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10 Commits

Author SHA1 Message Date
Dmitry V. Levin
50a26514a5 Export print_seccomp_fprog for further use in parser of ptrace syscall 
* defs.h (print_seccomp_fprog): New prototype.
* seccomp.c (print_seccomp_fprog): Remove "static" keyword.
Move printing of struct seccomp_fprog fields ...
(print_seccomp_filter): ... here.
 2016-05-12 14:35:02 +00:00
Dmitry V. Levin
f82dcd980d seccomp.c: use print_array function 
* seccomp.c (decode_filter, decode_seccomp_fprog): Remove.
(print_bpf_filter): New function.
(print_seccomp_fprog): Use it via print_array.
* tests/seccomp-filter-v.c (main): Update.
 2016-05-07 23:37:53 +00:00
Dmitry V. Levin
6ba947f36e seccomp: fix decoding of sock_fprog and sock_filter structures 
Always print struct sock_fprog.len.
Fix printing of unfetchable elements in sock_filter array.
Fix printing of large sock_filter arrays.

* seccomp.c (decode_fprog): Rewrite into decode_seccomp_fprog and
print_seccomp_fprog.
(print_seccomp_filter): Replace decode_fprog with print_seccomp_fprog.
* tests/prctl-seccomp-filter-v.c (main): Update.
* tests/seccomp-filter-v.c: New file.
* tests/seccomp-filter-v.test: New test.
* tests/.gitignore: Add seccomp-filter-v.
* tests/Makefile.am (check_PROGRAMS): Likewise.
(DECODER_TESTS): Add seccomp-filter-v.test.
 2016-04-12 00:05:43 +00:00
Dmitry V. Levin
3ea6a59802 seccomp: print SECCOMP_* and BPF_* constants in a more compact way 
* seccomp.c (decode_bpf_code, decode_bpf_stmt): Replace " | " with "|".
* tests/prctl-seccomp-filter-v.c: Update.
 2016-04-11 20:25:01 +00:00
Dmitry V. Levin
7a12974e95 Convert parser of seccomp filter program to new mpers infrastructure 
* seccomp_fprog.h: New file.
* fetch_seccomp_fprog.c: New file.
* Makefile.am (strace_SOURCES): Add them.
* seccomp.c: Include "seccomp_fprog.h".
(print_seccomp_filter): Use fetch_seccomp_fprog.
 2015-09-20 00:02:26 +00:00
Dmitry V. Levin
1252d26db8 seccomp.c: make use of RVAL_DECODED 
* seccomp.c (sys_seccomp): Update for RVAL_DECODED.
 2015-07-17 01:16:16 +00:00
Dmitry V. Levin
931ebbfd92 seccomp.c: use printaddr and umove_or_printaddr 
* seccomp.c (decode_fprog, decode_seccomp_set_mode_strict):
Use printaddr.
(print_seccomp_filter): Use umove_or_printaddr.
 2015-07-17 01:16:16 +00:00
Dmitry V. Levin
a0bd3749fc Declare syscall parsers using SYS_FUNC macro 
Introduce SYS_FUNC macro to declare and define all syscall parsers.

* Makefile.am (BUILT_SOURCES, CLEANFILES): Add sys_func.h.
(sys_func.h): New rule.
* defs.h (SYS_FUNC_NAME, SYS_FUNC): New macros.
* linux/syscall.h: Include "sys_func.h".
[NEED_UID16_PARSERS]: Use SYS_FUNC to declare uid16 syscall parsers.
Remove other declarations.
* linux/alpha/syscallent.h (160, 161): Add sys_ prefix to osf_statfs
and osf_fstatfs syscall parsers.
* *.c: Use SYS_FUNC to define syscall parsers.
 2015-04-07 11:22:49 +00:00
Dmitry V. Levin
0a59454fb3 seccomp: fix fallback definitions of some SECCOMP_* constants 
* seccomp.c (SECCOMP_SET_MODE_STRICT, SECCOMP_SET_MODE_FILTER,
SECCOMP_FILTER_FLAG_TSYNC): Remove fallback definitions.
* xlat/seccomp_filter_flags.in: Add default value.
* xlat/seccomp_ops.in: Add default values.
 2015-02-19 20:30:01 +00:00
Dmitry V. Levin
2af6903f45 Implement seccomp decoding 
* configure.ac (AC_CHECK_HEADERS): Add linux/filter.h
and linux/seccomp.h.
* defs.h (print_seccomp_filter): New prototype.
* linux/dummy.h (sys_seccomp): Remove.
* linux/syscall.h (sys_seccomp): New prototype.
* prctl.c: Include <linux/seccomp.h>.
(sys_prctl): Decode PR_SET_SECCOMP.
* seccomp.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* xlat/bpf_class.in: New file.
* xlat/bpf_miscop.in: Likewise.
* xlat/bpf_mode.in: Likewise.
* xlat/bpf_op_alu.in: Likewise.
* xlat/bpf_op_jmp.in: Likewise.
* xlat/bpf_rval.in: Likewise.
* xlat/bpf_size.in: Likewise.
* xlat/bpf_src.in: Likewise.
* xlat/seccomp_filter_flags.in: Likewise.
* xlat/seccomp_mode.in: Likewise.
* xlat/seccomp_ops.in: Likewise.
* xlat/seccomp_ret_action.in: Likewise.
 2015-02-06 01:23:05 +00:00