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- #include <sys/types.h>
- #include <sys/stat.h>
- #include "readwrite.h"
- #include "sig.h"
- #include "direntry.h"
- #include "control.h"
- #include "select.h"
- #include "open.h"
- #include "seek.h"
- #include "exit.h"
- #include "lock.h"
- #include "ndelay.h"
- #include "now.h"
- #include "getln.h"
- #include "substdio.h"
- #include "alloc.h"
- #include "error.h"
- #include "stralloc.h"
- #include "str.h"
- #include "byte.h"
- #include "fmt.h"
- #include "scan.h"
- #include "case.h"
- #include "auto_qmail.h"
- #include "trigger.h"
- #include "newfield.h"
- #include "quote.h"
- #include "qmail.h"
- #include "qsutil.h"
- #include "prioq.h"
- #include "constmap.h"
- #include "fmtqfn.h"
- #include "readsubdir.h"
-
- #ifdef __amigaos__
- #define timeval amigaos_timeval
- #include <exec/types.h>
- #include <dos/dos.h>
- #include <proto/exec.h>
- #undef timeval
- #include <sys/signal.h>
- #include <stdio.h> /* Needed by ix(_amiga).h. */
- /* Hack to find out if include files are for ixemul version 47+ or not. */
- #define __pos__
- #ifndef CTOBPTR
- #define ix_select extselect
- #include <ix_amiga.h>
- #else
- #define __INCLV47__
- #include <ix.h>
- #endif
- #undef __pos__
- #endif
-
- /* critical timing feature #1: if not triggered, do not busy-loop */
- /* critical timing feature #2: if triggered, respond within fixed time */
- /* important timing feature: when triggered, respond instantly */
- #define SLEEP_TODO 1500 /* check todo/ every 25 minutes in any case */
- #define SLEEP_FUZZ 1 /* slop a bit on sleeps to avoid zeno effect */
- #define SLEEP_FOREVER 86400 /* absolute maximum time spent in select() */
- #define SLEEP_CLEANUP 76431 /* time between cleanups */
- #define SLEEP_SYSFAIL 123
- #define OSSIFIED 129600 /* 36 hours; _must_ exceed q-q's DEATH (24 hours) */
-
- int lifetime = 604800;
-
- stralloc percenthack = {0};
- struct constmap mappercenthack;
- stralloc locals = {0};
- struct constmap maplocals;
- stralloc redir = {0};
- struct constmap mapredir;
- stralloc vdoms = {0};
- struct constmap mapvdoms;
- stralloc envnoathost = {0};
- stralloc bouncefrom = {0};
- stralloc bouncehost = {0};
- stralloc doublebounceto = {0};
- stralloc doublebouncehost = {0};
-
- char strnum2[FMT_ULONG];
- char strnum3[FMT_ULONG];
-
- #define CHANNELS 2
- char *chanaddr[CHANNELS] = { "local/", "remote/" };
- char *channodelmsg[CHANNELS] = {
- "local deliveries will be put on hold\n"
- , "remote deliveries will be put on hold\n"
- };
- char *tochan[CHANNELS] = { " to local ", " to remote " };
- int chanfdout[CHANNELS] = { 1, 3 };
- int chanfdin[CHANNELS] = { 2, 4 };
- int chanskip[CHANNELS] = { 10, 20 };
-
- int flagexitasap = 0; void sigterm() { flagexitasap = 1; }
- int flagrunasap = 0; void sigalrm() { flagrunasap = 1; }
- int flagreadasap = 0; void sighup() { flagreadasap = 1; }
-
- void cleandied() { log1("alert: oh no! lost qmail-clean connection! dying...\n");
- flagexitasap = 1; }
-
- int flagspawnalive[CHANNELS];
- void spawndied(c) int c; { log1("alert: oh no! lost spawn connection! dying...\n");
- flagspawnalive[c] = 0; flagexitasap = 1; }
-
- #define REPORTMAX 10000
-
- datetime_sec recent;
-
-
- /* this file is too long ----------------------------------------- FILENAMES */
-
- stralloc fn = {0};
- stralloc fn2 = {0};
- char fnmake_strnum[FMT_ULONG];
-
- void fnmake_init()
- {
- while (!stralloc_ready(&fn,FMTQFN)) nomem();
- while (!stralloc_ready(&fn2,FMTQFN)) nomem();
- }
-
- void fnmake_info(id) unsigned long id; { fn.len = fmtqfn(fn.s,"info/",id,1); }
- void fnmake_todo(id) unsigned long id; { fn.len = fmtqfn(fn.s,"todo/",id,0); }
- void fnmake_mess(id) unsigned long id; { fn.len = fmtqfn(fn.s,"mess/",id,1); }
- void fnmake_foop(id) unsigned long id; { fn.len = fmtqfn(fn.s,"foop/",id,0); }
- void fnmake_split(id) unsigned long id; { fn.len = fmtqfn(fn.s,"",id,1); }
- void fnmake2_bounce(id) unsigned long id;
- { fn2.len = fmtqfn(fn2.s,"bounce/",id,0); }
- void fnmake_chanaddr(id,c) unsigned long id; int c;
- { fn.len = fmtqfn(fn.s,chanaddr[c],id,1); }
-
-
- /* this file is too long ----------------------------------------- REWRITING */
-
- stralloc rwline = {0};
-
- /* 1 if by land, 2 if by sea, 0 if out of memory. not allowed to barf. */
- /* may trash recip. must set up rwline, between a T and a \0. */
- int rewrite(recip)
- char *recip;
- {
- int i;
- int j;
- char *x;
- static stralloc addr = {0};
- static stralloc domain = {0};
-
- if (!stralloc_copys(&rwline,"T")) return 0;
- if (!stralloc_copys(&addr,recip)) return 0;
-
- i = byte_rchr(addr.s,addr.len,'@');
- if (i == addr.len) {
- if (!stralloc_cats(&addr,"@")) return 0;
- if (!stralloc_cat(&addr,&envnoathost)) return 0;
- }
-
- while (constmap(&mappercenthack,addr.s + i + 1,addr.len - i - 1)) {
- j = byte_rchr(addr.s,i,'%');
- if (j == i) break;
- addr.len = i;
- i = j;
- addr.s[i] = '@';
- }
-
- if (x = constmap(&mapredir,addr.s,addr.len))
- if (x[str_chr(x,'@')])
- if (!stralloc_copys(&addr,x)) return 0;
-
- i = byte_rchr(addr.s,addr.len,'@');
- if (!stralloc_copyb(&domain,addr.s + i + 1,addr.len - i - 1)) return 0;
- addr.len = i;
-
- if (constmap(&maplocals,domain.s,domain.len)) {
- if (!stralloc_cat(&rwline,&addr)) return 0;
- if (!stralloc_cats(&rwline,"@")) return 0;
- if (!stralloc_cat(&rwline,&domain)) return 0;
- if (!stralloc_0(&rwline)) return 0;
- return 1;
- }
-
- for (i = 0;i <= domain.len;++i)
- if ((i == 0) || (i == domain.len) || (domain.s[i] == '.'))
