2008-11-25 [colin] 3.6.1cvs42
[claws.git] / src / procmime.c
index 29f6a67b61464c364cbadcad769b93f00e5531b2..951fdd8ea134ad8630fb0c03b36c39fc81cc94db 100644 (file)
@@ -1,10 +1,10 @@
 /*
  * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2006 Hiroyuki Yamamoto & The Claws Mail Team
+ * Copyright (C) 1999-2007 Hiroyuki Yamamoto & The Claws Mail Team
  *
  * 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
+ * the Free Software Foundation; either version 3 of the License, or
  * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
@@ -13,8 +13,8 @@
  * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ * 
  */
 
 #ifdef HAVE_CONFIG_H
@@ -35,6 +35,7 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
+#include <errno.h>
 
 #include "procmime.h"
 #include "procheader.h"
 #include "prefs_common.h"
 #include "prefs_gtk.h"
 #include "alertpanel.h"
+#include "timing.h"
 
 static GHashTable *procmime_get_mime_type_table        (void);
+static MimeInfo *procmime_scan_file_short(const gchar *filename);
+static MimeInfo *procmime_scan_queue_file_short(const gchar *filename);
+static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan);
 
 MimeInfo *procmime_mimeinfo_new(void)
 {
@@ -105,7 +110,7 @@ static gboolean free_func(GNode *node, gpointer data)
        switch (mimeinfo->content) {
        case MIMECONTENT_FILE:
                if (mimeinfo->tmp)
-                       g_unlink(mimeinfo->data.filename);
+                       claws_unlink(mimeinfo->data.filename);
                g_free(mimeinfo->data.filename);
                break;
 
@@ -185,14 +190,12 @@ MimeInfo *procmime_scan_message(MsgInfo *msginfo)
 {
        gchar *filename;
        MimeInfo *mimeinfo;
-
+       START_TIMING("");
        filename = procmsg_get_message_file_path(msginfo);
        if (!filename || !is_file_exist(filename)) {
                g_free(filename);
-               filename = procmsg_get_message_file(msginfo);
-       }
-       if (!filename || !is_file_exist(filename)) 
                return NULL;
+       }
 
        if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
            !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
@@ -201,6 +204,28 @@ MimeInfo *procmime_scan_message(MsgInfo *msginfo)
                mimeinfo = procmime_scan_queue_file(filename);
        g_free(filename);
 
+       END_TIMING();
+       return mimeinfo;
+}
+
+MimeInfo *procmime_scan_message_short(MsgInfo *msginfo)
+{
+       gchar *filename;
+       MimeInfo *mimeinfo;
+
+       filename = procmsg_get_message_file_path(msginfo);
+       if (!filename || !is_file_exist(filename)) {
+               g_free(filename);
+               return NULL;
+       }
+
+       if (!folder_has_parent_of_type(msginfo->folder, F_QUEUE) &&
+           !folder_has_parent_of_type(msginfo->folder, F_DRAFT))
+               mimeinfo = procmime_scan_file_short(filename);
+       else
+               mimeinfo = procmime_scan_queue_file_short(filename);
+       g_free(filename);
+
        return mimeinfo;
 }
 
