diff -udprP mutt-1.5.19.orig/compress.c mutt-1.5.19/compress.c --- mutt-1.5.19.orig/compress.c 1970-01-01 03:00:00.000000000 +0300 +++ mutt-1.5.19/compress.c 2009-01-06 19:16:04.000000000 +0200 @@ -0,0 +1,490 @@ +/* + * Copyright (C) 1997 Alain Penders + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#if HAVE_CONFIG_H +# include "config.h" +#endif + +#include "mutt.h" + +#ifdef USE_COMPRESSED + +#include "mx.h" +#include "mailbox.h" +#include "mutt_curses.h" + +#include +#include +#include +#include + +typedef struct +{ + const char *close; /* close-hook command */ + const char *open; /* open-hook command */ + const char *append; /* append-hook command */ + off_t size; /* size of real folder */ +} COMPRESS_INFO; + +char echo_cmd[HUGE_STRING]; + +/* parameters: + * ctx - context to lock + * excl - exclusive lock? + * retry - should retry if unable to lock? + */ +int mbox_lock_compressed (CONTEXT *ctx, FILE *fp, int excl, int retry) +{ + int r; + + if ((r = mx_lock_file (ctx->realpath, fileno (fp), excl, 1, retry)) == 0) + ctx->locked = 1; + else if (retry && !excl) + { + ctx->readonly = 1; + return 0; + } + + return (r); +} + +void mbox_unlock_compressed (CONTEXT *ctx, FILE *fp) +{ + if (ctx->locked) + { + fflush (fp); + + mx_unlock_file (ctx->realpath, fileno (fp), 1); + ctx->locked = 0; + } +} + +static int is_new (const char *path) +{ + return (access (path, W_OK) != 0 && errno == ENOENT) ? 1 : 0; +} + +static const char* find_compress_hook (int type, const char *path) +{ + const char* c = mutt_find_hook (type, path); + return (!c || !*c) ? NULL : c; +} + +int mutt_can_read_compressed (const char *path) +{ + return find_compress_hook (M_OPENHOOK, path) ? 1 : 0; +} + +/* if the file is new, we really do not append, but create, and so use + * close-hook, and not append-hook + */ +static const char* get_append_command (const char *path, const CONTEXT* ctx) +{ + COMPRESS_INFO *ci = (COMPRESS_INFO *) ctx->compressinfo; + return (is_new (path)) ? ci->close : ci->append; +} + +int mutt_can_append_compressed (const char *path) +{ + int magic; + + if (is_new (path)) + return (find_compress_hook (M_CLOSEHOOK, path) ? 1 : 0); + + magic = mx_get_magic (path); + + if (magic != 0 && magic != M_COMPRESSED) + return 0; + + return (find_compress_hook (M_APPENDHOOK, path) + || (find_compress_hook (M_OPENHOOK, path) + && find_compress_hook (M_CLOSEHOOK, path))) ? 1 : 0; +} + +/* open a compressed mailbox */ +static COMPRESS_INFO *set_compress_info (CONTEXT *ctx) +{ + COMPRESS_INFO *ci; + + /* Now lets uncompress this thing */ + ci = safe_malloc (sizeof (COMPRESS_INFO)); + ctx->compressinfo = (void*) ci; + ci->append = find_compress_hook (M_APPENDHOOK, ctx->path); + ci->open = find_compress_hook (M_OPENHOOK, ctx->path); + ci->close = find_compress_hook (M_CLOSEHOOK, ctx->path); + return ci; +} + +static void set_path (CONTEXT* ctx) +{ + char tmppath[_POSIX_PATH_MAX]; + + /* Setup the right paths */ + ctx->realpath = ctx->path; + + /* Uncompress to /tmp */ + mutt_mktemp (tmppath, sizeof(tmppath)); + ctx->path = safe_malloc (strlen (tmppath) + 1); + strcpy (ctx->path, tmppath); +} + +static int get_size (const char* path) +{ + struct stat sb; + if (stat (path, &sb) != 0) + return 0; + return (sb.st_size); +} + +static void store_size (CONTEXT* ctx) +{ + COMPRESS_INFO *ci = (COMPRESS_INFO *) ctx->compressinfo; + ci->size = get_size (ctx->realpath); +} + +static const char * +compresshook_format_str (char *dest, size_t destlen, size_t col, char op, + const char *src, const char *fmt, const char *ifstring, + const char *elsestring, unsigned long data, + format_flag flags) +{ + char tmp[SHORT_STRING]; + + CONTEXT *ctx = (CONTEXT *) data; + switch (op) + { + case 'f': + snprintf (tmp, sizeof (tmp), "%%%ss", fmt); + snprintf (dest, destlen, tmp, ctx->realpath); + break; + case 't': + snprintf (tmp, sizeof (tmp), "%%%ss", fmt); + snprintf (dest, destlen, tmp, ctx->path); + break; + } + return (src); +} + +/* check that the command has both %f and %t + * 0 means OK, -1 means error + */ +int mutt_test_compress_command (const char* cmd) +{ + return (strstr (cmd, "%f") && strstr (cmd, "%t")) ? 