- if (x = constmap(&mapvdoms,domain.s + i,domain.len - i)) {
- if (!*x) break;
- if (!stralloc_cats(&rwline,x)) return 0;
- if (!stralloc_cats(&rwline,"-")) return 0;
- if (!stralloc_cat(&rwline,&addr)) return 0;
- if (!stralloc_cats(&rwline,"@")) return 0;
- if (!stralloc_cat(&rwline,&domain)) return 0;
- if (!stralloc_0(&rwline)) return 0;
- return 1;
- }
-
- if (!stralloc_cat(&rwline,&addr)) return 0;
- if (!stralloc_cats(&rwline,"@")) return 0;
- if (!stralloc_cat(&rwline,&domain)) return 0;
- if (!stralloc_0(&rwline)) return 0;
- return 2;
- }
-
- void senderadd(sa,sender,recip)
- stralloc *sa;
- char *sender;
- char *recip;
- {
- int i;
- int j;
- int k;
-
- i = str_len(sender);
- if (i >= 4)
- if (str_equal(sender + i - 4,"-@[]"))
- {
- j = byte_rchr(sender,i - 4,'@');
- k = str_rchr(recip,'@');
- if (recip[k] && (j + 5 <= i))
- {
- /* owner-@host-@[] -> owner-recipbox=reciphost@host */
- while (!stralloc_catb(sa,sender,j)) nomem();
- while (!stralloc_catb(sa,recip,k)) nomem();
- while (!stralloc_cats(sa,"=")) nomem();
- while (!stralloc_cats(sa,recip + k + 1)) nomem();
- while (!stralloc_cats(sa,"@")) nomem();
- while (!stralloc_catb(sa,sender + j + 1,i - 5 - j)) nomem();
- return;
- }
- }
- while (!stralloc_cats(sa,sender)) nomem();
- }
-
-
- /* this file is too long ---------------------------------------------- INFO */
-
- int getinfo(sa,dt,id)
- stralloc *sa;
- datetime_sec *dt;
- unsigned long id;
- {
- int fdinfo;
- struct stat st;
- static stralloc line = {0};
- int match;
- substdio ss;
- char buf[128];
-
- fnmake_info(id);
- fdinfo = open_read(fn.s);
- if (fdinfo == -1) return 0;
- if (fstat(fdinfo,&st) == -1) { close(fdinfo); return 0; }
- substdio_fdbuf(&ss,read,fdinfo,buf,sizeof(buf));
- if (getln(&ss,&line,&match,'\0') == -1) { close(fdinfo); return 0; }
- close(fdinfo);
- if (!match) return 0;
- if (line.s[0] != 'F') return 0;
-
- *dt = st.st_mtime;
- while (!stralloc_copys(sa,line.s + 1)) nomem();
- while (!stralloc_0(sa)) nomem();
- return 1;
- }
-
-
- /* this file is too long ------------------------------------- COMMUNICATION */
-
- substdio sstoqc; char sstoqcbuf[1024];
- substdio ssfromqc; char ssfromqcbuf[1024];
- stralloc comm_buf[CHANNELS] = { {0}, {0} };
- int comm_pos[CHANNELS];
-
- void comm_init()
- {
- int c;
- substdio_fdbuf(&sstoqc,write,5,sstoqcbuf,sizeof(sstoqcbuf));
- substdio_fdbuf(&ssfromqc,read,6,ssfromqcbuf,sizeof(ssfromqcbuf));
- for (c = 0;c < CHANNELS;++c)
- if (ndelay_on(chanfdout[c]) == -1)
- /* this is so stupid: NDELAY semantics should be default on write */
- spawndied(c); /* drastic, but better than risking deadlock */
- }
-
- int comm_canwrite(c)
- int c;
- {
- /* XXX: could allow a bigger buffer; say 10 recipients */
- if (comm_buf[c].s && comm_buf[c].len) return 0;
- return 1;
- }
-
- void comm_write(c,delnum,id,sender,recip)
- int c;
- int delnum;
- unsigned long id;
- char *sender;
- char *recip;
- {
- char ch;
- if (comm_buf[c].s && comm_buf[c].len) return;
- while (!stralloc_copys(&comm_buf[c],"")) nomem();
- ch = delnum;
- while (!stralloc_append(&comm_buf[c],&ch)) nomem();
- fnmake_split(id);
- while (!stralloc_cats(&comm_buf[c],fn.s)) nomem();
- while (!stralloc_0(&comm_buf[c])) nomem();
- senderadd(&comm_buf[c],sender,recip);
- while (!stralloc_0(&comm_buf[c])) nomem();
- while (!stralloc_cats(&comm_buf[c],recip)) nomem();
- while (!stralloc_0(&comm_buf[c])) nomem();
- comm_pos[c] = 0;
- }
-
- void comm_selprep(nfds,wfds)
- int *nfds;
- fd_set *wfds;
- {
- int c;
- for (c = 0;c < CHANNELS;++c)
- if (flagspawnalive[c])
- if (comm_buf[c].s && comm_buf[c].len)
- {
- FD_SET(chanfdout[c],wfds);
- if (*nfds <= chanfdout[c])
- *nfds = chanfdout[c] + 1;
- }
- }
-
- void comm_do(wfds)
- fd_set *wfds;
- {
- int c;
- for (c = 0;c < CHANNELS;++c)
- if (flagspawnalive[c])
- if (comm_buf[c].s && comm_buf[c].len)
- if (FD_ISSET(chanfdout[c],wfds))
- {
- int w;
- int len;
- len = comm_buf[c].len;
- w = write(chanfdout[c],comm_buf[c].s + comm_pos[c],len - comm_pos[c]);
- if (w <= 0)
- {
- if ((w == -1) && (errno == error_pipe))
- spawndied(c);
- else
- continue; /* kernel select() bug; can't avoid busy-looping */
- }
- else
- {
- comm_pos[c] += w;
- if (comm_pos[c] == len)
- comm_buf[c].len = 0;
- }
- }
- }
-
-
- /* this file is too long ------------------------------------------ CLEANUPS */
-
- int flagcleanup; /* if 1, cleanupdir is initialized and ready */
- readsubdir cleanupdir;
- datetime_sec cleanuptime;
-
- void cleanup_init()
- {
- flagcleanup = 0;
- cleanuptime = now();
- }
-
- void cleanup_selprep(wakeup)
- datetime_sec *wakeup;
- {
- if (flagcleanup) *wakeup = 0;
- if (*wakeup > cleanuptime) *wakeup = cleanuptime;
- }
-
- void cleanup_do()
- {
- char ch;
- struct stat st;
- unsigned long id;
-
- if (!flagcleanup)
- {
- if (recent < cleanuptime) return;
- readsubdir_init(&cleanupdir,"mess",pausedir);
- flagcleanup = 1;
- }
-
- switch(readsubdir_next(&cleanupdir,&id))
- {
- case 1:
- break;
- case 0:
- flagcleanup = 0;
