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opnsense-src/lib/libc
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Bjoern A. Zeeb ff26fd77ee libc/getnameinfo: stop adding NI_NUMERICHOST where inappropriate 
Checking the first nibble of the IPv6 address to be 0 and then
excluding two well known cases (v4-mapped, loopback) leaves us with
more cases where the first nibble could be 0, e.g., the RFC 6052,
2.1 Well-Known Prefix 64:ff9b::/96.
It is not practical to track them all and it is not clear what lead
to this special casing originally, so remove them.

While here also remove the IN6_IS_ADDR_LINKLOCAL() + NI_NUMERICHOST
case as link-local address resolution does exist.

We do leave the IN6_IS_ADDR_MULTICAST() case for now as I could
not find any references to any official reverse lookups for these.

Adding comments for more case (and some historic behaviour) in order
to make it easier to follow the logic.

PR:		279618
Fixes:		6cb9418289
Reviewed by:	hrs
Differential Revision: https://reviews.freebsd.org/D45547

(cherry picked from commit c179937b986ec3959d89bfeb8eed0a6f58a28649)
2024-09-28 10:35:11 +00:00
..
aarch64 libc/aarch64: Remove an unneeded weak symbol 2024-09-02 08:49:39 +00:00
amd64 lib/libc/amd64/string: fix overread condition in memccpy 2024-08-07 16:18:40 +02:00
arm libc: rename arm and i386 Ovfork.S to vfork.S 2024-01-02 16:58:42 +00:00
capability capsicum: introduce cap_rights_is_empty Function 2024-06-05 11:55:17 -04:00
compat-43 libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
csu libc: Purge unneeded cdefs.h 2023-11-26 21:20:09 -07:00
db libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
gdtoa libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
gen dlopen(3): mention fdlopen for capsicum(4) 2024-05-13 10:22:34 -04:00
gmon libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
i386 libc: rename arm and i386 Ovfork.S to vfork.S 2024-01-02 16:58:42 +00:00
iconv libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
include libc_private.h: use private namespace name for size_t 2024-04-30 04:14:52 +03:00
inet libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
isc libc: Purge unneeded cdefs.h 2023-11-26 21:20:09 -07:00
locale libc: remove some obsolete VCS data 2023-12-13 23:08:50 +00:00
md Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
nameser libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
net libc/getnameinfo: stop adding NI_NUMERICHOST where inappropriate 2024-09-28 10:35:11 +00:00
nls libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
posix1e libc: correct some memory leaks in acl_to_text(3) and acl_to_text_np(3) 2023-12-20 10:29:55 +02:00
powerpc libc: centralize a few numeric symbols 2023-12-13 22:08:14 +00:00
powerpc64 libc: centralize a few numeric symbols 2023-12-13 22:08:14 +00:00
powerpcspe libc/<arch>/sys/Makefile.inc: remove cruft 2023-12-13 22:08:13 +00:00
quad libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
regex regex: mixed sets are misidentified as singletons 2024-09-25 15:42:25 -05:00
resolv libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
riscv libc: don't needlessly add vfork.o to NOASM 2024-01-02 16:58:54 +00:00
rpc libc: move NIS xdr_* symbols from rpc's to yp's Symbol.map 2024-05-29 11:40:18 -04:00
secure libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
softfloat libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
stdio libc printf_render_errno(): do not use strerror() 2024-04-30 03:48:10 +03:00
stdlib exit(3): clarify how to obtain full exit status of the exited process 2024-08-21 13:32:49 +03:00
stdtime libc: Improve description of mktime() / timegm(). 2024-04-04 11:41:41 +02:00
string libc: make strerror_rl() usable for libc 2024-04-30 03:48:10 +03:00
sys faccessat(2): Honor AT_SYMLINK_NOFOLLOW 2024-09-26 09:13:50 -04:00
tests regex: mixed sets are misidentified as singletons 2024-09-25 15:42:25 -05:00
uuid libc: Remove empty comments in Symbol.map 2023-12-13 22:08:13 +00:00
x86 pkru.3: Fix a typo in the manual page 2024-01-23 07:43:42 +01:00
xdr xdr(3): Fix a few typos in source code comments 2024-03-26 06:55:55 +01:00
yp libc: move NIS xdr_* symbols from rpc's to yp's Symbol.map 2024-05-29 11:40:18 -04:00
libc.ldscript Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:29 -06:00
libc_nossp.ldscript Remove $FreeBSD$: one-line .c comment pattern 2023-08-16 11:54:29 -06:00
Makefile lib{c,lzma,z}: remove -DSYMBOL_VERSIONING from CFLAGS 2023-12-13 22:08:13 +00:00
Makefile.depend Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
Makefile.depend.options Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
Versions.def Create namespace for the symbols added during 15-CURRENT cycle 2024-01-31 01:14:38 -06:00