summaryrefslogtreecommitdiff
path: root/source4
diff options
context:
space:
mode:
Diffstat (limited to 'source4')
-rw-r--r--source4/lib/socket_wrapper/socket_wrapper.c112
1 files changed, 83 insertions, 29 deletions
diff --git a/source4/lib/socket_wrapper/socket_wrapper.c b/source4/lib/socket_wrapper/socket_wrapper.c
index c884b96c6c..7054068218 100644
--- a/source4/lib/socket_wrapper/socket_wrapper.c
+++ b/source4/lib/socket_wrapper/socket_wrapper.c
@@ -109,6 +109,7 @@ struct socket_info
int protocol;
int bound;
int bcast;
+ int is_server;
char *path;
char *tmp_path;
@@ -137,13 +138,9 @@ static const char *socket_wrapper_dir(void)
return s;
}
-static const char *socket_wrapper_dump_dir(void)
+static const char *socket_wrapper_pcap_file(void)
{
- const char *s = getenv("SOCKET_WRAPPER_DUMP_DIR");
-
- if (!socket_wrapper_dir()) {
- return NULL;
- }
+ const char *s = getenv("SOCKET_WRAPPER_PCAP_FILE");
if (s == NULL) {
return NULL;
@@ -435,23 +432,40 @@ static int sockaddr_convert_from_un(const struct socket_info *si,
}
enum swrap_packet_type {
- SWRAP_CONNECT,
- SWRAP_ACCEPT,
+ SWRAP_CONNECT_SEND,
+ SWRAP_CONNECT_UNREACH,
+ SWRAP_CONNECT_RECV,
+ SWRAP_CONNECT_ACK,
+ SWRAP_ACCEPT_SEND,
+ SWRAP_ACCEPT_RECV,
+ SWRAP_ACCEPT_ACK,
SWRAP_RECVFROM,
SWRAP_SENDTO,
+ SWRAP_SENDTO_UNREACH,
+ SWRAP_PENDING_RST,
SWRAP_RECV,
+ SWRAP_RECV_RST,
SWRAP_SEND,
- SWRAP_CLOSE
+ SWRAP_SEND_RST,
+ SWRAP_CLOSE_SEND,
+ SWRAP_CLOSE_RECV,
+ SWRAP_CLOSE_ACK
};
static void swrap_dump_packet(struct socket_info *si, const struct sockaddr *addr,
enum swrap_packet_type type,
- const void *buf, size_t len, ssize_t ret)
+ const void *buf, size_t len)
{
- if (!socket_wrapper_dump_dir()) {
+ const char *file_name;
+
+ file_name = socket_wrapper_pcap_file();
+ if (!file_name) {
return;
}
+ if (si->family != AF_INET) {
+ return;
+ }
}
_PUBLIC_ int swrap_socket(int family, int type, int protocol)
@@ -548,6 +562,7 @@ _PUBLIC_ int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
child_si->type = parent_si->type;
child_si->protocol = parent_si->protocol;
child_si->bound = 1;
+ child_si->is_server = 1;
ret = real_getsockname(fd, (struct sockaddr *)&un_my_addr, &un_my_addrlen);
if (ret == -1) {
@@ -572,7 +587,9 @@ _PUBLIC_ int swrap_accept(int s, struct sockaddr *addr, socklen_t *addrlen)
DLIST_ADD(sockets, child_si);
- swrap_dump_packet(child_si, addr, SWRAP_ACCEPT, NULL, 0, 0);
+ swrap_dump_packet(child_si, addr, SWRAP_ACCEPT_SEND, NULL, 0);
+ swrap_dump_packet(child_si, addr, SWRAP_ACCEPT_RECV, NULL, 0);
+ swrap_dump_packet(child_si, addr, SWRAP_ACCEPT_ACK, NULL, 0);
return fd;
}
@@ -668,6 +685,8 @@ _PUBLIC_ int swrap_connect(int s, const struct sockaddr *serv_addr, socklen_t ad
ret = sockaddr_convert_to_un(si, (const struct sockaddr *)serv_addr, addrlen, &un_addr, 0, NULL);
if (ret == -1) return -1;
+ swrap_dump_packet(si, serv_addr, SWRAP_CONNECT_SEND, NULL, 0);
+
ret = real_connect(s, (struct sockaddr *)&un_addr,
sizeof(struct sockaddr_un));
@@ -679,9 +698,12 @@ _PUBLIC_ int swrap_connect(int s, const struct sockaddr *serv_addr, socklen_t ad
if (ret == 0) {
si->peername_len = addrlen;
si->peername = sockaddr_dup(serv_addr, addrlen);
- }
- swrap_dump_packet(si, serv_addr, SWRAP_CONNECT, NULL, 0, ret);
+ swrap_dump_packet(si, serv_addr, SWRAP_CONNECT_RECV, NULL, 0);
+ swrap_dump_packet(si, serv_addr, SWRAP_CONNECT_ACK, NULL, 0);
+ } else {
+ swrap_dump_packet(si, serv_addr, SWRAP_CONNECT_UNREACH, NULL, 0);
+ }
return ret;