- cleanuptime = recent + SLEEP_CLEANUP;
- default:
- return;
- }
-
- fnmake_mess(id);
- if (stat(fn.s,&st) == -1) return; /* probably qmail-queue deleted it */
- if (recent <= st.st_atime + OSSIFIED) return;
-
- fnmake_info(id);
- if (stat(fn.s,&st) == 0) return;
- if (errno != error_noent) return;
- fnmake_todo(id);
- if (stat(fn.s,&st) == 0) return;
- if (errno != error_noent) return;
-
- fnmake_foop(id);
- if (substdio_putflush(&sstoqc,fn.s,fn.len) == -1) { cleandied(); return; }
- if (substdio_get(&ssfromqc,&ch,1) != 1) { cleandied(); return; }
- if (ch != '+')
- log3("warning: qmail-clean unable to clean up ",fn.s,"\n");
- }
-
-
- /* this file is too long ----------------------------------- PRIORITY QUEUES */
-
- prioq pqdone = {0}; /* -todo +info; HOPEFULLY -local -remote */
- prioq pqchan[CHANNELS] = { {0}, {0} };
- /* pqchan 0: -todo +info +local ?remote */
- /* pqchan 1: -todo +info ?local +remote */
- prioq pqfail = {0}; /* stat() failure; has to be pqadded again */
-
- void pqadd(id)
- unsigned long id;
- {
- struct prioq_elt pe;
- struct prioq_elt pechan[CHANNELS];
- int flagchan[CHANNELS];
- struct stat st;
- int c;
-
- #define CHECKSTAT if (errno != error_noent) goto fail;
-
- fnmake_info(id);
- if (stat(fn.s,&st) == -1)
- {
- CHECKSTAT
- return; /* someone yanking our chain */
- }
-
- fnmake_todo(id);
- if (stat(fn.s,&st) != -1) return; /* look, ma, dad crashed writing info! */
- CHECKSTAT
-
- for (c = 0;c < CHANNELS;++c)
- {
- fnmake_chanaddr(id,c);
- if (stat(fn.s,&st) == -1) { flagchan[c] = 0; CHECKSTAT }
- else { flagchan[c] = 1; pechan[c].id = id; pechan[c].dt = st.st_mtime; }
- }
-
- for (c = 0;c < CHANNELS;++c)
- if (flagchan[c])
- while (!prioq_insert(&pqchan[c],&pechan[c])) nomem();
-
- for (c = 0;c < CHANNELS;++c) if (flagchan[c]) break;
- if (c == CHANNELS)
- {
- pe.id = id; pe.dt = now();
- while (!prioq_insert(&pqdone,&pe)) nomem();
- }
-
- return;
-
- fail:
- log3("warning: unable to stat ",fn.s,"; will try again later\n");
- pe.id = id; pe.dt = now() + SLEEP_SYSFAIL;
- while (!prioq_insert(&pqfail,&pe)) nomem();
- }
-
- void pqstart()
- {
- readsubdir rs;
- int x;
- unsigned long id;
-
- readsubdir_init(&rs,"info",pausedir);
-
- while (x = readsubdir_next(&rs,&id))
- if (x > 0)
- pqadd(id);
- }
-
- void pqfinish()
- {
- int c;
- struct prioq_elt pe;
- time_t ut[2]; /* XXX: more portable than utimbuf, but still worrisome */
-
- for (c = 0;c < CHANNELS;++c)
- while (prioq_min(&pqchan[c],&pe))
- {
- prioq_delmin(&pqchan[c]);
- fnmake_chanaddr(pe.id,c);
- ut[0] = ut[1] = pe.dt;
- if (utime(fn.s,ut) == -1)
- log3("warning: unable to utime ",fn.s,"; message will be retried too soon\n");
- }
- }
-
- void pqrun()
- {
- int c;
- int i;
- for (c = 0;c < CHANNELS;++c)
- if (pqchan[c].p)
- if (pqchan[c].len)
- for (i = 0;i < pqchan[c].len;++i)
- pqchan[c].p[i].dt = recent;
- }
-
-
- /* this file is too long ---------------------------------------------- JOBS */
-
- struct job
- {
- int refs; /* if 0, this struct is unused */
- unsigned long id;
- int channel;
- datetime_sec retry;
- stralloc sender;
- int numtodo;
- int flaghiteof;
- int flagdying;
- }
- ;
-
- int numjobs;
- struct job *jo;
-
- void job_init()
- {
- int j;
- while (!(jo = (struct job *) alloc(numjobs * sizeof(struct job)))) nomem();
- for (j = 0;j < numjobs;++j)
- {
- jo[j].refs = 0;
- jo[j].sender.s = 0;
- }
- }
-
- int job_avail()
- {
- int j;
- for (j = 0;j < numjobs;++j) if (!jo[j].refs) return 1;
- return 0;
- }
-
- int job_open(id,channel)
- unsigned long id;
- int channel;
- {
- int j;
- for (j = 0;j < numjobs;++j) if (!jo[j].refs) break;
- if (j == numjobs) return -1;
- jo[j].refs = 1;
- jo[j].id = id;
- jo[j].channel = channel;
- jo[j].numtodo = 0;
- jo[j].flaghiteof = 0;
- return j;
- }
-
- void job_close(j)
- int j;
- {
- struct prioq_elt pe;
- struct stat st;
-
- if (0 < --jo[j].refs) return;
-
- pe.id = jo[j].id;
- pe.dt = jo[j].retry;
- if (jo[j].flaghiteof && !jo[j].numtodo)
- {
- fnmake_chanaddr(jo[j].id,jo[j].channel);
- if (unlink(fn.s) == -1)
- {
- log3("warning: unable to unlink ",fn.s,"; will try again later\n");
- pe.dt = now() + SLEEP_SYSFAIL;
- }
- else
- {
- int c;
- for (c = 0;c < CHANNELS;++c) if (c != jo[j].channel)
- {
- fnmake_chanaddr(jo[j].id,c);
- if (stat(fn.s,&st) == 0) return; /* more channels going */
- if (errno != error_noent)
- {
- log3("warning: unable to stat ",fn.s,"\n");
- break; /* this is the only reason for HOPEFULLY */
- }
- }
- pe.dt = now();
- while (!prioq_insert(&pqdone,&pe)) nomem();
- return;
- }
- }
-
- while (!prioq_insert(&pqchan[jo[j].channel],&pe)) nomem();
- }
-
-
- /* this file is too long ------------------------------------------- BOUNCES */
-
- char *stripvdomprepend(recip)
- char *recip;
- {
- int i;
- char *domain;
- int domainlen;
- char *prepend;
-
- i = str_rchr(recip,'@');
- if (!recip[i]) return recip;
- domain = recip + i + 1;
- domainlen = str_len(domain);
-
- for (i = 0;i <= domainlen;++i)
- if ((i == 0) || (i == domainlen) || (domain[i] == '.'))
