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* net.c (printcmsghdr): Skip control messages of zero length.
Always print "msg_control=" before the control message.
(do_msghdr): Print control message before its length, not after.
* tests/inet-cmsg.c (main): Update expected output.
* tests/scm_rights-fd.test: Likewise.
* net.c (sa_printers): Add minimal address length for each socket family.
(print_sockaddr): Call socket family specific sockaddr printer
only when socket address length is greater or equal
the minimal address length for the socket family.
* xlat/hci_channels.in: New file.
* net.c (print_sockaddr_data_raw): New function.
(print_sockaddr): Use it.
[HAVE_BLUETOOTH_BLUETOOTH_H]: Include "xlat/hci_channels.h".
[HAVE_BLUETOOTH_BLUETOOTH_H] (print_sockaddr_data_bt): Fix printing
sockaddr_hci, sockaddr_sco, sockaddr_rc, and sockaddr_l2 structures.
* net.c (print_sockaddr_data_ipx): Print sockaddr_ipx.sipx_network
using %#08x format. Print elements of sockaddr_ipx.sipx_node array
and sockaddr_ipx.sipx_type using %#02x format.
AF_UNIX abstract socket address specified by sockaddr_un.sun_path
is not a NUL-terminated string.
* net.c (SIZEOF_SA_FAMILY): New macro.
(print_sockaddr_data_un): Use it. Specify actual address length
in print_quoted_string calls. Do not set QUOTE_0_TERMINATED flag
when printing an abstract socket address.
Prior to RFC2553, struct sockaddr_in6 had no sin6_scope_id field.
As the kernel still accepts RFC2133 editions of struct sockaddr_in6,
print sockaddr_in6.sin6_scope_id only when it is specified.
* net.c (SIN6_MIN_LEN): New macro.
(print_sockaddr_data_in6): Print sockaddr_in6.sin6_scope_id only when
socket address length exceeds SIN6_MIN_LEN.
* net.c (sockaddr_buf_t): Remove.
(sockaddr_printer): New type.
(sa_printers): New array of sockaddr_printer.
(print_sockaddr): Use it. Move printers of family specific
sockaddr data to separate funcions.
Introduce a new type iov_decode which will be used instead of the integer
"decode" as a parameter.
* defs.h (iov_decode): New enum.
(tprint_iov, tprint_iov_upto): Change type of "decode_iov" to enum iov_decode.
* aio.c (print_iocb): Change type of "decode_iov" to enum iov_decode in
tprint_iov() call.
* keyctl.c (keyctl_instantiate_key_iov): Likewise.
* process.c (ptrace): Likewise.
* process_vm.c (process_vm_readv, process_vm_writev): Likewise.
* io.c (writev, do_pwritev, vmsplice): Likewise.
(print_iovec): Replace the condition with a switch.
(tprint_iov_upto): Change type of "decode_iov" to enum iov_decode.
(readv, do_preadv): Change type of "decode_iov" to enum iov_decode in
tprint_iov_upto() call.
* scsi.c (print_sg_io_v3_req, print_sg_io_v3_res, print_sg_io_v4_req,
print_sg_io_v4_res): Likewise.
* net.c (do_msghdr): Adapt call of tprint_iov_upto().
Before this change printsock used to erroneously clear the last byte
of sockaddr buffer.
* net.c (printsock): Use struct sockaddr_storage as a sockaddr buffer.
Reserve additional byte after the sockaddr buffer for zero padding.
Do not clear memory that is going to be overwritten by umoven.
Clear the tail of sockaddr buffer that was not overwritten by umoven.
* configure.ac (AC_CHECK_HEADERS): Remove linux/icmp.h.
* net.c: Follow the example of tests/net-icmp_filter.c and include
<linux/icmp.h> unconditionally.
* fcntl.c (print_fcntl, SYS_FUNC(fcntl), SYS_FUNC(fcntl64)):
Cast 2nd argument of xlookup to unsigned long.
* prctl.c (SYS_FUNC(prctl)): Likewise.
* sched.c (SYS_FUNC(sched_getscheduler)): Likewise.
* time.c (do_adjtimex): Likewise.
* ioprio.c (sprint_ioprio): Change type of the argument
and local variables from int to unsigned int.
* keyctl.c (print_keyring_serial_number): Cast 2nd argument
of xlookup to unsigned int.
