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2016-10-13telnetd: ifdef out a buggy error handling code pathDenys Vlasenko
Here, not handling the error is would just eat one input 0xff char. Correct handling would need even more corner case handling, as-is buggy handling corrupts the buffer. Since we just been told by kernel that pty is ready, EAGAIN should not be happening here anyway. function old new delta telnetd_main 1798 1785 -13 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12cpio: fix restoration of file ownership, closes 9306Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12telnet: code shrinkDenys Vlasenko
put_iac2(w,c) is mostly used with constants, fold them into one arg function old new delta put_iac2_merged - 46 +46 telnet_main 1603 1583 -20 con_escape 285 257 -28 put_iac2 50 - -50 ------------------------------------------------------------------------------ (add/remove: 1/1 grow/shrink: 0/2 up/down: 46/-98) Total: -52 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12telnetd: add another handshake example in comments, no code changesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12telnetd: treat all 2-byte IACs in 240..249 range as NOPs.Denys Vlasenko
A bit of future-proofing. Some of them can stand just being ignored. function old new delta telnetd_main 1791 1798 +7 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12telnetd: fix corner case of input processing of 0xff bytesDenys Vlasenko
I managed to reproduce the bug, with some difficulty. function old new delta telnetd_main 1780 1791 +11 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12telnetd: fix a corner case where CRLF->CR translation can misbehaveDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-12telnetd: fix handling of short writes to ptyDenys Vlasenko
If a write to pty is short, remove_iacs() can be run on a buffer repeatedly. This, for example, can eat 0xff chars (IACs, in telnet terms). Rework the logic to handle IACs in a special "write to pty" function. function old new delta telnetd_main 1662 1750 +88 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-11more: accept and ignore a bunch of optionsDenys Vlasenko
Alpine Linux stumbled over "more -s": http://bugs.alpinelinux.org/issues/5190 function old new delta more_main 857 872 +15 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-09ifupdown: rewrite state file atomicallyDenys Vlasenko
By user's request. Decided to not use fcntl(F_SETLKW) in lieu of problems with locking on networked filesystems. The existence of /var/run/ifstate.new is treated as a write lock. rename() provides atomicity. function old new delta ifupdown_main 1019 1122 +103 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-07tcpsvd: don't keep shared fd open if fd limit is reached. closes 9331Denys Vlasenko
Also, much improved help text. function old new delta packed_usage 30652 30851 +199 tcpudpsvd_main 1782 1784 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-07ash: all blocks in function node copying must be SHELL_ALIGNedDenys Vlasenko
Previous commit probably introduced a bug: non-matching size calculation in size counting and actual copying caused by SHELL_ALIGN being applied differently! This won't bite if string sizes are also SHELL_ALIGNed. Thus fixing. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-07ash testsuite: fix false positivesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-07ash: get rid of two global data variablesDenys Vlasenko
function old new delta calcsize 126 147 +21 funcstring_end - 4 +4 sizenodelist 28 24 -4 funcstringsize 4 - -4 funcstring 4 - -4 funcblocksize 4 - -4 nodeckstrdup 48 39 -9 evaltree 828 788 -40 ------------------------------------------------------------------------------ (add/remove: 1/3 grow/shrink: 1/4 up/down: 25/-105) Total: -40 bytes text data bss dec hex filename 943376 916 14292 958584 ea078 busybox_old 943344 916 14284 958544 ea050 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-07ash: comment out free(p) just before _exit, tweak some outdated commentsDenys Vlasenko
Planned to sync exitshell up to dash, turned out ours is better :) Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04wget: there is no -s option in GNU Wget 1.18, we should be compatibleDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04dhcp: merge leases.c and static_leases.c into dhcpd.cDenys Vlasenko
function old new delta send_offer 292 461 +169 udhcpd_main 1531 1588 +57 read_leases 330 332 +2 add_lease 314 312 -2 find_lease_by_mac 68 - -68 find_free_or_expired_nip 174 - -174 ------------------------------------------------------------------------------ (add/remove: 0/4 grow/shrink: 3/1 up/down: 228/-244) Total: -16 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04dhcp: merge most of static_leases.c into dhcpd.cDenys Vlasenko
function old new delta read_staticlease 121 222 +101 add_static_lease 48 - -48 log_static_leases 68 - -68 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 1/0 up/down: 101/-116) Total: -15 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-04dhcp: merge files.c into dhcpd.cDenys Vlasenko
