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/* $Id: bbsmail.c,v 1.2 2002/03/09 17:44:30 in2 Exp $ */
#define _BBS_UTIL_C_
#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include "config.h"
#include "pttstruct.h"
#include "util.h"
#include "perm.h"
#include "common.h"
#include "proto.h"
#define LOG_FILE (BBSHOME "/etc/mailog")
#ifdef HMM_USE_ANTI_SPAM
extern char *notitle[], *nofrom[], *nocont[];
#endif
extern userec_t xuser;
int mailalertuid(int tuid)
{
userinfo_t *uentp=NULL;
if(tuid>0 && (uentp = (userinfo_t *)search_ulist(tuid)) )
uentp->mailalert=1;
return 0;
}
void
mailog(msg)
char *msg;
{
FILE *fp;
if ((fp = fopen(LOG_FILE, "a")))
{
time_t now;
struct tm *p;
time(&now);
p = localtime(&now);
fprintf(fp, "%02d/%02d/%02d %02d:%02d:%02d <bbsmail> %s\n",
p->tm_year % 100, p->tm_mon + 1, p->tm_mday, p->tm_hour, p->tm_min, p->tm_sec,
msg);
fclose(fp);
}
}
int
mail2bbs(userid)
char *userid;
{
int uid;
fileheader_t mymail;
char genbuf[256], title[80], sender[80], filename[80], *ip, *ptr;
time_t tmp_time;
struct stat st;
FILE *fout;
/* check if the userid is in our bbs now */
if (!(uid=getuser(userid)) )
{
sprintf(genbuf, "BBS user <%s> not existed", userid);
puts(genbuf);
mailog(genbuf);
return -1;//EX_NOUSER;
}
if(xuser.userlevel&PERM_NOOUTMAIL)
return -1;
sprintf(filename, BBSHOME "/home/%c/%s", userid[0], userid);
if (stat(filename, &st) == -1)
{
if (mkdir(filename, 0755) == -1)
{
printf("mail box create error %s \n", filename);
return -1;
}
}
else if (!(st.st_mode & S_IFDIR))
{
printf("mail box error\n");
return -1;
}
// printf("dir: %s\n", filename);
/* allocate a file for the new mail */
stampfile(filename, &mymail);
// printf("file: %s\n", filename);
/* copy the stdin to the specified file */
/* parse header */
while (fgets(genbuf, 255, stdin))
{
if (!strncmp(genbuf, "From", 4))
{
if ((ip = strchr(genbuf, '<')) && (ptr = strrchr(ip, '>')))
{
*ptr = '\0';
if (ip[-1] == ' ')
ip[-1] = '\0';
ptr = (char *) strchr(genbuf, ' ');
while (*ptr == ' ') ptr++;
sprintf(sender, "%s (%s)", ip + 1, ptr);
}
else
{
strtok(genbuf, " \t\n\r");
ptr= strtok(NULL, " \t\n\r");
if(ptr)
strcpy(sender, ptr);
}
continue;
}
if (!strncmp(genbuf, "Subject: ", 9))
{
strcpy(title, genbuf + 9);
continue;
}
if (genbuf[0] == '\n')
break;
}
if ((ptr = strchr(sender, '\n')))
*ptr = '\0';
if ((ptr = strchr(title, '\n')))
*ptr = '\0';
if (strchr(sender, '@') == NULL) /* 由 local host 寄信 */
{
strcat(sender, "@" MYHOSTNAME);
}
time(&tmp_time);
#ifdef HMM_USE_ANTI_SPAM
for (n = 0; notitle[n]; n++)
if (strstr(title, notitle[n]))
{
sprintf(genbuf, "Title <%s> not accepted", title);
puts(genbuf);
mailog(genbuf);
return -1;
}
for (n = 0; nofrom[n]; n++)
if (strstr(sender, nofrom[n]))
{
sprintf(genbuf, "From <%s> not accepted", sender);
puts(genbuf);
mailog(genbuf);
return -1;
}
#endif
if ((fout = fopen(filename, "w")) == NULL)
{
printf("Cannot open %s\n", filename);
return -1;
}
if (!title[0])
sprintf(title, "來自 %.64s", sender);
title[TTLEN] = 0;
fprintf(fout, "作者: %s\n標題: %s\n時間: %s\n",
sender, title, ctime(&tmp_time));
while (fgets(genbuf, 255, stdin))
{
#ifdef HMM_USE_ANTI_SPAM
for (n = 0; nocont[n]; n++)
if (strstr(genbuf, nocont[n]))
{
fclose(fout);
unlink(filename);
sprintf(genbuf, "Content <%s> not accepted", nocont[n]);
puts(genbuf);
mailog(genbuf);
return -1;
}
#endif
fputs(genbuf, fout);
}
fclose(fout);
sprintf(genbuf, "%s => %s", sender, userid);
mailog(genbuf);
/* append the record to the MAIL control file */
strcpy(mymail.title, title);
if (strtok(sender, " .@\t\n\r"))
strcat(sender, ".");
sender[IDLEN + 1] = '\0';
strcpy(mymail.owner, sender);
sprintf(genbuf, BBSHOME "/home/%c/%s/.DIR", userid[0], userid);
mailalertuid(uid);
return append_record(genbuf, &mymail, sizeof(mymail));
}
int
main(int argc, char* argv[])
{
char receiver[256];
/* argv[1] is userid in bbs */
if (argc < 2)
{
printf("Usage:\t%s <bbs_uid>\n", argv[0]);
exit(-1);
}
(void) setgid(BBSGID);
(void) setuid(BBSUID);
if(passwd_mmap()) exit(-1);
strcpy(receiver, argv[1]);
strtok(receiver,".");
if (mail2bbs(receiver))
{
/* eat mail queue */
while (fgets(receiver, sizeof(receiver), stdin)) ;
}
return 0;
}
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