mboxgrep/src/maildir.c

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/*
mboxgrep - scan mailbox for messages matching a regular expression
Copyright (C) 2000 - 2003, 2006, 2023 Daniel Spiljar
Mboxgrep is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Mboxgrep is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with mboxgrep; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <config.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_DIRENT_H
# include <dirent.h>
# define NAMLEN(dirent) strlen((dirent)->d_name)
#else
# define dirent direct
# define NAMLEN(dirent) (dirent)->d_namlen
# ifdef HAVE_SYS_NDIR_H
# include <sys/ndir.h>
# endif
/* HAVE_SYS_NDIR_H */
# ifdef HAVE_SYS_DIR_H
# include <sys/dir.h>
# endif
/* HAVE_SYS_DIR_H */
# ifdef HAVE_NDIR_H
# include <ndir.h>
# endif
/* HAVE_NDIR_H */
#endif /* HAVE_DIRENT_H */
#include <stdlib.h>
#include <errno.h>
#include <time.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "mboxgrep.h"
#include "misc.h"
#include "maildir.h"
#include "wrap.h"
#ifdef HAVE_LIBDMALLOC
# include <dmalloc.h>
#endif /* HAVE_LIBDMALLOC */
maildir_t *
maildir_open (const char *path)
{
static maildir_t *mp;
char *dirname;
DIR *foo;
foo = m_opendir (path);
if (foo == NULL)
return NULL;
closedir (foo);
if (-1 == maildir_check (path))
{
if (config.merr)
fprintf (stderr, "%s: %s: Not a maildir folder\n", APPNAME, path);
return NULL;
}
dirname = (char *) xmalloc ((sizeof (char) * (strlen (path) + 5)));
mp = (maildir_t *) xmalloc (sizeof (maildir_t));
sprintf (dirname, "%s/new", path);
mp->new = m_opendir (dirname);
if (mp->new == NULL)
{
if (config.merr)
{
fprintf (stderr, "%s: %s: ", APPNAME, dirname);
perror (NULL);
}
free (dirname);
errno = 0;
return NULL;
}
sprintf (dirname, "%s/cur", path);
mp->cur = m_opendir (dirname);
if (mp->cur == NULL)
{
if (config.merr)
{
fprintf (stderr, "%s: %s: ", APPNAME, dirname);
perror (NULL);
}
free (dirname);
errno = 0;
return NULL;
}
free (dirname);
return mp;
} /* maildir_open */
message_t *
maildir_read_message (maildir_t * mdp)
{
int isheaders = 1;
Bump to version 0.7.10 and import of changes that have been made between 2003 and 2006 and haven't been tracked by any SCM. The changes are the following, in reverse order: * src/mboxgrep.h, src/main.c, src/mbox.c, src/mbox.h, src/scan.c: Temporary mbox file (used for deleting messages) is now created by tmpmbox_create(); tmpp global pointer is killed; portions of code in scan.c are replaced by single call of mbox_write_message(); scan.c no longer includes zlib.h and bzlib.h. * src/mboxgrep.h, src/main.c, src/maildir.c, src/scan.c: Got rid off tmpp and maildir_count global variables (code cleanup). * src/mboxgrep.h, src/main.c, src/scan.c: Introduction of the global runtime_t structure; mailbox counter, MD5 hash and other global variables are now part of it (code cleanup). * src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: Portions of scan_mailbox() have been moved to new functions, pcre_match() and regex_match() (code cleanup). * src/main.c, src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: main() has been partially uncluttered by moving portions of the code to functions pcre_init() and regex_init(). * src/main.c, src/mboxgrep.h, src/misc.c, src/misc.h: Variables regex_s and haveregex are now part of the option_t structure (code cleanup). * src/main.c, src/misc.c, src/misc.h: Parts of main() have been moved to set_default_options() and get_runtime_options() (code cleanup). * src/mbox.c, src/mbox.h: File mode and ownership-altering code has been moved to a separate function, tmpfile_mod_own (code cleanup). * src/mbox.c, src/mbox.h: Portions of the code from tmpfile_open moved to a new function, tmpfile_name (code cleanup). * src/maildir.c, src/mh.c: Removed some unused variables (have_return_path). * src/mboxgrep.h, src/maildir.c, src/mh.c, src/mbox.c, src/scan.c, src/main.c: boxname, outboxname, pipecmd and tmpfilename are now a part of the config_t structure and no longer global variables. * src/scan.c, src/misc.c, src/misc.h: Created postmark_print() to unclutter scan_mailbox(). * src/misc.c, src/misc.h, src/mbox.c, src/maildir.c, src/mh.c: Some repetitive code moved to malloc_message(). * src/mbox.c: Cleanup of mbox_write_message(); use of gzwrite_loop() and bzwrite_loop(). * src/scan.c, src/wrap.h, src/wrap.c: Wrote gzwrite_loop() and bzwrite_loop() to remove some repetitive code from scan.c. * src/scan.c: md5_check_message(): array b and cast in strncmp are no longer unsigned. * src/info.c, src/mboxgrep.h: Updated copyright information, changed author's email address to the one at Panix. * src/mbox.h, src/mbox.c, src/scan.c, src/main.c: mbox_write_message(); further fixes of message deletion code. * src/scan.c: Fixed deleting messages from mbox folders compressed with bzip2. * src/main.c, src/mbox.c: Moved James P. Dugal's ownership-preserving code from main() to tmpfile_open(). * src/info.c: If bzip2 support is compiled in, `--help' command should list `bz2mbox' as a valid option to `--mailbox-format='.
2018-10-04 20:07:27 +00:00
int have_from = 0, have_to = 0, have_message_id = 0, have_sender = 0,
have_date = 0;
static message_t *message;
static struct dirent *d_content;
char *filename, buffer[BUFSIZ];
static FILE *fp;
static int s;
message = allocate_message ();
for (;;)
{
if (mdp->new != NULL)
{
d_content = readdir (mdp->new);
if (d_content == NULL)
{
closedir (mdp->new);
mdp->new = NULL;
}
}
if (mdp->new == NULL && mdp->cur != NULL)
{
d_content = readdir (mdp->cur);
if (d_content == NULL)
{
closedir (mdp->cur);
mdp->cur = NULL;
}
}
if (mdp->new == NULL && mdp->cur == NULL)
{
free (message->headers);
free (message->body);
free (message);
return NULL;
}
if (d_content->d_name[0] == '.')
continue;
filename =
(char *) xmalloc ((sizeof (char) * ((strlen (d_content->d_name))
+ (strlen (config.boxname)) +
6)));
/*
filename =
(char *) alloca((sizeof(char)*((strlen(d_content->d_name))
Bump to version 0.7.10 and import of changes that have been made between 2003 and 2006 and haven't been tracked by any SCM. The changes are the following, in reverse order: * src/mboxgrep.h, src/main.c, src/mbox.c, src/mbox.h, src/scan.c: Temporary mbox file (used for deleting messages) is now created by tmpmbox_create(); tmpp global pointer is killed; portions of code in scan.c are replaced by single call of mbox_write_message(); scan.c no longer includes zlib.h and bzlib.h. * src/mboxgrep.h, src/main.c, src/maildir.c, src/scan.c: Got rid off tmpp and maildir_count global variables (code cleanup). * src/mboxgrep.h, src/main.c, src/scan.c: Introduction of the global runtime_t structure; mailbox counter, MD5 hash and other global variables are now part of it (code cleanup). * src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: Portions of scan_mailbox() have been moved to new functions, pcre_match() and regex_match() (code cleanup). * src/main.c, src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: main() has been partially uncluttered by moving portions of the code to functions pcre_init() and regex_init(). * src/main.c, src/mboxgrep.h, src/misc.c, src/misc.h: Variables regex_s and haveregex are now part of the option_t structure (code cleanup). * src/main.c, src/misc.c, src/misc.h: Parts of main() have