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7 years agonetlink: refactor decode_nlmsg_type
Dmitry V. Levin [Wed, 14 Jun 2017 23:32:45 +0000 (23:32 +0000)]
netlink: refactor decode_nlmsg_type

* netlink.c (decode_nlmsg_type_default, decode_nlmsg_type_netfilter):
New functions.
(nlmsg_types_decoder_t): New typedef.
(nlmsg_types): Add decoder field.
(decode_nlmsg_type): Use it.

7 years agotests: extend printstr test
JingPiao Chen [Wed, 14 Jun 2017 03:54:16 +0000 (11:54 +0800)]
tests: extend printstr test

* tests/printstr.c (main): Add a case for short read.

7 years agov4l2: fix preprocessor checks
Dmitry V. Levin [Tue, 13 Jun 2017 21:00:04 +0000 (21:00 +0000)]
v4l2: fix preprocessor checks

Fix checks for struct v4l2_window.global_alpha and struct
v4l2_sdr_format.buffersize.

* v4l2.c (print_v4l2_format_fmt): Do not assume that
HAVE_STRUCT_V4L2_WINDOW_GLOBAL_ALPHA and
HAVE_STRUCT_V4L2_SDR_FORMAT_BUFFERSIZE are defined.
* tests/ioctl_v4l2.c (init_v4l2_format, dprint_ioctl_v4l2): Likewise.

7 years agoMove xlat related functions to a separate file
Dmitry V. Levin [Mon, 12 Jun 2017 15:41:54 +0000 (15:41 +0000)]
Move xlat related functions to a separate file

* util.c (xlookup, xlat_bsearch_compare, xlat_search, printxvals,
printxval_searchn, addflags, sprintflags, printflags_ex): Move ...
* xlat.c: ... to this new file.
* Makefile.am (strace_SOURCES): Add it.

7 years agosocketeutils: extend receive_responses further
Masatake YAMATO [Sun, 11 Jun 2017 07:42:28 +0000 (16:42 +0900)]
socketeutils: extend receive_responses further

This is the second patch in series of implementing NETLINK_GENERIC
protocol decoder.

This change allows passing of opaque user data to the callback function.

* socketutils.c (receive_responses): Change the type of proto_name
argument from "const char *" to "void *" to allow passing
of arbitrary data to the callback function.
Rename proto_name to opaque_data, make it the last argument.
Pass it to the callback function as the last argument.
(inet_parse_response, unix_parse_response, netlink_parse_response):
Change the type of proto_name argument from "const char *" to "void *",
rename it to opaque_data, make it the last argument.
Introduce a local variable proto_name to convert the type
of opaque_data argument from "void *" to "const char *".
(unix_get, inet_get, netlink_get): Cast the protocol name from
"const char *" to "void *" for passing to the callback function.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agosocketeutils: extend receive_responses to handle other netlink types
Masatake YAMATO [Sun, 11 Jun 2017 07:42:27 +0000 (16:42 +0900)]
socketeutils: extend receive_responses to handle other netlink types

This is the first patch in series of implementing NETLINK_GENERIC
protocol decoder.

receive_responses was written for decoding kernel responses of type
SOCK_DIAG_BY_FAMILY, other types were ignored.

This change makes the type of netlink response a parameter
so the function can be used for other types of communication.

* socketutils.c (receive_responses): add a new parameter
expected_msg_type to handle types other than SOCK_DIAG_BY_FAMILY.

Signed-off-by: Masatake YAMATO <yamato@redhat.com>
Signed-off-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agotests: fix typo
JingPiao Chen [Mon, 12 Jun 2017 15:33:00 +0000 (23:33 +0800)]
tests: fix typo

* tests/dup3.c (SKIP_MAIN_UNDEFINED): Remove duplicated &&.

7 years agoIntroduce printflags_ex function
Dmitry V. Levin [Thu, 8 Jun 2017 22:15:58 +0000 (22:15 +0000)]
Introduce printflags_ex function

Add printflags_ex extension over printflags64 that, similar
to printxvals, takes a NULL-terminated sequence of xlat pointers.

* defs.h (printflags_ex): New prototype.
(printflags64): Turn into a thin wrapper around printflags_ex.
* netlink.c (decode_nlmsg_flags): Use printflags_ex.
* util.c (printflags_ex): New function.
(printflags64): Remove.
* xlat/netlink_get_flags.in: Remove entries listed
in xlat/netlink_flags.in file.
* xlat/netlink_new_flags.in: Likewise.

7 years agotests: add check for decoding netlink get and new flags
JingPiao Chen [Wed, 7 Jun 2017 15:35:19 +0000 (23:35 +0800)]
tests: add check for decoding netlink get and new flags

* tests/netlink_route.c (test_nlmsg_flags): New function, checks
decoding of NETLINK_ROUTE get and new flags.
(main): Use it.
* tests/netlink_sock_diag.c (test_nlmsg_flags): New function, checks
decoding of NETLINK_SOCK_DIAG get flags.
(main): Use it.
* tests/netlink_xfrm.c: (test_nlmsg_flags): New function, checks
decoding of NETLINK_XFRM get and new flags.
(main): Use it.

7 years agonetlink: implement generic nlmsg_flags decoding
JingPiao Chen [Thu, 8 Jun 2017 01:02:22 +0000 (09:02 +0800)]
netlink: implement generic nlmsg_flags decoding

* netlink.c: Include "xlat/netlink_get_flags.h"
and "xlat/netlink_new_flags.h".
(decode_nlmsg_flags): New function.
(print_nlmsghdr): Use it.
* xlat/netlink_get_flags.in: New file.
* xlat/netlink_new_flags.in: Likewise.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agoxlat: provide fallback definitions for XFRM_MSG_* constants
Dmitry V. Levin [Tue, 6 Jun 2017 20:25:26 +0000 (20:25 +0000)]
xlat: provide fallback definitions for XFRM_MSG_* constants

Some of XFRM_MSG_* constants were introduced later than the header file
where they are defined.

* xlat/nl_xfrm_types.in: Add default values for constants.

