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#include <unistd.h>
#include "getln.h"
#include "buffer.h"
#include "prioq.h"
#include "stralloc.h"
#include "str.h"
#include "exit.h"
#include "hfield.h"
#include "logmsg.h"
#include "open.h"
#include "headerbody.h"
#include "maildir.h"
#define WHO "maildirwatch"
void die_nomem() { logmsg(WHO,111,FATAL,"out of memory"); }
stralloc recipient = {0};
stralloc sender = {0};
stralloc fromline = {0};
stralloc text = {0};
void addtext(char *s, int n)
{
if (!stralloc_catb(&text,s,n)) die_nomem();
if (text.len > 158) text.len = 158;
}
void dobody(stralloc *h) { addtext(h->s,h->len); }
void doheader(stralloc *h)
{
int i;
switch (hfield_known(h->s,h->len)) {
case H_SUBJECT:
i = hfield_skipname(h->s,h->len);
addtext(h->s + i,h->len - i);
break;
case H_DELIVEREDTO:
i = hfield_skipname(h->s,h->len);
if (i < h->len)
if (!stralloc_copyb(&recipient,h->s + i,h->len - i - 1)) die_nomem();
break;
case H_RETURNPATH:
i = hfield_skipname(h->s,h->len);
if (i < h->len)
if (!stralloc_copyb(&sender,h->s + i,h->len - i - 1)) die_nomem();
break;
case H_FROM:
if (!stralloc_copyb(&fromline,h->s,h->len - 1)) die_nomem();
break;
}
}
void finishheader() { ; }
stralloc filenames = {0};
prioq pq = {0};
char inbuf[BUFFER_INSIZE];
buffer bi;
int main()
{
struct prioq_elt pe;
int fd;
int i;
if (maildir_chdir() == -1)
logmsg(WHO,111,FATAL,"Can't change to maildir");
for (;;) {
maildir_clean(&filenames);
if (maildir_scan(&pq,&filenames,1,0) == -1)
logmsg(WHO,111,FATAL,"Can't read maildir");
buffer_putsflush(buffer_1,"\033[;H\033[;J");
while (prioq_min(&pq,&pe)) {
prioq_delmin(&pq);
fd = open_read(filenames.s + pe.id);
if (fd == -1) continue;
buffer_init(&bi,read,fd,inbuf,sizeof(inbuf));
if (!stralloc_copys(&sender,"?")) die_nomem();
if (!stralloc_copys(&recipient,"?")) die_nomem();
if (!stralloc_copys(&fromline,"")) die_nomem();
if (!stralloc_copys(&text,"")) die_nomem();
if (headerbody(&bi,doheader,finishheader,dobody) == -1)
logmsg(WHO,111,FATAL,"trouble reading new message");
for (i = 0; i < fromline.len; ++i)
if ((fromline.s[i] < 32) || (fromline.s[i] > 126))
fromline.s[i] = '/';
for (i = 0; i < sender.len; ++i)
if ((sender.s[i] < 32) || (sender.s[i] > 126))
sender.s[i] = '?';
for (i = 0; i < recipient.len; ++i)
if ((recipient.s[i] < 32) || (recipient.s[i] > 126))
recipient.s[i] = '?';
for (i = 0; i < text.len; ++i)
if ((text.s[i] < 32) || (text.s[i] > 126))
text.s[i] = '/';
buffer_puts(buffer_1,"FROM ");
buffer_put(buffer_1,sender.s,sender.len);
buffer_puts(buffer_1," TO <");
buffer_put(buffer_1,recipient.s,recipient.len);
buffer_puts(buffer_1,">\n");
if (fromline.len) {
buffer_puts(buffer_1,"\033[1m");
buffer_put(buffer_1,fromline.s,fromline.len);
buffer_puts(buffer_1,"\033[0m\n");
}
buffer_put(buffer_1,text.s,text.len);
buffer_puts(buffer_1,"\n\n");
close(fd);
}
buffer_flush(buffer_1);
sleep(30);
}
}
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