simon/gild
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This should be the first really usable version. Everything seems to work and

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the stress test went pretty well.
This commit is contained in:
simon 1997-10-19 20:09:27 +00:00
parent a53cbcbde3
commit 6f5719745a
3 changed files with 20 additions and 47 deletions
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5
Makefile
View file

@ -21,8 +21,9 @@ clean:
rm core *.o $(TARGETS) rm core *.o $(TARGETS)
install: $(TARGETS) install: $(TARGETS)
install --strip $(TARGETS) gild.conf $(HOMEDIR) install --strip $(TARGETS) $(HOMEDIR)
install handlers/* $(HOMEDIR)/handlers install gild.conf $(HOMEDIR)
cd handlers; make install
version: $(TARGETS) version: $(TARGETS)
cvs commit gild.c wrapper.c config.c log.c Makefile gild.h \ cvs commit gild.c wrapper.c config.c log.c Makefile gild.h \

2
gild.c
View file

@ -119,6 +119,8 @@ int main( int argc, char * argv[])
setsid(); /* release the controlling tty */ setsid(); /* release the controlling tty */
#endif #endif
signal( SIGCHLD, SIG_IGN); /* allow chidren to die naturally */
if ( listen( keyhole, MAX_PENDING_REQUESTS) == -1) if ( listen( keyhole, MAX_PENDING_REQUESTS) == -1)
{ {
sprintf( errorBuff, "failed in listen()?"); sprintf( errorBuff, "failed in listen()?");

58
wrapper.c
View file

@ -14,6 +14,8 @@
* * * *
\**************************************************************************/ \**************************************************************************/
/* $Header */
#include "gild.h" #include "gild.h"
extern char errorBuff[ 1024]; extern char errorBuff[ 1024];
@ -35,8 +37,6 @@ void wrapper( int conversation, char * client_id)
char firstln[ 1024]; char firstln[ 1024];
char * exec_args[1]; /* 'arguments' to pass to execve */ char * exec_args[1]; /* 'arguments' to pass to execve */
handler * command = null; handler * command = null;
pid_t child_pid; /* the process number of the spawned child */
int child_status; /* the status returned by wait() */
recv( conversation, firstln, 80, MSG_PEEK); recv( conversation, firstln, 80, MSG_PEEK);
/* get the first thing the client /* get the first thing the client
@ -71,54 +71,24 @@ void wrapper( int conversation, char * client_id)
setenv( "REMOTE_HOST", client_id, 1); setenv( "REMOTE_HOST", client_id, 1);
/* set up the handler environment */ /* set up the handler environment */
if ( command->timeout != 0) sprintf( errorBuff,
/* prevent runaway processes; if a "using handler '%s' [%d] to handle %s request from %s",
timeout has been specified for this command->command, ( int)getpid(), command->protocol,
handler, enforce it */ client_id);
{ error( LOG_NOTICE);
signal( SIGALRM,(void (*)())die);
alarm( command->timeout);
}
child_pid = fork();
switch ( child_pid)
{
case -1: /* blew it; whinge and die */
sprintf( errorBuff, "failed to fork in wrapper()");
error( LOG_ERR);
break;
case 0: /* we're the child process */
sprintf( errorBuff,
"using handler '%s' [%d] to handle %s request from %s",
command->command, ( int)getpid(), command->protocol,
client_id);
error( LOG_NOTICE);
/* log the request, and... */ /* log the request, and... */
exec_args[ 0] = command->command; exec_args[ 0] = command->command;
exec_args[ 1] = null; exec_args[ 1] = null;
/* set up the dummy arguments */ /* set up the dummy arguments */
if ( execve( command->command, if ( execve( command->command, exec_args, environ) == -1)
exec_args, environ) == -1)
/* ...execute the command (shouldn't return) */ /* ...execute the command (shouldn't return) */
{ /* if it did we've got an error */ { /* if it did we've got an error */
sprintf( errorBuff,
"error [errno %d] whislt execing handler '%s' [%d]\n",
errno, command->command, child_pid),
error( LOG_ERR);
}
break;
default: /* we're the parent */
wait( &child_status);
/* hang around for the child to die */
sprintf( errorBuff, sprintf( errorBuff,
"handler '%s' [%d] completed; wrapper exiting normally", "error [errno %d] whislt execing handler '%s' [%d]\n",
command->command, child_pid), errno, command->command, ( int)getpid()),
error( LOG_NOTICE); error( LOG_ERR);
break;
} }
} }