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#include <stdlib.h>
#include <stdio.h>
#include <mysql/mysql.h>
#include <unistd.h>
#include <string.h>
#include <sysexits.h>
#include <sys/types.h>
#include <sys/stat.h>
/**********************************************************************
** mailer to go with gnu-pop3d patch, works with sendmail
** add the following in sendmail.cf right after virtusertable ruleset
** R$* < $* @ yourdomain . net . > $#MysqlMailer $: $1
**
** Then after local mailer, add the following
** MMysqlMailer, P=/usr/local/bin/mail.MysqlMailer, F=lsDFMoqeu9, S=10/30, R=20/40,
** A=mail.MysqlMailer $u
**
** compile with gcc -o mail.MysqlMailer mail.MysqlMailer.c -lmysqlclient
**
** chown it so it is owned by same owner of your psuedo mails (mine is monly)
** and same group as owner sendmail runs as
** then chmod 4711. If you have local users on your box (shell accounts) you may want
** to declare AGENT as read-only in /etc/profile (declare -r AGENT).
**
** Author: Jim Hull (08-24-2001)
** imaginos@imaginos.net
**********************************************************************/
#define USERNAME "username" /* username field */
#define TABLE "table" /* table name */
#define Muser "user" /* Mysql username */
#define Mpass "password" /* Mysql password */
#define Mdb "db" /* Mysql Database Name */
int main(int argc, char **argv)
{
FILE *f;
char QueryStr[1024], *user, path[128], output[1024], *agent;
MYSQL *m;
MYSQL_RES *res;
MYSQL_ROW row;
int i;
if (argc != 2)
exit(EX_NOUSER);
agent = getenv("AGENT");
if (!agent)
exit(EX_NOUSER);
if (strcmp(getenv("AGENT"), "sendmail") != 0)
exit(EX_NOUSER);
user = strdup(argv[1]);
memset((char *)QueryStr, '\0', 1024);
memset((char *)path, '\0', 128);
m = mysql_init(0);
if (!m)
exit(EX_NOUSER);
if (!mysql_real_connect(m, NULL, Muser, Mpass, Mdb, 0, NULL, 0))
exit(EX_NOUSER);
sprintf(QueryStr, "select %s from %s where %s = '%s' limit 1", USERNAME, TABLE, USERNAME, user);
if (mysql_query(m, QueryStr) != 0)
exit(EX_NOUSER);
if ((res = mysql_store_result(m)) == NULL)
exit(EX_NOUSER);
if ((row = mysql_fetch_row(res)) == NULL)
exit(EX_NOUSER);
sprintf(path, "/var/spool/mail/%s", row[0]);
f = fopen(path, "a");
if (!f)
exit(EX_NOUSER);
while (!feof(stdin))
{
memset((char *)output, '\0', 1024);
fgets(output, 1024, stdin);
fprintf(f, "%s", output);
}
chmod(path, S_IWUSR|S_IRUSR|S_IRGRP|S_IWGRP);
fclose(f);
exit(0);
}
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