swrap: Add swrap_sendmsg_filter_cmsg_socket().

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Add swrap_sendmsg_copy_cmsg().

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Add swrap_sendmsg_filter_cmsghdr().

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

echo_srv: Implement support for IP_RECVDSTADDR on BSD.

Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

swrap: Implement support for IP_RECVDSTADDR on BSD.

Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

echo_srv: Fix building on OpenIndiana.

Solaris doesn't have support for auxillary messages.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Check if the in_pktinfo structure is available.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Silence a warning on OpenIndiana.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

tests: Fix assert_sockaddr_equal() file and line output.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

cmake: Add some warnings were we should error out.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Properly cache the handle also in LIBC_SO case.

Small regression introduced by me in commit
0fa56909442c3cfea6a697681ea0e89ba5a0aa0f.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=10572

Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

cmake: Fix a typo in socket_wrapper-config.cmake.in.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

cmake: Require cmocka versin 0.4.1.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

tests: Add test for different length passed to get(sock|peer)name.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Truncate the address if the buffer is to small.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Michael Adam <obnox@samba.org>

tests: Add support to sending IP_PKTINFO in echo_srv.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Michael Adam <obnox@samba.org>

tests: Add support to receive IP_PKTINFO in echo_srv.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Process control messages in recvmsg().

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Call swrap_msghdr_socket_info in swrap_recvmsg_after().

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

swrap: Add swrap_msghdr_socket_info().

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

swrap: Add swrap_msghdr_add_pktinfo().

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

swrap: Add swrap_msghdr_add_cmsghdr().

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>
Pair-Programmed-With: Michael Adam <obnox@samba.org>
Signed-off-by: Andreas Schneider <asn@samba.org>
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Michael Adam <obnox@samba.org>

swrap: Add IP_PKTINFO support in setsockopt.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

cmake: Add check for HAVE_STRUCT_IN6_PKTINFO.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

cmake: Build swrap with _GNU_SOURCE.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

tests: Add test to verify that the binded iface address is correct.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

swrap: Correctly set the bind iface address on connect().

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

swrap: use LIBC_SO from GNU libc, if available

Look for gnu/lib-names.h and use the LIBC_SO define to dlopen libc, so
the right library is loaded without manually searching for libc.so.N.

Signed-off-by: Pino Toscano <toscano.pino@tiscali.it>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Bump version to 1.0.2.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

swrap: Fall back to RTLD_NEXT if we can't find libc.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=10572

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

Fix some typos.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=10566

Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

swrap: Use the loaded libc open() directly.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

echo_srv: Fix possible resouce leaks on error in socket_dup().

CID: #17217

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

tests: Fix use of tainted string in test_ioctl.

CID: #17221

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

cmake: Fix policy check.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

cmake: Install cmake config in the correct directory.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Michael Adam <obnox@samba.org>

echo_srv: Improve reopening low fds.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

echo_srv: Don't leak client_sock on failures in echo_tcp

Signed-off-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Simo Sorce <idra@samba.org>

tests: Fix an out of bound access.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

tests: Fix a possible resource leak on error in sockopt test.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

swrap: Do not leak memory in swrap_recvmsg_after().

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

echo_srv: Fix resource leak of fd in pidfile().

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

echo_srv: Fix resource leak of s2 on error.

Found by Coverity.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

echo_srv: Fix resource leak of sock.

Found by Coverity.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

tests: Fix creating remove_cmd.

Found by Coverity.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

tests: Don't leak file description in test_ioctl.

Found by Coverity.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Simo Sorce <idra@samba.org>

cmake: Only set policy in cmake 3.0.

Signed-off-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

cmake: Fix configure warning with cmake 3.0.

Signed-off-by: Andreas Schneider <asn@samba.org>

cmake: Create the compile command database by default.

Signed-off-by: Andreas Schneider <asn@samba.org>

Bump version to 1.0.1.

cmake: Add socket_wrapper-config.cmake.

cmake: Use SOCKET_WRAPPER_LOCATION.

cmake: Add --libs output for pkg-config.

cpack: Don't package the obj directory.

src: Add a public socket_wrapper_enabled() function.

Reviewed-by: Jeremy Allison <jra@samba.org>

src: Fix va arg passing in open().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Handle stale fds in dup() and dup2().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Add timerfd_create() to handle stale fds.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Add eventfd() to handle stale fds.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Add signalfd() to handle stale fds.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Add socketpair() to handle stale fds.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Add pipe() to handle stale fds.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Check for stale fds in swrap_accept().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Check for stale fds in swrap_socket().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Handle stale fds in swrap_recvmsg_after().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Handle stale fds in swrap_sendmsg_after().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Try to recover when reading from a fd returns ENOTSOCK.

When attempting to read from a descriptor, if an underlying
autobind fails because it's not a socket, stop intercepting uses of that
descriptor.

Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Try to recover when writing to fd returns ENOTSOCK.

When attempting to write to a descriptor, if an underlying autobind
fails because it's not a socket, stop intercepting uses of that
descriptor.

Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Try to recover when sockets are closed elsewhere.

There are methods for closing descriptors (libc-internal code paths,
direct syscalls) which close descriptors in ways that we
can't intercept, so try to recover when we notice that that's happened:
  * If we see a descriptor being handed back from open() that we thought
    was a socket, stop intercepting uses of that descriptor.

Reviewed-by: Andreas Schneider <asn@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>

src: Use swrap_recvmsg_(before|after) for swrap_readv().

Reviewed-by: Stefan Metzmacher <metze@samba.org>

Update TODO.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

Update ChangeLog.

Reviewed-by: Stefan Metzmacher <metze@samba.org>

Update TODO.

src: Fix warnings on Solaris.

src: Initialize sockaddr_un.

Fixes a valgrind warning.

src: Make sure the memory is zeroed.

src: Case pid_t to an int in SWRAP_LOG.

cmake: Only build test_sendmsg_recvmsg_fd if we have msg_control.

src: Fix setting the temp iovec.

src: Fix build on Solaris.

cmake: Check for HAVE_STRUCT_MSGHDR_MSG_CONTROL.

cmake: Fix HAVE_STRUCT_SOCKADDR_SA_LEN detection.

src: Fix build warnings on FreeBSD.

cmake: Add cmake config version script.

cmake: Add pkg-config file.

Improve the README.

tests: Add sendmsg_recvmsg_fd test.

tests: Add test_echo_udp_sendmsg_recvmsg.

swrap: Implement recvmsg().

swrap: Fix DGRAM in swrap_recvmsg(before|after).

swrap: Use swrap_recvmsg_* in swrap_read().

swrap: Use swrap_recvmsg_* in swrap_recv().

swrap: Use swrap_recvmsg_* in swrap_recvfrom().

swrap: Add swrap_recvmsg_after().

swrap: Add swrap_recvmsg_before().

echo_srv: Add fd duplication and test it works.

test: Fix getsockopt on Solaris.

tests: Fix getsockopt() on Solaris.

tests: writev/readv must have iovec > 0

writev/readv with iovec == 0 works on Linux, but that is not portable.

tests: Remove unused variable warning

The variables were unused if SIOCGPGRP wasn't defined.