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2016-10-24awk: fix segfault on for loop syntax errorBrian Foley
Parsing "for()" segfaults as awk fails to find loop iteration expressions. Signed-off-by: Brian Foley <bpfoley@google.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-24lineedit: fix completion with applet names. closes 9361Denys Vlasenko
Patch by Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-24ash: return exit status of nofork appletsRon Yorston
The commit 'ash: eval: Return status in eval functions' changed how exit status is handled in eval functions. The case of nofork applets was missed, resulting in the incorrect status potentially being returned for nofork applets when FEATURE_SH_NOFORK is enabled. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-14examples: update var_service/README againDenys Vlasenko
Added "ps -AH e" example Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-14typo fixes in docDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-14examples: update var_service/README againDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2016-10-14examples: update var_service/READMEDenys Vlasenko
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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>
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