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On some architectures _IOC_NONE equals to 1, on others it is 0.
Change the way how ioctl direction flags are printed so that
_IOC_NONE is printed in symbolic form even if it is equal to 0.
* xlat/ioctl_dirs.in (_IOC_NONE): Move to the head of the list.
* tests/ioctl_inotify.c (main): Update expected output.
* tests/ioctl_loop. (main): Likewise.c
* tests/ioctl_perf.c (main): Likewise.
* tests/ioctl_scsi.c (main): Likewise.
Since configure uses git-version-gen which in turn depends
on "git describe" or a .tarball-version file, raw archives
generated by "git archive" cannot be built.
* .gitattributes: New file.
* README-github_gitlab-autogenerated-archives.txt: Likewise.
Introduce a replacement for NLMSG_OK provided by <linux/netlink.h> since
that system macro contains signedness bugs that are not going to be fixed.
* netlink.h: Include <stdbool.h>.
(is_nlmsg_ok): New static inline function.
* socketutils.c (receive_responses): Use it instead of NLMSG_OK.
* tests/netlink_inet_diag.c (check_responses): Likewise.
* tests/netlink_netlink_diag.c (check_responses): Likewise.
* tests/netlink_unix_diag.c (check_responses): Likewise.
Closes: https://github.com/strace/strace/issues/79
As hwaddr_sizes array is explicitly initialized this way,
ignore potential warnings reported by gcc -Woverride-init
and clang -Winitializer-overrides.
* gcc_compat.h (CLANG_PREREQ): New macro.
(DIAG_PUSH_IGNORE_OVERRIDE_INIT, DIAG_POP_IGNORE_OVERRIDE_INIT): New
macros non-trivially defined for gcc >= 4.2 and clang >= 2.8.
* sock.c (print_ifreq): Use them to ignore warnings about overridden
initialization of hwaddr_sizes array.
Closes: https://github.com/strace/strace/issues/77
* tests/execve.c (main): Explicitly mark q_envp variable as used
to workaround clang -Wunneeded-internal-declaration bug.
* tests/execveat.c (main): Likewise.
* tests/nsyscalls.c (main): Explicitly mark syscallent variable as used
to workaround clang -Wunneeded-internal-declaration bug.
Closes: https://github.com/strace/strace/issues/78
I don't know why it hasn't been done earlier.
* strace.c (print_stopped) [ENABLE_STACKTRACE]: Call unwind_tcb_print
if stack trace printing is enabled.
* xlat/af_packet_versions.in: New file.
* netlink_packet_diag.c: Include "xlat/af_packet_versions.h".
(decode_packet_diag_req): sdiag_protocol shouldn't be decoded as a protocol,
currently it should be set to 0.
(decode_packet_diag_info): Decode pdi_version field using af_packet_versions
xlat; decode pdi_index field as an interface index.
(packet_diag_msg_nla_decoders) <PACKET_DIAG_UID>: Decode using
decode_nla_uid.
(decode_packet_diag_msg): Decode pdiag_num as an low-level protocol.
* tests/netlink_sock_diag.c: Update expected output.
* tests/nlattr_packet_diag_msg.c: Likewise.
* sockaddr.c: Include <linux/x25.h>.
(print_sockaddr_data_x25): New function.
(sa_printers) <[AF_X25]>: New socket address handler.
* tests/net-sockaddr.c (check_x25): New function.
(main): Use it to check X.25 socket address decoding.
* xlat/ax25_protocols.in: New file.
* xlat/sock_ax25_options.in: Likewise.
* net.c: Include "xlat/ax25_protocols.h" and "xlat/sock_ax25_options.h".
* (SYS_FUNC(socket)): <[AF_AX25]>: Print protocol name using
ax25_protocols xlat.
(print_sockopt_fd_level_name) <[SOL_AX25]>: Print socket option name
using sock_ax25_options xlat.
* defs.h (print_ax25_addr): New prototype.