0 : -1; +} + +static char *get_compression_cmd (const char* cmd, const CONTEXT* ctx) +{ + char expanded[_POSIX_PATH_MAX]; + mutt_FormatString (expanded, sizeof (expanded), 0, cmd, compresshook_format_str, + (unsigned long) ctx, 0); + return safe_strdup (expanded); +} + +int mutt_check_mailbox_compressed (CONTEXT* ctx) +{ + COMPRESS_INFO *ci = (COMPRESS_INFO *) ctx->compressinfo; + if (ci->size != get_size (ctx->realpath)) + { + FREE (&ctx->compressinfo); + FREE (&ctx->realpath); + mutt_error _("Mailbox was corrupted!"); + return (-1); + } + return (0); +} + +int mutt_open_read_compressed (CONTEXT *ctx) +{ + char *cmd; + FILE *fp; + int rc; + + COMPRESS_INFO *ci = set_compress_info (ctx); + if (!ci->open) { + ctx->magic = 0; + FREE (ctx->compressinfo); + return (-1); + } + if (!ci->close || access (ctx->path, W_OK) != 0) + ctx->readonly = 1; + + set_path (ctx); + store_size (ctx); + + if (!ctx->quiet) + mutt_message (_("Decompressing %s..."), ctx->realpath); + + cmd = get_compression_cmd (ci->open, ctx); + if (cmd == NULL) + return (-1); + dprint (2, (debugfile, "DecompressCmd: '%s'\n", cmd)); + + if ((fp = fopen (ctx->realpath, "r")) == NULL) + { + mutt_perror (ctx->realpath); + FREE (&cmd); + return (-1); + } + mutt_block_signals (); + if (mbox_lock_compressed (ctx, fp, 0, 1) == -1) + { + fclose (fp); + mutt_unblock_signals (); + mutt_error _("Unable to lock mailbox!"); + FREE (&cmd); + return (-1); + } + + endwin (); + fflush (stdout); + sprintf(echo_cmd,_("echo Decompressing %s..."),ctx->realpath); + mutt_system(echo_cmd); + rc = mutt_system (cmd); + mbox_unlock_compressed (ctx, fp); + mutt_unblock_signals (); + fclose (fp); + + if (rc) + { + mutt_any_key_to_continue (NULL); + ctx->magic = 0; + FREE (ctx->compressinfo); + mutt_error (_("Error executing: %s : unable to open the mailbox!\n"), cmd); + } + FREE (&cmd); + if (rc) + return (-1); + + if (mutt_check_mailbox_compressed (ctx)) + return (-1); + + ctx->magic = mx_get_magic (ctx->path); + + return (0); +} + +void restore_path (CONTEXT* ctx) +{ + FREE (&ctx->path); + ctx->path = ctx->realpath; +} + +/* remove the temporary mailbox */ +void remove_file (CONTEXT* ctx) +{ + if (ctx->magic == M_MBOX || ctx->magic == M_MMDF) + remove (ctx->path); +} + +int mutt_open_append_compressed (CONTEXT *ctx) +{ + FILE *fh; + COMPRESS_INFO *ci = set_compress_info (ctx); + + if (!get_append_command (ctx->path, ctx)) + { + if (ci->open && ci->close) + return (mutt_open_read_compressed (ctx)); + + ctx->magic = 0; + FREE (&ctx->compressinfo); + return (-1); + } + + set_path (ctx); + + ctx->magic = DefaultMagic; + + if (!is_new (ctx->realpath)) + if (ctx->magic == M_MBOX || ctx->magic == M_MMDF) + if ((fh = fopen (ctx->path, "w"))) + fclose (fh); + /* No error checking - the parent function will catch it */ + + return (0); +} + +/* close a compressed mailbox */ +void mutt_fast_close_compressed (CONTEXT *ctx) +{ + dprint (2, (debugfile, "mutt_fast_close_compressed called on '%s'\n", + ctx->path)); + + if (ctx->compressinfo) + { + if (ctx->fp) + fclose (ctx->fp); + ctx->fp = NULL; + /* if the folder was removed, remove the gzipped folder too */ + if (access (ctx->path, F_OK) != 0 && ! option (OPTSAVEEMPTY)) + remove (ctx->realpath); + else + remove_file (ctx); + + restore_path (ctx); + FREE (&ctx->compressinfo); + } +} + +/* return 0 on success, -1 on failure */ +int mutt_sync_compressed (CONTEXT* ctx) +{ + char *cmd; + int rc = 0; + FILE *fp; + COMPRESS_INFO *ci = (COMPRESS_INFO *) ctx->compressinfo; + + if (!ctx->quiet) + mutt_message (_("Compressing %s..."), ctx->realpath); + + cmd = get_compression_cmd (ci->close, ctx); + if (cmd == NULL) + return (-1); + + if ((fp = fopen (ctx->realpath, "a")) == NULL) + { + mutt_perror (ctx->realpath); + FREE (&cmd); + return (-1); + } + mutt_block_signals (); + if (mbox_lock_compressed (ctx, fp, 1, 1) == -1) + { + fclose (fp); + mutt_unblock_signals (); + mutt_error _("Unable to lock mailbox!"); + + store_size (ctx); + + FREE (&cmd); + return (-1); + } + + dprint (2, (debugfile, "CompressCommand: '%s'\n", cmd)); + + endwin (); + fflush (stdout); + sprintf(echo_cmd,_("echo Compressing %s..."), ctx->realpath); + mutt_system(echo_cmd); + if (mutt_system (cmd)) + { + mutt_any_key_to_continue (NULL); + mutt_error (_("%s: Error compressing mailbox! Original mailbox deleted, uncompressed one kept!