7 years agosyscall.c: split trace_syscall() into 6 functions
Victor Krapivensky [Mon, 5 Jun 2017 19:19:07 +0000 (22:19 +0300)]
syscall.c: split trace_syscall() into 6 functions

This change removes the trace_syscall function.  Now, the code that uses
syscall.c trace functions is expected to check whether it is a syscall
entry or exit (with entering(tcp)/exiting(tcp)) itself, and then make
an appropriate sequence of function calls.

* defs.h: Update comment on TCB_INSYSCALL.
(trace_syscall): Remove prototype.
(syscall_entering_decode, syscall_entering_trace,
syscall_entering_finish, syscall_exiting_decode, syscall_exiting_trace,
syscall_exiting_finish): New prototypes.
* strace.c (trace_syscall): New static replacement for old trace_syscall.
* syscall.c (trace_syscall): Remove.
(trace_syscall_entering): Split into ...
(syscall_entering_decode, syscall_entering_trace,
syscall_entering_finish): ... new functions.
(trace_syscall_exiting): Split into ...
(syscall_exiting_decode, syscall_exiting_trace,
syscall_exiting_finish): ... new functions.

7 years agotests: guard against missing linux/netfilter/nfnetlink.h
Dmitry V. Levin [Mon, 5 Jun 2017 13:59:56 +0000 (13:59 +0000)]
tests: guard against missing linux/netfilter/nfnetlink.h

nfnetlink was introduced in linux by commit v2.6.14-rc1~1035^2~217,
add a guard for the case when system headers are not fresh enough.

* configure.ac (AC_CHECK_HEADERS): Add linux/netfilter/nfnetlink.h.
* tests/netlink_netfilter.c: Check for HAVE_LINUX_NETFILTER_NFNETLINK_H.

7 years agotests: check decoding of NETLINK_XFRM message types
JingPiao Chen [Mon, 5 Jun 2017 14:05:12 +0000 (22:05 +0800)]
tests: check decoding of NETLINK_XFRM message types

* tests/netlink_xfrm.c: New file.
* tests/gen_tests.in (netlink_xfrm): New entry.
* tests/pure_executables.list: Add netlink_xfrm.
* tests/.gitignore: Likewise.

7 years agotests: check decoding of NETLINK_SELINUX message types
JingPiao Chen [Mon, 5 Jun 2017 14:05:11 +0000 (22:05 +0800)]
tests: check decoding of NETLINK_SELINUX message types

* tests/netlink_selinux.c: New file.
* tests/gen_tests.in (netlink_selinux): New entry.
* tests/pure_executables.list: Add netlink_selinux.
* tests/.gitignore: Likewise.

7 years agotests: check decoding of NETLINK_NETFILTER message types
JingPiao Chen [Mon, 5 Jun 2017 14:05:10 +0000 (22:05 +0800)]
tests: check decoding of NETLINK_NETFILTER message types

* tests/netlink_netfilter.c: New file.
* tests/gen_tests.in (netlink_netfilter): New entry.
* tests/pure_executables.list: Add netlink_netfilter.
* tests/.gitignore: Likewise.

7 years agotests: check decoding of NETLINK_AUDIT message types
JingPiao Chen [Mon, 5 Jun 2017 14:05:09 +0000 (22:05 +0800)]
tests: check decoding of NETLINK_AUDIT message types

* tests/netlink_audit.c: New file.
* tests/gen_tests.in (netlink_audit): New entry.
* tests/pure_executables.list: Add netlink_audit.
* tests/.gitignore: Likewise.

7 years agotests: check decoding of NETLINK_ROUTE message types
JingPiao Chen [Mon, 5 Jun 2017 14:05:08 +0000 (22:05 +0800)]
tests: check decoding of NETLINK_ROUTE message types

* tests/netlink_route.c: New file.
* tests/gen_tests.in (netlink_route): New entry.
* tests/pure_executables.list: Add netlink_route.
* tests/.gitignore: Likewise.

7 years agotests: check decoding of NETLINK_SOCK_DIAG message types
JingPiao Chen [Mon, 5 Jun 2017 14:05:07 +0000 (22:05 +0800)]
tests: check decoding of NETLINK_SOCK_DIAG message types

* tests/netlink_sock_diag.c: New file.
* tests/netlink_sock_diag.test: New test.
* tests/pure_executables.list: Add netlink_sock_diag.
* tests/.gitignore: Likewise.
* tests/Makefile.am (DECODER_TESTS): Add netlink_sock_diag.test.

7 years agotests: use create_nl_socket in netlink_protocol.test
Dmitry V. Levin [Mon, 5 Jun 2017 13:11:44 +0000 (13:11 +0000)]
tests: use create_nl_socket in netlink_protocol.test

* tests/netlink_protocol.c (main): Use create_nl_socket.

7 years agotests: change netlink_protocol.test to trace sendto syscalls only
Dmitry V. Levin [Mon, 5 Jun 2017 13:11:44 +0000 (13:11 +0000)]
tests: change netlink_protocol.test to trace sendto syscalls only

* tests/gen_tests.in (netlink_protocol): Replace %network with sendto.
* tests/netlink_protocol.c (main): Update expected output.

7 years agotests: enhance create_nl_socket diagnostics messages
Dmitry V. Levin [Mon, 5 Jun 2017 12:17:49 +0000 (12:17 +0000)]
tests: enhance create_nl_socket diagnostics messages

* tests/tests.h (create_nl_socket): Rename to create_nl_socket_ext,
add a string argument.
(create_nl_socket): New macro wrapper around create_nl_socket_ext.
* tests/create_nl_socket.c (create_nl_socket): Rename
to create_nl_socket_ext, add a string argument, include it
in diagnostic messages.

7 years agotests: use const and designated initializers in create_nl_socket.c
Dmitry V. Levin [Mon, 5 Jun 2017 12:16:01 +0000 (12:16 +0000)]
tests: use const and designated initializers in create_nl_socket.c

* tests/create_nl_socket.c: Stop including <string.h>.
(create_nl_socket): Use const and designated initializers.

7 years agotests: add create_nl_socket function to libtests
JingPiao Chen [Mon, 5 Jun 2017 14:05:07 +0000 (22:05 +0800)]
tests: add create_nl_socket function to libtests

* tests/create_nl_socket.c: New file.
* tests/tests.h (create_nl_socket): New prototype.
* tests/Makefile.am (libtests_a_SOURCES): Add create_nl_socket.c.