@@ -236,10 +261,13 @@ const gchar *procmime_mimeinfo_get_parameter(MimeInfo *mimeinfo, const gchar *na
                        /* this is flowed */                                    \
                        if (delsp)                                              \
                                lastline[llen-1] = '\0';                        \
-                       fputs(lastline, outfp);                                 \
+                       if (fputs(lastline, outfp) == EOF)                      \
+                               err = TRUE;                                     \
                } else {                                                        \
-                       fputs(lastline, outfp);                                 \
-                       fputs("\n", outfp);                                     \
+                       if (fputs(lastline, outfp) == EOF)                      \
+                               err = TRUE;                                     \
+                       if (fputs("\n", outfp) == EOF)                          \
+                               err = TRUE;                                     \
                }                                                               \
        }                                                                       \
        strcpy(lastline, buf);                                                  \
@@ -255,6 +283,8 @@ gboolean procmime_decode_content(MimeInfo *mimeinfo)
        gboolean tmp_file = FALSE;
        gboolean flowed = FALSE;
        gboolean delsp = FALSE; 
+       gboolean err = FALSE;
+
        EncodingType encoding = forced_encoding 
                                ? forced_encoding
                                : mimeinfo->encoding_type;
@@ -305,7 +335,8 @@ gboolean procmime_decode_content(MimeInfo *mimeinfo)
                        len = qp_decode_line(buf);
                        buf[len]='\0';
                        if (!flowed) {
-                               fwrite(buf, 1, len, outfp);
+                               if (fwrite(buf, 1, len, outfp) < len)
+                                       err = TRUE;
                        } else {
                                FLUSH_LASTLINE();
                        }
@@ -337,16 +368,18 @@ gboolean procmime_decode_content(MimeInfo *mimeinfo)
                        len = base64_decoder_decode(decoder, buf, outbuf);
                        if (len < 0 && !got_error) {
                                g_warning("Bad BASE64 content.\n");
-                               fwrite(_("[Error decoding BASE64]\n"),
+                               if (fwrite(_("[Error decoding BASE64]\n"),
                                        sizeof(gchar),
                                        strlen(_("[Error decoding BASE64]\n")),
-                                       tmpfp);
+                                       tmpfp) < strlen(_("[Error decoding BASE64]\n")))
+                                       g_warning("error decoding BASE64");
                                got_error = TRUE;
                                continue;
                        } else if (len >= 0) {
                                /* print out the error message only once 
                                 * per block */
-                               fwrite(outbuf, sizeof(gchar), len, tmpfp);
+                               if (fwrite(outbuf, sizeof(gchar), len, tmpfp) < len)
+                                       err = TRUE;
                                got_error = FALSE;
                        }
                }
@@ -356,7 +389,8 @@ gboolean procmime_decode_content(MimeInfo *mimeinfo)
                        rewind(tmpfp);
                        while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
                                strcrchomp(buf);
-                               fputs(buf, outfp);
+                               if (fputs(buf, outfp) == EOF)
+                                       err = TRUE;
                        }
                        fclose(tmpfp);
                }
@@ -375,28 +409,36 @@ gboolean procmime_decode_content(MimeInfo *mimeinfo)
                                                g_warning("Bad UUENCODE content(%d)\n", len);
                                        break;
                                }
-                               fwrite(outbuf, sizeof(gchar), len, outfp);
+                               if (fwrite(outbuf, sizeof(gchar), len, outfp) < len)
+                                       err = TRUE;
                        } else
                                flag = TRUE;
                }
        } else {
                while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
                        if (!flowed) {
-                               fputs(buf, outfp);
+                               if (fputs(buf, outfp) == EOF)
+                                       err = TRUE;
                        } else {
                                FLUSH_LASTLINE();
                        }
                }
                if (flowed)
                        FLUSH_LASTLINE();
+               if (err == TRUE)
+                       g_warning("write error");
        }
 
        fclose(outfp);
        fclose(infp);
 
-       stat(tmpfilename, &statbuf);
+       if (err == TRUE) {
+               return FALSE;
+       }
+
+       g_stat(tmpfilename, &statbuf);
        if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
-               g_unlink(mimeinfo->data.filename);
+               claws_unlink(mimeinfo->data.filename);
        g_free(mimeinfo->data.filename);
        mimeinfo->data.filename = tmpfilename;
        mimeinfo->tmp = TRUE;
@@ -416,6 +458,7 @@ gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
        gint len;
        gchar *tmpfilename;
        struct stat statbuf;
+       gboolean err = FALSE;
 
        if (mimeinfo->content == MIMECONTENT_EMPTY)
                return TRUE;
@@ -460,7 +503,7 @@ gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
                                }
                                if ((tmp_fp = g_fopen(tmp_file, "rb")) == NULL) {
                                        FILE_OP_ERROR(tmp_file, "fopen");
-                                       g_unlink(tmp_file);
+                                       claws_unlink(tmp_file);
                                        g_free(tmp_file);
                                        fclose(infp);
                                        return FALSE;
@@ -480,18 +523,22 @@ gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
                                    B64_LINE_SIZE, tmp_fp))
                       == B64_LINE_SIZE) {
                        base64_encode(outbuf, inbuf, B64_LINE_SIZE);
-                       fputs(outbuf, outfp);
-                       fputc('\n', outfp);
+                       if (fputs(outbuf, outfp) == EOF)
+                               err = TRUE;
+                       if (fputc('\n', outfp) == EOF)
+                               err = TRUE;
                }
                if (len > 0 && feof(tmp_fp)) {
                        base64_encode(outbuf, inbuf, len);
-                       fputs(outbuf, outfp);
-                       fputc('\n', outfp);
+                       if (fputs(outbuf, outfp) == EOF)
+                               err = TRUE;
+                       if (fputc('\n', outfp) == EOF)
+                               err = TRUE;
                }
 
