svn commit: samba r19085 - in
branches/SAMBA_3_0/source/lib/socket_wrapper: .
metze at samba.org
metze at samba.org
Thu Oct 5 07:05:27 GMT 2006
Author: metze
Date: 2006-10-05 07:05:26 +0000 (Thu, 05 Oct 2006)
New Revision: 19085
WebSVN: http://websvn.samba.org/cgi-bin/viewcvs.cgi?view=rev&root=samba&rev=19085
Log:
merge from samba4:
- source and destination address handling
- tcp handling
metze
Modified:
branches/SAMBA_3_0/source/lib/socket_wrapper/socket_wrapper.c
Changeset:
Modified: branches/SAMBA_3_0/source/lib/socket_wrapper/socket_wrapper.c
===================================================================
--- branches/SAMBA_3_0/source/lib/socket_wrapper/socket_wrapper.c 2006-10-05 07:03:41 UTC (rev 19084)
+++ branches/SAMBA_3_0/source/lib/socket_wrapper/socket_wrapper.c 2006-10-05 07:05:26 UTC (rev 19085)
@@ -120,6 +120,11 @@
struct sockaddr *peername;
socklen_t peername_len;
+ struct {
+ unsigned long pck_snd;
+ unsigned long pck_rcv;
+ } io;
+
struct socket_info *prev, *next;
};
@@ -456,7 +461,13 @@
enum swrap_packet_type type,
const void *buf, size_t len)
{
+ const struct sockaddr_in *src_addr;
+ const struct sockaddr_in *dest_addr;
const char *file_name;
+ unsigned long tcp_seq = 0;
+ unsigned long tcp_ack = 0;
+ unsigned char tcp_ctl = 0;
+ int unreachable = 0;
file_name = socket_wrapper_pcap_file();
if (!file_name) {
@@ -466,6 +477,237 @@
if (si->family != AF_INET) {
return;
}
+
+ switch (type) {
+ case SWRAP_CONNECT_SEND:
+ if (si->type != SOCK_STREAM) return;
+
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)addr;
+
+ tcp_seq = si->io.pck_snd;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x02; /* SYN */
+
+ si->io.pck_snd += 1;
+
+ break;
+
+ case SWRAP_CONNECT_RECV:
+ if (si->type != SOCK_STREAM) return;
+
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)addr;
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x12; /** SYN,ACK */
+
+ si->io.pck_rcv += 1;
+
+ break;
+
+ case SWRAP_CONNECT_UNREACH:
+ if (si->type != SOCK_STREAM) return;
+
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)addr;
+
+ /* Unreachable: resend the data of SWRAP_CONNECT_SEND */
+ tcp_seq = si->io.pck_snd - 1;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x02; /* SYN */
+ unreachable = 1;
+
+ break;
+
+ case SWRAP_CONNECT_ACK:
+ if (si->type != SOCK_STREAM) return;
+
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)addr;
+
+ tcp_seq = si->io.pck_snd;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x10; /* ACK */
+
+ break;
+
+ case SWRAP_ACCEPT_SEND:
+ if (si->type != SOCK_STREAM) return;
+
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)addr;
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x02; /* SYN */
+
+ si->io.pck_rcv += 1;
+
+ break;
+
+ case SWRAP_ACCEPT_RECV:
+ if (si->type != SOCK_STREAM) return;
+
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)addr;
+
+ tcp_seq = si->io.pck_snd;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x12; /* SYN,ACK */
+
+ si->io.pck_snd += 1;
+
+ break;
+
+ case SWRAP_ACCEPT_ACK:
+ if (si->type != SOCK_STREAM) return;
+
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)addr;
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x10; /* ACK */
+
+ break;
+
+ case SWRAP_SEND:
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)si->peername;
+
+ tcp_seq = si->io.pck_snd;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x18; /* PSH,ACK */
+
+ si->io.pck_snd += len;
+
+ break;
+
+ case SWRAP_SEND_RST:
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)si->peername;
+
+ if (si->type == SOCK_DGRAM) {
+ swrap_dump_packet(si, si->peername,
+ SWRAP_SENDTO_UNREACH,
+ buf, len);
+ return;
+ }
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x14; /** RST,ACK */
+
+ break;
+
+ case SWRAP_PENDING_RST:
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)si->peername;
+
+ if (si->type == SOCK_DGRAM) {
+ return;
+ }
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x14; /* RST,ACK */
+
+ break;
+
+ case SWRAP_RECV:
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)si->peername;
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x18; /* PSH,ACK */
+
+ si->io.pck_rcv += len;
+
+ break;
+
+ case SWRAP_RECV_RST:
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)si->peername;
+
+ if (si->type == SOCK_DGRAM) {
+ return;
+ }
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x14; /* RST,ACK */
+
+ break;
+
+ case SWRAP_SENDTO:
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)addr;
+
+ si->io.pck_snd += len;
+
+ break;
+
+ case SWRAP_SENDTO_UNREACH:
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)addr;
+
+ unreachable = 1;
+
+ break;
+
+ case SWRAP_RECVFROM:
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)addr;
+
+ si->io.pck_rcv += len;
+
+ break;
+
+ case SWRAP_CLOSE_SEND:
+ if (si->type != SOCK_STREAM) return;
+
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)si->peername;
+
+ tcp_seq = si->io.pck_snd;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x11; /* FIN, ACK */
+
+ si->io.pck_snd += 1;
+
+ break;
+
+ case SWRAP_CLOSE_RECV:
+ if (si->type != SOCK_STREAM) return;
+
+ dest_addr = (const struct sockaddr_in *)si->myname;
+ src_addr = (const struct sockaddr_in *)si->peername;
+
+ tcp_seq = si->io.pck_rcv;
+ tcp_ack = si->io.pck_snd;
+ tcp_ctl = 0x11; /* FIN,ACK */
+
+ si->io.pck_rcv += 1;
+
+ break;
+
+ case SWRAP_CLOSE_ACK:
+ if (si->type != SOCK_STREAM) return;
+
+ src_addr = (const struct sockaddr_in *)si->myname;
+ dest_addr = (const struct sockaddr_in *)si->peername;
+
+ tcp_seq = si->io.pck_snd;
+ tcp_ack = si->io.pck_rcv;
+ tcp_ctl = 0x10; /* ACK */
+
+ break;
+ }
+
+ /* TODO: contruct the blob and write to the file */
}
_PUBLIC_ int swrap_socket(int family, int type, int protocol)
More information about the samba-cvs
mailing list