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2020-04-09httpd: allow use of MD5-encrypted passwordsRon Yorston1-1/+12
Allow use of MD5-encrypted passwords in HTTP authentication. However: - Since it adds 4K to the size of the binary it isn't enabled by default. Unencrypted password are allowed in the default build. - The use of '*' wildcards for user/password in the configuration file isn't allowed. - Enabling this feature requires enabling 'Use internal crypt functions' (USE_BB_CRYPT) in the 'Login/Password Management Utilities' section.
2020-04-08httpd: prevent access to config file and authenticated URLsRon Yorston1-0/+12
Filesystems on Microsoft Windows are usually case-insensitive. This allows clients to circumvent security by requesting URLs with changes in case that aren't anticipated by the server: http://example.com/Httpd.conf vs http://example.com/httpd.conf http://example.com/SeCuReDir vs http://example.com/SecureDir Use case-insensitive comparisons to avoid this.
2020-04-07httpd: don't change directory in inetd modeRon Yorston3-11/+17
In the WIN32 port inetd mode is used in the same way as in NOMMU to process each new connection. However, it shares a problem with NOMMU mode upstream: the child process changes directory unnecessarily. Thus, 'httpd -fvvvp 8080 -h www' fails with errors: httpd: can't change directory to 'www': No such file or directory Fix this in the WIN32 port by not changing directory in inetd mode. The behaviour of inetd mode is now quite unlike upstream so the option have been changed to '-I' and removed from the help message. Since the -e/-d options appear in the help message unconditionally FEATURE_HTTPD_ENCODE_URL_STR has been enabled.
2020-04-06time: WIN32 portRon Yorston6-12/+106
Port the time applet to WIN32. This requires the implemntation of a replacement for wait3(2). Only elapsed, user and system times are supported, not the memory and i/o statistics reported by GNU time.
2020-04-05httpd: enable in default configurationsRon Yorston3-13/+15
Enable the httpd applet in WIN32 default configurations. Some additional features have also been enabled: 'Ranges:' header Basic HTTP authentication Custom error pages GZIP content encoding Common Gateway Interface (CGI) and related features are not enabled. Basic HTTP authentication requires bb_simplify_abs_path_inplace(). This function shouldn't be used for WIN32 paths. In this case it's processing a URL which is OK.
2020-04-05httpd: WIN32 portRon Yorston1-2/+133
Use mingw_spawn_detach() to daemonize the server. Pass the open socket to the child process on the command line. Omit handling of SIGHUP and SIGALRM. Timeouts are handled using poll(2) instead of alarm(2).
2020-04-05win32: new functions: getpeername(2), mingw_spawn_detach()Ron Yorston3-3/+30
Implement getpeername(2). Add mingw_spawn_detach() to allow the spawned process to detach from the console.
2020-04-05libbb: rearrange command line processingRon Yorston1-13/+11
Process the '--busybox' flag before checking argv[0].
2020-03-29xargs: restore correct behaviour of -n optionRon Yorston2-1/+12
Since commit 1ff7002b1 (xargs: fix handling of quoted arguments, closes 11441) the -n option hasn't worked properly: $ echo 1 2 3 | xargs -n 1 echo 1 2 3 $ Because state is now remembered between calls to process_stdin() it's necessary to update the state before any premature return.
2020-03-29win32: more improvements to 'c:file' pathsRon Yorston2-3/+4
Tab-completion of 'c:file' paths was leaking memory and incorrectly included BusyBox applets and shell built-ins. Fix handling of 'c:file' paths used as arguments to spawn functions. Otherwise things like 'timeout 5 c:busybox sleep 99' don't work.
2020-03-29timeout: fix utter brokennessRon Yorston1-0/+1
The merge from upstream (commit d89ced75b, 2018-09-10) completely broke timeout. Apply a belated fix.
2020-03-24dd: create a sparse file when seek=N is usedRon Yorston3-0/+21
When the seek=N argument is used mark the file as sparse and set the range that is sparse. See https://stackoverflow.com/questions/4011508/how-to-create-a-sparse-file-on-ntfs
2020-03-24win32: stat(2): return correct st_blocks for compressed/sparse filesRon Yorston1-1/+13
Use GetCompressedFileSize to obtain the actual number of blocks for compressed or sparse files. Use this to return a more accurate value for st_blocks.