7 years agonetlink: add decoding of NETLINK_NETFILTER message types
Dmitry V. Levin [Sun, 4 Jun 2017 18:14:50 +0000 (18:14 +0000)]
netlink: add decoding of NETLINK_NETFILTER message types

* xlat/nl_netfilter_msg_types.in: New file.
* xlat/nl_netfilter_subsys_ids.in: Likewise.
* netlink.c: Include "xlat/nl_netfilter_msg_types.h"
and "xlat/nl_netfilter_subsys_ids.h".
(nlmsg_types): Add NETLINK_NETFILTER.
(decode_nlmsg_type): Handle NETLINK_NETFILTER.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
7 years agonetlink: add decoding of NETLINK_XFRM message types
Dmitry V. Levin [Sun, 4 Jun 2017 16:57:21 +0000 (16:57 +0000)]
netlink: add decoding of NETLINK_XFRM message types

* xlat/nl_xfrm_types.in: New file.
* netlink.c: Include "xlat/nl_xfrm_types.h".
(nlmsg_types): Add NETLINK_XFRM.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
7 years agonetlink: add decoding of NETLINK_SELINUX message types
Dmitry V. Levin [Sun, 4 Jun 2017 16:48:10 +0000 (16:48 +0000)]
netlink: add decoding of NETLINK_SELINUX message types

* xlat/nl_selinux_types.in: New file.
* netlink.c: Include "xlat/nl_selinux_types.h".
(nlmsg_types): Add NETLINK_SELINUX.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
7 years agonetlink: add decoding of NETLINK_ROUTE message types
Dmitry V. Levin [Sun, 4 Jun 2017 16:43:48 +0000 (16:43 +0000)]
netlink: add decoding of NETLINK_ROUTE message types

* xlat/nl_route_types.in: New file.
* netlink.c: Include <linux/rtnetlink.h> and "xlat/nl_route_types.h".
(nlmsg_types): Add NETLINK_ROUTE.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
7 years agonetlink: add decoding of NETLINK_AUDIT message types
Dmitry V. Levin [Sun, 4 Jun 2017 14:53:22 +0000 (14:53 +0000)]
netlink: add decoding of NETLINK_AUDIT message types

* xlat/nl_audit_types.in: New file.
* netlink.c: Include <linux/audit.h> and "xlat/nl_audit_types.h".
(nlmsg_types): Add NETLINK_AUDIT.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
7 years agonetlink: implement generic nlmsg_type decoding
Dmitry V. Levin [Sat, 3 Jun 2017 23:19:49 +0000 (23:19 +0000)]
netlink: implement generic nlmsg_type decoding

Implement a pluggable mechanism of nlmsg_type decoding.
Add decoding of NETLINK_SOCK_DIAG types.

* linux/sock_diag.h (SOCK_DESTROY): New macro.
* xlat/nl_sock_diag_types.in: New file.
* netlink.c: Include xlat/nl_sock_diag_types.h.
(get_fd_nl_family, decode_nlmsg_type): New functions.
(print_nlmsghdr): Use them for nlmsg_type decoding.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
7 years agonetlink: add netlink family argument to printers and decoders
Dmitry V. Levin [Sat, 3 Jun 2017 22:56:32 +0000 (22:56 +0000)]
netlink: add netlink family argument to printers and decoders

* netlink.c (NL_FAMILY_ERROR, NL_FAMILY_DEFAULT): New constants.
(print_nlmsghdr): Add netlink family argument, change return type
to int, return family.
(decode_nlmsghdr_with_payload, decode_nlmsgerr, decode_payload): Add
netlink family argument.  All callers updated.

7 years agoAdd file descriptor argument to decode_netlink
Fabien Siron [Mon, 11 Jul 2016 12:54:59 +0000 (12:54 +0000)]
Add file descriptor argument to decode_netlink

* defs.h (decode_netlink): Add file descriptor argument.
* io.c (print_iovec): Specify file descriptor to decode_netlink.
* net.c (decode_sockbuf): Likewise.
* netlink.c (print_nlmsghdr, decode_nlmsghdr_with_payload,
decode_nlmsgerr, decode_payload, decode_nlmsghdr_with_payload,
decode_netlink): Likewise.
All callers updated.

Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agoIntroduce getfdinode to obtain inode from fd
Fabien Siron [Thu, 26 May 2016 10:59:07 +0000 (10:59 +0000)]
Introduce getfdinode to obtain inode from fd

* defs.h (getfdinode): New prototype.
* utils.c (getfdinode): New function.

Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agoIntroduce get_sockaddr_by_inode
Fabien Siron [Thu, 26 May 2016 10:46:28 +0000 (10:46 +0000)]
Introduce get_sockaddr_by_inode

Add a way to get socket information without printing it.

* defs.h (get_sockaddr_by_inode): New prototype.
* socketutils.c (get_sockaddr_by_inode): New function.

Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agosocketutils.c: introduce get_sockaddr_by_inode_uncached
Dmitry V. Levin [Fri, 2 Jun 2017 23:30:57 +0000 (23:30 +0000)]
socketutils.c: introduce get_sockaddr_by_inode_uncached

* socketutils.c (get_sockaddr_by_inode_uncached): New function.
(print_sockaddr_by_inode_uncached): Use it.

7 years agosocketutils.c: use get_sockaddr_by_inode_cached
Fabien Siron [Thu, 26 May 2016 10:46:28 +0000 (10:46 +0000)]
socketutils.c: use get_sockaddr_by_inode_cached

* socketutils.c (unix_print, inet_print, tcp_v4_print, tcp_v6_print,
udp_v4_print, udp_v6_print, netlink_print): Remove.
(unix_get, inet_get, tcp_v4_get, tcp_v6_get, udp_v4_get,
udp_v6_get, netlink_get): New functions.
(protocols): Update.

Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agosocketutils.c: move inet_print closer to its first use
Dmitry V. Levin [Fri, 2 Jun 2017 23:26:15 +0000 (23:26 +0000)]
socketutils.c: move inet_print closer to its first use

* socketutils.c (inet_print): Move right before tcp_v4_print.

7 years agosocketutils.c: introduce cache_inode_details
Fabien Siron [Wed, 22 Jun 2016 13:51:49 +0000 (13:51 +0000)]
socketutils.c: introduce cache_inode_details

cache_inode_details gives a way to obtain cache information without
printing it.