\n"), ctx->path); + rc = -1; + } + + mbox_unlock_compressed (ctx, fp); + mutt_unblock_signals (); + fclose (fp); + + FREE (&cmd); + + store_size (ctx); + + return (rc); +} + +int mutt_slow_close_compressed (CONTEXT *ctx) +{ + FILE *fp; + const char *append; + char *cmd; + COMPRESS_INFO *ci = (COMPRESS_INFO *) ctx->compressinfo; + + dprint (2, (debugfile, "mutt_slow_close_compressed called on '%s'\n", + ctx->path)); + + if (! (ctx->append + && ((append = get_append_command (ctx->realpath, ctx)) + || (append = ci->close)))) + { /* if we can not or should not append, + * we only have to remove the compressed info, because sync was already + * called + */ + mutt_fast_close_compressed (ctx); + return (0); + } + + if (ctx->fp) + fclose (ctx->fp); + ctx->fp = NULL; + + if (!ctx->quiet) + { + if (append == ci->close) + mutt_message (_("Compressing %s..."), ctx->realpath); + else + mutt_message (_("Compressed-appending to %s..."), ctx->realpath); + } + + cmd = get_compression_cmd (append, ctx); + if (cmd == NULL) + return (-1); + + if ((fp = fopen (ctx->realpath, "a")) == NULL) + { + mutt_perror (ctx->realpath); + FREE (&cmd); + return (-1); + } + mutt_block_signals (); + if (mbox_lock_compressed (ctx, fp, 1, 1) == -1) + { + fclose (fp); + mutt_unblock_signals (); + mutt_error _("Unable to lock mailbox!"); + FREE (&cmd); + return (-1); + } + + dprint (2, (debugfile, "CompressCmd: '%s'\n", cmd)); + + endwin (); + fflush (stdout); + + if (append == ci->close) + sprintf(echo_cmd,_("echo Compressing %s..."), ctx->realpath); + else + sprintf(echo_cmd,_("echo Compressed-appending to %s..."), ctx->realpath); + mutt_system(echo_cmd); + + if (mutt_system (cmd)) + { + mutt_any_key_to_continue (NULL); + mutt_error (_(" %s: Error compressing mailbox! Uncompressed one kept!\n"), + ctx->path); + FREE (&cmd); + mbox_unlock_compressed (ctx, fp); + mutt_unblock_signals (); + fclose (fp); + return (-1); + } + + mbox_unlock_compressed (ctx, fp); + mutt_unblock_signals (); + fclose (fp); + remove_file (ctx); + restore_path (ctx); + FREE (&cmd); + FREE (&ctx->compressinfo); + + return (0); +} + +#endif /* USE_COMPRESSED */ diff -udprP mutt-1.5.19.orig/compress.h mutt-1.5.19/compress.h --- mutt-1.5.19.orig/compress.h 1970-01-01 03:00:00.000000000 +0300 +++ mutt-1.5.19/compress.h 2009-01-06 19:16:04.000000000 +0200 @@ -0,0 +1,27 @@ +/* + * Copyright (C) 1997 Alain Penders + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +int mutt_can_read_compressed (const char *); +int mutt_can_append_compressed (const char *); +int mutt_open_read_compressed (CONTEXT *); +int mutt_open_append_compressed (CONTEXT *); +int mutt_slow_close_compressed (CONTEXT *); +int mutt_sync_compressed (CONTEXT *); +int mutt_test_compress_command (const char *); +int mutt_check_mailbox_compressed (CONTEXT *); +void mutt_fast_close_compressed (CONTEXT *); diff -udprP mutt-1.5.19.orig/config.h.in mutt-1.5.19/config.h.in --- mutt-1.5.19.orig/config.h.in 2008-11-18 01:54:00.000000000 +0200 +++ mutt-1.5.19/config.h.in 2009-01-06 19:16:04.000000000 +0200 @@ -521,6 +521,9 @@ /* Define to enable Sun mailtool attachments support. */ #undef SUN_ATTACHMENT + +/* The compressed mailboxes support */ +#undef USE_COMPRESSED /* Define to use dotlocking for mailboxes. */ #undef USE_DOTLOCK diff -udprP mutt-1.5.19.orig/configure mutt-1.5.19/configure --- mutt-1.5.19.orig/configure 2008-11-18 01:53:41.000000000 +0200 +++ mutt-1.5.19/configure 2009-01-06 19:16:04.000000000 +0200 @@ -1366,6 +1366,7 @@ Optional Features: --disable-warnings Turn off