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2020-04-03upstream: add allocating variant of the safe utf8 printer; okdjm@openbsd.org
dtucker as part of a larger diff OpenBSD-Commit-ID: 037e2965bd50eacc2ffb49889ecae41552744fa0
2020-03-13upstream: vasnmprintf allocates str and returns -1; ok djmmarkus@openbsd.org
OpenBSD-Commit-ID: dae4c9e83d88471bf3b3f89e3da7a107b44df11c
2018-08-22upstream: AIX reports the CODESET as "ISO8859-1" in the POSIX locale.schwarze@openbsd.org
Treating that as a safe encoding is OK because even when other systems return that string for real ISO8859-1, it is still safe in the sense that it is ASCII-compatible and stateless. Issue reported by Val dot Baranov at duke dot edu. Additional information provided by Michael dot Felt at felt dot demon dot nl. Tested by Michael Felt on AIX 6.1 and by Val Baranov on AIX 7.1. Tweak and OK djm@. OpenBSD-Commit-ID: 36f1210e0b229817d10eb490d6038f507b8256a7
2017-06-01upstream commitderaadt@openbsd.org
Switch to recallocarray() for a few operations. Both growth and shrinkage are handled safely, and there also is no need for preallocation dances. Future changes in this area will be less error prone. Review and one bug found by markus Upstream-ID: 822d664d6a5a1d10eccb23acdd53578a679d5065
2017-04-18upstream commitschwarze@openbsd.org
Recognize nl_langinfo(CODESET) return values "646" and "" as aliases for "US-ASCII", useful for different versions of NetBSD and Solaris. Found by dtucker@ and by Tom G. Christensen <tgc at jupiterrise dot com>. OK dtucker@ deraadt@ Upstream-ID: 38c2133817cbcae75c88c63599ac54228f0fa384
2017-03-20I'm a doofus.Damien Miller
Unbreak obvious syntax error.
2017-03-20Yet another synonym for ASCII: "646"Damien Miller
Used by NetBSD; this unbreaks mprintf() and friends there for the C locale (caught by dtucker@ and his menagerie of test systems).
2017-02-19upstream commitdjm@openbsd.org
Add a common nl_langinfo(CODESET) alias for US-ASCII "ANSI_X3.4-1968" that is used by Linux. Fixes mprintf output truncation for non-UTF-8 locales on Linux spotted by dtucker@; ok deraadt@ schwarze@ Upstream-ID: c6808956ebffd64066f9075d839f74ff0dd60719
2017-02-03upstream commitjsg@openbsd.org
In vasnmprintf() return an error if malloc fails and don't set a function argument to the address of free'd memory. ok djm@ Upstream-ID: 1efffffff2f51d53c9141f245b90ac23d33b9779
2016-12-12Force Turkish locales back to C/POSIX; bz#2643Damien Miller
Turkish locales are unique in their handling of the letters 'i' and 'I' (yes, they are different letters) and OpenSSH isn't remotely prepared to deal with that. For now, the best we can do is to force OpenSSH to use the C/POSIX locale and try to preserve the UTF-8 encoding if possible. ok dtucker@
2016-07-11Check for wchar.h and langinfo.hDarren Tucker
Wrap includes in the appropriate #ifdefs.
2016-06-06Add compat bits to utf8.c.Darren Tucker
2016-06-06upstream commitschwarze@openbsd.org
Even when only writing an unescaped character, the dst buffer may need to grow, or it would be overrun; issue found by tb@ with malloc.conf(5) 'C'. While here, reserve an additional byte for the terminating NUL up front such that we don't have to realloc() later just for that. OK tb@ Upstream-ID: 30ebcc0c097c4571b16f0a78b44969f170db0cff
2016-06-06upstream commitschwarze@openbsd.org
Fix two rare edge cases: 1. If vasprintf() returns < 0, do not access a NULL pointer in snmprintf(), and do not free() the pointer returned from vasprintf() because on some systems other than OpenBSD, it might be a bogus pointer. 2. If vasprintf() returns == 0, return 0 and "" rather than -1 and NULL. Besides, free(dst) is pointless after failure (not a bug). One half OK martijn@, the other half OK deraadt@; committing quickly before people get hurt. Upstream-ID: b7bcd2e82fc168a8eff94e41f5db336ed986fed0
2016-06-06upstream commitschwarze@openbsd.org
To prevent screwing up terminal settings when printing to the terminal, for ASCII and UTF-8, escape bytes not forming characters and bytes forming non-printable characters with vis(3) VIS_OCTAL. For other character sets, abort printing of the current string in these cases. In particular, * let scp(1) respect the local user's LC_CTYPE locale(1); * sanitize data received from the remote host; * sanitize filenames, usernames, and similar data even locally; * take character display widths into account for the progressmeter. This is believed to be sufficient to keep the local terminal safe on OpenBSD, but bad things can still happen on other systems with state-dependent locales because many places in the code print unencoded ASCII characters into the output stream. Using feedback from djm@ and martijn@, various aspects discussed with many others. deraadt@ says it should go in now, i probably already hesitated too long Upstream-ID: e66afbc94ee396ddcaffd433b9a3b80f387647e0