                if (tmp_file) {
                        fclose(tmp_fp);
-                       g_unlink(tmp_file);
+                       claws_unlink(tmp_file);
                        g_free(tmp_file);
                }
        } else if (encoding == ENC_QUOTED_PRINTABLE) {
@@ -505,33 +552,41 @@ gboolean procmime_encode_content(MimeInfo *mimeinfo, EncodingType encoding)
                                
                                tmpbuf += sizeof("From ")-1;
                                
-                               fputs("=46rom ", outfp);
-                               fputs(tmpbuf, outfp);
-                       } else 
-                               fputs(outbuf, outfp);
+                               if (fputs("=46rom ", outfp) == EOF)
+                                       err = TRUE;
+                               if (fputs(tmpbuf, outfp) == EOF)
+                                       err = TRUE;
+                       } else {
+                               if (fputs(outbuf, outfp) == EOF)
+                                       err = TRUE;
+                       }
                }
        } else {
                gchar buf[BUFFSIZE];
 
                while (fgets(buf, sizeof(buf), infp) != NULL) {
                        strcrchomp(buf);
-                       fputs(buf, outfp);
+                       if (fputs(buf, outfp) == EOF)
+                               err = TRUE;
                }
        }
 
        fclose(outfp);
        fclose(infp);
 
+       if (err == TRUE)
+               return FALSE;
+
        if (mimeinfo->content == MIMECONTENT_FILE) {
                if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
-                       g_unlink(mimeinfo->data.filename);
+                       claws_unlink(mimeinfo->data.filename);
                g_free(mimeinfo->data.filename);
        } else if (mimeinfo->content == MIMECONTENT_MEM) {
                if (mimeinfo->tmp && (mimeinfo->data.mem != NULL))
                        g_free(mimeinfo->data.mem);
        }
 
-       stat(tmpfilename, &statbuf);
+       g_stat(tmpfilename, &statbuf);
        mimeinfo->content = MIMECONTENT_FILE;
        mimeinfo->data.filename = tmpfilename;
        mimeinfo->tmp = TRUE;
@@ -547,150 +602,64 @@ gint procmime_get_part(const gchar *outfile, MimeInfo *mimeinfo)
        FILE *infp, *outfp;
        gchar buf[BUFFSIZE];
        gint restlength, readlength;
+       gint saved_errno = 0;
 
        g_return_val_if_fail(outfile != NULL, -1);
        g_return_val_if_fail(mimeinfo != NULL, -1);
 
        if (mimeinfo->encoding_type != ENC_BINARY && !procmime_decode_content(mimeinfo))
-               return -1;
+               return -EINVAL;
 
        if ((infp = g_fopen(mimeinfo->data.filename, "rb")) == NULL) {
+               saved_errno = errno;
                FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
-               return -1;
+               return -(saved_errno);
        }
        if (fseek(infp, mimeinfo->offset, SEEK_SET) < 0) {
+               saved_errno = errno;
                FILE_OP_ERROR(mimeinfo->data.filename, "fseek");
                fclose(infp);
-               return -1;
+               return -(saved_errno);
        }
        if ((outfp = g_fopen(outfile, "wb")) == NULL) {
+               saved_errno = errno;
                FILE_OP_ERROR(outfile, "fopen");
                fclose(infp);
-               return -1;
+               return -(saved_errno);
        }
 
        restlength = mimeinfo->length;
 
        while ((restlength > 0) && ((readlength = fread(buf, 1, restlength > BUFFSIZE ? BUFFSIZE : restlength, infp)) > 0)) {
-               fwrite(buf, 1, readlength, outfp);
+               if (fwrite(buf, 1, readlength, outfp) != readlength) {
+                       saved_errno = errno;
+                       fclose(outfp);
+                       return -(saved_errno);
+               }
                restlength -= readlength;
        }
 
        fclose(infp);
        if (fclose(outfp) == EOF) {
+               saved_errno = errno;
                FILE_OP_ERROR(outfile, "fclose");
-               g_unlink(outfile);
-               return -1;
+               claws_unlink(outfile);
+               return -(saved_errno);
        }
 