- if (prepend = constmap(&mapvdoms,domain + i,domainlen - i))
- {
- if (!*prepend) break;
- i = str_len(prepend);
- if (str_diffn(recip,prepend,i)) break;
- if (recip[i] != '-') break;
- return recip + i + 1;
- }
- return recip;
- }
-
- stralloc bouncetext = {0};
-
- void addbounce(id,recip,report)
- unsigned long id;
- char *recip;
- char *report;
- {
- int fd;
- int pos;
- int w;
- while (!stralloc_copys(&bouncetext,"<")) nomem();
- while (!stralloc_cats(&bouncetext,stripvdomprepend(recip))) nomem();
- for (pos = 0;pos < bouncetext.len;++pos)
- if (bouncetext.s[pos] == '\n')
- bouncetext.s[pos] = '_';
- while (!stralloc_cats(&bouncetext,">:\n")) nomem();
- while (!stralloc_cats(&bouncetext,report)) nomem();
- if (report[0])
- if (report[str_len(report) - 1] != '\n')
- while (!stralloc_cats(&bouncetext,"\n")) nomem();
- for (pos = bouncetext.len - 2;pos > 0;--pos)
- if (bouncetext.s[pos] == '\n')
- if (bouncetext.s[pos - 1] == '\n')
- bouncetext.s[pos] = '/';
- while (!stralloc_cats(&bouncetext,"\n")) nomem();
- fnmake2_bounce(id);
- for (;;)
- {
- fd = open_append(fn2.s);
- if (fd != -1) break;
- log1("alert: unable to append to bounce message; HELP! sleeping...\n");
- sleep(10);
- }
- pos = 0;
- while (pos < bouncetext.len)
- {
- w = write(fd,bouncetext.s + pos,bouncetext.len - pos);
- if (w <= 0)
- {
- log1("alert: unable to append to bounce message; HELP! sleeping...\n");
- sleep(10);
- }
- else
- pos += w;
- }
- close(fd);
- }
-
- int injectbounce(id)
- unsigned long id;
- {
- struct qmail qqt;
- struct stat st;
- char *bouncesender;
- char *bouncerecip;
- int r;
- int fd;
- substdio ssread;
- char buf[128];
- char inbuf[128];
- static stralloc sender = {0};
- static stralloc quoted = {0};
- datetime_sec birth;
- unsigned long qp;
-
- if (!getinfo(&sender,&birth,id)) return 0; /* XXX: print warning */
-
- /* owner-@host-@[] -> owner-@host */
- if (sender.len >= 5)
- if (str_equal(sender.s + sender.len - 5,"-@[]"))
- {
- sender.len -= 4;
- sender.s[sender.len - 1] = 0;
- }
-
- fnmake2_bounce(id);
- fnmake_mess(id);
- if (stat(fn2.s,&st) == -1)
- {
- if (errno == error_noent)
- return 1;
- log3("warning: unable to stat ",fn2.s,"\n");
- return 0;
- }
- if (str_equal(sender.s,"#@[]"))
- log3("triple bounce: discarding ",fn2.s,"\n");
- else
- {
- if (qmail_open(&qqt) == -1)
- { log1("warning: unable to start qmail-queue, will try later\n"); return 0; }
- qp = qmail_qp(&qqt);
-
- if (*sender.s) { bouncesender = ""; bouncerecip = sender.s; }
- else { bouncesender = "#@[]"; bouncerecip = doublebounceto.s; }
-
- while (!newfield_datemake(now())) nomem();
- qmail_put(&qqt,newfield_date.s,newfield_date.len);
- qmail_puts(&qqt,"From: ");
- while (!quote("ed,&bouncefrom)) nomem();
- qmail_put(&qqt,quoted.s,quoted.len);
- qmail_puts(&qqt,"@");
- qmail_put(&qqt,bouncehost.s,bouncehost.len);
- qmail_puts(&qqt,"\nTo: ");
- while (!quote2("ed,bouncerecip)) nomem();
- qmail_put(&qqt,quoted.s,quoted.len);
- qmail_puts(&qqt,"\n\
- Subject: failure notice\n\
- \n\
- Hi. This is the qmail-send program at ");
- qmail_put(&qqt,bouncehost.s,bouncehost.len);
- qmail_puts(&qqt,*sender.s ? ".\n\
- I'm afraid I wasn't able to deliver your message to the following addresses.\n\
- This is a permanent error; I've given up. Sorry it didn't work out.\n\
- \n\
- " : ".\n\
- I tried to deliver a bounce message to this address, but the bounce bounced!\n\
- \n\
- ");
-
- fd = open_read(fn2.s);
- if (fd == -1)
- qmail_fail(&qqt);
- else
- {
- substdio_fdbuf(&ssread,read,fd,inbuf,sizeof(inbuf));
- while ((r = substdio_get(&ssread,buf,sizeof(buf))) > 0)
- qmail_put(&qqt,buf,r);
- close(fd);
- if (r == -1)
- qmail_fail(&qqt);
- }
-
- qmail_puts(&qqt,*sender.s ? "--- Below this line is a copy of the message.\n\n" : "--- Below this line is the original bounce.\n\n");
- qmail_puts(&qqt,"Return-Path: <");
- while (!quote2("ed,sender.s)) nomem();
- qmail_put(&qqt,quoted.s,quoted.len);
- qmail_puts(&qqt,">\n");
-
- fd = open_read(fn.s);
- if (fd == -1)
- qmail_fail(&qqt);
- else
- {
- substdio_fdbuf(&ssread,read,fd,inbuf,sizeof(inbuf));
- while ((r = substdio_get(&ssread,buf,sizeof(buf))) > 0)
- qmail_put(&qqt,buf,r);
- close(fd);
- if (r == -1)
- qmail_fail(&qqt);
- }
-
- qmail_from(&qqt,bouncesender);
- qmail_to(&qqt,bouncerecip);
- if (qmail_close(&qqt))
- { log1("warning: trouble injecting bounce message, will try later\n"); return 0; }
-
- strnum2[fmt_ulong(strnum2,id)] = 0;
- log2("bounce msg ",strnum2);
- strnum2[fmt_ulong(strnum2,qp)] = 0;
- log3(" qp ",strnum2,"\n");
- }
- if (unlink(fn2.s) == -1)
- {
- log3("warning: unable to unlink ",fn2.s,"\n");
- return 0;
- }
- return 1;
- }
-
-
- /* this file is too long ---------------------------------------- DELIVERIES */
-
- struct del
- {
- int used;
- int j;
- unsigned long delid;
- seek_pos mpos;
- stralloc recip;
- }
- ;
-
- unsigned long masterdelid = 1;
- unsigned int concurrency[CHANNELS] = { 10, 20 };
- struct del *d[CHANNELS];
- stralloc dline[CHANNELS];
- char delbuf[2048];
-
- void del_init()
- {
- int c;
- int i;
- for (c = 0;c < CHANNELS;++c)
- {
- flagspawnalive[c] = 1;
- while (!(d[c] = (struct del *) alloc(concurrency[c] * sizeof(struct del))))
- nomem();
- for (i = 0;i < concurrency[c];++i)
- { d[c][i].used = 0; d[c][i].recip.s = 0; }
- dline[c].s = 0;
- while (!stralloc_copys(&dline[c],"")) nomem();