* socketutils.c (cache_and_print_inode_details): Rename
to cache_inode_details.  Do not print cached information.
(inet_parse_response, unix_parse_response, netlink_parse_response):
Use cache_inode_details instead of cache_and_print_inode_details.
(inet_print, unix_print, netlink_print): Call
print_sockaddr_by_inode_cached.

Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
7 years agostrace.c: move termination code to a separate function
Victor Krapivensky [Mon, 5 Jun 2017 11:46:34 +0000 (14:46 +0300)]
strace.c: move termination code to a separate function

This will be needed for the pull-style API.

* strace.c (terminate): New function.
(main): Use it.

7 years agotests: avoid hitting SO_SNDBUF limit in sendfile/sendfile64 tests
Dmitry V. Levin [Sun, 4 Jun 2017 21:17:15 +0000 (21:17 +0000)]
tests: avoid hitting SO_SNDBUF limit in sendfile/sendfile64 tests

Do not assume that an executable is small enough and SO_SNDBUF is large
enough so that the executable could be sendfile'ed into a socket pair.

* tests/sendfile.c (main): Create a regular file of the right size
to avoid hitting SO_SNDBUF limit.
* tests/sendfile64.c: Likewise.

Reported-by: Andreas Schwab <schwab@linux-m68k.org>
7 years agoMove netlink_protocols definition from net.c to netlink.c
Dmitry V. Levin [Sun, 4 Jun 2017 17:03:44 +0000 (17:03 +0000)]
Move netlink_protocols definition from net.c to netlink.c

The side effect of #include "xlat/netlink_protocols.h" is
NETLINK_* constants properly defined in that header file.
While net.c does not use these constants itself, netlink.c
is going to need them soon.

* net.c: Move inclusion of "xlat/netlink_protocols.h" ...
* netlink.c: ... here.

7 years agotravis: switch from gcc-6 to gcc-7
Dmitry V. Levin [Sun, 4 Jun 2017 14:20:16 +0000 (14:20 +0000)]
travis: switch from gcc-6 to gcc-7

* .travis.yml (matrix): Change gcc-6 to gcc-7.

7 years agotests: extend checking of NLMSG_DONE decoding
Dmitry V. Levin [Sun, 4 Jun 2017 13:40:17 +0000 (13:40 +0000)]
tests: extend checking of NLMSG_DONE decoding

* tests/netlink_protocol.c (test_nlmsg_done):  Use designated
initializers.  Check decoding of messages with non-integer payload.

7 years agonetlink: decode NLMSG_DONE messages
JingPiao Chen [Fri, 5 May 2017 10:21:17 +0000 (18:21 +0800)]
netlink: decode NLMSG_DONE messages

* netlink.c (decode_payload): Decode NLMSG_DONE messages.
* tests/netlink_protocol.c (test_nlmsg_done): New function
for checking decoding of NLMSG_DONE messages.
(main): Use it.

7 years agosocketutils.c: introduce get_sockaddr_by_inode_cached
Dmitry V. Levin [Sun, 4 Jun 2017 11:38:30 +0000 (11:38 +0000)]
socketutils.c: introduce get_sockaddr_by_inode_cached

* socketutils.c (get_sockaddr_by_inode_cached): New function.
(print_sockaddr_by_inode_cached): Use it.

7 years agoUnexport print_sockaddr_by_inode_cached
Dmitry V. Levin [Sat, 3 Jun 2017 17:52:24 +0000 (17:52 +0000)]
Unexport print_sockaddr_by_inode_cached

Change print_sockaddr_by_inode to be the only function exposed,
hide print_sockaddr_by_inode_cached as a part of implementation.

* defs.h (print_sockaddr_by_inode_cached): Remove prototype.
(print_sockaddr_by_inode): Add struct tcb * and descriptor arguments.
* socketutils.c (print_sockaddr_by_inode_cached): Make static.
(print_sockaddr_by_inode): Rename to print_sockaddr_by_inode_uncached,
make static.
(print_sockaddr_by_inode): New function.
* util.c (printfd): Update to use new print_sockaddr_by_inode.

7 years agoIntroduce str_strip_prefix_len function and STR_STRIP_PREFIX macro
Dmitry V. Levin [Sat, 3 Jun 2017 16:55:12 +0000 (16:55 +0000)]
Introduce str_strip_prefix_len function and STR_STRIP_PREFIX macro

Address proliferation of string prefix check implementations.

* defs.h (str_strip_prefix_len): New inline function.
(STR_STRIP_PREFIX): New macro.
* qualify.c (strip_prefix): Remove.
(parse_inject_token): Use STR_STRIP_PREFIX instead of strip_prefix.
(qualify): Use str_strip_prefix_len.
* socketutils.c (netlink_parse_response): Likewise.
* util.c (printfd): Likewise.

7 years agonetlink: move NLMSG_ERROR payload length check to nlmsgerr decoder
Dmitry V. Levin [Fri, 2 Jun 2017 22:22:22 +0000 (22:22 +0000)]
netlink: move NLMSG_ERROR payload length check to nlmsgerr decoder

Move decoder specific check to the decoder.

* netlink.c (decode_payload): Move NLMSG_ERROR payload length check ...
(decode_nlmsgerr): ... here.

7 years agostrace.c: handle PTRACE_EVENT_EXEC like other events
Dmitry V. Levin [Fri, 2 Jun 2017 21:49:02 +0000 (21:49 +0000)]
strace.c: handle PTRACE_EVENT_EXEC like other events

There is nothing unusual about PTRACE_EVENT_EXEC that would require
a special treatment.

* strace.c (next_event): Move PTRACE_EVENT_EXEC handling to the main
switch statement.

7 years agostrace.c: remove dead code
Dmitry V. Levin [Fri, 2 Jun 2017 20:01:31 +0000 (20:01 +0000)]
strace.c: remove dead code

As strace does not use WCONTINUED flag, there is no need to handle
WIFCONTINUED status.

* strace.c (print_debug_info) [WIFCONTINUED]: Remove.
(next_event): Remove redundant !WIFSTOPPED check.