        return 0;
 }
 
-struct ContentRenderer {
-       char * content_type;
-       char * renderer;
-};
-
-static GList * renderer_list = NULL;
-
-static struct ContentRenderer *
-content_renderer_new(char * content_type, char * renderer)
-{
-       struct ContentRenderer * cr;
-
-       cr = g_new(struct ContentRenderer, 1);
-       if (cr == NULL)
-               return NULL;
-
-       cr->content_type = g_strdup(content_type);
-       cr->renderer = g_strdup(renderer);
-
-       return cr;
-}
-
-static void content_renderer_free(struct ContentRenderer * cr)
-{
-       g_free(cr->content_type);
-       g_free(cr->renderer);
-       g_free(cr);
-}
-
-void renderer_read_config(void)
-{
-       gchar buf[BUFFSIZE];
-       FILE * f;
-       gchar * rcpath;
-
-       g_list_foreach(renderer_list, (GFunc) content_renderer_free, NULL);
-       renderer_list = NULL;
-
-       rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
-       f = g_fopen(rcpath, "rb");
-       g_free(rcpath);
-       
-       if (f == NULL)
-               return;
-
-       while (fgets(buf, BUFFSIZE, f)) {
-               char * p;
-               struct ContentRenderer * cr;
-
-               strretchomp(buf);
-               p = strchr(buf, ' ');
-               if (p == NULL)
-                       continue;
-               * p = 0;
-
-               cr = content_renderer_new(buf, p + 1);
-               if (cr == NULL)
-                       continue;
-
-               renderer_list = g_list_append(renderer_list, cr);
-       }
-
-       fclose(f);
-}
-
-void renderer_write_config(void)
-{
-       gchar * rcpath;
-       PrefFile *pfile;
-       GList * cur;
-
-       rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, RENDERER_RC, NULL);
-       
-       if ((pfile = prefs_write_open(rcpath)) == NULL) {
-               g_warning("failed to write configuration to file\n");
-               g_free(rcpath);
-               return;
-       }
-
-       g_free(rcpath);
-
-       for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
-               struct ContentRenderer * renderer;
-               renderer = cur->data;
-               fprintf(pfile->fp, "%s %s\n", renderer->content_type,
-                       renderer->renderer);
-       }
-
-       if (prefs_file_close(pfile) < 0) {
-               g_warning("failed to write configuration to file\n");
-               return;
-       }
-}
-
-FILE *procmime_get_text_content(MimeInfo *mimeinfo)
+static FILE *procmime_get_text_content(MimeInfo *mimeinfo)
 {
        FILE *tmpfp, *outfp;
        const gchar *src_codeset;
        gboolean conv_fail = FALSE;
        gchar buf[BUFFSIZE];
        gchar *str;
-       struct ContentRenderer * renderer;
-       GList * cur;
-       gchar *tmpfile, *content_type;
-    
+       gchar *tmpfile;
+       gboolean err = FALSE;
+
        g_return_val_if_fail(mimeinfo != NULL, NULL);
 
        if (!procmime_decode_content(mimeinfo))
@@ -722,50 +691,18 @@ FILE *procmime_get_text_content(MimeInfo *mimeinfo)
                      ? forced_charset : 
                      procmime_mimeinfo_get_parameter(mimeinfo, "charset");
 
-       renderer = NULL;
+       if (!forced_charset && src_codeset && !strcasecmp(src_codeset, CS_ISO_8859_1))
+               src_codeset = CS_WINDOWS_1252;
 
-       content_type = procmime_get_content_type_str(mimeinfo->type,
-                                                    mimeinfo->subtype);
-       for (cur = renderer_list ; cur != NULL ; cur = cur->next) {
-               struct ContentRenderer * cr;
-
-               cr = cur->data;
-               if (g_ascii_strcasecmp(cr->content_type, content_type) == 0) {
-                       renderer = cr;
-                       break;
-               }
-       }
-       g_free(content_type);
-
-       if (renderer != NULL) {
-               FILE * p;
-               int oldout;
-               
-               oldout = dup(1);
-               
-               dup2(fileno(outfp), 1);
-
-               p = popen(renderer->renderer, "w");
-               if (p != NULL) {
-                       size_t count;
-                       
-                       while ((count =
-                               fread(buf, sizeof(char), sizeof(buf),
-                                     tmpfp)) > 0)
-                               fwrite(buf, sizeof(char), count, p);
-                       pclose(p);
-               }
-               
-               dup2(oldout, 1);
-/* CodeConverter seems to have no effect here */
-       } else if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
+       if (mimeinfo->type == MIMETYPE_TEXT && !g_ascii_strcasecmp(mimeinfo->subtype, "html")) {
                SC_HTMLParser *parser;
                CodeConverter *conv;
 
