296 lines
8.0 KiB
C
296 lines
8.0 KiB
C
/*
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mboxgrep - scan mailbox for messages matching a regular expression
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Copyright (C) 2000 - 2004, 2006, 2023 Daniel Spiljar
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Mboxgrep is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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Mboxgrep is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with mboxgrep; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <config.h>
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#include <unistd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#ifdef HAVE_DIRENT_H
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# include <dirent.h>
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# define NAMLEN(dirent) strlen((dirent)->d_name)
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#else
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# define dirent direct
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# define NAMLEN(dirent) (dirent)->d_namlen
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# ifdef HAVE_SYS_NDIR_H
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# include <sys/ndir.h>
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# endif
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/* HAVE_SYS_NDIR_H */
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# ifdef HAVE_SYS_DIR_H
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# include <sys/dir.h>
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# endif
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/* HAVE_SYS_DIR_H */
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# ifdef HAVE_NDIR_H
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# include <ndir.h>
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# endif
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/* HAVE_NDIR_H */
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#endif /* HAVE_DIRENT_H */
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#include <time.h>
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#include <errno.h>
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#include <string.h>
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#define BUFLEN 16384
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#include "mboxgrep.h"
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#include "scan.h"
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#include "mbox.h"
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#include "mh.h"
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#include "maildir.h"
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#include "wrap.h"
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#include "md5.h"
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#include "misc.h"
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#include "re.h"
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#ifdef HAVE_FTS_OPEN
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# include <sys/stat.h>
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# include <fts.h>
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#else
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# ifdef HAVE_FTW
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# include <ftw.h>
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# endif
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/* HAVE_FTW */
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#endif /* HAVE_FTS_OPEN */
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#ifdef HAVE_LIBDMALLOC
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# include <dmalloc.h>
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#endif /* HAVE_LIBDMALLOC */
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void
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scan_mailbox (char path[])
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{
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static FILE *outf;
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static mbox_t *mbox, *out;
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static DIR *boxd, *foo;
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static maildir_t *maildird;
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static message_t *msg;
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int delete = 0;
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int isdup = 0;
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if (config.format == FORMAT_MAILDIR && config.action == ACTION_WRITE)
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{
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foo = opendir (config.outboxname); /* do NOT change this to m_opendir! */
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if (foo == NULL && errno == ENOENT)
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maildir_create (config.outboxname);
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else
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closedir (foo);
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if (-1 == maildir_check (config.outboxname))
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{
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if (config.merr)
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fprintf (stderr, "%s: %s: Not a maildir folder\n", APPNAME,
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config.outboxname);
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exit (2);
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}
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}
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runtime.count = 0;
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if (config.action == ACTION_DELETE)
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delete = 1;
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if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
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|| (config.format == FORMAT_BZ2MBOX))
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{
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mbox = (mbox_t *) mbox_open (path, "r");
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if (mbox == NULL)
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return;
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}
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else if ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
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|| (config.format == FORMAT_NNML))
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{
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boxd = mh_open (path);
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if (boxd == NULL)
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return;
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}
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else if (config.format == FORMAT_MAILDIR)
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{
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maildird = maildir_open (path);
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if (maildird == NULL)
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return;
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}
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for (;;)
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{
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config.res1 = 1;
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config.res2 = 1;
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if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
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|| (config.format == FORMAT_BZ2MBOX))
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msg = (message_t *) mbox_read_message (mbox);
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else if ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
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|| (config.format == FORMAT_NNML))
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msg = (message_t *) mh_read_message (boxd);
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else if (config.format == FORMAT_MAILDIR)
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msg = (message_t *) maildir_read_message (maildird);
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if (msg == NULL)
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break;
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if (msg->from == NULL)
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msg->from = (char *) xstrdup ("nobody");
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#ifdef HAVE_LIBPCRE2
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if (config.regextype == REGEX_PERL)
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pcre_match (msg);
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else
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#endif /* HAVE_LIBPCRE2 */
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regex_match (msg);
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if (config.dedup)