- }
- }
-
- int del_canexit()
- {
- int i;
- int c;
- for (c = 0;c < CHANNELS;++c)
- if (flagspawnalive[c]) /* if dead, nothing we can do about its jobs */
- for (i = 0;i < concurrency[c];++i)
- if (d[c][i].used) return 0;
- return 1;
- }
-
- static int del_lastsaid = 0;
-
- void del_saywhynoexit()
- {
- int i;
- int c;
- int n;
- n = 0;
- for (c = 0;c < CHANNELS;++c)
- if (flagspawnalive[c])
- for (i = 0;i < concurrency[c];++i)
- if (d[c][i].used)
- ++n;
- if (!del_lastsaid || (n < del_lastsaid))
- {
- strnum2[fmt_ulong(strnum2,(unsigned long) n)] = 0;
- log3("number of deliveries left before exiting: ",strnum2,"\n");
- del_lastsaid = n;
- }
- }
-
- int del_avail(c)
- int c;
- {
- int i;
-
- if (!flagspawnalive[c]) return 0;
- if (!comm_canwrite(c)) return 0;
- for (i = 0;i < concurrency[c];++i) if (!d[c][i].used) return 1;
- return 0;
- }
-
- void del_start(j,mpos,recip)
- int j;
- seek_pos mpos;
- char *recip;
- {
- int i;
- int c;
-
- c = jo[j].channel;
- if (!flagspawnalive[c]) return;
- if (!comm_canwrite(c)) return;
-
- for (i = 0;i < concurrency[c];++i) if (!d[c][i].used) break;
- if (i == concurrency[c]) return;
-
- if (!stralloc_copys(&d[c][i].recip,recip)) { nomem(); return; }
- if (!stralloc_0(&d[c][i].recip)) { nomem(); return; }
- d[c][i].j = j; ++jo[j].refs;
- d[c][i].delid = masterdelid++;
- d[c][i].mpos = mpos;
- d[c][i].used = 1;
-
- comm_write(c,i,jo[j].id,jo[j].sender.s,recip);
-
- strnum2[fmt_ulong(strnum2,d[c][i].delid)] = 0;
- strnum3[fmt_ulong(strnum3,jo[j].id)] = 0;
- log2("starting delivery ",strnum2);
- log3(": msg ",strnum3,tochan[c]);
- logsafe(recip);
- log1("\n");
- }
-
- void markdone(c,id,pos)
- int c;
- unsigned long id;
- seek_pos pos;
- {
- struct stat st;
- int fd;
- fnmake_chanaddr(id,c);
- for (;;)
- {
- fd = open_write(fn.s);
- if (fd == -1) break;
- if (fstat(fd,&st) == -1) { close(fd); break; }
- if (seek_set(fd,pos) == -1) { close(fd); break; }
- if (write(fd,"D",1) != 1) { close(fd); break; }
- /* further errors -> double delivery without us knowing about it, oh well */
- close(fd);
- return;
- }
- log3("warning: trouble marking ",fn.s,"; message will be delivered twice!\n");
- }
-
- void del_dochan(c)
- int c;
- {
- int r;
- char ch;
- int i;
- int delnum;
- r = read(chanfdin[c],delbuf,sizeof(delbuf));
- if (r == -1) return;
- if (r == 0) { spawndied(c); return; }
- for (i = 0;i < r;++i)
- {
- ch = delbuf[i];
- while (!stralloc_append(&dline[c],&ch)) nomem();
- if (dline[c].len > REPORTMAX)
- dline[c].len = REPORTMAX;
- /* qmail-lspawn and qmail-rspawn are responsible for keeping it short */
- /* but from a security point of view, we don't trust rspawn */
- if (!ch && (dline[c].len > 1))
- {
- delnum = (unsigned int) (unsigned char) dline[c].s[0];
- if ((delnum < 0) || (delnum >= concurrency[c]) || !d[c][delnum].used)
- log1("warning: internal error: delivery report out of range\n");
- else
- {
- strnum3[fmt_ulong(strnum3,d[c][delnum].delid)] = 0;
- if (dline[c].s[1] == 'Z')
- if (jo[d[c][delnum].j].flagdying)
- {
- dline[c].s[1] = 'D';
- --dline[c].len;
- while (!stralloc_cats(&dline[c],"I'm not going to try again; this message has been in the queue too long.\n")) nomem();
- while (!stralloc_0(&dline[c])) nomem();
- }
- switch(dline[c].s[1])
- {
- case 'K':
- log3("delivery ",strnum3,": success: ");
- logsafe(dline[c].s + 2);
- log1("\n");
- markdone(c,jo[d[c][delnum].j].id,d[c][delnum].mpos);
- --jo[d[c][delnum].j].numtodo;
- break;
- case 'Z':
- log3("delivery ",strnum3,": deferral: ");
- logsafe(dline[c].s + 2);
- log1("\n");
- break;
- case 'D':
- log3("delivery ",strnum3,": failure: ");
- logsafe(dline[c].s + 2);
- log1("\n");
- addbounce(jo[d[c][delnum].j].id,d[c][delnum].recip.s,dline[c].s + 2);
- markdone(c,jo[d[c][delnum].j].id,d[c][delnum].mpos);
- --jo[d[c][delnum].j].numtodo;
- break;
- default:
- log3("delivery ",strnum3,": report mangled, will defer\n");
- }
- job_close(d[c][delnum].j);
- d[c][delnum].used = 0;
- }
- dline[c].len = 0;
- }
- }
- }
-
- void del_selprep(nfds,rfds)
- int *nfds;
- fd_set *rfds;
- {
- int c;
- for (c = 0;c < CHANNELS;++c)
- if (flagspawnalive[c])
- {
- FD_SET(chanfdin[c],rfds);
- if (*nfds <= chanfdin[c])
- *nfds = chanfdin[c] + 1;
- }
- }
-
- void del_do(rfds)
- fd_set *rfds;
- {
- int c;
- for (c = 0;c < CHANNELS;++c)
- if (flagspawnalive[c])
- if (FD_ISSET(chanfdin[c],rfds))
- del_dochan(c);
- }
-
-
- /* this file is too long -------------------------------------------- PASSES */
-
- struct
- {
- unsigned long id; /* if 0, need a new pass */
- int j; /* defined if id; job number */
- int fd; /* defined if id; reading from {local,remote} */
- seek_pos mpos; /* defined if id; mark position */
- substdio ss;
- char buf[128];
- }
- pass[CHANNELS];
-
- void pass_init()
- {
- int c;
- for (c = 0;c < CHANNELS;++c) pass[c].id = 0;
- }
-
- void pass_selprep(wakeup)
- datetime_sec *wakeup;
- {
- int c;
- struct prioq_elt pe;
- if (flagexitasap) return;
- for (c = 0;c < CHANNELS;++c)
- if (pass[c].id)
- if (del_avail(c))
- { *wakeup = 0; return; }
- if (job_avail())
- for (c = 0;c < CHANNELS;++c)
- if (!pass[c].id)
- if (prioq_min(&pqchan[c],&pe))
- if (*wakeup > pe.dt)
- *wakeup = pe.dt;
- if (prioq_min(&pqfail,&pe))
- if (*wakeup > pe.dt)
- *wakeup = pe.dt;
- if (prioq_min(&pqdone,&pe))
- if (*wakeup > pe.dt)
- *wakeup = pe.dt;
- }