* net.c (tprint_sock_type): Change type of the argument to unsigned int.
* printmode.c (sprintmode): Likewise.
* printsiginfo.c (printsigval): Change type of si_code argument
to unsigned int.
AF_* constants appear to be more standardized, and in practice there's
always a one to one relationship between AF_* and PF_*, so let's
use AF_* instead of PF_*.
* xlat/domains.in: Remove.
* net.c: Do not define PF_UNSPEC. Stop including "xlat/domains.h".
Replace PF_* with AF_*. Replace domains with addrfams.
* tests/inet-cmsg.c: Replace PF_INET with AF_INET.
* tests/net-yy-inet.c: Likewise.
* tests/netlink_inet_diag.c: Likewise.
* tests/net-accept-connect.c: Replace PF_LOCAL with AF_LOCAL.
* tests/net-y-unix.c: Likewise.
* tests/net-yy-unix.c: Likewise.
* tests/netlink_unix_diag.c: Likewise.
* tests/net.expected: Replace PF_ with AF_.
The second (level) and third (optname) arguments of getsockopt and
setsockopt syscalls are enums, so treat them consistently as enums:
use "unsigned int" type to avoid potential sign extension issues.
* net.c (print_sockopt_fd_level_name, print_getsockopt,
print_setsockopt): Change type of "level" and "name" arguments
from "int" to "unsigned int".
Do not pass sizeof(struct cmsghdr) to every cmsg printer.
* net.c (printcmsghdr): Pass pointer to cmsg_data and length
of cmsg_data to print_cmsg_type_data.
(print_cmsg_type_data): Update prototype. Pass pointer to cmsg_data
and length of cmsg_data to cmsg printers.
(print_scm_rights, print_scm_creds, print_scm_security): Update.
* net.c (print_scm_rights, print_scm_creds, print_scm_security): Change
to return void. Move printing of struct cmsghdr closing '}' ...
(printcmsghdr): ... here. Move type and data decoders to ...
(print_cmsg_type_data): ... new function.
Starting with commit v4.6-281-g7af9f35, we implicitly assume that
HAVE_SENDMSG is always defined. Therefore, the check for sendmsg
availability is redundant and could be safely removed.
* configure.ac (AC_CHECK_FUNCS): Remove sendmsg.
* linux/dummy.h [!HAVE_SENDMSG] (sys_recvmsg, sys_sendmsg): Remove
stub aliases.
* net.c [HAVE_SENDMSG]: Define unconditionally.
* syscall.c (dumpio) [HAVE_SENDMSG]: Likewise.
Currently the code assumes the set of valid options between getsockopt
and setsockopt are exactly the same and thus maintains one list. The
kernel unfortunately does not do this -- it allows for different opts
between the get and set functions. See the {g,s}et_opt{min,max} fields
in the various netfilter subcores.
To support this, extend the printxval function to take multiple sets of
xlats as varargs. Then we add the new get/set lists, and pass them down
in the net code when decoding things.
A simple example is iptables; before:
getsockopt(4, SOL_IP, 0x40 /* IP_??? */, ...) = 0
getsockopt(4, SOL_IP, 0x41 /* IP_??? */, ...) = 0
after:
getsockopt(4, SOL_IP, IPT_SO_GET_INFO, ...) = 0
getsockopt(4, SOL_IP, IPT_SO_GET_ENTRIES, ...) = 0
If these were setsockopt calls, then 0x40 & 0x41 would be
IPT_SO_SET_REPLACE & IPT_SO_SET_ADD_COUNTERS.
* configure.ac: Check for netfilter headers.
* defs.h (printxvals): New prototype.
(printxval): Change to a define.
* net.c: Include netfilter headers and new sockopts headers.
(print_sockopt_fd_level_name): Add a is_getsockopt argument. Change SOL_IP
and SOL_IPV6 decoding to use printxvals, and use is_getsockopt to pass more
xlats down.
(getsockopt): Call print_sockopt_fd_level_name with is_getsockopt as true.
(setsockopt): Call print_sockopt_fd_level_name with is_getsockopt as false.
* util.c (printxval): Rename to ...
(printxvals): ... this. Rewrite to be varargs based.
* xlat/getsockipoptions.in: New xlat list.
* xlat/getsockipv6options.in, xlat/setsockipoptions.in,
xlat/setsockipv6options.in: Likewise.