* print_fields.h (PRINT_FIELD_AX25_ADDR): New macro.
* sockaddr.c: Include <linux/ax25.h>.
(check_ax25_address, ax25_addr2str, print_ax25_addr_raw,
print_ax25_addr, print_sockaddr_data_ax25): New functions.
(sa_printers) <[AF_AX25]>: New printer.
* tests/net-sockaddr.c (AX25_ADDR): New macro.
(check_ax25): New function.
(main): Use it to check AX.25 socket address decoding.
In order to be able to obtain sanitised device name internally.
* defs.h (get_ifname): New declaration.
* print_ifindex.c (get_ifname): Refactor, leaving out addition
of if_nametoindex("") part.
(sprint_ifname): New function, adds if_nametoindex("")
to get_ifname's output.
(print_ifindex): Use sprint_ifname instead of get_ifname.
Add a helper function that returns address family based on the internal
notion of the socket protocol using protocols table.
* defs.h (get_family_by_proto): New declaration.
* socketutils.c (get_family_by_proto): New function.
This also allows getting rid of all these *_v[46]_get calls.
* socketutils.c (unix_get, inet_get, netlink_gen): Add family, protocol,
and proto_name paramteres, use them where appropriate.
(tcp_v4_get, udp_v4_get, tcp_v6_get, udp_v6_get): Remove.
(protocols): Add family and proto fields to the structure, call inet_get
for IP/IPv6 protocols.
(get_sockaddr_by_inode_uncached): Update protocols->get calls.
Commit v4.23~343 introduced xlat style argument to printflags_ex, but
XLAT_STYLE_DEFAULT was introduced only in the next commit v4.23~342,
which led to missing out fixing the sole external user of this
peculiar extended interface.
* netlink.c (decode_nlmsg_flags): Use XLAT_STYLE_DEFAULT instead of
XLAT_STYLE_ABBREV in printflags_ex call.
Fixes: v4.23~342 "Introduce XLAT_STYLE_DEFAULT"
In order to avoid dealing with xlat verbosity styles outside xlat code
as much as possible.
* defs.h (xlat_style_private_flag_bits): Rename from
print_array_flag_bits, add PXF_DEFAULT_STR_BIT.
(xlat_style_private_flags): Rename from print_array_flags, add
FLAG_(PXF_DEFAULT_STR).
* xlat.c (print_xlat_ex): Handle PXF_DEFAULT_STR by interpreting str
as a default value (print both value and str in XLAT_STYLE_ABBREV).
Rename decode_ifla_inet6_token to decode_nla_in6_addr,
add a sister function decode_nla_in_addr for future use.
* nlattr.c (decode_nla_in_addr, decode_nla_in6_addr): New functions.
* nlattr.h (DECL_NLA(in_addr), DECL_NLA(in6_addr)): New declarations.
* rtnl_link.c (decode_ifla_inet6_token): Remove.
(ifla_inet6_nla_decoders) <[IFLA_INET6_TOKEN]>: Use decode_nla_in6_addr.
* xlat/sock_shutdown_flags.in: New file.
* netlink_smc_diag.c: Include "xlat/sock_shutdown_flags.h".
(decode_smc_diag_shutdown): New function.
(smc_diag_msg_nla_decoders) <[SMC_DIAG_SHUTDOWN]>: Use
decode_smc_diag_shutdown.
* tests/nlattr_smc_diag_msg.c: Add checks for SMC_DIAG_SHUTDOWN.
There's no need to check whether non-NULL value is being assigned to
auxstr; syscall_exiting_trace does it itself.
* nsfs.c (nsfs_ioctl) <case NS_GET_NSTYPE>: Simply assign result of
xlookup to auxstr if syserror(tcp) is false.
* xlat/bpf_prog_types.in (BPF_PROG_TYPE_SK_REUSEPORT): New constant,
introduced by Linux commit v4.19-rc1~140^2~24^2~2^2~5.
* tests/bpf.c: Update expected output.
