mirror of
https://hacklab.nilfm.cc/acme
synced 2024-10-22 14:31:48 +00:00
622 lines
15 KiB
C
622 lines
15 KiB
C
#include <u.h>
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#include <libc.h>
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#include <bio.h>
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#include <thread.h>
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#include <9pclient.h>
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#include <plumb.h>
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#include <ctype.h>
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#include "dat.h"
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char* maildir = "Mail/"; /* mountpoint of mail file system */
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char* mboxname = "mbox"; /* mailboxdir/mboxname is mail spool file */
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char* mailboxdir = nil; /* nil == /mail/box/$user */
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char* fsname; /* filesystem for mailboxdir/mboxname is at maildir/fsname */
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char* user;
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char* outgoing;
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char* srvname;
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Window* wbox;
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Message mbox;
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Message replies;
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char* home;
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CFid* plumbsendfd;
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CFid* plumbseemailfd;
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CFid* plumbshowmailfd;
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CFid* plumbsendmailfd;
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Channel* cplumb;
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Channel* cplumbshow;
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Channel* cplumbsend;
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int wctlfd;
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void mainctl(void*);
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void plumbproc(void*);
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void plumbshowproc(void*);
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void plumbsendproc(void*);
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void plumbthread(void);
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void plumbshowthread(void*);
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void plumbsendthread(void*);
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int shortmenu;
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CFsys* mailfs;
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CFsys* acmefs;
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void usage(void) {
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fprint(
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2,
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"usage: Mail [-sS] [-n srvname] [-o outgoing] [mailboxname "
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"[directoryname]]\n");
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threadexitsall("usage");
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}
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void removeupasfs(void) {
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char buf[256];
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if (strcmp(mboxname, "mbox") == 0)
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return;
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snprint(buf, sizeof buf, "close %s", mboxname);
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fswrite(mbox.ctlfd, buf, strlen(buf));
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}
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int ismaildir(char* s) {
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Dir* d;
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int ret;
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d = fsdirstat(mailfs, s);
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if (d == nil)
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return 0;
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ret = d->qid.type & QTDIR;
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free(d);
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return ret;
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}
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void threadmain(int argc, char* argv[]) {
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char *s, *name;
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char err[ERRMAX], *cmd;
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int i, newdir;
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Fmt fmt;
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doquote = needsrcquote;
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quotefmtinstall();
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/* open these early so we won't miss notification of new mail messages while
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* we read mbox */
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if ((plumbsendfd = plumbopenfid("send", OWRITE | OCEXEC)) == nil)
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fprint(2, "warning: open plumb/send: %r\n");
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if ((plumbseemailfd = plumbopenfid("seemail", OREAD | OCEXEC)) == nil)
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fprint(2, "warning: open plumb/seemail: %r\n");
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if ((plumbshowmailfd = plumbopenfid("showmail", OREAD | OCEXEC)) == nil)
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fprint(2, "warning: open plumb/showmail: %r\n");
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shortmenu = 0;
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srvname = "mail";
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ARGBEGIN {
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case 's':
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shortmenu = 1;
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break;
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case 'S':
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shortmenu = 2;
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break;
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case 'o':
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outgoing = EARGF(usage());
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break;
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case 'm':
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smprint(maildir, "%s/", EARGF(usage()));
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break;
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case 'n':
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srvname = EARGF(usage());
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break;
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default:
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usage();
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}
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ARGEND
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acmefs = nsmount("acme", nil);
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if (acmefs == nil)
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error("cannot mount acme: %r");
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mailfs = nsmount(srvname, nil);
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if (mailfs == nil)