been moved to set_default_options() and get_runtime_options() (code cleanup). * src/mbox.c, src/mbox.h: File mode and ownership-altering code has been moved to a separate function, tmpfile_mod_own (code cleanup). * src/mbox.c, src/mbox.h: Portions of the code from tmpfile_open moved to a new function, tmpfile_name (code cleanup). * src/maildir.c, src/mh.c: Removed some unused variables (have_return_path). * src/mboxgrep.h, src/maildir.c, src/mh.c, src/mbox.c, src/scan.c, src/main.c: boxname, outboxname, pipecmd and tmpfilename are now a part of the config_t structure and no longer global variables. * src/scan.c, src/misc.c, src/misc.h: Created postmark_print() to unclutter scan_mailbox(). * src/misc.c, src/misc.h, src/mbox.c, src/maildir.c, src/mh.c: Some repetitive code moved to malloc_message(). * src/mbox.c: Cleanup of mbox_write_message(); use of gzwrite_loop() and bzwrite_loop(). * src/scan.c, src/wrap.h, src/wrap.c: Wrote gzwrite_loop() and bzwrite_loop() to remove some repetitive code from scan.c. * src/scan.c: md5_check_message(): array b and cast in strncmp are no longer unsigned. * src/info.c, src/mboxgrep.h: Updated copyright information, changed author's email address to the one at Panix. * src/mbox.h, src/mbox.c, src/scan.c, src/main.c: mbox_write_message(); further fixes of message deletion code. * src/scan.c: Fixed deleting messages from mbox folders compressed with bzip2. * src/main.c, src/mbox.c: Moved James P. Dugal's ownership-preserving code from main() to tmpfile_open(). * src/info.c: If bzip2 support is compiled in, `--help' command should list `bz2mbox' as a valid option to `--mailbox-format='.
2018-10-04 20:07:27 +00:00
+ (strlen(config.boxname)) + 2)));
*/
if (mdp->new != NULL)
sprintf (filename, "%s/new/%s", config.boxname, d_content->d_name);
else
sprintf (filename, "%s/cur/%s", config.boxname, d_content->d_name);
message->filename = (char *) xstrdup (filename);
free (filename);
isheaders = 1;
fp = m_fopen (message->filename, "r");
if (fp == NULL)
continue;
while (fgets (buffer, BUFSIZ, fp) != NULL)
{
s = strlen (buffer);
if (0 == strncmp ("\n", buffer, 1) && isheaders == 1)
{
isheaders = 0;
continue;
} /* if */
if (isheaders)
{
if (0 == strncasecmp ("From: ", buffer, 6))
have_from = 1;
if (0 == strncasecmp ("Sender: ", buffer, 8))
have_sender = 1;
if (0 == strncasecmp ("Date: ", buffer, 6))
have_date = 1;
if (0 == strncasecmp ("To: ", buffer, 4))
have_to = 1;
if (0 == strncasecmp ("Message-ID: ", buffer, 12))
have_message_id = 1;
if (0 == strncasecmp ("Return-Path: ", buffer, 13))
message->from = parse_return_path (buffer);
message->headers =
(char *) xrealloc (message->headers,
((1 + s +
message->hbytes) * sizeof (char)));
strcpy (message->headers + message->hbytes, buffer);
message->hbytes += s;
} /* if */
else
{
message->body =
(char *) xrealloc (message->body,
((1 + s +
message->bbytes) * sizeof (char)));
strcpy (message->body + message->bbytes, buffer);
message->bbytes += s;
} /* else */
} /* while */
/* if (!have_from || !have_to || !have_message_id) */
if ((!have_from && !have_sender) || !have_date)
{
if (config.merr)
fprintf (stderr, "%s: %s: Not a RFC 2822 message\n",
APPNAME, message->filename);
fclose (fp);
continue;
}
fclose (fp);
return message;
} /* for */
} /* maildir_read_message */
void
maildir_write_message (message_t * m, const char *path)
{
char bla[BUFSIZ], *s1, *s2;
int t;
static FILE *f1;