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isdup = md5_check_message (msg->body, runtime.cs);
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if (((config.res1 == 0) | (config.res2 == 0)) ^
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((config.invert ^ delete)) &&
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((config.dedup && !isdup) || !config.dedup))
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{
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if (config.action == ACTION_DISPLAY)
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{
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if (config.format != FORMAT_MBOX && config.format != FORMAT_ZMBOX
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&& config.format != FORMAT_BZ2MBOX
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&& 0 != strncmp ("From ", msg->headers, 5))
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postmark_print (msg);
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fprintf (stdout, "%s\n%s", msg->headers, msg->body);
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}
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else if (config.action == ACTION_WRITE)
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{
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if (config.format == FORMAT_MAILDIR)
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maildir_write_message (msg, config.outboxname);
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else if (config.format == FORMAT_MH || config.format == FORMAT_NNMH
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|| config.format == FORMAT_NNML)
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mh_write_message (msg, config.outboxname);
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else if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
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|| (config.format == FORMAT_BZ2MBOX))
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{
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out = mbox_open (config.outboxname, "w");
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/* fprintf (out->fp, "%s\n%s", msg->headers, msg->body); */
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mbox_write_message (msg, out);
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mbox_close (out);
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}
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}
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else if (config.action == ACTION_PIPE)
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{
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outf = popen (config.pipecmd, "w");
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if (outf == NULL)
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{
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if (config.merr)
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{
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fprintf (stderr, "%s: %s: ", APPNAME, config.pipecmd);
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perror (NULL);
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}
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exit (2);
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} /* if */
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fprintf (outf, "%s\n%s", msg->headers, msg->body);
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pclose (outf);
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}
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else if (config.action == ACTION_COUNT)
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runtime.count++;
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else if (config.action == ACTION_DELETE &&
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((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
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|| (config.format == FORMAT_BZ2MBOX)))
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mbox_write_message (msg, runtime.tmp_mbox);
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}
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else
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if (((((config.res1 == 0) | (config.res2 == 0)) ^ config.invert)
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&& delete) && ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
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|| (config.format == FORMAT_NNML)
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|| (config.format == FORMAT_MAILDIR)))
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m_unlink (msg->filename);
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free (msg->body);
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free (msg->headers);
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free (msg);
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} /* for */
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if ((config.format == FORMAT_MBOX) || (config.format == FORMAT_ZMBOX)
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|| (config.format == FORMAT_BZ2MBOX))
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mbox_close (mbox);
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else if ((config.format == FORMAT_MH) || (config.format == FORMAT_NNMH)
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|| (config.format == FORMAT_NNML))
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mh_close (boxd);
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}
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void
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recursive_scan (char path[])
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{
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#ifdef HAVE_FTS_OPEN
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FTS *ftsfoo;
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FTSENT *ftsbar;
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#endif /* HAVE_FTS_OPEN */
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#ifdef HAVE_FTS_OPEN
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{
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char *p[2];
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p[0] = strdup (path);
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p[1] = 0;
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ftsfoo = fts_open (p, FTS_NOCHDIR, NULL);
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if (ftsfoo == NULL)
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{
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/* fixme (?) */
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perror (APPNAME);
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exit (2);
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}
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while ((ftsbar = fts_read (ftsfoo)))
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scan_mailbox (ftsbar->fts_path);
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fts_close (ftsfoo);
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}
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#else
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ftw (path, (void *) scan_mailbox, 1);
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#endif /* HAVE_FTS_OPEN */
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}
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int
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md5_check_message (char *body, checksum_t * chksum)
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{
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struct md5_ctx a;
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char b[16];
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int i;
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md5_init_ctx (&a);
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if (body == NULL)
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md5_process_bytes ("", 0, &a);
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else
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md5_process_bytes (body, strlen (body), &a);
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md5_finish_ctx (&a, b);
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for (i = 0; i < chksum->n; i++)
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{
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if (0 == strncmp ((char *) chksum->md5[i], b, 16))
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return 1;
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}
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chksum->md5 =
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(char **) xrealloc (chksum->md5, (1 + chksum->n) * sizeof (char *));
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chksum->md5[chksum->n] = xstrdup (b);
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(chksum->n)++;
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return 0;
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}
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