compiler warnings (not recommended) --enable-nfs-fix Work around an NFS with broken attributes caching --enable-mailtool Enable Sun mailtool attachments support + --enable-compressed Enable compressed folders support --enable-locales-fix The result of isprint() is unreliable --enable-exact-address Enable regeneration of email addresses --enable-hcache Enable header caching @@ -12978,6 +12979,18 @@ echo "${ECHO_T}$mutt_cv_regex_broken" >& fi fi + +# Check whether --enable-compressed or --disable-compressed was given. +if test "${enable_compressed+set}" = set; then + enableval="$enable_compressed" + if test x$enableval = xyes; then + cat >> confdefs.h <<\EOF +#define USE_COMPRESSED 1 +EOF + + fi +fi + if test $mutt_cv_regex = yes; then cat >>confdefs.h <<\_ACEOF diff -udprP mutt-1.5.19.orig/configure.ac mutt-1.5.19/configure.ac --- mutt-1.5.19.orig/configure.ac 2008-11-17 22:15:26.000000000 +0200 +++ mutt-1.5.19/configure.ac 2009-01-06 19:16:04.000000000 +0200 @@ -789,6 +789,11 @@ AC_ARG_ENABLE(mailtool, AC_HELP_STRING([ AC_DEFINE(SUN_ATTACHMENT,1,[ Define to enable Sun mailtool attachments support. ]) fi]) +AC_ARG_ENABLE(compressed, AC_HELP_STRING([--enable-compressed], [Enable compressed folders support]), + [if test x$enableval = xyes; then + AC_DEFINE(USE_COMPRESSED,1,[ Define to enable compressed folders support. ]) + fi]) + AC_ARG_ENABLE(locales-fix, AC_HELP_STRING([--enable-locales-fix], [The result of isprint() is unreliable]), [if test x$enableval = xyes; then AC_DEFINE(LOCALES_HACK,1,[ Define if the result of isprint() is unreliable. ]) diff -udprP mutt-1.5.19.orig/curs_main.c mutt-1.5.19/curs_main.c --- mutt-1.5.19.orig/curs_main.c 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/curs_main.c 2009-01-06 19:16:04.000000000 +0200 @@ -1108,6 +1108,11 @@ int mutt_index_menu (void) { int check; +#ifdef USE_COMPRESSED + if (Context->compressinfo && Context->realpath) + mutt_str_replace (&LastFolder, Context->realpath); + else +#endif mutt_str_replace (&LastFolder, Context->path); oldcount = Context ? Context->msgcount : 0; --- mutt-1.5.20.b/doc/Makefile.am 2009-06-01 04:23:14.000000000 +0200 +++ mutt-1.5.20/doc/Makefile.am 2009-07-14 12:36:06.000000000 +0200 @@ -31,7 +31,8 @@ CHUNKED_DOCFILES = index.html intro.html gettingstarted.html \ configuration.html mimesupport.html advancedusage.html \ - optionalfeatures.html security.html tuning.html reference.html miscellany.html + optionalfeatures.html security.html tuning.html reference.html miscellany.html \ + compressed-folders.html HTML_DOCFILES = manual.html $(CHUNKED_DOCFILES) --- mutt-1.5.20.b/doc/Makefile.in 2009-06-09 08:50:43.000000000 +0200 +++ mutt-1.5.20/doc/Makefile.in 2009-07-14 12:36:53.000000000 +0200 @@ -235,7 +235,8 @@ CHUNKED_DOCFILES = index.html intro.html gettingstarted.html \ configuration.html mimesupport.html advancedusage.html \ - optionalfeatures.html security.html tuning.html reference.html miscellany.html + optionalfeatures.html security.html tuning.html reference.html miscellany.html \ + compressed-folders.html HTML_DOCFILES = manual.html $(CHUNKED_DOCFILES) BUILT_DISTFILES = stamp-doc-xml stamp-doc-chunked manual.txt $(HTML_DOCFILES) diff -udprP mutt-1.5.19.orig/doc/manual.xml.head mutt-1.5.19/doc/manual.xml.head --- mutt-1.5.19.orig/doc/manual.xml.head 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/doc/manual.xml.head 2009-01-06 19:35:41.000000000 +0200 @@ -4639,6 +4639,24 @@ configuration option/command. See fcc-save-hook + + + +open-hook + + + + + +close-hook + + + + + +append-hook + + @@ -5138,6 +5156,254 @@ macro pager \cb |urlview\n + +Compressed folders Support (OPTIONAL) + + +If Mutt was compiled with compressed folders support (by running the +configure script with the +--enable-compressed flag), Mutt can open folders +stored in an arbitrary format, provided that the user has a script to +convert from/to this format to one of the accepted. + + + +The most common use is to open compressed archived folders e.g. with +gzip. + + + +In addition, the