Added NOINLINE to two function, since my version of gcc would actualy increase code size otherwise. I see no size changes. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03examples: add example of a DHCP serverDenys Vlasenko
As usual, by multiplying directories - "dhcpd_eth0", "dhcpd_wlan1" you can run many servers on different interfaces. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush: add commented-out debug printouts in "memleak" built-inDenys Vlasenko
Allocation addresses of malloc() are jittery, thought I had a mem leak in hush, but it was malloc variability. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush: fix a memory corruption when exported variable is modifiedDenys Vlasenko
The construct such as this: t=1 export t t=new_value1 had a small probability of momentarily using free()d value. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush: fix exitcode on exec failure with EACCES - should be 126Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03sh testsuite: add tests for exitcode on failure to execDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03shell: delete all msh testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hush testsuite: fix another false positiveDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03hust testsuite: fix a false positiveDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-03ash testsuite: add most of hust tests which pass for ashDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: [PARSER] Add nlprompt/nlnoprompt helpersDenys Vlasenko
Upstream commit: Date: Mon, 29 Sep 2014 22:53:53 +0800 [PARSER] Add nlprompt/nlnoprompt helpers This patch adds the nlprompt/nlnoprompt helpers to isolate code dealing with newlines and prompting. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02whitespace fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush: add var4.tests, var5.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush: fix var3.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh: do not print empty line at the end of "help" outputDenys Vlasenko
It's pointless. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: sync ash-redir/ and hush-redir/Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: sync ash-misc/source* and hush-misc/source*Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: sync ash-vars/ and hush-vars/Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash testsuite: update some of variable tests with newer versions from hushDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: create hush-redir/* and move files aroundDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02sh testsuite: create hush-heredoc/* and move files aroundDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush testsuite: add many tests from ash testsuiteDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: undo "tokname hack"Denys Vlasenko
dash has tokendlist[] array to decide which tokens end lists. We store it as first byte of each tokname_array[i]. Switch to bit array, name it like dash (tokendlist), drop special 1st byte of tokname_array[i]. This brings us closer to dash, and shrinks the binary, because many more string aliasing opportunities are now open: function old new delta pstrcmp1 - 16 +16 readtoken1 2852 2858 +6 list 326 327 +1 pstrcmp 16 15 -1 tokname 45 42 -3 ------------------------------------------------------------------------------ (add/remove: 1/0 grow/shrink: 2/2 up/down: 23/-4) Total: 19 bytes text data bss dec hex filename 943556 916 14292 958764 ea12c busybox_old 943463 916 14292 958671 ea0cf busybox_unstripped ^^^^^^^ note this! Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: placate gcc: "warning: ! is only applied to the left hand side of =="Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02hush testsuite: add glob_dir.testsDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: fix globbing bugs when using glibc glob()Denys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: style fixesDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: support "--" in "source" builtinDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02ash: expand: Fixed "$@" expansion when EXP_FULL is falseDenys Vlasenko
Upstream commit: Date: Thu, 1 Jan 2015 07:53:10 +1100 expand: Fixed "$@" expansion when EXP_FULL is false The commit 3c06acdac0b1ba0e0acdda513a57ee6e31385dce ([EXPAND] Split unquoted $@/$* correctly when IFS is set but empty) broke the case where $@ is in quotes and EXP_FULL is false. In that case we should still emit IFS as field splitting is not performed. Reported-by: Juergen Daubert <jue@jue.li> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02test: fix compile error in last commitDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-02test: memory leak: free group id listDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-01ash,hush: add a test that "continue" does not cripple trapsDenys Vlasenko
Both shells pass this test. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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