Bump to version 0.7.10 and import of changes that have been made between 2003 and 2006 and haven't been tracked by any SCM. The changes are the following, in reverse order: * src/mboxgrep.h, src/main.c, src/mbox.c, src/mbox.h, src/scan.c: Temporary mbox file (used for deleting messages) is now created by tmpmbox_create(); tmpp global pointer is killed; portions of code in scan.c are replaced by single call of mbox_write_message(); scan.c no longer includes zlib.h and bzlib.h. * src/mboxgrep.h, src/main.c, src/maildir.c, src/scan.c: Got rid off tmpp and maildir_count global variables (code cleanup). * src/mboxgrep.h, src/main.c, src/scan.c: Introduction of the global runtime_t structure; mailbox counter, MD5 hash and other global variables are now part of it (code cleanup). * src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: Portions of scan_mailbox() have been moved to new functions, pcre_match() and regex_match() (code cleanup). * src/main.c, src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: main() has been partially uncluttered by moving portions of the code to functions pcre_init() and regex_init(). * src/main.c, src/mboxgrep.h, src/misc.c, src/misc.h: Variables regex_s and haveregex are now part of the option_t structure (code cleanup). * src/main.c, src/misc.c, src/misc.h: Parts of main() have been moved to set_default_options() and get_runtime_options() (code cleanup). * src/mbox.c, src/mbox.h: File mode and ownership-altering code has been moved to a separate function, tmpfile_mod_own (code cleanup). * src/mbox.c, src/mbox.h: Portions of the code from tmpfile_open moved to a new function, tmpfile_name (code cleanup). * src/maildir.c, src/mh.c: Removed some unused variables (have_return_path). * src/mboxgrep.h, src/maildir.c, src/mh.c, src/mbox.c, src/scan.c, src/main.c: boxname, outboxname, pipecmd and tmpfilename are now a part of the config_t structure and no longer global variables. * src/scan.c, src/misc.c, src/misc.h: Created postmark_print() to unclutter scan_mailbox(). * src/misc.c, src/misc.h, src/mbox.c, src/maildir.c, src/mh.c: Some repetitive code moved to malloc_message(). * src/mbox.c: Cleanup of mbox_write_message(); use of gzwrite_loop() and bzwrite_loop(). * src/scan.c, src/wrap.h, src/wrap.c: Wrote gzwrite_loop() and bzwrite_loop() to remove some repetitive code from scan.c. * src/scan.c: md5_check_message(): array b and cast in strncmp are no longer unsigned. * src/info.c, src/mboxgrep.h: Updated copyright information, changed author's email address to the one at Panix. * src/mbox.h, src/mbox.c, src/scan.c, src/main.c: mbox_write_message(); further fixes of message deletion code. * src/scan.c: Fixed deleting messages from mbox folders compressed with bzip2. * src/main.c, src/mbox.c: Moved James P. Dugal's ownership-preserving code from main() to tmpfile_open(). * src/info.c: If bzip2 support is compiled in, `--help' command should list `bz2mbox' as a valid option to `--mailbox-format='.
2018-10-04 20:07:27 +00:00
runtime.maildir_count++;
t = (int) time (NULL);
Bump to version 0.7.10 and import of changes that have been made between 2003 and 2006 and haven't been tracked by any SCM. The changes are the following, in reverse order: * src/mboxgrep.h, src/main.c, src/mbox.c, src/mbox.h, src/scan.c: Temporary mbox file (used for deleting messages) is now created by tmpmbox_create(); tmpp global pointer is killed; portions of code in scan.c are replaced by single call of mbox_write_message(); scan.c no longer includes zlib.h and bzlib.h. * src/mboxgrep.h, src/main.c, src/maildir.c, src/scan.c: Got rid off tmpp and maildir_count global variables (code cleanup). * src/mboxgrep.h, src/main.c, src/scan.c: Introduction of the global runtime_t structure; mailbox counter, MD5 hash and other global variables are now part of it (code