-
- static datetime_sec squareroot(x) /* result^2 <= x < (result + 1)^2 */
- datetime_sec x; /* assuming: >= 0 */
- {
- datetime_sec y;
- datetime_sec yy;
- datetime_sec y21;
- int j;
-
- y = 0; yy = 0;
- for (j = 15;j >= 0;--j)
- {
- y21 = (y << (j + 1)) + (1 << (j + j));
- if (y21 <= x - yy) { y += (1 << j); yy += y21; }
- }
- return y;
- }
-
- datetime_sec nextretry(birth,c)
- datetime_sec birth;
- int c;
- {
- int n;
-
- if (birth > recent) n = 0;
- else n = squareroot(recent - birth); /* no need to add fuzz to recent */
- n += chanskip[c];
- return birth + n * n;
- }
-
- void pass_dochan(c)
- int c;
- {
- datetime_sec birth;
- struct prioq_elt pe;
- static stralloc line = {0};
- int match;
-
- if (flagexitasap) return;
-
- if (!pass[c].id)
- {
- if (!job_avail()) return;
- if (!prioq_min(&pqchan[c],&pe)) return;
- if (pe.dt > recent) return;
- fnmake_chanaddr(pe.id,c);
-
- prioq_delmin(&pqchan[c]);
- pass[c].mpos = 0;
- pass[c].fd = open_read(fn.s);
- if (pass[c].fd == -1) goto trouble;
- if (!getinfo(&line,&birth,pe.id)) { close(pass[c].fd); goto trouble; }
- pass[c].id = pe.id;
- substdio_fdbuf(&pass[c].ss,read,pass[c].fd,pass[c].buf,sizeof(pass[c].buf));
- pass[c].j = job_open(pe.id,c);
- jo[pass[c].j].retry = nextretry(birth,c);
- jo[pass[c].j].flagdying = (recent > birth + lifetime);
- while (!stralloc_copy(&jo[pass[c].j].sender,&line)) nomem();
- }
-
- if (!del_avail(c)) return;
-
- if (getln(&pass[c].ss,&line,&match,'\0') == -1)
- {
- fnmake_chanaddr(pass[c].id,c);
- log3("warning: trouble reading ",fn.s,"; will try again later\n");
- close(pass[c].fd);
- job_close(pass[c].j);
- pass[c].id = 0;
- return;
- }
- if (!match)
- {
- close(pass[c].fd);
- jo[pass[c].j].flaghiteof = 1;
- job_close(pass[c].j);
- pass[c].id = 0;
- return;
- }
- switch(line.s[0])
- {
- case 'T':
- ++jo[pass[c].j].numtodo;
- del_start(pass[c].j,pass[c].mpos,line.s + 1);
- break;
- case 'D':
- break;
- default:
- fnmake_chanaddr(pass[c].id,c);
- log3("warning: unknown record type in ",fn.s,"!\n");
- close(pass[c].fd);
- job_close(pass[c].j);
- pass[c].id = 0;
- return;
- }
-
- pass[c].mpos += line.len;
- return;
-
- trouble:
- log3("warning: trouble opening ",fn.s,"; will try again later\n");
- pe.dt = recent + SLEEP_SYSFAIL;
- while (!prioq_insert(&pqchan[c],&pe)) nomem();
- }
-
- void messdone(id)
- unsigned long id;
- {
- char ch;
- int c;
- struct prioq_elt pe;
- struct stat st;
-
- for (c = 0;c < CHANNELS;++c)
- {
- fnmake_chanaddr(id,c);
- if (stat(fn.s,&st) == 0) return; /* false alarm; consequence of HOPEFULLY */
- if (errno != error_noent)
- {
- log3("warning: unable to stat ",fn.s,"; will try again later\n");
- goto fail;
- }
- }
-
- fnmake_todo(id);
- if (stat(fn.s,&st) == 0) return;
- if (errno != error_noent)
- {
- log3("warning: unable to stat ",fn.s,"; will try again later\n");
- goto fail;
- }
-
- fnmake_info(id);
- if (stat(fn.s,&st) == -1)
- {
- if (errno == error_noent) return;
- log3("warning: unable to stat ",fn.s,"; will try again later\n");
- goto fail;
- }
-
- /* -todo +info -local -remote ?bounce */
- if (!injectbounce(id))
- goto fail; /* injectbounce() produced error message */
-
- strnum3[fmt_ulong(strnum3,id)] = 0;
- log3("end msg ",strnum3,"\n");
-
- /* -todo +info -local -remote -bounce */
- fnmake_info(id);
- if (unlink(fn.s) == -1)
- {
- log3("warning: unable to unlink ",fn.s,"; will try again later\n");
- goto fail;
- }
-
- /* -todo -info -local -remote -bounce; we can relax */
- fnmake_foop(id);
- if (substdio_putflush(&sstoqc,fn.s,fn.len) == -1) { cleandied(); return; }
- if (substdio_get(&ssfromqc,&ch,1) != 1) { cleandied(); return; }
- if (ch != '+')
- log3("warning: qmail-clean unable to clean up ",fn.s,"\n");
-
- return;
-
- fail:
- pe.id = id; pe.dt = now() + SLEEP_SYSFAIL;
- while (!prioq_insert(&pqdone,&pe)) nomem();
- }
-
- void pass_do()
- {
- int c;
- struct prioq_elt pe;
-
- for (c = 0;c < CHANNELS;++c) pass_dochan(c);
- if (prioq_min(&pqfail,&pe))
- if (pe.dt <= recent)
- {
- prioq_delmin(&pqfail);
- pqadd(pe.id);
- }
- if (prioq_min(&pqdone,&pe))
- if (pe.dt <= recent)
- {
- prioq_delmin(&pqdone);
- messdone(pe.id);
- }
- }
-
-
- /* this file is too long ---------------------------------------------- TODO */
-
- datetime_sec nexttodorun;
- DIR *tododir; /* if 0, have to opendir again */
- stralloc todoline = {0};
- char todobuf[SUBSTDIO_INSIZE];
- char todobufinfo[512];
- char todobufchan[CHANNELS][1024];
-
- void todo_init()
- {
- tododir = 0;
- nexttodorun = now();
- trigger_set();
- }
-
- void todo_selprep(nfds,rfds,wakeup)
- int *nfds;
- fd_set *rfds;
- datetime_sec *wakeup;
- {
- if (flagexitasap) return;
- trigger_selprep(nfds,rfds);
- if (tododir) *wakeup = 0;
- if (*wakeup > nexttodorun) *wakeup = nexttodorun;
- }
-
- #ifndef __amigaos
- void todo_do(rfds)
- fd_set *rfds;
- #else
- void todo_do (unsigned long signals)
- #endif
- {
- struct stat st;
- substdio ss; int fd;
- substdio ssinfo; int fdinfo;
- substdio sschan[CHANNELS];
- int fdchan[CHANNELS];
- int flagchan[CHANNELS];
- struct prioq_elt pe;
- char ch;
- int match;
- unsigned long id;
- unsigned int len;
- direntry *d;
- int c;
- unsigned long uid;
- unsigned long pid;
-
- fd = -1;
- fdinfo = -1;
- for (c = 0;c < CHANNELS;++c) fdchan[c] = -1;
-
- if (flagexitasap) return;
-
- if (!tododir)
- {
- #ifndef __amigaos__