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error("cannot mount %s: %r", srvname);
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name = "mbox";
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newdir = 1;
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if (argc > 0) {
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i = strlen(argv[0]);
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if (argc > 2 || i == 0)
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usage();
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/* see if the name is that of an existing /mail/fs directory */
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if (argc == 1 && argv[0][0] != '/' && ismaildir(argv[0])) {
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name = argv[0];
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mboxname = estrdup(name);
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newdir = 0;
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} else {
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if (argv[0][i - 1] == '/')
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argv[0][i - 1] = '\0';
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s = strrchr(argv[0], '/');
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if (s == nil)
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mboxname = estrdup(argv[0]);
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else {
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*s++ = '\0';
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if (*s == '\0')
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usage();
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mailboxdir = argv[0];
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mboxname = estrdup(s);
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}
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if (argc > 1)
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name = argv[1];
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else
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name = mboxname;
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}
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}
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user = getenv("user");
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if (user == nil)
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user = "none";
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home = getenv("home");
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if (home == nil)
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home = getenv("HOME");
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if (home == nil)
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error("can't find $home");
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if (mailboxdir == nil)
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mailboxdir = estrstrdup(home, "/mail");
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if (outgoing == nil)
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outgoing = estrstrdup(mailboxdir, "/outgoing");
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mbox.ctlfd = fsopen(mailfs, estrstrdup(mboxname, "/ctl"), OWRITE);
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if (mbox.ctlfd == nil)
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error("can't open %s: %r", estrstrdup(mboxname, "/ctl"));
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fsname = estrdup(name);
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if (newdir && argc > 0) {
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s = emalloc(
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5 + strlen(mailboxdir) + strlen(mboxname) + strlen(name) + 10 + 1);
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for (i = 0; i < 10; i++) {
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sprint(s, "open %s/%s %s", mailboxdir, mboxname, fsname);
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if (fswrite(mbox.ctlfd, s, strlen(s)) >= 0)
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break;
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err[0] = '\0';
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errstr(err, sizeof err);
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if (strstr(err, "mbox name in use") == nil)
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error("can't create directory %s for mail: %s", name, err);
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free(fsname);
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fsname = emalloc(strlen(name) + 10);
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sprint(fsname, "%s-%d", name, i);
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}
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if (i == 10)
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error("can't open %s/%s: %r", mailboxdir, mboxname);
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free(s);
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}
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s = estrstrdup(fsname, "/");
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mbox.name = estrstrdup(maildir, s);
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mbox.level = 0;
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readmbox(&mbox, maildir, s);
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home = getenv("home");
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if (home == nil)
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home = "/";
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wbox = newwindow();
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winname(wbox, mbox.name);
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wintagwrite(wbox, "Put Mail Delmesg ", 3 + 1 + 4 + 1 + 7 + 1);
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threadcreate(mainctl, wbox, STACK);
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fmtstrinit(&fmt);
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fmtprint(&fmt, "Mail");
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if (shortmenu)
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fmtprint(&fmt, " -%c", "sS"[shortmenu - 1]);
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if (outgoing)
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fmtprint(&fmt, " -o %s", outgoing);
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fmtprint(&fmt, " %s", name);
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cmd = fmtstrflush(&fmt);
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if (cmd == nil)
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sysfatal("out of memory");
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winsetdump(wbox, "/acme/mail", cmd);
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mbox.w = wbox;
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mesgmenu(wbox, &mbox);
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winclean(wbox);
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/* wctlfd = open("/dev/wctl", OWRITE|OCEXEC); /* for acme window */
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wctlfd = -1;
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cplumb = chancreate(sizeof(Plumbmsg*), 0);
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cplumbshow = chancreate(sizeof(Plumbmsg*), 0);
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if (strcmp(name, "mbox") == 0) {
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/*
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* Avoid creating multiple windows to send mail by only accepting
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* sendmail plumb messages if we're reading the main mailbox.