2020-03-18win32: improve handling of 'c:file' paths for executablesRon Yorston2-3/+11
bb_basename() didn't properly handle paths of the form 'c:file'. Attempting to run 'c:busybox' resulted in 'c:busybox: applet not found'. The shell had a similar problem: trying to run 'c:busybox' reported 'sh: c:busybox: not found'.
2020-02-24ash: expand: Fix multiple issues with EXP_DISCARD in evalvarDenys Vlasenko1-14/+14
Upstream commit: Date: Wed, 12 Sep 2018 14:27:16 +0800 expand: Fix multiple issues with EXP_DISCARD in evalvar The commit 3cd538634f71538370f5af239f342aec48b7470b broke parameter expansion in multiple ways because the EXP_DISCARD flag wasn't set or tested for various cases: $ src/dash -c 'var=; echo ${var:+nonempty}' nonempty $ src/dash -u -c 'unset foo bar; echo ${foo+${bar}}' dash: 1: bar: parameter not set $ src/dash -c 'foo=bar; echo ${foo=BUG}; echo $foo' barBUG bar $ This patch fixes them by introducing a new discard variable that tracks whether the extra word should be discarded or not when it is parsed. Reported-by: Martijn Dekker <martijn@inlv.org> Fixes: 3cd538634f71 ("expand: Do not reprocess data when...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Reported-by: Martijn Dekker <martijn@inlv.org> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-24ash: expand: Do not reprocess data when expanding wordsDenys Vlasenko1-178/+154
Upstream patch: Date: Wed, 30 May 2018 02:06:03 +0800 expand: Do not reprocess data when expanding words Currently various paths will reprocess data when performing word expansion. For example, expari will skip backwards looking for the start of the arithmetic expansion, while evalvar will skip unexpanded words manually. This is cumbersome and error-prone. This patch fixes this by making word expansions proceed in a linear fashion. This means changing argstr and the various expansion functions such as expari and subevalvar to return the next character to be expanded. This is inspired by similar code from FreeBSD. However, we take things one step further and completely remove the manual word skipping in evalvar. This is accomplished by introducing a new EXP_DISCARD flag that tells argstr to only parse and not produce any actual expansions. Incidentally, argstr will now always NUL-terminate the expansion unless the EXP_WORD flag is set. This is because all but one caller of argstr wants the result to be NUL-termianted. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Also includes two one-line follow-up fixes: expand: Eat closing brace for length parameter if (subtype == VSLENGTH) { + p++; if (flag & EXP_DISCARD) expand: Fix double-decrement in argstr - newloc = expdest - (char *)stackblock() - end; + newloc = q - (char *)stackblock() - end; and changes in code for bash substring extensions. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-24ash: move TRACE statement in evalcommand()Ron Yorston1-1/+2
Following recent work on evalcommand() a TRACE statement to report the status of a forked command was left in the wrong place. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-24ash: rename some function parameters to match dashDenys Vlasenko1-29/+29
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-24ash: rename stack_nputstr() back to stnputs() to match dashDenys Vlasenko1-3/+3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-22ash: Expand here-documents in the current shell environmentDenys Vlasenko3-13/+22
Upstream commit: Date: Sun, 11 Nov 2007 15:27:00 +0800 Expand here-documents in the current shell environment Previously we always expanded here-documents in a subshell. This is contrary to the POSIX specification and how other shells behave. What's more this slows down many expansions due to the extra fork (however, it must be said that it is possible for it speed up certain expansions by running it simultaneously with the command on two CPUs). This patch move the expansion into the current shell environment. Test case: unset a cat <<- EOF > /dev/null ${a=NOT} EOF echo ${a}BAD Old result: BAD New result: NOTBAD Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-22ash: parser: Do not push token back before parseheredocDenys Vlasenko1-1/+4
Upstream commit: Date: Mon, 19 Nov 2018 18:43:58 +0800 parser: Do not push token back before parseheredoc When we read the first token in list() we use peektoken instead of readtoken as the following code needs to use the same token again. However, this is wrong when we're in a here-document as it will clobber the saved token without resetting the tokpushback flag. This patch fixes it by doing the tokpushback after parseheredoc and setting lasttoken again if parseheredoc was called. Reported-by: Ron Yorston <rmy@frippery.org> Fixes: 7c245aa8ed33 ("[PARSER] Simplify EOF/newline handling in...") Fixes: ee5cbe9fd6bc ("[SHELL] Optimize dash -c "command" to avoid a fork") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Tested-by: Simon Ser <contact@emersion.fr> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-22ash: parser: Fix old-style command substitution here-document crashDenys Vlasenko1-1/+1
