK_SOCK_DIAG);
-
- test_unix_diag_vfs(fd);
- test_unix_diag_icons(fd);
- test_unix_diag_rqlen(fd);
-
- printf("+++ exited with 0 +++\n");
+ static const uint32_t inode[] = { 0xadbcadbc, 0xfabdcdac };
+ TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
+ init_unix_diag_msg, print_unix_diag_msg,
+ UNIX_DIAG_ICONS, pattern, inode, print_uint);
+ puts("+++ exited with 0 +++");
return 0;
}
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