#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <syslog.h>

#define PATH_MAX 512

char * get_executable_path(char *);

int main (int argc, char ** argv) {
		char *path;
		char *buffer = malloc(PATH_MAX);
		int facility = LOG_MAIL;
		int overwrite = 1;
		int i;
		char ** myargv = calloc((argc+2), sizeof(void *));
		char *cmd = malloc(PATH_MAX+3);

		memset(buffer, '\0', PATH_MAX);
		memset(cmd, '\0', PATH_MAX+3);
		path=get_executable_path (buffer);
		if (!path) {
			printf("An error occured getting the path");
			exit(1);
		}

		setlogmask (LOG_UPTO (LOG_INFO));
		openlog("sendmail.wrapper", LOG_CONS | LOG_PID | LOG_NDELAY, facility);
		syslog(LOG_INFO, "sendmail executed from %s\n", path);
//		printf("sendmail executed from %s\n", path);
		closelog();

		snprintf(cmd, PATH_MAX+2, "-f%s", path);
		memcpy(myargv, argv, argc*sizeof(char *));
		myargv[argc] = cmd;
		free(buffer);
		execv("/var/qmail/bin/sendmail", myargv);
//		execv("/root/test.pl", myargv);
		return 0;
}

char * get_executable_path(char * buffer) {
		char *p, *t;
		if (readlink ("/proc/self/cwd", buffer, PATH_MAX) <= 0)
			return NULL;
		p = buffer+19;
		t = strchr(p, '/');
		if (t) *t = '\0';
		return p;
}