}
@@ -736,7 +758,7 @@ _PUBLIC_ int swrap_getpeername(int s, struct sockaddr *name, socklen_t *addrlen)
return real_getpeername(s, name, addrlen);
}
- if (!si->peername)
+ if (!si->peername)
{
errno = ENOTCONN;
return -1;
@@ -821,7 +843,7 @@ _PUBLIC_ ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags, struct
return -1;
}
- swrap_dump_packet(si, from, SWRAP_RECVFROM, buf, len, ret);
+ swrap_dump_packet(si, from, SWRAP_RECVFROM, buf, ret);
return ret;
}
@@ -863,7 +885,7 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, con
real_sendto(s, buf, len, flags, (struct sockaddr *)&un_addr, sizeof(un_addr));
}
- swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len, len);
+ swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len);
return len;
}
@@ -875,7 +897,12 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, con
errno = EHOSTUNREACH;
}
- swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len, ret);
+ if (ret == -1) {
+ swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len);
+ swrap_dump_packet(si, to, SWRAP_SENDTO_UNREACH, buf, len);
+ } else {
+ swrap_dump_packet(si, to, SWRAP_SENDTO, buf, ret);
+ }
return ret;
}
@@ -883,7 +910,8 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, con
_PUBLIC_ int swrap_ioctl(int s, int r, void *p)
{
int ret;
- struct socket_info *si = find_socket_info(s);
+ struct socket_info *si = find_socket_info(s);
+ int value;
if (!si) {
return real_ioctl(s, r, p);
@@ -891,6 +919,17 @@ _PUBLIC_ int swrap_ioctl(int s, int r, void *p)
ret = real_ioctl(s, r, p);
+ switch (r) {
+ case FIONREAD:
+ value = *((int *)p);
+ if (ret == -1 && errno != EAGAIN && errno != ENOBUFS) {
+ swrap_dump_packet(si, NULL, SWRAP_PENDING_RST, NULL, 0);
+ } else if (value == 0) { /* END OF FILE */
+ swrap_dump_packet(si, NULL, SWRAP_PENDING_RST, NULL, 0);
+ }
+ break;
+ }
+
return ret;
}
@@ -904,10 +943,13 @@ _PUBLIC_ ssize_t swrap_recv(int s, void *buf, size_t len, int flags)
}
ret = real_recv(s, buf, len, flags);
- if (ret == -1)
- return ret;
-
- swrap_dump_packet(si, NULL, SWRAP_RECV, buf, len, ret);
+ if (ret == -1 && errno != EAGAIN && errno != ENOBUFS) {
+ swrap_dump_packet(si, NULL, SWRAP_RECV_RST, NULL, 0);
+ } else if (ret == 0) { /* END OF FILE */
+ swrap_dump_packet(si, NULL, SWRAP_RECV_RST, NULL, 0);
+ } else {
+ swrap_dump_packet(si, NULL, SWRAP_RECV, buf, ret);
+ }
return ret;
}
@@ -923,10 +965,13 @@ _PUBLIC_ ssize_t swrap_send(int s, const void *buf, size_t len, int flags)
}
ret = real_send(s, buf, len, flags);
- if (ret == -1)
- return ret;
- swrap_dump_packet(si, NULL, SWRAP_SEND, buf, len, ret);
+ if (ret == -1) {
+ swrap_dump_packet(si, NULL, SWRAP_SEND, buf, len);
+ swrap_dump_packet(si, NULL, SWRAP_SEND_RST, NULL, 0);
+ } else {
+ swrap_dump_packet(si, NULL, SWRAP_SEND, buf, ret);
+ }
return ret;
}
@@ -942,11 +987,20 @@ _PUBLIC_ int swrap_close(int fd)
DLIST_REMOVE(sockets, si);
+ if (si->myname && si->peername) {
+ swrap_dump_packet(si, NULL, SWRAP_CLOSE_SEND, NULL, 0);
+ }
+
ret = real_close(fd);
- free(si->path);
- free(si->myname);
- free(si->peername);
+ if (si->myname && si->peername) {
+ swrap_dump_packet(si, NULL, SWRAP_CLOSE_RECV, NULL, 0);
+ swrap_dump_packet(si, NULL, SWRAP_CLOSE_ACK, NULL, 0);
+ }
+
+ if (si->path) free(si->path);
+ if (si->myname) free(si->myname);
+ if (si->peername) free(si->peername);
if (si->tmp_path) {
unlink(si->tmp_path);
free(si->tmp_path);
generated by cgit (git 2.34.1) at 2024-11-15 04:33:28 +0000