- if (!trigger_pulled(rfds))
- #else
- if (!trigger_pulled (signals))
- #endif
- if (recent < nexttodorun)
- return;
- trigger_set();
- tododir = opendir("todo");
- if (!tododir)
- {
- pausedir("todo");
- return;
- }
- nexttodorun = recent + SLEEP_TODO;
- }
-
- d = readdir(tododir);
- if (!d)
- {
- closedir(tododir);
- tododir = 0;
- return;
- }
- if (str_equal(d->d_name,".")) return;
- if (str_equal(d->d_name,"..")) return;
- len = scan_ulong(d->d_name,&id);
- if (!len || d->d_name[len]) return;
-
- fnmake_todo(id);
-
- fd = open_read(fn.s);
- if (fd == -1) { log3("warning: unable to open ",fn.s,"\n"); return; }
-
- fnmake_mess(id);
- /* just for the statistics */
- if (stat(fn.s,&st) == -1)
- { log3("warning: unable to stat ",fn.s,"\n"); goto fail; }
-
- for (c = 0;c < CHANNELS;++c)
- {
- fnmake_chanaddr(id,c);
- if (unlink(fn.s) == -1) if (errno != error_noent)
- { log3("warning: unable to unlink ",fn.s,"\n"); goto fail; }
- }
-
- fnmake_info(id);
- if (unlink(fn.s) == -1) if (errno != error_noent)
- { log3("warning: unable to unlink ",fn.s,"\n"); goto fail; }
-
- fdinfo = open_excl(fn.s);
- if (fdinfo == -1)
- { log3("warning: unable to create ",fn.s,"\n"); goto fail; }
-
- strnum3[fmt_ulong(strnum3,id)] = 0;
- log3("new msg ",strnum3,"\n");
-
- for (c = 0;c < CHANNELS;++c) flagchan[c] = 0;
-
- substdio_fdbuf(&ss,read,fd,todobuf,sizeof(todobuf));
- substdio_fdbuf(&ssinfo,write,fdinfo,todobufinfo,sizeof(todobufinfo));
-
- uid = 0;
- pid = 0;
-
- for (;;)
- {
- if (getln(&ss,&todoline,&match,'\0') == -1)
- {
- /* perhaps we're out of memory, perhaps an I/O error */
- fnmake_todo(id);
- log3("warning: trouble reading ",fn.s,"\n"); goto fail;
- }
- if (!match) break;
-
- switch(todoline.s[0])
- {
- case 'u':
- scan_ulong(todoline.s + 1,&uid);
- break;
- case 'p':
- scan_ulong(todoline.s + 1,&pid);
- break;
- case 'F':
- if (substdio_putflush(&ssinfo,todoline.s,todoline.len) == -1)
- {
- fnmake_info(id);
- log3("warning: trouble writing to ",fn.s,"\n"); goto fail;
- }
- log2("info msg ",strnum3);
- strnum2[fmt_ulong(strnum2,(unsigned long) st.st_size)] = 0;
- log2(": bytes ",strnum2);
- log1(" from <"); logsafe(todoline.s + 1);
- strnum2[fmt_ulong(strnum2,pid)] = 0;
- log2("> qp ",strnum2);
- strnum2[fmt_ulong(strnum2,uid)] = 0;
- log2(" uid ",strnum2);
- log1("\n");
- break;
- case 'T':
- switch(rewrite(todoline.s + 1))
- {
- case 0: nomem(); goto fail;
- case 2: c = 1; break;
- default: c = 0; break;
- }
- if (fdchan[c] == -1)
- {
- fnmake_chanaddr(id,c);
- fdchan[c] = open_excl(fn.s);
- if (fdchan[c] == -1)
- { log3("warning: unable to create ",fn.s,"\n"); goto fail; }
- substdio_fdbuf(&sschan[c]
- ,write,fdchan[c],todobufchan[c],sizeof(todobufchan[c]));
- flagchan[c] = 1;
- }
- if (substdio_bput(&sschan[c],rwline.s,rwline.len) == -1)
- {
- fnmake_chanaddr(id,c);
- log3("warning: trouble writing to ",fn.s,"\n"); goto fail;
- }
- break;
- default:
- fnmake_todo(id);
- log3("warning: unknown record type in ",fn.s,"\n"); goto fail;
- }
- }
-
- close(fd); fd = -1;
-
- fnmake_info(id);
- if (substdio_flush(&ssinfo) == -1)
- { log3("warning: trouble writing to ",fn.s,"\n"); goto fail; }
- if (fsync(fdinfo) == -1)
- { log3("warning: trouble fsyncing ",fn.s,"\n"); goto fail; }
- close(fdinfo); fdinfo = -1;
-
- for (c = 0;c < CHANNELS;++c)
- if (fdchan[c] != -1)
- {
- fnmake_chanaddr(id,c);
- if (substdio_flush(&sschan[c]) == -1)
- { log3("warning: trouble writing to ",fn.s,"\n"); goto fail; }
- if (fsync(fdchan[c]) == -1)
- { log3("warning: trouble fsyncing ",fn.s,"\n"); goto fail; }
- close(fdchan[c]); fdchan[c] = -1;
- }
-
- fnmake_todo(id);
- if (substdio_putflush(&sstoqc,fn.s,fn.len) == -1) { cleandied(); return; }
- if (substdio_get(&ssfromqc,&ch,1) != 1) { cleandied(); return; }
- if (ch != '+')
- {
- log3("warning: qmail-clean unable to clean up ",fn.s,"\n");
- return;
- }
-
- pe.id = id; pe.dt = now();
- for (c = 0;c < CHANNELS;++c)
- if (flagchan[c])
- while (!prioq_insert(&pqchan[c],&pe)) nomem();
-
- for (c = 0;c < CHANNELS;++c) if (flagchan[c]) break;
- if (c == CHANNELS)
- while (!prioq_insert(&pqdone,&pe)) nomem();
-
- return;
-
- fail:
- if (fd != -1) close(fd);
- if (fdinfo != -1) close(fdinfo);
- for (c = 0;c < CHANNELS;++c)
- if (fdchan[c] != -1) close(fdchan[c]);
- }
-
-
- /* this file is too long ---------------------------------------------- MAIN */
-
- int getcontrols() { if (control_init() == -1) return 0;
- if (control_readint(&lifetime,"control/queuelifetime") == -1) return 0;
- if (control_readint(&concurrency[0],"control/concurrencylocal") == -1) return 0;
- if (control_readint(&concurrency[1],"control/concurrencyremote") == -1) return 0;
- if (control_rldef(&envnoathost,"control/envnoathost",1,"envnoathost") != 1) return 0;
- if (control_rldef(&bouncefrom,"control/bouncefrom",0,"MAILER-DAEMON") != 1) return 0;
- if (control_rldef(&bouncehost,"control/bouncehost",1,"bouncehost") != 1) return 0;
- if (control_rldef(&doublebouncehost,"control/doublebouncehost",1,"doublebouncehost") != 1) return 0;
- if (control_rldef(&doublebounceto,"control/doublebounceto",0,"postmaster") != 1) return 0;
- if (!stralloc_cats(&doublebounceto,"@")) return 0;
- if (!stralloc_cat(&doublebounceto,&doublebouncehost)) return 0;
- if (!stralloc_0(&doublebounceto)) return 0;
- if (control_readfile(&locals,"control/locals",1) != 1) return 0;