                conv = conv_code_converter_new(src_codeset);
                parser = sc_html_parser_new(tmpfp, conv);
                while ((str = sc_html_parse(parser)) != NULL) {
-                       fputs(str, outfp);
+                       if (fputs(str, outfp) == EOF)
+                               err = TRUE;
                }
                sc_html_parser_destroy(parser);
                conv_code_converter_destroy(conv);
@@ -776,7 +713,8 @@ FILE *procmime_get_text_content(MimeInfo *mimeinfo)
                conv = conv_code_converter_new(src_codeset);
                parser = ertf_parser_new(tmpfp, conv);
                while ((str = ertf_parse(parser)) != NULL) {
-                       fputs(str, outfp);
+                       if (fputs(str, outfp) == EOF)
+                               err = TRUE;
                }
                ertf_parser_destroy(parser);
                conv_code_converter_destroy(conv);
@@ -784,11 +722,13 @@ FILE *procmime_get_text_content(MimeInfo *mimeinfo)
                while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
                        str = conv_codeset_strdup(buf, src_codeset, CS_UTF_8);
                        if (str) {
-                               fputs(str, outfp);
+                               if (fputs(str, outfp) == EOF)
+                                       err = TRUE;
                                g_free(str);
                        } else {
                                conv_fail = TRUE;
-                               fputs(buf, outfp);
+                               if (fputs(buf, outfp) == EOF)
+                                       err = TRUE;
                        }
                }
        }
@@ -798,9 +738,14 @@ FILE *procmime_get_text_content(MimeInfo *mimeinfo)
 
        fclose(tmpfp);
        rewind(outfp);
-       g_unlink(tmpfile);
+       claws_unlink(tmpfile);
        g_free(tmpfile);
 
+       if (err == TRUE) {
+               fclose(outfp);
+               return NULL;
+       }
+
        return outfp;
 }
 
@@ -810,21 +755,42 @@ FILE *procmime_get_first_text_content(MsgInfo *msginfo)
 {
        FILE *outfp = NULL;
        MimeInfo *mimeinfo, *partinfo;
-
+       gboolean empty_ok = FALSE, short_scan = TRUE;
+       START_TIMING("");
        g_return_val_if_fail(msginfo != NULL, NULL);
 
-       mimeinfo = procmime_scan_message(msginfo);
+       /* first we try to short-scan (for speed), refusing empty parts */
+scan_again:
+       if (short_scan)
+               mimeinfo = procmime_scan_message_short(msginfo);
+       else
+               mimeinfo = procmime_scan_message(msginfo);
        if (!mimeinfo) return NULL;
 
        partinfo = mimeinfo;
-       while (partinfo && partinfo->type != MIMETYPE_TEXT) {
+       while (partinfo && (partinfo->type != MIMETYPE_TEXT ||
+              (partinfo->length == 0 && !empty_ok))) {
                partinfo = procmime_mimeinfo_next(partinfo);
        }
        if (partinfo)
                outfp = procmime_get_text_content(partinfo);
-
+       else if (!empty_ok && short_scan) {
+               /* if short scan didn't find a non-empty part, rescan
+                * fully for non-empty parts
+                */
+               short_scan = FALSE;
+               procmime_mimeinfo_free_all(mimeinfo);
+               goto scan_again;
+       } else if (!empty_ok && !short_scan) {
+               /* if full scan didn't find a non-empty part, rescan
+                * accepting empty parts 
+                */
+               empty_ok = TRUE;
+               procmime_mimeinfo_free_all(mimeinfo);
+               goto scan_again;
+       }
        procmime_mimeinfo_free_all(mimeinfo);
-
+       END_TIMING();
        return outfp;
 }
 