7 years agostrace.c: refactor trace into two functions
Victor Krapivensky [Fri, 2 Jun 2017 14:05:56 +0000 (17:05 +0300)]
strace.c: refactor trace into two functions

This change decouples waiting for next event from reacting to it.  This
makes the control flow easier to understand, and serves as a preparation
for implementing a pull-style API for LuaJIT.

* strace.c (enum trace_event): New enum.
(trace): Split into ...
(next_event, dispatch_event): ... new functions.
(main): Use them.

7 years agoscno.am: include config.h before syscallent.h
Dmitry V. Levin [Tue, 30 May 2017 22:44:47 +0000 (22:44 +0000)]
scno.am: include config.h before syscallent.h

This fixes generation of syscallent.i and subsequent scno.h files
on mips where syscallent.h checks macros defined in config.h.

* scno.am (syscallent.i): Add $(top_builddir)/config.h
to prerequisites, include it.
* NEWS: Mention this fix.

Reported-by: David Robins <dbrobins@i4031.net>
7 years agotests: check decoding of sigaction syscall
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
tests: check decoding of sigaction syscall

* tests/sigaction.c: New file.
* tests/gen_tests.in (sigaction): New entry.
* tests/pure_executables.list: Add sigaction.
* tests/.gitignore: Likewise.

7 years agotests: rename sigaction.test to rt_sigaction.test
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
tests: rename sigaction.test to rt_sigaction.test

* tests/sigaction.awk: Rename to rt_sigaction.awk.
* tests/sigaction.c: Rename to tests/rt_sigaction.c.
* tests/sigaction.test: Rename to tests/rt_sigaction.test.
* tests/.gitignore: Replace sigaction with rt_sigaction.
* tests/pure_executables.list: Likewise.
* tests/Makefile.am (DECODER_TESTS): Replace sigaction.test
with rt_sigaction.test.
(EXTRA_DIST): Replace sigaction.awk with rt_sigaction.awk.

7 years agosparc: enhance decoding of signal number argument of sigaction syscall
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
sparc: enhance decoding of signal number argument of sigaction syscall

On sparc, unlike all other architectures, old sigaction syscall takes
a negated signal number.

* signal.c (SYS_FUNC(sigaction)) [SPARC || SPARC64]: Enhance printing
of negative signal number argument.

7 years agosignal: enhance printing of old_sigaction.mask
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
signal: enhance printing of old_sigaction.mask

* signal.c (decode_old_sigaction): Print old_sigaction.mask
using tprint_old_sigmask_val.

7 years agosignal: limit scope of struct old_sigaction32 definition
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
signal: limit scope of struct old_sigaction32 definition

* signal.c (struct old_sigaction32): Define only if [!current_wordsize].

7 years agosignal: fix decoding of struct old_sigaction on some architectures
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
signal: fix decoding of struct old_sigaction on some architectures

On alpha, struct old_sigaction.sa_flags has a 32-bit type.

On mips, only first word of old_sigaction.sa_mask is read.

On all architectures except alpha and mips that have old sigaction
syscall, struct old_sigaction has sa_restorer field that has to be
decoded.

* signal.c (struct old_sigaction) [ALPHA]: Change sa_flags type
to unsigned int, add ATTRIBUTE_PACKED.
[MIPS]: Dhrink sa_mask array to 1 element.
[!ALPHA && !MIPS]: Define sa_restorer field unconditionally.
(struct old_sigaction32): Likewise.
(decode_old_sigaction) [!current_wordsize]: Initialize sa_restorer field
from old_sigaction32.sa_restorer unconditionally.
[!ALPHA && !MIPS]: Print old_sigaction.sa_restorer if SA_RESTORER flag
is set.
* NEWS: Mention this change.

7 years agoxlat: rename SA_STACK to SA_ONSTACK
Dmitry V. Levin [Sun, 28 May 2017 17:13:29 +0000 (17:13 +0000)]
xlat: rename SA_STACK to SA_ONSTACK

SA_ONSTACK is the standard name while its alias SA_STACK is not even
defined on many platforms.

* xlat/sigact_flags.in (SA_STACK): Rename to SA_ONSTACK.

7 years agotests: check decoding of sigpending syscall
Dmitry V. Levin [Sun, 28 May 2017 00:09:52 +0000 (00:09 +0000)]
tests: check decoding of sigpending syscall

* tests/sigpending.c: New file.
* tests/gen_tests.in (sigpending): New entry.
* tests/pure_executables.list: Add sigpending.
* tests/.gitignore: Likewise.

7 years agotests: check decoding of sigprocmask syscall
Dmitry V. Levin [Sun, 28 May 2017 00:09:45 +0000 (00:09 +0000)]
tests: check decoding of sigprocmask syscall

* tests/sigprocmask.c: New file.
* tests/gen_tests.in (sigprocmask): New entry.
* tests/pure_executables.list: Add sigprocmask.
* tests/.gitignore: Likewise.

7 years agoalpha: rename sys_sigprocmask to sys_osf_sigprocmask
Dmitry V. Levin [Sun, 28 May 2017 00:09:32 +0000 (00:09 +0000)]
alpha: rename sys_sigprocmask to sys_osf_sigprocmask

Parsers of sigprocmask and osf_sigprocmask syscalls are different
anyway, so rename the function to match the syscall name.

* signal.c [ALPHA] (SYS_FUNC(sigprocmask)): Rename
to SYS_FUNC(osf_sigprocmask).
* linux/alpha/syscallent.h: Update sys_func.

7 years agoEnable coverage when strace is self terminated by signal
Dmitry V. Levin [Sat, 27 May 2017 18:58:31 +0000 (18:58 +0000)]
Enable coverage when strace is self terminated by signal

The data collected by -fprofile-arcs during program run is saved
on program exit.  When program is terminated by signal, the data
is not saved.  However, libgcov provides an interface to dump
the data at runtime.

* m4/ax_code_coverage.m4 (AX_CODE_COVERAGE): Add -DENABLE_COVERAGE_GCOV
to CODE_COVERAGE_CPPFLAGS.
* strace.c [ENABLE_COVERAGE_GCOV] (__gcov_flush): New prototype.
(main) [ENABLE_COVERAGE_GCOV]: Call __gcov_flush() before raise()
and sigprocmask() calls that might cause program termination.