- if (!constmap_init(&maplocals,locals.s,locals.len,0)) return 0;
- switch(control_readfile(&percenthack,"control/percenthack",0))
- {
- case -1: return 0;
- case 0: if (!constmap_init(&mappercenthack,"",0,0)) return 0; break;
- case 1: if (!constmap_init(&mappercenthack,percenthack.s,percenthack.len,0)) return 0; break;
- }
- switch(control_readfile(&redir,"control/recipientmap",0))
- {
- case -1: return 0;
- case 0: if (!constmap_init(&mapredir,"",0,1)) return 0; break;
- case 1: if (!constmap_init(&mapredir,redir.s,redir.len,1)) return 0; break;
- }
- switch(control_readfile(&vdoms,"control/virtualdomains",0))
- {
- case -1: return 0;
- case 0: if (!constmap_init(&mapvdoms,"",0,1)) return 0; break;
- case 1: if (!constmap_init(&mapvdoms,vdoms.s,vdoms.len,1)) return 0; break;
- }
- return 1; }
-
- stralloc newlocals = {0};
- stralloc newvdoms = {0};
-
- void regetcontrols()
- {
- int r;
-
- if (control_readfile(&newlocals,"control/locals",1) != 1)
- { log1("alert: unable to reread control/locals\n"); return; }
- r = control_readfile(&newvdoms,"control/virtualdomains",0);
- if (r == -1)
- { log1("alert: unable to reread control/virtualdomains\n"); return; }
-
- constmap_free(&maplocals);
- constmap_free(&mapvdoms);
-
- while (!stralloc_copy(&locals,&newlocals)) nomem();
- while (!constmap_init(&maplocals,locals.s,locals.len,0)) nomem();
-
- if (r)
- {
- while (!stralloc_copy(&vdoms,&newvdoms)) nomem();
- while (!constmap_init(&mapvdoms,vdoms.s,vdoms.len,1)) nomem();
- }
- else
- while (!constmap_init(&mapvdoms,"",0,1)) nomem();
- }
-
- void reread()
- {
- if (chdir(auto_qmail) == -1)
- {
- log1("alert: unable to reread controls: unable to switch to home directory\n");
- return;
- }
- regetcontrols();
- while (chdir("queue") == -1)
- {
- log1("alert: unable to switch back to queue directory; HELP! sleeping...\n");
- sleep(10);
- }
- }
-
- void main()
- {
- int fd;
- datetime_sec wakeup;
- fd_set rfds;
- fd_set wfds;
- int nfds;
- struct timeval tv;
- int c;
- #ifdef __amigaos__
- long signalmask;
- int selret;
- #endif
-
- if (chdir(auto_qmail) == -1)
- { log1("alert: cannot start: unable to switch to home directory\n"); _exit(111); }
- if (!getcontrols())
- { log1("alert: cannot start: unable to read controls\n"); _exit(111); }
- if (chdir("queue") == -1)
- { log1("alert: cannot start: unable to switch to queue directory\n"); _exit(111); }
- #ifdef __amigaos__
- /* Clear the signals we use before use. */
- SetSignal (0UL, SIGBREAKF_CTRL_D | SIGBREAKF_CTRL_E | SIGBREAKF_CTRL_F);
- /* Cause Ctrl-C (from e.g. the Break command) do terminate qmail.
- * Ctrl-C is mapped to SIGINT by default, so map SIGINT to SIGTERM). */
- signal (SIGINT, sigterm);
- #endif
- sig_pipeignore();
- sig_termcatch(sigterm);
- sig_alarmcatch(sigalrm);
- sig_hangupcatch(sighup);
- sig_childdefault();
- umask(077);
-
- fd = open_write("lock/sendmutex");
- if (fd == -1)
- { log1("alert: cannot start: unable to open mutex\n"); _exit(111); }
- if (lock_exnb(fd) == -1)
- { log1("alert: cannot start: qmail-send is already running\n"); _exit(111); }
-
- numjobs = 0;
- for (c = 0;c < CHANNELS;++c)
- {
- char ch;
- int u;
- int r;
- do
- r = read(chanfdin[c],&ch,1);
- while ((r == -1) && (errno == error_intr));
- if (r < 1)
- { log1("alert: cannot start: hath the daemon spawn no fire?\n"); _exit(111); }
- u = (unsigned int) (unsigned char) ch;
- if (concurrency[c] > u) concurrency[c] = u;
- numjobs += concurrency[c];
- }
-
- log1("running\n");
-
- fnmake_init();
-
- for (c = 0;c < CHANNELS;++c)
- if (!concurrency[c])
- log1(channodelmsg[c]);
-
- comm_init();
-
- pqstart();
- job_init();
- del_init();
- pass_init();
- todo_init();
- cleanup_init();
-
- while (!flagexitasap || !del_canexit())
- {
- if (flagexitasap) del_saywhynoexit();
-
- recent = now();
-
- if (flagrunasap) { flagrunasap = 0; pqrun(); }
- if (flagreadasap) { flagreadasap = 0; reread(); }
-
- wakeup = recent + SLEEP_FOREVER;
- FD_ZERO(&rfds);
- FD_ZERO(&wfds);
- nfds = 1;
-
- comm_selprep(&nfds,&wfds);
- del_selprep(&nfds,&rfds);
- pass_selprep(&wakeup);
- todo_selprep(&nfds,&rfds,&wakeup);
- cleanup_selprep(&wakeup);
-
- if (wakeup <= recent) tv.tv_sec = 0;
- else tv.tv_sec = wakeup - recent + SLEEP_FUZZ;
- tv.tv_usec = 0;
-
- #ifdef __amigaos__
- signalmask = SIGBREAKF_CTRL_C | SIGBREAKF_CTRL_D |
- SIGBREAKF_CTRL_E | SIGBREAKF_CTRL_F;
- selret = ix_select (nfds, &rfds, &wfds, (fd_set *) 0UL, &tv, &signalmask);
- if (selret == -1 && !(signalmask & SIGBREAKF_CTRL_D))
- #else
- if (select(nfds,&rfds,&wfds,(fd_set *) 0,&tv) == -1)
- #endif
- if (errno == error_intr)
- #ifndef __amigaos__
- ;
- #else
- {
- /* Map some Amiga signals to Un*x ones
- (Ctrl-C is mapped to SIGINT elsewhere). */
- if (signalmask & SIGBREAKF_CTRL_E) sigalrm ();
- if (signalmask & SIGBREAKF_CTRL_F) sighup ();
- #endif /* __amigaos__ */
- }
- else
- log1("warning: trouble in select\n");
- else
- {
- recent = now();
-
- #ifdef __amigaos__
- if (selret == -1 && (signalmask & SIGBREAKF_CTRL_D))
- {
- /* This prevents qmail-send from hanging (but don't ask me why). */
- FD_ZERO (&rfds);
- FD_ZERO (&wfds);
- }
- #endif
- comm_do(&wfds);
- del_do(&rfds);
- #ifdef __amigaos__
- todo_do(signalmask);
- #else
- todo_do(&rfds);
- #endif
- pass_do();
- cleanup_do();
- }
- }
- pqfinish();
- log1("exiting\n");
- _exit(0);
- }
-