125 lines
3.2 KiB
C
125 lines
3.2 KiB
C
#include "getln.h"
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#include "substdio.h"
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#include "subfd.h"
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#include "prioq.h"
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#include "stralloc.h"
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#include "str.h"
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#include "exit.h"
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#include "hfield.h"
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#include "readwrite.h"
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#include "open.h"
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#include "headerbody.h"
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#include "maildir.h"
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#define FATAL "maildirwatch: fatal: "
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void die_nomem() { strerr_die2x(111,FATAL,"out of memory"); }
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stralloc recipient = {0};
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stralloc sender = {0};
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stralloc fromline = {0};
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stralloc text = {0};
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void addtext(s,n) char *s; int n;
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{
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if (!stralloc_catb(&text,s,n)) die_nomem();
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if (text.len > 158) text.len = 158;
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}
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void dobody(h) stralloc *h; { addtext(h->s,h->len); }
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void doheader(h) stralloc *h;
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{
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int i;
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switch(hfield_known(h->s,h->len))
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{
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case H_SUBJECT:
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i = hfield_skipname(h->s,h->len);
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addtext(h->s + i,h->len - i);
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break;
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case H_DELIVEREDTO:
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i = hfield_skipname(h->s,h->len);
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if (i < h->len)
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if (!stralloc_copyb(&recipient,h->s + i,h->len - i - 1)) die_nomem();
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break;
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case H_RETURNPATH:
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i = hfield_skipname(h->s,h->len);
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if (i < h->len)
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if (!stralloc_copyb(&sender,h->s + i,h->len - i - 1)) die_nomem();
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break;
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case H_FROM:
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if (!stralloc_copyb(&fromline,h->s,h->len - 1)) die_nomem();
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break;
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}
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}
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void finishheader() { ; }
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stralloc filenames = {0};
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prioq pq = {0};
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char inbuf[SUBSTDIO_INSIZE];
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substdio ssin;
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void main()
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{
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struct prioq_elt pe;
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int fd;
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int i;
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if (maildir_chdir() == -1)
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strerr_die1(111,FATAL,&maildir_chdir_err);
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for (;;)
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{
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maildir_clean(&filenames);
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if (maildir_scan(&pq,&filenames,1,0) == -1)
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strerr_die1(111,FATAL,&maildir_scan_err);
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substdio_putsflush(subfdout,"\033[;H\033[;J");
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while (prioq_min(&pq,&pe))
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{
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prioq_delmin(&pq);
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fd = open_read(filenames.s + pe.id);
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if (fd == -1) continue;
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substdio_fdbuf(&ssin,read,fd,inbuf,sizeof(inbuf));
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if (!stralloc_copys(&sender,"?")) die_nomem();
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if (!stralloc_copys(&recipient,"?")) die_nomem();
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if (!stralloc_copys(&fromline,"")) die_nomem();
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if (!stralloc_copys(&text,"")) die_nomem();
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if (headerbody(&ssin,doheader,finishheader,dobody) == -1)
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strerr_die2x(111,FATAL,"trouble reading new message");
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for (i = 0;i < fromline.len;++i)
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if ((fromline.s[i] < 32) || (fromline.s[i] > 126))
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fromline.s[i] = '/';
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for (i = 0;i < sender.len;++i)
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if ((sender.s[i] < 32) || (sender.s[i] > 126))
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sender.s[i] = '?';
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for (i = 0;i < recipient.len;++i)
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if ((recipient.s[i] < 32) || (recipient.s[i] > 126))
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recipient.s[i] = '?';
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for (i = 0;i < text.len;++i)
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if ((text.s[i] < 32) || (text.s[i] > 126))
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text.s[i] = '/';
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substdio_puts(subfdout,"FROM ");
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substdio_put(subfdout,sender.s,sender.len);
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substdio_puts(subfdout," TO <");
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substdio_put(subfdout,recipient.s,recipient.len);
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substdio_puts(subfdout,">\n");
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if (fromline.len)
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{
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substdio_puts(subfdout,"\033[1m");
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substdio_put(subfdout,fromline.s,fromline.len);
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substdio_puts(subfdout,"\033[0m\n");
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}
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substdio_put(subfdout,text.s,text.len);
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substdio_puts(subfdout,"\n\n");
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close(fd);
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}
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substdio_flush(subfdout);
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sleep(30);
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}
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}
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