@@ -878,6 +844,8 @@ FILE *procmime_get_first_encrypted_text_content(MsgInfo *msginfo)
        partinfo = mimeinfo;
        while (partinfo && partinfo->type != MIMETYPE_TEXT) {
                partinfo = procmime_mimeinfo_next(partinfo);
+               if (privacy_mimeinfo_is_signed(partinfo))
+                       procmsg_msginfo_set_flags(msginfo, 0, MSG_SIGNED);
        }
 
        if (partinfo)
@@ -907,7 +875,7 @@ gboolean procmime_msginfo_is_encrypted(MsgInfo *msginfo)
        return result;
 }
 
-gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
+static gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
                                   const gchar *str, StrFindFunc find_func)
 {
        FILE *outfp;
@@ -1010,34 +978,45 @@ static GList *mime_type_list = NULL;
 
 gchar *procmime_get_mime_type(const gchar *filename)
 {
-       static GHashTable *mime_type_table = NULL;
-       MimeType *mime_type;
        const gchar *p;
        gchar *ext = NULL;
        gchar *base;
+#ifndef G_OS_WIN32
+       static GHashTable *mime_type_table = NULL;
+       MimeType *mime_type;
 
        if (!mime_type_table) {
                mime_type_table = procmime_get_mime_type_table();
                if (!mime_type_table) return NULL;
        }
+#endif
+
+       if (filename == NULL)
+               return NULL;
 
        base = g_path_get_basename(filename);
        if ((p = strrchr(base, '.')) != NULL)
-               Xstrdup_a(ext, p + 1, p = NULL );
+               ext = g_utf8_strdown(p + 1, -1);
        g_free(base);
-       if (!p) return NULL;
 
-       g_strdown(ext);
+#ifndef G_OS_WIN32
        mime_type = g_hash_table_lookup(mime_type_table, ext);
+       
        if (mime_type) {
                gchar *str;
-
                str = g_strconcat(mime_type->type, "/", mime_type->sub_type,
                                  NULL);
+               debug_print("got type %s for %s\n", str, ext);
+               g_free(ext);
                return str;
-       }
-
+       } 
        return NULL;
+#else
+       gchar *str = get_content_type_from_registry_with_ext(ext);
+
+       g_free(ext);
+       return str;
+#endif
 }
 
 static guint procmime_str_hash(gconstpointer gptr)
@@ -1085,8 +1064,6 @@ static GHashTable *procmime_get_mime_type_table(void)
 
                exts = g_strsplit(mime_type->extension, " ", 16);
                for (i = 0; exts[i] != NULL; i++) {
-                       /* make the key case insensitive */
-                       g_strdown(exts[i]);
                        /* use previously dup'd key on overwriting */
                        if (g_hash_table_lookup(table, exts[i]))
                                key = exts[i];
@@ -1113,7 +1090,12 @@ GList *procmime_get_mime_type_list(void)
        if (mime_type_list) 
                return mime_type_list;
        
-       if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL) {
+#if defined(__NetBSD__) || defined(__OpenBSD__) || defined(__FreeBSD__)
+       if ((fp = g_fopen(DATAROOTDIR "/mime/globs", "rb")) == NULL) 
+#else
+       if ((fp = g_fopen("/usr/share/mime/globs", "rb")) == NULL) 
+#endif
+       {
                fp_is_glob_file = FALSE;
                if ((fp = g_fopen("/etc/mime.types", "rb")) == NULL) {
                        if ((fp = g_fopen(SYSCONFDIR "/mime.types", "rb")) 
@@ -1157,7 +1139,7 @@ GList *procmime_get_mime_type_list(void)
                }
 
                if (*p)
-                       mime_type->extension = g_strdup(p);
+                       mime_type->extension = g_utf8_strdown(p, -1);
                else
                        mime_type->extension = NULL;
 
@@ -1229,7 +1211,7 @@ EncodingType procmime_get_encoding_for_text_file(const gchar *file, gboolean *ha
                octet_percentage = 0.0;
 
        debug_print("procmime_get_encoding_for_text_file(): "
-                   "8bit chars: %d / %d (%f%%)\n", octet_chars, total_len,
+                   "8bit chars: %zd / %zd (%f%%)\n", octet_chars, total_len,
                    100.0 * octet_percentage);
 
        if (octet_percentage > 0.20 || force_b64) {
@@ -1333,11 +1315,14 @@ static int procmime_parse_mimepart(MimeInfo *parent,
                             gchar *content_id,
                             gchar *content_disposition,
                             gchar *content_location,
+                            const gchar *original_msgid,
+                            const gchar *disposition_notification_hdr,
                             const gchar *filename,
                             guint offset,
-                            guint length);
+                            guint length,
+                            gboolean short_scan);
 
