diff options
Diffstat (limited to 'IkiWiki/Wrapper.pm')
| -rw-r--r-- | IkiWiki/Wrapper.pm | 102 |
1 files changed, 84 insertions, 18 deletions
diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm index 6555fe625..927368fae 100644 --- a/IkiWiki/Wrapper.pm +++ b/IkiWiki/Wrapper.pm @@ -8,6 +8,26 @@ use File::Spec; use Data::Dumper; use IkiWiki; +sub gen_wrappers () { + debug(gettext("generating wrappers..")); + my %origconfig=(%config); + foreach my $wrapper (@{$config{wrappers}}) { + %config=(%origconfig, %{$wrapper}); + $config{verbose}=$config{setupverbose} + if exists $config{setupverbose}; + $config{syslog}=$config{setupsyslog} + if exists $config{setupsyslog}; + delete @config{qw(setupsyslog setupverbose wrappers genwrappers rebuild)}; + checkconfig(); + if (! $config{cgi} && ! $config{post_commit} && + ! $config{test_receive}) { + $config{post_commit}=1; + } + gen_wrapper(); + } + %config=(%origconfig); +} + sub gen_wrapper () { $config{srcdir}=File::Spec->rel2abs($config{srcdir}); $config{destdir}=File::Spec->rel2abs($config{destdir}); @@ -37,12 +57,9 @@ sub gen_wrapper () { addenv("$var", s); EOF } - - my $test_receive=""; - if ($config{test_receive}) { - require IkiWiki::Receive; - $test_receive=IkiWiki::Receive::gen_wrapper(); - } + + my @wrapper_hooks; + run_hooks(genwrapper => sub { push @wrapper_hooks, shift->() }); my $check_commit_hook=""; my $pre_exec=""; @@ -76,17 +93,23 @@ EOF # otherwise. The fd of the lock is stored in # IKIWIKI_CGILOCK_FD so unlockwiki can close it. $pre_exec=<<"EOF"; - { - int fd=open("$config{wikistatedir}/cgilock", O_CREAT | O_RDWR, 0666); - if (fd != -1 && flock(fd, LOCK_EX) == 0) { - char *fd_s; - asprintf(&fd_s, "%i", fd); - setenv("IKIWIKI_CGILOCK_FD", fd_s, 1); - } + lockfd=open("$config{wikistatedir}/cgilock", O_CREAT | O_RDWR, 0666); + if (lockfd != -1 && flock(lockfd, LOCK_EX) == 0) { + char *fd_s=malloc(8); + sprintf(fd_s, "%i", lockfd); + setenv("IKIWIKI_CGILOCK_FD", fd_s, 1); } EOF } + my $set_background_command=''; + if (defined $config{wrapper_background_command} && + length $config{wrapper_background_command}) { + my $background_command=delete $config{wrapper_background_command}; + $set_background_command=~s/"/\\"/g; + $set_background_command='#define BACKGROUND_COMMAND "'.$background_command.'"'; + } + $Data::Dumper::Indent=0; # no newlines my $configstring=Data::Dumper->Dump([\%config], ['*config']); $configstring=~s/\\/\\\\/g; @@ -108,7 +131,7 @@ extern char **environ; char *newenviron[$#envsave+6]; int i=0; -addenv(char *var, char *val) { +void addenv(char *var, char *val) { char *s=malloc(strlen(var)+1+strlen(val)+1); if (!s) perror("malloc"); @@ -117,15 +140,27 @@ addenv(char *var, char *val) { } int main (int argc, char **argv) { + int lockfd=-1; char *s; $check_commit_hook -$test_receive +@wrapper_hooks $envsave newenviron[i++]="HOME=$ENV{HOME}"; newenviron[i++]="WRAPPED_OPTIONS=$configstring"; + +#ifdef __TINYC__ + /* old tcc versions do not support modifying environ directly */ + if (clearenv() != 0) { + perror("clearenv"); + exit(1); + } + for (; i>0; i--) + putenv(newenviron[i-1]); +#else newenviron[i]=NULL; environ=newenviron; +#endif if (setregid(getegid(), -1) != 0 && setregid(getegid(), -1) != 0) { @@ -139,15 +174,46 @@ $envsave } $pre_exec + +$set_background_command +#ifdef BACKGROUND_COMMAND + if (lockfd != -1) { + close(lockfd); + } + + pid_t pid=fork(); + if (pid == -1) { + perror("fork"); + exit(1); + } + else if (pid == 0) { + execl("$this", "$this", NULL); + perror("exec $this"); + exit(1); + } + else { + waitpid(pid, NULL, 0); + + if (daemon(1, 0) == 0) { + system(BACKGROUND_COMMAND); + exit(0); + } + else { + perror("daemon"); + exit(1); + } + } +#else execl("$this", "$this", NULL); perror("exec $this"); exit(1); +#endif } EOF - close OUT; - my $cc=exists $ENV{CC} ? possibly_foolish_untaint($ENV{CC}) : 'cc'; - if (system($cc, "$wrapper.c", "-o", "$wrapper.new") != 0) { + my @cc=exists $ENV{CC} ? possibly_foolish_untaint($ENV{CC}) : 'cc'; + push @cc, possibly_foolish_untaint($ENV{CFLAGS}) if exists $ENV{CFLAGS}; + if (system(@cc, "$wrapper.c", "-o", "$wrapper.new") != 0) { #translators: The parameter is a C filename. error(sprintf(gettext("failed to compile %s"), "$wrapper.c")); } |