diff options
author | Stefan Metzmacher <metze@samba.org> | 2006-09-12 06:19:11 +0000 |
---|---|---|
committer | Gerald (Jerry) Carter <jerry@samba.org> | 2007-10-10 14:18:26 -0500 |
commit | b5ea572f450a9161b96c9c08789791054d24df37 (patch) | |
tree | d8d558db84668b5ba41e5fdd16dbc03967c98705 /source4 | |
parent | 4de4af09426847d5f16361645dfa43dc75895189 (diff) | |
download | samba-b5ea572f450a9161b96c9c08789791054d24df37.tar.gz samba-b5ea572f450a9161b96c9c08789791054d24df37.tar.bz2 samba-b5ea572f450a9161b96c9c08789791054d24df37.zip |
r18417: overload send() and recv() by socket wrapper
and add a dummy swrap_dump_packet() function
which can later dump the packet content,
so that a script can then generate a capture file
for wireshark
metze
(This used to be commit d05cab5c626b5960448f206e8c17b89edbf78733)
Diffstat (limited to 'source4')
-rw-r--r-- | source4/lib/socket_wrapper/socket_wrapper.c | 64 | ||||
-rw-r--r-- | source4/lib/socket_wrapper/socket_wrapper.h | 14 |
2 files changed, 75 insertions, 3 deletions
diff --git a/source4/lib/socket_wrapper/socket_wrapper.c b/source4/lib/socket_wrapper/socket_wrapper.c index 702b192aff..5ba1624af6 100644 --- a/source4/lib/socket_wrapper/socket_wrapper.c +++ b/source4/lib/socket_wrapper/socket_wrapper.c @@ -53,6 +53,8 @@ #define real_setsockopt setsockopt #define real_recvfrom recvfrom #define real_sendto sendto +#define real_recv recv +#define real_send send #define real_socket socket #define real_close close #endif @@ -398,6 +400,20 @@ static int sockaddr_convert_from_un(const struct socket_info *si, return -1; } +enum swrap_packet_type { + SWRAP_RECVFROM, + SWRAP_SENDTO, + SWRAP_RECV, + SWRAP_SEND +}; + +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) +{ + +} + _PUBLIC_ int swrap_socket(int domain, int type, int protocol) { struct socket_info *si; @@ -700,12 +716,14 @@ _PUBLIC_ ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags, struct si->domain, from, fromlen) == -1) { return -1; } - + + swrap_dump_packet(si, from, SWRAP_RECVFROM, buf, len, ret); + return ret; } -_PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen) +_PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen) { struct sockaddr_un un_addr; int ret; @@ -740,6 +758,9 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, /* ignore the any errors in broadcast sends */ real_sendto(s, buf, len, flags, (struct sockaddr *)&un_addr, sizeof(un_addr)); } + + swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len, len); + return len; } @@ -752,6 +773,45 @@ _PUBLIC_ ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, } } + swrap_dump_packet(si, to, SWRAP_SENDTO, buf, len, ret); + + return ret; +} + +_PUBLIC_ ssize_t swrap_recv(int s, void *buf, size_t len, int flags) +{ + int ret; + struct socket_info *si = find_socket_info(s); + + if (!si) { + return real_recv(s, buf, len, flags); + } + + ret = real_recv(s, buf, len, flags); + if (ret == -1) + return ret; + + swrap_dump_packet(si, NULL, SWRAP_RECV, buf, len, ret); + + return ret; +} + + +_PUBLIC_ ssize_t swrap_send(int s, const void *buf, size_t len, int flags) +{ + int ret; + struct socket_info *si = find_socket_info(s); + + if (!si) { + return real_send(s, buf, len, flags); + } + + ret = real_send(s, buf, len, flags); + if (ret == -1) + return ret; + + swrap_dump_packet(si, NULL, SWRAP_SEND, buf, len, ret); + return ret; } diff --git a/source4/lib/socket_wrapper/socket_wrapper.h b/source4/lib/socket_wrapper/socket_wrapper.h index 3c4a2c01dc..b4cdcbbe32 100644 --- a/source4/lib/socket_wrapper/socket_wrapper.h +++ b/source4/lib/socket_wrapper/socket_wrapper.h @@ -28,7 +28,9 @@ int swrap_getsockname(int s, struct sockaddr *name, socklen_t *addrlen); int swrap_getsockopt(int s, int level, int optname, void *optval, socklen_t *optlen); int swrap_setsockopt(int s, int level, int optname, const void *optval, socklen_t optlen); ssize_t swrap_recvfrom(int s, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen); -ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen); +ssize_t swrap_sendto(int s, const void *buf, size_t len, int flags, const struct sockaddr *to, socklen_t tolen); +ssize_t swrap_recv(int s, void *buf, size_t len, int flags); +ssize_t swrap_send(int s, const void *buf, size_t len, int flags); int swrap_close(int); #ifdef SOCKET_WRAPPER_REPLACE @@ -78,6 +80,16 @@ int swrap_close(int); #endif #define sendto(s,buf,len,flags,to,tolen) swrap_sendto(s,buf,len,flags,to,tolen) +#ifdef recv +#undef recv +#endif +#define recv(s,buf,len,flags) swrap_recv(s,buf,len,flags) + +#ifdef send +#undef send +#endif +#define send(s,buf,len,flags) swrap_send(s,buf,len,flags) + #ifdef socket #undef socket #endif |