-void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
+static void procmime_parse_message_rfc822(MimeInfo *mimeinfo, gboolean short_scan)
 {
        HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
                                {"Content-Transfer-Encoding:",
@@ -1352,10 +1337,15 @@ void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
                                                   NULL, TRUE},
                                {"MIME-Version:",
                                                   NULL, TRUE},
+                               {"Original-Message-ID:",
+                                                  NULL, TRUE},
+                               {"Disposition:",
+                                                  NULL, TRUE},
                                {NULL,             NULL, FALSE}};
        guint content_start, i;
        FILE *fp;
         gchar *tmp;
+       gint len = 0;
 
        procmime_decode_content(mimeinfo);
 
@@ -1386,15 +1376,30 @@ void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
                 g_free(hentry[5].body);
                 hentry[5].body = tmp;
         }                
+       if (hentry[7].body != NULL) {
+                tmp = conv_unmime_header(hentry[7].body, NULL);
+                g_free(hentry[7].body);
+                hentry[7].body = tmp;
+        }
+       if (hentry[8].body != NULL) {
+                tmp = conv_unmime_header(hentry[8].body, NULL);
+                g_free(hentry[8].body);
+                hentry[8].body = tmp;
+        }
+  
        content_start = ftell(fp);
        fclose(fp);
        
+       len = mimeinfo->length - (content_start - mimeinfo->offset);
+       if (len < 0)
+               len = 0;
        procmime_parse_mimepart(mimeinfo,
                                hentry[0].body, hentry[1].body,
                                hentry[2].body, hentry[3].body,
                                hentry[4].body, hentry[5].body,
+                               hentry[7].body, hentry[8].body, 
                                mimeinfo->data.filename, content_start,
-                               mimeinfo->length - (content_start - mimeinfo->offset));
+                               len, short_scan);
        
        for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
                g_free(hentry[i].body);
@@ -1402,7 +1407,111 @@ void procmime_parse_message_rfc822(MimeInfo *mimeinfo)
        }
 }
 