7 years agotests: check termination signal forwarding
Dmitry V. Levin [Sat, 27 May 2017 17:59:44 +0000 (17:59 +0000)]
tests: check termination signal forwarding

* tests/run_expect_termsig.c: New file.
* tests/unblock_reset_raise.c: Likewise.
* tests/termsig.test: New test.
* tests/.gitignore: Add run_expect_termsig and unblock_reset_raise.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(MISC_TESTS): Add termsig.test.

7 years agoFix termination signal forwarding
Dmitry V. Levin [Sat, 27 May 2017 17:59:44 +0000 (17:59 +0000)]
Fix termination signal forwarding

When traced command is terminated by a blocked signal, unblock
that signal to ensure strace termination with the same signal.

* strace.c (main): Unblock the signal raised for strace termination.
* NEWS: Mention this change.

7 years agoDo not reset SIGCHLD handler in tracees to SIG_DFL
Dmitry V. Levin [Sat, 27 May 2017 15:58:54 +0000 (15:58 +0000)]
Do not reset SIGCHLD handler in tracees to SIG_DFL

While strace resets SIGCHLD handler to the default action so that
waitpid definitely works without losing track of children, tracees
should not inherit this change.

* strace.c (struct exec_params): Add child_sa field.
(init): When setting SIGCHLD handler to SIG_DFL, save the old handler.
(exec_or_die): Restore SIGCHLD handler if it was different from SIG_DFL
at startup.
* NEWS: Mention this change.

7 years agoRefactor setting of signal handlers to reduce redundancy
Dmitry V. Levin [Sat, 27 May 2017 12:26:05 +0000 (12:26 +0000)]
Refactor setting of signal handlers to reduce redundancy

* strace.c (set_sigaction): New function.
(init): Use it instead of sigaction with sigaddset.

7 years agotests: check how signals are unblocked in interactive mode
Dmitry V. Levin [Sat, 27 May 2017 10:00:43 +0000 (10:00 +0000)]
tests: check how signals are unblocked in interactive mode

* tests/block_reset_raise_run.c: New file.
* tests/interactive_block.test: New test.
* tests/.gitignore: Add block_reset_raise_run.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(MISC_TESTS): Add interactive_block.test.

7 years agoFix unblocking of signals in interactive mode
Dmitry V. Levin [Sat, 27 May 2017 10:00:43 +0000 (10:00 +0000)]
Fix unblocking of signals in interactive mode

In interactive mode (-I2), those signals that were blocked at startup
will remain blocked for the whole period of strace execution.

* strace.c (empty_set): Rename to start_set.  All users changed.
(init): Initialize start_set and blocked_set to the set of currently
blocked signals.
(startup_attach, trace): Use SIG_SETMASK instead of SIG_BLOCK.
* NEWS: Mention this change.

7 years agoCleanup interactive check
Dmitry V. Levin [Fri, 26 May 2017 23:16:57 +0000 (23:16 +0000)]
Cleanup interactive check

* strace.c (init): Check for INTR_WHILE_WAIT mode the same way
as in other places.

7 years agotests: check decoding of signal syscall
Dmitry V. Levin [Fri, 26 May 2017 20:42:13 +0000 (20:42 +0000)]
tests: check decoding of signal syscall

* tests/signal.c: New file.
* tests/gen_tests.in (signal): New entry.
* tests/pure_executables.list: Add signal.
* tests/.gitignore: Likewise.

7 years agoUnify capitalisation of (c) in copyright notices
Eugene Syromyatnikov [Wed, 24 May 2017 20:01:05 +0000 (22:01 +0200)]
Unify capitalisation of (c) in copyright notices

7 years agoPost-release administrivia
Dmitry V. Levin [Thu, 25 May 2017 19:42:20 +0000 (19:42 +0000)]
Post-release administrivia

* NEWS: Add a header line for the next release.
* debian/changelog.in: Add a changelog entry for 4.17-1.
* strace.spec.in: Likewise.

7 years agoPrepare for 4.17 release v4.17
Dmitry V. Levin [Wed, 24 May 2017 16:17:18 +0000 (16:17 +0000)]
Prepare for 4.17 release

* NEWS: Update for 4.17 release.

7 years agopowerpc64, sparc, sparc64: wire up statx syscall
Dmitry V. Levin [Wed, 24 May 2017 16:17:18 +0000 (16:17 +0000)]
powerpc64, sparc, sparc64: wire up statx syscall

* linux/powerpc64/syscallent.h [383]: Add statx entry.
* linux/sparc/syscallent.h [360]: Likewise.
* linux/sparc64/syscallent.h [360]: Likewise.

7 years agoFix compat personality support for sgetmask syscall
Dmitry V. Levin [Tue, 23 May 2017 23:20:18 +0000 (23:20 +0000)]
Fix compat personality support for sgetmask syscall

* signal.c (SYS_FUNC(sgetmask)): Replace sprintsigmask_val
with sprint_old_sigmask_val.
* tests/sxetmask.c (main): Check decoding of signal mask containing
RT signals.

7 years agoFix decoding of sgetmask and ssetmask syscalls
Dmitry V. Levin [Mon, 22 May 2017 10:48:13 +0000 (10:48 +0000)]
Fix decoding of sgetmask and ssetmask syscalls

Old ssetmask syscall takes an argument and returns a value of type int.
Old sgetmask syscall may return an error.

* signal.c (SYS_FUNC(ssetmask)): Explicitly convert the argument
and return value to unsigned int, print it using sprint_old_sigmask_val.
(SYS_FUNC(sgetmask)): Do not print the mask in case of syserror.
* tests/sxetmask.c: New file.
* tests/gen_tests.in (sxetmask): New entry.
* tests/pure_executables.list: Add sxetmask.
* tests/.gitignore: Likewise.
* NEWS: Mention this fix.

7 years agoAdd copyright headers
Eugene Syromyatnikov [Mon, 22 May 2017 17:14:52 +0000 (19:14 +0200)]
Add copyright headers

7 years agoAdd scripts for automating copyright notices update
Eugene Syromyatnikov [Mon, 1 May 2017 17:10:15 +0000 (19:10 +0200)]
Add scripts for automating copyright notices update

* maint/update_copyright_years.awk: New file.
* maint/update_copyright_years.sh: Likewise.