Upstream commit: Date: Fri, 29 Mar 2019 13:49:59 +0800 parser: Fix old-style command substitution here-document crash ... This is caused by the recent change to save/restore here-docment list around command substitutions. In doing so we must finish existing here-documents prior to restoring the old here-document list. This is done for new-style command substitutions but not for old-style. This patch fixes it by doing it for both. Fixes: 51e2d88d6e51 ("parser: Save/restore here-documents in...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-21hush: fix negative_arith.tests: glob-protect dash in "$((arith))"Denys Vlasenko1-5/+19
function old new delta expand_vars_to_list 1026 1082 +56 parse_dollar 810 811 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 2/0 up/down: 57/0) Total: 57 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-21ash: expand: Ensure result is escaped in cvtnumDenys Vlasenko5-25/+44
Upstream commit: Date: Fri, 1 Jun 2018 18:25:29 +0800 expand: Ensure result is escaped in cvtnum The minus sign generated from arithmetic expansion is currently unquoted which causes anomalies when the result is used in where the quoting matters. This patch fixes it by explicitly calling memtodest on the result in cvtnum. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-21ash: memalloc: Avoid looping in growstacktoDenys Vlasenko1-7/+7
Upstream commit: Date: Thu, 31 May 2018 01:51:48 +0800 memalloc: Avoid looping in growstackto Currently growstackto will repeatedly call growstackblock until the requisite size is obtained. This is wasteful. This patch changes growstackblock to take a minimum size instead. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-21ash: remove unused signal handling variablesRon Yorston1-3/+11
got_sigchld and pending_sig serve no purpose on Microsoft Windows. Saves 64 bytes.
2020-02-21hush: make "exit" in trap use pre-trap exitcode - fix for nested trapDenys Vlasenko5-1/+29
function old new delta check_and_run_traps 276 278 +2 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-21hush: make "exit" in trap use pre-trap exitcodeDenys Vlasenko1-3/+13
function old new delta check_and_run_traps 259 276 +17 builtin_exit 42 53 +11 hush_main 1086 1096 +10 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 3/0 up/down: 38/0) Total: 38 bytes Fixes exitcode_trap2.tests. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: eval: Only restore exit status on exit/returnDenys Vlasenko1-48/+51
Upstream commit: Date: Fri, 14 Dec 2018 13:52:02 +0800 eval: Only restore exit status on exit/return We unconditionally restore the saved status in exitreset, which is incorrect as we only want to do it for exitcmd and returncmd. This patch fixes the problem by introducing EXEND. Reported-by: Martijn Dekker <martijn@inlv.org> Fixes: da30b4b78769 ("[BUILTIN] Exit without arguments in a trap...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: Return without arguments in a trap should use status outside trapsDenys Vlasenko1-5/+18
Fixes exitcode_trap4.tests. Upstream commit: Date: Mon, 6 Oct 2014 21:51:26 +0800 Return without arguments in a trap should use status outside traps POSIX now requires that return without arguments in a trap should return the last command status prior to executing traps. This patch implements this behaviour. Incidentally this also changes the behaviour of return without arguments in a loop conditional to use the last exit status in the body as opposed to the last command in the conditional when there is one. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20hush: implement "return NUM in trap sets $? after trap"Denys Vlasenko13-1/+98
function old new delta builtin_return 47 67 +20 check_and_run_traps 243 259 +16 run_pipe 1583 1597 +14 hush_main 1076 1086 +10 run_list 1054 1055 +1 ------------------------------------------------------------------------------ (add/remove: 0/0 grow/shrink: 5/0 up/down: 61/0) Total: 61 bytes Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: fixes to make the last merge workRon Yorston1-1/+5
In dowait() force waitone() to be called at least once. This is less efficient but is required since on Microsoft Windows got_sigchld will never be set. Propagate return status of nofork applets. This fix has also been accepted upstream.