cleanup). * src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: Portions of scan_mailbox() have been moved to new functions, pcre_match() and regex_match() (code cleanup). * src/main.c, src/mboxgrep.h, src/re.c, src/re.h, src/scan.c: main() has been partially uncluttered by moving portions of the code to functions pcre_init() and regex_init(). * src/main.c, src/mboxgrep.h, src/misc.c, src/misc.h: Variables regex_s and haveregex are now part of the option_t structure (code cleanup). * src/main.c, src/misc.c, src/misc.h: Parts of main() have been moved to set_default_options() and get_runtime_options() (code cleanup). * src/mbox.c, src/mbox.h: File mode and ownership-altering code has been moved to a separate function, tmpfile_mod_own (code cleanup). * src/mbox.c, src/mbox.h: Portions of the code from tmpfile_open moved to a new function, tmpfile_name (code cleanup). * src/maildir.c, src/mh.c: Removed some unused variables (have_return_path). * src/mboxgrep.h, src/maildir.c, src/mh.c, src/mbox.c, src/scan.c, src/main.c: boxname, outboxname, pipecmd and tmpfilename are now a part of the config_t structure and no longer global variables. * src/scan.c, src/misc.c, src/misc.h: Created postmark_print() to unclutter scan_mailbox(). * src/misc.c, src/misc.h, src/mbox.c, src/maildir.c, src/mh.c: Some repetitive code moved to malloc_message(). * src/mbox.c: Cleanup of mbox_write_message(); use of gzwrite_loop() and bzwrite_loop(). * src/scan.c, src/wrap.h, src/wrap.c: Wrote gzwrite_loop() and bzwrite_loop() to remove some repetitive code from scan.c. * src/scan.c: md5_check_message(): array b and cast in strncmp are no longer unsigned. * src/info.c, src/mboxgrep.h: Updated copyright information, changed author's email address to the one at Panix. * src/mbox.h, src/mbox.c, src/scan.c, src/main.c: mbox_write_message(); further fixes of message deletion code. * src/scan.c: Fixed deleting messages from mbox folders compressed with bzip2. * src/main.c, src/mbox.c: Moved James P. Dugal's ownership-preserving code from main() to tmpfile_open(). * src/info.c: If bzip2 support is compiled in, `--help' command should list `bz2mbox' as a valid option to `--mailbox-format='.
2018-10-04 20:07:27 +00:00
sprintf (bla, "%i.%i_%i.%s",
t, config.pid, runtime.maildir_count, config.hostname);
s1 = (char *) xmalloc ((strlen (path) + strlen (bla) + 6) * sizeof (char));
sprintf (s1, "%s/tmp/%s", path, bla);
s2 = (char *) xmalloc ((strlen (path) + strlen (bla) + 6) * sizeof (char));
sprintf (s2, "%s/new/%s", path, bla);
f1 = m_fopen (s1, "w");
fprintf (f1, "%s\n%s", m->headers, m->body);
fclose (f1);
rename (s1, s2);
}
int
maildir_check (const char *path)
{
static struct stat fs;
static int i;
char *s;
s = (char *) xmalloc ((strlen (path) + 5) * sizeof (char));
sprintf (s, "%s/cur", path);
i = stat (s, &fs);
if (-1 == i)
return -1;
if (!S_ISDIR (fs.st_mode))
return -1;
sprintf (s, "%s/new", path);
i = stat (s, &fs);
if (-1 == i)
return -1;
if (!S_ISDIR (fs.st_mode))
return -1;
sprintf (s, "%s/tmp", path);
i = stat (s, &fs);
if (-1 == i)
return -1;
if (!S_ISDIR (fs.st_mode))
return -1;
free (s);
return 0;
}
void
maildir_create (const char *path)
{
char *s;
int i;
s = (char *) xmalloc ((strlen (path) + 4) * sizeof (char));
errno = 0;
for (;;)
{
sprintf (s, "%s", path);
i = mkdir (s, S_IRWXU);
if (-1 == i)
break;
sprintf (s, "%s/new", path);
i = mkdir (s, S_IRWXU);
if (-1 == i)
break;
sprintf (s, "%s/cur", path);
i = mkdir (s, S_IRWXU);
if (-1 == i)
break;
sprintf (s, "%s/tmp", path);
i = mkdir (s, S_IRWXU);
if (-1 == i)
break;
break;
}
if (errno != 0)
{
if (config.merr)
{
fprintf (stderr, "%s:%s: ", APPNAME, s);
perror (NULL);
}
}
}