Co-authored-by: Elvira Khabirova <lineprinter0@gmail.com>
7 years agoFix typos in copyright notices
Eugene Syromyatnikov [Mon, 22 May 2017 16:53:14 +0000 (18:53 +0200)]
Fix typos in copyright notices

7 years agounwind.c: remove non-ASCII character from comment
Eugene Syromyatnikov [Mon, 22 May 2017 17:08:47 +0000 (19:08 +0200)]
unwind.c: remove non-ASCII character from comment

7 years agoRename sys_sig[gs]etmask to sys_s[gs]etmask to match syscall names
Dmitry V. Levin [Sun, 21 May 2017 17:51:01 +0000 (17:51 +0000)]
Rename sys_sig[gs]etmask to sys_s[gs]etmask to match syscall names

* signal.c (SYS_FUNC(sigsetmask)): Rename to SYS_FUNC(ssetmask).
(SYS_FUNC(siggetmask)): Rename to SYS_FUNC(sgetmask).
* linux/arm/syscallent.h (sgetmask, ssetmask): Update sys_func.
* linux/bfin/syscallent.h: Likewise.
* linux/crisv10/syscallent.h: Likewise.
* linux/hppa/syscallent.h: Likewise.
* linux/i386/syscallent.h: Likewise.
* linux/m68k/syscallent.h: Likewise.
* linux/microblaze/syscallent.h: Likewise.
* linux/mips/syscallent-o32.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/powerpc64/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/sparc64/syscallent.h: Likewise.

7 years agotests: enhance sigsuspend.test
Dmitry V. Levin [Sun, 21 May 2017 14:37:48 +0000 (14:37 +0000)]
tests: enhance sigsuspend.test

* tests/sigsuspend.c (sigtxt): New variable.
(main): Change signal masks to contain all signals except USR1 and USR2.

7 years agoFix compat personality support for old sigsuspend syscall
Dmitry V. Levin [Sat, 20 May 2017 20:17:59 +0000 (20:17 +0000)]
Fix compat personality support for old sigsuspend syscall

* signal.c (sprint_old_sigmask_val): New function.
(tprint_old_sigmask_val): New macro.
(SYS_FUNC(sigsuspend)): Use it.

7 years agoMove errnoent.sh, signalent.sh, and syscallent.sh to maint subdirectory
Dmitry V. Levin [Tue, 16 May 2017 02:11:35 +0000 (02:11 +0000)]
Move errnoent.sh, signalent.sh, and syscallent.sh to maint subdirectory

Also do not include them into release tarballs.  These files are
intended for developers who are expected to use a git repository.

* errnoent.sh: Move to maint subdirectory.
* signalent.sh: Likewise.
* syscallent.sh: Likewise.
* HACKING-scripts: Update.
* Makefile.am (EXTRA_DIST): Remove errnoent.sh, signalent.sh,
and syscallent.sh.

7 years agoDo not include maint subdirectory into release tarballs
Dmitry V. Levin [Tue, 16 May 2017 02:11:35 +0000 (02:11 +0000)]
Do not include maint subdirectory into release tarballs

These files are intended for developers who are expected to use
a git repository.

* Makefile.am (EXTRA_DIST): Remove maint/ioctls_gen.sh,
maint/ioctls_hex.sh, maint/ioctls_sym.sh, and maint/print_ioctlent.c.

7 years agolinux/ia64/syscallent.h: remove tabulation, add spaces in file comment
Eugene Syromyatnikov [Mon, 1 May 2017 16:40:01 +0000 (18:40 +0200)]
linux/ia64/syscallent.h: remove tabulation, add spaces in file comment

7 years agolinux/mtd-abi.h: remove non-ASCII character from file comment
Eugene Syromyatnikov [Mon, 1 May 2017 16:39:25 +0000 (18:39 +0200)]
linux/mtd-abi.h: remove non-ASCII character from file comment

7 years agoalpha, cris, mips, ppc, sh, sparc: fix decoding of sigsuspend syscall
Dmitry V. Levin [Sun, 30 Apr 2017 20:33:04 +0000 (20:33 +0000)]
alpha, cris, mips, ppc, sh, sparc: fix decoding of sigsuspend syscall

On some architectures old sigsuspend syscall takes the signal mask from
the 3rd argument, on some from the 1st.  And, if it wasn't peculiar
enough, the signal mask is passed by value on all architectures except
mips where it's passed by reference.

* signal.c (SYS_FUNC(sigsuspend)): Take the signal mask from the last
argument.
* linux/alpha/syscallent.h (sigsuspend): Set nargs to 1.
* linux/crisv10/syscallent.h: Likewise.
* linux/mips/syscallent-o32.h: Likewise.
* linux/powerpc/syscallent.h: Likewise.
* linux/powerpc64/syscallent.h: Likewise.
* linux/sh/syscallent.h: Likewise.
* linux/sh64/syscallent.h: Likewise.
* linux/sparc/syscallent.h: Likewise.
* linux/sparc64/syscallent.h: Likewise.
* tests/sigsuspend.c: New file.
* tests/gen_tests.in (sigsuspend): New entry.
* tests/pure_executables.list: Add sigsuspend.
* tests/.gitignore: Likewise.
* NEWS: Mention this fix.

7 years agotests: raise default timeout for individual tests
Dmitry V. Levin [Wed, 26 Apr 2017 23:41:15 +0000 (23:41 +0000)]
tests: raise default timeout for individual tests

Recently added tests based on pure_executables.list are quite slow
by their nature, the one minute default timeout is no longer enough
for some of not so fast architectures.

* tests/init.sh (TIMEOUT_DURATION): Raise from 60 to 120.

7 years agoUpdate NEWS
Eugene Syromyatnikov [Mon, 1 May 2017 12:48:25 +0000 (14:48 +0200)]
Update NEWS

7 years agoUpdate TCP_* constants
Dmitry V. Levin [Sat, 29 Apr 2017 00:37:07 +0000 (00:37 +0000)]
Update TCP_* constants

* xlat/socktcpoptions.in: Add TCP_FASTOPEN_CONNECT introduced
by linux kernel commit v4.11-rc1~124^2~321^2.