user can provide a script that gets a folder in an +accepted format and appends its context to the folder in the +user-defined format, which may be faster than converting the entire +folder to the accepted format, appending to it and converting back to +the user-defined format. + + + +There are three hooks defined +(open-hook, +close-hook and +append-hook) which define commands +to uncompress and compress a folder and to append messages to an +existing compressed folder respectively. + + + +For example: + + +open-hook \\.gz$ "gzip -cd %f > %t" +close-hook \\.gz$ "gzip -c %t > %f" +append-hook \\.gz$ "gzip -c %t >> %f" + + + + +You do not have to specify all of the commands. If you omit +append-hook, the folder will be open +and closed again each time you will add to it. If you omit +close-hook (or give empty command), +the folder will be open in the mode. If you specify +append-hook though you'll be able to +append to the folder. + + + +Note that Mutt will only try to use hooks if the file is not in one of +the accepted formats. In particular, if the file is empty, mutt +supposes it is not compressed. This is important because it allows the +use of programs that do not have well defined extensions. Just use +``.'' as a regexp. But this may be surprising if your compressing +script produces empty files. In this situation, unset +$save_empty, so that +the compressed file will be removed if you delete all of the messages. + + + +Open a compressed mailbox for reading + + +Usage: open-hook regexp command + + + +The command is the command that can be used for +opening the folders whose names match regexp. + + + +The command string is the printf-like format +string, and it should accept two parameters: %f, which is +replaced with the (compressed) folder name, and %t which is +replaced with the name of the temporary folder to which to write. + + + +%f and %t can be repeated any number of times in the +command string, and all of the entries are replaced with the +appropriate folder name. In addition, %% is replaced by +%, as in printf, and any other %anything is left as is. + + + +The command should not +remove the original compressed file. The command +should return non-zero exit status if it fails, so mutt knows +something's wrong. + + + +Example: + + +open-hook \\.gz$ "gzip -cd %f > %t" + + + + +If the command is empty, this operation is +disabled for this file type. + + + + + +Write a compressed mailbox + + +Usage: close-hook regexp command + + + +This is used to close the folder that was open with the +open-hook command after some changes +were made to it. + + + +The command string is the command that can be +used for closing the folders whose names match regexp. +It has the same format as in the open-hook +command. Temporary folder in this case is the folder previously +produced by the open-hook command. + + + +The command should not +remove the decompressed file. The command should +return non-zero exit status if it fails, so mutt knows something's +wrong. + + + +Example: + + +close-hook \\.gz$ "gzip -c %t > %f" + + + + +If the command is empty, this operation is +disabled for this file type, and the file can only be open in the +readonly mode. + + + +close-hook is not called when you +exit from the folder if the folder was not changed. + + + + + +Append a message to a compressed mailbox + + +Usage: append-hook regexp command + + + +This command is used for saving to an existing compressed folder. +The command is the command that can be used for +appending to the folders whose names match regexp. +It has the same format as in the open-hook +command. The temporary folder in this case contains the messages that +are being appended. + + + +The command should not +remove the decompressed file. The command should +return non-zero exit status if it fails, so mutt knows something's +wrong. + + + +Example: + + +append-hook \\.gz$ "gzip -c %t >> %f" + + + + +When append-hook is used, the folder +is not opened, which saves time, but this