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/*
* mhelperlib.c
* MySQLStartup
*
* Created by Alfredo Kojima on 1/4/05.
* Copyright 2005 MySQL AB. All rights reserved.
*
*/
#include "mahelper.h"
#include <Security/Authorization.h>
#include <sys/wait.h>
#include <unistd.h>
#include <string.h>
int
mhelperPerformCommand(AuthorizationRef authorizationRef,
const char *helperPath, MAHelperCommand command)
{
int tohelper[2], fromhelper[2];
int childStatus = 0;
int written;
pid_t pid;
// char buffer[1024];
AuthorizationExternalForm extAuth;
// authref --> bytestream
if (AuthorizationMakeExternalForm(authorizationRef, &extAuth))
return MAHelperCommandInternalError;
if (pipe(tohelper) < 0)
return MAHelperCommandInternalError;
if (pipe(fromhelper) < 0)
{
close(tohelper[0]);
close(tohelper[1]);
return MAHelperCommandInternalError;
}
if ((pid = fork()) < 0)
{
close(tohelper[0]);
close(tohelper[1]);
close(fromhelper[0]);
close(fromhelper[1]);
return MAHelperCommandInternalError;
}
else if (pid == 0)
{
char *const envp[] = { NULL };
close(0);
dup2(tohelper[0], 0);
close(tohelper[0]);
close(tohelper[1]);
close(1);
close(2);
dup2(fromhelper[1], 1);
dup2(fromhelper[1], 2);
close(fromhelper[0]);
close(fromhelper[1]);
execle(helperPath, helperPath, NULL, envp);
_exit(MAHelperCommandHelperNotFound);
}
signal(SIGPIPE, SIG_IGN);
close(tohelper[0]);
close(fromhelper[1]);
if (write(tohelper[1], &extAuth, sizeof(extAuth)) != sizeof(extAuth))
{
close(tohelper[1]);
close(fromhelper[0]);
return MAHelperCommandInternalError;
}
written= write(tohelper[1], &command, sizeof(MAHelperCommand));
close(tohelper[1]);
if (written != sizeof(MAHelperCommand))
{
close(fromhelper[0]);
return MAHelperCommandInternalError;
}
// read(fromhelper[0], buffer, 1);
close(fromhelper[0]);
if (waitpid(pid, &childStatus, 0) != pid)
return MAHelperCommandInternalError;
if (!WIFEXITED(childStatus))
return MAHelperCommandInternalError;
return WEXITSTATUS(childStatus);
}
int
mautoStartState()
{
int autoStart= 0;
// check if autostart is enabled
{
char buffer[1024];
FILE *f;
f= fopen("/etc/hostconfig","r");
if (f)
{
while (fgets(buffer, sizeof(buffer), f))
{
if (strncmp(buffer,"MYSQLCOM=", sizeof("MYSQLCOM=")-1)==0)
{
if (strstr(buffer, "-YES-"))
{
autoStart= 1;
break;
}
}
}
fclose(f);
}
}
return autoStart;
}
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