2020-02-20ash: return exit status of nofork applets (again)Ron Yorston1-1/+1
Since commit d81af7216 (ash: eval: Reap zombies after built-in commands and functions) if the shell is compiled with SH_STANDALONE and SH_NOFORK enabled nofork applets potentially return the incorrect status. The status value returned by evalcommand() in this case is obtained from exitstatus in a call to waitforjob(NULL). This overwrites the status set for nonfork applets. If this commit seems familiar it's essentially a reversion of commit 5ccb0e92fa (ash: return exit status of nofork applets). What was correct in 2016 is wrong in 2020 and vice versa. Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: eval: Always set localvar_stopDenys Vlasenko1-11/+12
Upstream commit: Date: Thu, 31 May 2018 01:15:34 +0800 eval: Always set localvar_stop The variable localvar_stop is set iff vlocal is true. gcc doesn't get this so we get a spurious warning. This patch fixes this by always calling pushlocalvars with vlocal and making it only actually do the push if vlocal is non-zero. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: expand: Merge syntax/quotes in memtodest with flagsDenys Vlasenko1-21/+19
Upstream commit: Date: Mon, 28 May 2018 00:17:39 +0800 expand: Merge syntax/quotes in memtodest with flags The function arguments syntax and quotes are both derived from the expansion flags. As syntax is only used by memtodest we do not need to maintain it outside of the function at all. The only place that uses something other than BASESYNTAX or DQSYNTAX is exptilde. However in that case DQSYNTAX has exactly the same effect as SQSYNTAX. This patch merges these two arguments into a single flags. The macro QUOTES_KEEPNUL has been renamed to EXP_KEEPNUL in order to keep the namespace separate. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: eval: Replace with listsetvar with mklocal/setvareqDenys Vlasenko1-35/+28
Upstream commit: Date: Sat, 19 May 2018 02:39:55 +0800 eval: Replace with listsetvar with mklocal/setvareq This patch replaces listsetvar with mklocal/setvareq. As we now determine special built-in status prior to variable assignment, we no longer have to do a second pass listsetvar. Instead we will call setvareq directly instead of mklocal when necessary. In order to do this mklocal can now take a flag in order to mark a variable for export. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: eval: Fail immediately with redirections errors for simple commandDenys Vlasenko2-17/+16
Upstream commit: Date: Sat, 19 May 2018 02:39:54 +0800 eval: Fail immediately with redirections errors for simple command Previously, dash would continue to perform variable expansions even if a redirection error occured. This patch changes it so that it fails immediately. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-20ash: eval: Add assignment built-in support againDenys Vlasenko1-85/+91
Upstream commit: Date: Sat, 19 May 2018 02:39:52 +0800 eval: Add assignment built-in support again This patch adds assignment built-in support that used to exist in dash prior to 0.3.8-15. This is because it will soon be part of POSIX, and the semantics are now much better defined. Recognition is done at execution time, so even "command -- export" or "var=export; command $var" should work. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-19ash,hush: testcase for "exit" without arguments in a trapDenys Vlasenko4-0/+20
hush fails this one Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-18ash,hush: add comment about masked SIGCHLD, handle SIG_IGNed SIGHUP as in bashDenys Vlasenko2-9/+37
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-18ash: jobs: Only clear gotsigchld when waiting for everythingDenys Vlasenko1-66/+56
Upstream commit: Date: Sat, 19 May 2018 02:39:41 +0800 jobs: Only clear gotsigchld when waiting for everything The gotsigchld flag is always cleared in dowait but not all callers of dowait will wait for everything. In particular, when jp is set we only wait until the set job isn't running anymore. This patch fixes this by only clearing gotsigchld if jp is unset. It also changes the waitcmd to actually set jp which corresponds to the behaviour of bash/ksh93/mksh. The only other caller of dowait that doesn't wait for everything is the jobless reaper. This is in fact redundant now that we wait after every simple command. This patch removes it. Finally as every caller of dowait needs to wait until either the given job is not running, or until all terminated jobs have been processed, this patch moves the loop into dowait itself. Fixes: 03876c0743a5 ("eval: Reap zombies after built-in...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-18ash: jobs - Do not block when waiting on SIGCHLDDenys Vlasenko1-11/+14
Upstream comment: Date: Mon, 7 May 2018 00:40:34 +0800 jobs - Do not block when waiting on SIGCHLD Because of the nature of SIGCHLD, the process may have already been waited on and therefore we must be prepared for the case that wait may block. So ensure that it doesn't by using WNOHANG. Furthermore, multiple jobs may have exited when gotsigchld is set. Therefore we need to wait until there are no zombies left. Lastly, waitforjob needs to be called with interrupts off and the original patch broke that. Fixes: 03876c0743a5 ("eval: Reap zombies after built-in...") Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> While at it, removed INT_ON/OFF in waitforjob() - it must be called from INT_OFF region anyway. Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-18ash: eval: Reap zombies after built-in commands and functionsDenys Vlasenko1-16/+10
Upstream commit: Date: Mon, 26 Mar 2018 23:55:50 +0800 eval: Reap zombies after built-in commands and functions Currently dash does not reap dead children after built-in commands or functions. This means that if you construct a loop consisting of solely built-in commands and functions, then zombies can hang around indefinitely. This patch fixes this by reaping when necessary after each built-in command and function. Reported-by: Denys Vlasenko <vda.linux@googlemail.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-18iconv: minor fixesRon Yorston1-13/+14
Add an explicit test for EOF. Otherwise when processing input from interactive stdin it's necessary to enter ^Z twice to signal EOF. Allow '-' to be mixed with actual file names on the command line.