means that we can not find +out what the folder type is. Thus the default +($mbox_type) type is +always supposed (i.e. this is the format used for the temporary +folder). + + + +If the file does not exist when you save to it, +close-hook is called, and not +append-hook. +append-hook is only for appending +to existing folders. + + + +If the command is empty, this operation is +disabled for this file type. In this case, the folder will be open and +closed again (using open-hook and +close-hook respectively) each time +you will add to it. + + + + + +Encrypted folders + + +The compressed folders support can also be used to handle encrypted +folders. If you want to encrypt a folder with PGP, you may want to use +the following hooks: + + +open-hook \\.pgp$ "pgp -f < %f > %t" +close-hook \\.pgp$ "pgp -fe YourPgpUserIdOrKeyId < %t > %f" + + + + +Please note, that PGP does not support appending to an encrypted +folder, so there is no append-hook defined. + + + +Note: the folder is temporary stored +decrypted in the /tmp directory, where it can be read by your system +administrator. So think about the security aspects of this. + + + + + + Mutt's MIME Support @@ -6942,6 +7208,18 @@ The following are the commands understoo +append-hook + +pattern + + +command + + + + + + auto_view mimetype @@ -7007,6 +7285,18 @@ The following are the commands understoo +close-hook + +pattern + + +command + + + + + + color object @@ -7421,6 +7711,18 @@ The following are the commands understoo +open-hook + +pattern + + +command + + + + + + crypt-hook pattern diff -udprP mutt-1.5.19.orig/doc/Muttrc.head mutt-1.5.19/doc/Muttrc.head --- mutt-1.5.19.orig/doc/Muttrc.head 2008-06-14 03:08:43.000000000 +0300 +++ mutt-1.5.19/doc/Muttrc.head 2009-01-06 19:16:04.000000000 +0200 @@ -29,6 +29,17 @@ macro generic,pager " macro index,pager y "?" "show incoming mailboxes list" bind browser y exit +# Use folders which match on \\.gz$ as gzipped folders: +open-hook \\.gz$ "gzip -cd %f > %t" +close-hook \\.gz$ "gzip -c %t > %f" +append-hook \\.gz$ "gzip -c %t >> %f" +open-hook \\.bz2$ "bzip2 -cd %f > %t" +close-hook \\.bz2$ "bzip2 -c %t > %f" +append-hook \\.bz2$ "bzip2 -c %t >> %f" +open-hook \\.xz$ "xz -cd %f > %t" +close-hook \\.xz$ "xz -c %t > %f" +append-hook \\.xz$ "xz -c %t >> %f" + # If Mutt is unable to determine your site's domain name correctly, you can # set the default here. # diff -udprP mutt-1.5.19.orig/doc/muttrc.man.head mutt-1.5.19/doc/muttrc.man.head --- mutt-1.5.19.orig/doc/muttrc.man.head 2008-11-26 20:48:48.000000000 +0200 +++ mutt-1.5.19/doc/muttrc.man.head 2009-01-06 19:16:04.000000000 +0200 @@ -345,6 +345,24 @@ specify the ID of the public key to be u to a certain recipient. The meaning of "key ID" is to be taken broadly: This can be a different e-mail address, a numerical key ID, or even just an arbitrary search string. +.PP +.nf +\fBopen-hook\fP \fIregexp\fP "\fIcommand\fP" +\fBclose-hook\fP \fIregexp\fP "\fIcommand\fP" +\fBappend-hook\fP \fIregexp\fP "\fIcommand\fP" +.fi +.IP +These commands provide a way to handle compressed folders. The given +\fBregexp\fP specifies which folders are taken as compressed (e.g. +"\fI\\\\.gz$\fP"). The commands tell Mutt how to uncompress a folder +(\fBopen-hook\fP), compress a folder (\fBclose-hook\fP) or append a +compressed mail to a compressed folder (\fBappend-hook\fP). The +\fIcommand\fP string is the +.BR printf (3) +like format string, and it should accept two parameters: \fB%f\fP, +which is replaced with the (compressed) folder name, and \fB%t\fP +which is replaced with the name of the temporary folder to which to +write. .TP \fBpush\fP \fIstring\fP This command adds the named \fIstring\fP to the keyboard buffer. diff -udprP mutt-1.5.19.orig/hook.c mutt-1.5.19/hook.c --- mutt-1.5.19.orig/hook.c 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/hook.c 2009-01-06 19:16:04.000000000 +0200 @@ -24,6 +24,10 @@ #include "mailbox.h" #include "mutt_crypt.h" +#ifdef USE_COMPRESSED +#include "compress.h" +#endif + #include #include #include @@ -92,6 +96,16 @@ int mutt_parse_hook (BUFFER *buf, BUFFER memset (&pattern, 0, sizeof (pattern)); pattern.data = safe_strdup (path); } +#ifdef USE_COMPRESSED + else if (data & (M_APPENDHOOK | M_OPENHOOK | M_CLOSEHOOK)) + { + if (mutt_test_compress_command (command.data)) + { + strfcpy (err->data, _("bad formatted command string"), err->dsize); + return (-1); + } + } +#endif else if (DefaultHook && !