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*/
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plumbsendmailfd = plumbopenfid("sendmail", OREAD | OCEXEC);
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cplumbsend = chancreate(sizeof(Plumbmsg*), 0);
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proccreate(plumbsendproc, nil, STACK);
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threadcreate(plumbsendthread, nil, STACK);
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}
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/* start plumb reader as separate proc ... */
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proccreate(plumbproc, nil, STACK);
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proccreate(plumbshowproc, nil, STACK);
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threadcreate(plumbshowthread, nil, STACK);
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fswrite(mbox.ctlfd, "refresh", 7);
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/* ... and use this thread to read the messages */
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plumbthread();
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}
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void plumbproc(void* v) {
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Plumbmsg* m;
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threadsetname("plumbproc");
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for (;;) {
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m = plumbrecvfid(plumbseemailfd);
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sendp(cplumb, m);
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if (m == nil)
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threadexits(nil);
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}
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}
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void plumbshowproc(void* v) {
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Plumbmsg* m;
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threadsetname("plumbshowproc");
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for (;;) {
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m = plumbrecvfid(plumbshowmailfd);
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sendp(cplumbshow, m);
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if (m == nil)
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threadexits(nil);
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}
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}
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void plumbsendproc(void* v) {
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Plumbmsg* m;
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threadsetname("plumbsendproc");
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for (;;) {
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m = plumbrecvfid(plumbsendmailfd);
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sendp(cplumbsend, m);
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if (m == nil)
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threadexits(nil);
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}
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}
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void newmesg(char* name, char* digest) {
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Dir* d;
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if (strncmp(name, mbox.name, strlen(mbox.name)) != 0)
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return; /* message is about another mailbox */
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if (mesglookupfile(&mbox, name, digest) != nil)
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return;
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if (strncmp(name, "Mail/", 5) == 0)
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name += 5;
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d = fsdirstat(mailfs, name);
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if (d == nil)
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return;
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if (mesgadd(&mbox, mbox.name, d, digest))
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mesgmenunew(wbox, &mbox);
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free(d);
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}
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void showmesg(char* name, char* digest) {
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char* n;
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char* mb;
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mb = mbox.name;
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if (strncmp(name, mb, strlen(mb)) != 0)
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return; /* message is about another mailbox */
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n = estrdup(name + strlen(mb));
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if (n[strlen(n) - 1] != '/')
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n = egrow(n, "/", nil);
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mesgopen(&mbox, mbox.name, name + strlen(mb), nil, 1, digest);
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free(n);
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}
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void delmesg(char* name, char* digest, int dodel, char* save) {
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Message* m;
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m = mesglookupfile(&mbox, name, digest);
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if (m != nil) {
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if (save)
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mesgcommand(m, estrstrdup("Save ", save));
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if (dodel)
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mesgmenumarkdel(wbox, &mbox, m, 1);
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else {
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/* notification came from plumber - message is gone */
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mesgmenudel(wbox, &mbox, m);
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if (!m->opened)
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mesgdel(&mbox, m);
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}
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}
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}
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void plumbthread(void) {
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Plumbmsg* m;
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Plumbattr* a;
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char *type, *digest;
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threadsetname("plumbthread");
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while ((m = recvp(cplumb)) != nil) {
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a = m->attr;
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digest = plumblookup(a, "digest");
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type = plumblookup(a, "mailtype");
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if (type == nil)
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fprint(2, "Mail: plumb message with no mailtype attribute\n");