7 years agoUpdate AF_* constants
Dmitry V. Levin [Fri, 28 Apr 2017 23:34:56 +0000 (23:34 +0000)]
Update AF_* constants

* xlat/addrfams.in: Add AF_SMC introduced by linux kernel
commit v4.11-rc1~94^2~43^2~13.

7 years agotests: enhance madvise decoder check
Dmitry V. Levin [Thu, 27 Apr 2017 23:16:33 +0000 (23:16 +0000)]
tests: enhance madvise decoder check

* tests/mmap.c (main): Remove madvise check.
* tests/madvise.c: New file.
* tests/gen_tests.in (madvise): New entry.
* tests/.gitignore: Add madvise.
* tests/pure_executables.list: Likewise.

7 years agotests: add -etrace=?... test
Eugene Syromyatnikov [Tue, 25 Apr 2017 02:23:12 +0000 (04:23 +0200)]
tests: add -etrace=?... test

Check for some architecture-specific syscalls which are not present
on most architectures.

* gen_tests.in: Add trace_question test.
* tests/trace_question.in: New file.
* tests/Makefile.am (EXTRA_DIST): Add it.

7 years agotests: add more information to generated header comments
Eugene Syromyatnikov [Tue, 25 Apr 2017 02:21:56 +0000 (04:21 +0200)]
tests: add more information to generated header comments

* tests/gen_tests.sh: Update header comment with the source string
used for test generation.

7 years agotests: move generated common header comment into a variable
Eugene Syromyatnikov [Tue, 25 Apr 2017 02:20:50 +0000 (04:20 +0200)]
tests: move generated common header comment into a variable

* tests/gen_tests.sh: Move generated file header comment
into a variable, use it in all cases.

7 years agotests: use TAIL_ALLOC_OBJECT_CONST_PTR in v4l2 test
Dmitry V. Levin [Tue, 25 Apr 2017 14:35:47 +0000 (14:35 +0000)]
tests: use TAIL_ALLOC_OBJECT_CONST_PTR in v4l2 test

* tests/ioctl_v4l2.c (main): Use TAIL_ALLOC_OBJECT_CONST_PTR.

7 years agotests: Check decoding of VIDIOC_G/S_TUNER's arg
Edgar Kaziahmedov [Sun, 23 Apr 2017 01:53:48 +0000 (04:53 +0300)]
tests: Check decoding of VIDIOC_G/S_TUNER's arg

* tests/ioctl_v4l2.c (main): Add checks for VIDIOC_G/S_TUNER's arg.

Signed-off-by: Edgar Kaziahmedov <edos@linux.com>
7 years agov4l2: Add decoding for VIDIOC_G/S_TUNER's arg
Edgar Kaziahmedov [Sun, 23 Apr 2017 01:53:47 +0000 (04:53 +0300)]
v4l2: Add decoding for VIDIOC_G/S_TUNER's arg

* v4l2.c: Include "xlat/v4l2_tuner_types.h", "xlat/v4l2_tuner_capabilities.h",
"xlat/v4l2_tuner_rxsubchanses.h", and "xlat/v4l2_tuner_audmodes.h".
(print_v4l2_tuner): New function. Add decoding for VIDIOC_G/S_TUNER's arg.
(v4l2_ioctl): Add new cases for decoding VIDIOC_G/S_TUNER's arg.
* xlat/v4l2_tuner_types.in: Add V4L2_TUNER_RADIO and
V4L2_TUNER_ANALOG_TV introduced by linux kernel commit
2.5.46~39^2~23^2~4.
Add V4L2_TUNER_DIGITAL_TV introduced by linux kernel
commit v2.6.11-rc4~55^2~20.
Add V4L2_TUNER_ADC and V4L2_TUNER_RF introduced by linux kernel commit
v3.15-rc1~85^2~215.
Add V4L2_TUNER_SDR introduced by linux kernel commit v4.4-rc1~118^2~17
(as the replacement of V4L2_TUNER_ADC).
* xlat/v4l2_tuner_capabilities.in: Add V4L2_TUNER_CAP_LOW,
V4L2_TUNER_CAP_NORM, V4L2_TUNER_CAP_STEREO, V4L2_TUNER_CAP_LANG2,
V4L2_TUNER_CAP_SAP, and V4L2_TUNER_CAP_LANG1 introduced by linux kernel
commit 2.5.46~39^2~23^2~4.
Add V4L2_TUNER_CAP_HWSEEK_BOUNDED and V4L2_TUNER_CAP_HWSEEK_WRAP
introduced by linux kernel commit v3.6-rc1~28^2~306.
Add V4L2_TUNER_CAP_RDS introduced by linux commit v2.6.32-rc1~679^2~189.
Add V4L2_TUNER_CAP_RDS_BLOCK_IO and V4L2_TUNER_CAP_RDS_CONTROLS
introduced by linux kernel commit v2.6.37-rc1~64^2~110.
Add V4L2_TUNER_CAP_FREQ_BANDS introduced by linux kernel commit
v3.6-rc1~28^2~46.
Add V4L2_TUNER_CAP_HWSEEK_PROG_LIM introduced by linux kernel commit
v3.6-rc1~28^2~40.
Add V4L2_TUNER_CAP_1HZ introduced by linux kernel commit
v3.15-rc1~85^2~214.
* xlat/v4l2_tuner_audmodes.in: Add V4L2_TUNER_MODE_MONO,
V4L2_TUNER_MODE_STEREO, V4L2_TUNER_MODE_LANG2, V4L2_TUNER_MODE_SAP, and
V4L2_TUNER_MODE_LANG1 introduced by linux kernel commit
2.5.46~39^2~23^2~4.
Add V4L2_TUNER_MODE_LANG1_LANG2 introduced by linux kernel commit
v2.6.17-rc1~739^2~9.
* xlat/v4l2_tuner_rxsubchanses.in: Add V4L2_TUNER_SUB_MONO,
V4L2_TUNER_SUB_STEREO, V4L2_TUNER_SUB_LANG2, V4L2_TUNER_SUB_SAP, and
V4L2_TUNER_SUB_LANG1 introduced by linux kernel commit
2.5.46~39^2~23^2~4.
Add V4L2_TUNER_SUB_RDS introduced by linux kernel commit
v2.6.32-rc1~679^2~189.

Signed-off-by: Edgar Kaziahmedov <edos@linux.com>