(data & (M_CHARSETHOOK | M_ICONVHOOK | M_ACCOUNTHOOK)) && (!WithCrypto || !(data & M_CRYPTHOOK)) ) diff -udprP mutt-1.5.19.orig/init.h mutt-1.5.19/init.h --- mutt-1.5.19.orig/init.h 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/init.h 2009-01-06 19:16:04.000000000 +0200 @@ -3398,6 +3398,11 @@ struct command_t Commands[] = { { "fcc-hook", mutt_parse_hook, M_FCCHOOK }, { "fcc-save-hook", mutt_parse_hook, M_FCCHOOK | M_SAVEHOOK }, { "folder-hook", mutt_parse_hook, M_FOLDERHOOK }, +#ifdef USE_COMPRESSED + { "open-hook", mutt_parse_hook, M_OPENHOOK }, + { "close-hook", mutt_parse_hook, M_CLOSEHOOK }, + { "append-hook", mutt_parse_hook, M_APPENDHOOK }, +#endif { "group", parse_group, M_GROUP }, { "ungroup", parse_ungroup, M_UNGROUP }, { "hdr_order", parse_list, UL &HeaderOrderList }, diff -udprP mutt-1.5.19.orig/main.c mutt-1.5.19/main.c --- mutt-1.5.19.orig/main.c 2009-01-04 01:27:10.000000000 +0200 +++ mutt-1.5.19/main.c 2009-01-06 19:16:04.000000000 +0200 @@ -311,6 +311,12 @@ static void show_version (void) "-USE_GNU_REGEX " #endif +#ifdef USE_COMPRESSED + "+COMPRESSED " +#else + "-COMPRESSED " +#endif + "\n" #ifdef HAVE_COLOR diff -udprP mutt-1.5.19.orig/Makefile.am mutt-1.5.19/Makefile.am --- mutt-1.5.19.orig/Makefile.am 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/Makefile.am 2009-01-06 19:16:04.000000000 +0200 @@ -18,6 +18,7 @@ BUILT_SOURCES = keymap_defs.h patchlist. bin_PROGRAMS = mutt @DOTLOCK_TARGET@ @PGPAUX_TARGET@ mutt_SOURCES = \ addrbook.c alias.c attach.c base64.c browser.c buffy.c color.c \ + compress.c \ crypt.c cryptglue.c \ commands.c complete.c compose.c copy.c curs_lib.c curs_main.c date.c \ edit.c enter.c flags.c init.c filter.c from.c \ @@ -58,6 +59,7 @@ EXTRA_mutt_SOURCES = account.c bcache.c EXTRA_DIST = COPYRIGHT GPL OPS OPS.PGP OPS.CRYPT OPS.SMIME TODO UPDATING \ configure account.h \ + compress.h \ attach.h buffy.h charset.h copy.h crypthash.h dotlock.h functions.h gen_defs \ globals.h hash.h history.h init.h keymap.h mutt_crypt.h \ mailbox.h mapping.h md5.h mime.h mutt.h mutt_curses.h mutt_menu.h \ diff -udprP mutt-1.5.19.orig/Makefile.in mutt-1.5.19/Makefile.in --- mutt-1.5.19.orig/Makefile.in 2009-01-05 21:24:13.000000000 +0200 +++ mutt-1.5.19/Makefile.in 2009-01-06 19:16:04.000000000 +0200 @@ -14,6 +14,10 @@ @SET_MAKE@ +mutt_SOURCES += compress.c +EXTRA_DIST += compress.h +mutt_OBJECTS += compress.o + VPATH = @srcdir@ pkgdatadir = $(datadir)/@PACKAGE@ diff -udprP mutt-1.5.19.orig/mbox.c mutt-1.5.19/mbox.c --- mutt-1.5.19.orig/mbox.c 2008-08-15 21:30:12.000000000 +0300 +++ mutt-1.5.19/mbox.c 2009-01-06 19:16:04.000000000 +0200 @@ -29,6 +29,10 @@ #include "copy.h" #include "mutt_curses.h" +#ifdef USE_COMPRESSED +#include "compress.h" +#endif + #include #include #include @@ -1038,6 +1042,12 @@ bail: /* Come here in case of disaster int mbox_close_mailbox (CONTEXT *ctx) { mx_unlock_file (ctx->path, fileno (ctx->fp), 1); + +#ifdef USE_COMPRESSED + if (ctx->compressinfo) + mutt_slow_close_compressed (ctx); +#endif + mutt_unblock_signals (); mx_fastclose_mailbox (ctx); return 0; diff -udprP mutt-1.5.19.orig/mutt.h mutt-1.5.19/mutt.h --- mutt-1.5.19.orig/mutt.h 2008-09-26 01:00:03.000000000 +0300 +++ mutt-1.5.19/mutt.h 2009-01-06 19:16:04.000000000 +0200 @@ -140,6 +140,11 @@ typedef enum #define M_ACCOUNTHOOK (1<<9) #define M_REPLYHOOK (1<<10) #define M_SEND2HOOK (1<<11) +#ifdef USE_COMPRESSED +#define M_OPENHOOK (1<<12) +#define M_APPENDHOOK (1<<13) +#define M_CLOSEHOOK (1<<14) +#endif /* tree characters for linearize_tree and print_enriched_string */ #define M_TREE_LLCORNER 1 @@ -869,6 +874,11 @@ typedef struct _context unsigned char rights[(RIGHTSMAX + 7)/8]; /* ACL bits */ +#ifdef USE_COMPRESSED + void *compressinfo; /* compressed mbox module private data */ + char *realpath; /* path to compressed mailbox */ +#endif /* USE_COMPRESSED */ + unsigned int locked : 1; /* is the mailbox locked? */ unsigned int changed : 1; /* mailbox has been modified */ unsigned int readonly : 1; /* don't allow changes to the mailbox */ diff -udprP mutt-1.5.19.orig/mx.c mutt-1.5.19/mx.c --- mutt-1.5.19.orig/mx.c 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/mx.c 2009-01-06 19:16:04.000000000 +0200 @@ -30,6 +30,10 @@ #include "keymap.h" #include "url.h" +#ifdef USE_COMPRESSED +#include "compress.h" +#endif + #ifdef USE_IMAP #include "imap.h" #endif @@ -445,6 +449,11 @@ int mx_get_magic (const char *path) return (-1); } +#ifdef USE_COMPRESSED + if (magic == 0 && mutt_can_read_compressed (path)) + return M_COMPRESSED; +#endif + return (magic); } @@ -484,6 +493,13 @@ static int mx_open_mailbox_append (CONTE { struct stat sb; +#ifdef USE_COMPRESSED + /* special case for appending to compressed folders - + * even if we can not open them for reading */ + if (mutt_can_append_compressed (ctx->path)) + mutt_open_append_compressed (ctx); +#endif + ctx->append = 1; #ifdef USE_IMAP @@ -648,6 +664,11 @@ CONTEXT *mx_open_mailbox (const char *pa ctx->magic = mx_get_magic (path); +#ifdef USE_COMPRESSED + if (ctx->magic == M_COMPRESSED) + mutt_open_read_compressed (ctx); +#endif + if(ctx->magic == 0) mutt_error (_("%s is not a mailbox."), path); @@ -748,6 +769,10 @@ void mx_fastclose_mailbox (CONTEXT *ctx) mutt_free_header (&ctx->hdrs[i]); FREE (&ctx->hdrs); FREE (&ctx->v2r); +#ifdef USE_COMPRESSED + if (ctx->compressinfo) + mutt_fast_close_compressed (ctx); +#endif FREE (&ctx->path); FREE (&ctx->pattern); if (ctx->limit_pattern) @@ -800,6 +825,12 @@ static int sync_mailbox (CONTEXT *ctx, i if (tmp && tmp->new == 0) mutt_update_mailbox (tmp); + +#ifdef USE_COMPRESSED + if (rc == 0 && ctx->compressinfo) + return mutt_sync_compressed (ctx); +#endif + return rc; } @@ -1001,6 +1032,11 @@ int mx_close_mailbox (CONTEXT *ctx, int !mutt_is_spool(ctx->path) && !option (OPTSAVEEMPTY)) mx_unlink_empty (ctx->path); +#ifdef USE_COMPRESSED + if (ctx->compressinfo && mutt_slow_close_compressed (ctx)) + return (-1); +#endif + mx_fastclose_mailbox (ctx); return 0; @@ -1310,6 +1346,11 @@ int mx_check_mailbox (CONTEXT *ctx, int { int rc; +#ifdef USE_COMPRESSED + if (ctx->compressinfo) + return mutt_check_mailbox_compressed (ctx); +#endif + if (ctx) { if (ctx->locked) lock = 0; diff -udprP mutt-1.5.19.orig/mx.h mutt-1.5.19/mx.h --- mutt-1.5.19.orig/mx.h 2008-03-19 22:07:06.000000000 +0200 +++ mutt-1.5.19/mx.h 2009-01-06 19:16:04.000000000 +0200 @@ -40,6 +40,9 @@ enum M_MAILDIR, M_IMAP, M_POP +#ifdef USE_COMPRESSED + , M_COMPRESSED +#endif }; WHERE short DefaultMagic INITVAL (M_MBOX); diff -udprP mutt-1.5.19.orig/PATCHES mutt-1.5.19/PATCHES --- mutt-1.5.19.orig/PATCHES 2008-03-19 22:07:06.000000000 +0200 +++ mutt-1.5.19/PATCHES 2009-01-06 19:16:04.000000000 +0200 @@ -0,0 +1 @@ +rr.compressed diff -udprP mutt-1.5.19.orig/po/POTFILES.in mutt-1.5.19/po/POTFILES.in --- mutt-1.5.19.orig/po/POTFILES.in 2008-03-19 22:07:57.000000000 +0200 +++ mutt-1.5.19/po/POTFILES.in 2009-01-06 19:16:04.000000000 +0200 @@ -8,6 +8,7 @@ charset.c color.c commands.c compose.c +compress.c crypt-gpgme.c crypt.c cryptglue.c diff -udprP mutt-1.5.19.orig/status.c mutt-1.5.19/status.c --- mutt-1.5.19.orig/status.c 2009-01-05 21:20:53.000000000 +0200 +++ mutt-1.5.19/status.c 2009-01-06 19:16:04.000000000 +0200 @@ -96,6 +96,14 @@ status_format_str (char *buf, size_t buf case 'f': snprintf (fmt, sizeof(fmt), "%%%ss", prefix); +#ifdef USE_COMPRESSED + if (Context && Context->compressinfo && Context->realpath) + { + strfcpy (tmp, Context->realpath, sizeof (tmp)); + mutt_pretty_mailbox (tmp, sizeof (tmp)); + } + else +#endif if (Context && Context->path) { strfcpy (tmp, Context->path, sizeof (tmp));