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else if (strcmp(type, "new") == 0)
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newmesg(m->data, digest);
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else if (strcmp(type, "delete") == 0)
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delmesg(m->data, digest, 0, nil);
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else
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fprint(2, "Mail: unknown plumb attribute %s\n", type);
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plumbfree(m);
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}
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threadexits(nil);
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}
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void plumbshowthread(void* v) {
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Plumbmsg* m;
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USED(v);
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threadsetname("plumbshowthread");
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while ((m = recvp(cplumbshow)) != nil) {
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showmesg(m->data, plumblookup(m->attr, "digest"));
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plumbfree(m);
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}
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threadexits(nil);
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}
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void plumbsendthread(void* v) {
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Plumbmsg* m;
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USED(v);
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threadsetname("plumbsendthread");
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while ((m = recvp(cplumbsend)) != nil) {
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mkreply(nil, "Mail", m->data, m->attr, nil);
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plumbfree(m);
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}
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threadexits(nil);
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}
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int mboxcommand(Window* w, char* s) {
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char *args[10], **targs, *save;
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Window* sbox;
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Message *m, *next;
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int ok, nargs, i, j;
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CFid* searchfd;
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char buf[128], *res;
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nargs = tokenize(s, args, nelem(args));
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if (nargs == 0)
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return 0;
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if (strcmp(args[0], "Mail") == 0) {
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if (nargs == 1)
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mkreply(nil, "Mail", "", nil, nil);
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else
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mkreply(nil, "Mail", args[1], nil, nil);
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return 1;
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}
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if (strcmp(s, "Del") == 0) {
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if (mbox.dirty) {
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mbox.dirty = 0;
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fprint(2, "mail: mailbox not written\n");
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return 1;
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}
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if (w != mbox.w) {
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windel(w, 1);
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return 1;
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}
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ok = 1;
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for (m = mbox.head; m != nil; m = next) {
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next = m->next;
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if (m->w) {
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if (windel(m->w, 0))
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m->w = nil;
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else
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ok = 0;
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}
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}
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for (m = replies.head; m != nil; m = next) {
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next = m->next;
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if (m->w) {
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if (windel(m->w, 0))
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m->w = nil;
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else
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ok = 0;
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}
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}
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if (ok) {
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windel(w, 1);
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removeupasfs();
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threadexitsall(nil);
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}
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return 1;
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}
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if (strcmp(s, "Put") == 0) {
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rewritembox(wbox, &mbox);
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return 1;
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}
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if (strcmp(s, "Get") == 0) {
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fswrite(mbox.ctlfd, "refresh", 7);
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return 1;
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}
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if (strcmp(s, "Delmesg") == 0) {
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save = nil;
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if (nargs > 1)
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save = args[1];
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s = winselection(w);
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if (s == nil)
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return 1;
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nargs = 1;
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for (i = 0; s[i]; i++)
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if (s[i] == '\n')
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nargs++;
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targs =
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emalloc(nargs * sizeof(char*)); /* could be too many for a local array */
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nargs = getfields(s, targs, nargs, 1, "\n");