2020-02-17ash: exec: Never rehash regular built-insDenys Vlasenko1-3/+10
Upstream commit: Date: Sat, 19 May 2018 02:39:51 +0800 exec: Never rehash regular built-ins As regular (including special) built-ins can never be overridden, we should never remove them from the hash table. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-17ash: exec: Stricter pathopt parsingDenys Vlasenko1-64/+104
Upstream comment: Date: Sat, 19 May 2018 02:39:50 +0800 exec: Stricter pathopt parsing This patch changes the parsing of pathopt. First of all only %builtin and %func (with arbitrary suffixes) will be recognised. Any other pathopt will be treated as a normal directory. Furthermore, pathopt can now be specified before the directory, rather than after it. In fact, a future version may remove support for pathopt suffixes. Wherever the pathopt is placed, an optional % may be placed after it to terminate the pathopt. This is so that it is less likely that a genuine directory containing a % sign is parsed as a pathopt. Users of padvance outside of exec.c have also been modified: 1) cd(1) will always treat % characters as part of the path. 2) chkmail will continue to accept arbitrary pathopt. 3) find_dot_file will ignore the %builtin pathopt instead of trying to do a stat in the accompanying directory (which is usually the current directory). The patch also removes the clearcmdentry optimisation where we attempt to only partially flush the table where possible. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-17ash: exec: Do not allocate stack string in padvanceDenys Vlasenko1-36/+38
Upstream commit: Date: Sat, 19 May 2018 02:39:48 +0800 exec: Do not allocate stack string in padvance Many callers of padvance immediately free the allocated string so this patch moves the stalloc call to the caller. Instead of returning the allocated string, padvance now returns the length to allocate (this may be longer than the actual string length, even including the NUL). For the case where we would previously return NULL, we now return -1. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-17ash: memalloc: Add growstackto helperDenys Vlasenko1-17/+12
Upstream commit: Date: Sat, 19 May 2018 02:39:46 +0800 memalloc: Add growstackto helper This patch adds the growstackto helper which repeatedly calls growstackblock until the requested size is reached. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-17ash: parser: Save/restore here-documents in command substitutionDenys Vlasenko1-9/+16
Upstream comment: Date: Sat, 19 May 2018 02:39:42 +0800 parser: Save/restore here-documents in command substitution This patch changes the parsing of here-documents within command substitution, both old style and new style. In particular, the original here-document list is saved upon the beginning of parsing command substitution and restored when exiting. This means that here-documents outside of command substitution can no longer be filled by text within it and vice-versa. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
2020-02-17ash: mkinit: Split reset into exitreset and resetDenys Vlasenko1-7/+19
Upstream commit: Date: Sat, 19 May 2018 02:39:40 +0800 mkinit: Split reset into exitreset and reset Previously reset was called after exitshell. This was changed so that it was called before exitshell because certain state needed to be reset in order for the EXIT trap to work. However, this caused issues because certain other states (such as local variables) should not be reset. This patch fixes this by creating a new function exitreset that is called prior to exitshell and moving reset back to its original location. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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