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for (i = 0; i < nargs; i++) {
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if (!isdigit(targs[i][0]))
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continue;
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j = atoi(targs[i]); /* easy way to parse the number! */
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if (j == 0)
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continue;
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snprint(buf, sizeof buf, "%s%d", mbox.name, j);
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delmesg(buf, nil, 1, save);
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}
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free(s);
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free(targs);
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return 1;
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}
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if (strcmp(s, "Search") == 0) {
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if (nargs <= 1)
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return 1;
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s = estrstrdup(mboxname, "/search");
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searchfd = fsopen(mailfs, s, ORDWR);
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if (searchfd == nil)
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return 1;
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save = estrdup(args[1]);
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for (i = 2; i < nargs; i++)
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save = eappend(save, " ", args[i]);
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fswrite(searchfd, save, strlen(save));
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fsseek(searchfd, 0, 0);
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j = fsread(searchfd, buf, sizeof buf - 1);
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if (j == 0) {
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fprint(2, "[%s] search %s: no results found\n", mboxname, save);
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fsclose(searchfd);
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free(save);
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return 1;
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}
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free(save);
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buf[j] = '\0';
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res = estrdup(buf);
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j = fsread(searchfd, buf, sizeof buf - 1);
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for (; j != 0; j = fsread(searchfd, buf, sizeof buf - 1), buf[j] = '\0')
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res = eappend(res, "", buf);
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fsclose(searchfd);
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sbox = newwindow();
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winname(sbox, s);
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free(s);
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threadcreate(mainctl, sbox, STACK);
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winopenbody(sbox, OWRITE);
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/* show results in reverse order */
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m = mbox.tail;
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save = nil;
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for (s = strrchr(res, ' '); s != nil || save != res;
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s = strrchr(res, ' ')) {
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if (s != nil) {
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save = s + 1;
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*s = '\0';
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} else
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save = res;
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save = estrstrdup(save, "/");
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for (; m && strcmp(save, m->name) != 0; m = m->prev)
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;
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free(save);
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if (m == nil)
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break;
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fsprint(sbox->body, "%s%s\n", m->name, info(m, 0, 0));
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m = m->prev;
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}
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free(res);
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winclean(sbox);
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winclosebody(sbox);
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return 1;
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}
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return 0;
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}
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void mainctl(void* v) {
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Window* w;
|
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Event *e, *e2, *eq, *ea;
|
|
int na, nopen;
|
|
char *s, *t, *buf;
|
|
|
|
w = v;
|
|
winincref(w);
|
|
proccreate(wineventproc, w, STACK);
|
|
|
|
for (;;) {
|
|
e = recvp(w->cevent);
|
|
switch (e->c1) {
|
|
default:
|
|
Unknown:
|
|
print("unknown message %c%c\n", e->c1, e->c2);
|
|
break;
|
|
|
|
case 'E': /* write to body; can't affect us */
|
|
break;
|
|
|
|
case 'F': /* generated by our actions; ignore */
|
|
break;
|
|
|
|
case 'K': /* type away; we don't care */
|
|
break;
|
|
|
|
case 'M':
|
|
switch (e->c2) {
|
|
case 'x':
|
|
case 'X':
|
|
ea = nil;
|
|
e2 = nil;
|
|
if (e->flag & 2)
|
|
e2 = recvp(w->cevent);
|
|
if (e->flag & 8) {
|
|
ea = recvp(w->cevent);
|
|
na = ea->nb;
|
|
recvp(w->cevent);
|
|
} else
|
|
na = 0;
|
|
s = e->b;
|
|
/* if it's a known command, do it */
|
|
if ((e->flag & 2) && e->nb == 0)
|
|
s = e2->b;
|
|
if (na) {
|
|
t = emalloc(strlen(s) + 1 + na + 1);
|
|
sprint(t, "%s %s", s, ea->b);
|
|
s = t;
|
|
}
|
|
/* if it's a long message, it can't be for us anyway */
|
|
if (!mboxcommand(w, s)) /* send it back */
|
|
winwriteevent(w, e);
|
|
if (na)
|
|
free(s);
|
|
break;
|
|
|
|
case 'l':
|
|
case 'L':
|
|
buf = nil;
|
|
eq = e;
|
|
if (e->flag & 2) {
|
|
e2 = recvp(w->cevent);
|
|
eq = e2;
|
|
}
|
|
s = eq->b;
|
|
if (eq->q1 > eq->q0 && eq->nb == 0) {
|
|
buf = emalloc((eq->q1 - eq->q0) * UTFmax + 1);
|
|
winread(w, eq->q0, eq->q1, buf);
|
|
s = buf;
|
|
}
|
|
nopen = 0;
|
|
do {
|
|
/* skip 'deleted' string if present' */
|
|
if (strncmp(s, deleted, strlen(deleted)) == 0)
|
|
s += strlen(deleted);
|
|
/* skip mail box name if present */
|
|
if (strncmp(s, mbox.name, strlen(mbox.name)) == 0)
|
|
s += strlen(mbox.name);
|
|
nopen += mesgopen(&mbox, mbox.name, s, nil, 0, nil);
|
|
while (*s != '\0' && *s++ != '\n')
|
|
;
|
|
} while (*s);
|
|
if (nopen == 0) /* send it back */
|
|
winwriteevent(w, e);
|
|
free(buf);
|
|
break;
|
|
|
|
case 'I': /* modify away; we don't care */
|
|
case 'D':
|
|
case 'd':
|
|
case 'i':
|
|
break;
|
|
|
|
default:
|
|
goto Unknown;
|
|
}
|
|
}
|
|
}
|
|
}
|