-void procmime_parse_multipart(MimeInfo *mimeinfo)
+static void procmime_parse_disposition_notification(MimeInfo *mimeinfo, 
+               const gchar *original_msgid, const gchar *disposition_notification_hdr,
+               gboolean short_scan)
+{
+       HeaderEntry hentry[] = {{"Original-Message-ID:",  NULL, TRUE},
+                               {"Disposition:",          NULL, TRUE},
+                               {NULL,                    NULL, FALSE}};
+       guint i;
+       FILE *fp;
+       gchar *orig_msg_id = NULL;
+       gchar *disp = NULL;
+
+       procmime_decode_content(mimeinfo);
+
+       debug_print("parse disposition notification\n");
+       fp = g_fopen(mimeinfo->data.filename, "rb");
+       if (fp == NULL) {
+               FILE_OP_ERROR(mimeinfo->data.filename, "fopen");
+               return;
+       }
+       fseek(fp, mimeinfo->offset, SEEK_SET);
+
+       if (original_msgid && disposition_notification_hdr) {
+               hentry[0].body = g_strdup(original_msgid);
+               hentry[1].body = g_strdup(disposition_notification_hdr);
+       } else {
+               procheader_get_header_fields(fp, hentry);
+       }
+
+       if (!hentry[0].body || !hentry[1].body) {
+               debug_print("MsgId %s, Disp %s\n",
+                       hentry[0].body ? hentry[0].body:"(nil)",
+                       hentry[1].body ? hentry[1].body:"(nil)");
+               goto bail;
+       }
+
+       orig_msg_id = g_strdup(hentry[0].body);
+       disp = g_strdup(hentry[1].body);
+
+       extract_parenthesis(orig_msg_id, '<', '>');
+       remove_space(orig_msg_id);
+       
+       if (strstr(disp, "displayed")) {
+               /* find sent message, if possible */
+               MsgInfo *info = NULL;
+               GList *flist;
+               debug_print("%s has been displayed.\n", orig_msg_id);
+               for (flist = folder_get_list(); flist != NULL; flist = g_list_next(flist)) {
+                       FolderItem *outbox = ((Folder *)(flist->data))->outbox;
+                       if (!outbox) {
+                               debug_print("skipping folder with no outbox...\n");
+                               continue;
+                       }
+                       info = folder_item_get_msginfo_by_msgid(outbox, orig_msg_id);
+                       debug_print("%s %s in %s\n", info?"found":"didn't find", orig_msg_id, outbox->path);
+                       if (info) {
+                               procmsg_msginfo_set_flags(info, MSG_RETRCPT_GOT, 0);
+                               procmsg_msginfo_free(info);
+                       }
+               }
+       }
+       g_free(orig_msg_id);
+       g_free(disp);
+bail:
+       for (i = 0; i < (sizeof hentry / sizeof hentry[0]); i++) {
+               g_free(hentry[i].body);
+               hentry[i].body = NULL;
+       }
+}
+
+#define GET_HEADERS() {                                                \
+       procheader_get_header_fields(fp, hentry);               \
+        if (hentry[0].body != NULL) {                          \
+                tmp = conv_unmime_header(hentry[0].body, NULL);        \
+                g_free(hentry[0].body);                                \
+                hentry[0].body = tmp;                          \
+        }                                                      \
+        if (hentry[2].body != NULL) {                          \
+                tmp = conv_unmime_header(hentry[2].body, NULL);        \
+                g_free(hentry[2].body);                                \
+                hentry[2].body = tmp;                          \
+        }                                                      \
+        if (hentry[4].body != NULL) {                          \
+                tmp = conv_unmime_header(hentry[4].body, NULL);        \
+                g_free(hentry[4].body);                                \
+                hentry[4].body = tmp;                          \
+        }                                                      \
+        if (hentry[5].body != NULL) {                          \
+                tmp = conv_unmime_header(hentry[5].body, NULL);        \
+                g_free(hentry[5].body);                                \
+                hentry[5].body = tmp;                          \
+        }                                                      \
+       if (hentry[6].body != NULL) {                           \
+                tmp = conv_unmime_header(hentry[6].body, NULL);        \
+                g_free(hentry[6].body);                                \
+                hentry[6].body = tmp;                          \
+        }                                                      \
+       if (hentry[7].body != NULL) {                           \
+                tmp = conv_unmime_header(hentry[7].body, NULL);        \
+                g_free(hentry[7].body);                                \
+                hentry[7].body = tmp;                          \
+        }                                                      \
+}
+
+static void procmime_parse_multipart(MimeInfo *mimeinfo, gboolean short_scan)
 {
        HeaderEntry hentry[] = {{"Content-Type:",  NULL, TRUE},
                                {"Content-Transfer-Encoding:",
@@ -1415,6 +1524,10 @@ void procmime_parse_multipart(MimeInfo *mimeinfo)
                                                   NULL, TRUE},
                                {"Content-Location:",
                                                   NULL, TRUE},
+                               {"Original-Message-ID:",
+                                                  NULL, TRUE},
+                               {"Disposition:",
+                                                  NULL, TRUE},
                                {NULL,             NULL, FALSE}};
        gchar *p, *tmp;
        gchar *boundary;
@@ -1422,6 +1535,7 @@ void procmime_parse_multipart(MimeInfo *mimeinfo)
        gchar buf[BUFFSIZE];
        FILE *fp;
        int result = 0;
+       gboolean done = FALSE;
 
        boundary = g_hash_table_lookup(mimeinfo->typeparameters, "boundary");
        if (!boundary)
@@ -1442,43 +1556,31 @@ void procmime_parse_multipart(MimeInfo *mimeinfo)
 
                if (IS_BOUNDARY(buf, boundary, boundary_len)) {
                        if (lastoffset != -1) {
+                               gint len = (ftell(fp) - strlen(buf)) - lastoffset - 1;
+                               if (len < 0)
+                                       len = 0;
                                result = procmime_parse_mimepart(mimeinfo,
                                                        hentry[0].body, hentry[1].body,
                                                        hentry[2].body, hentry[3].body, 
                                                        hentry[4].body, hentry[5].body,
+                                                       hentry[6].body, hentry[7].body,
                                                        mimeinfo->data.filename, lastoffset,
-                                                       (ftell(fp) - strlen(buf)) - lastoffset - 1);
-                       }
+                                                       len, short_scan);
+                               if (result == 1 && short_scan) {
+                                       done = TRUE;
+                                       break;
+                               }
+                       } 
                        
                        if (buf[2 + boundary_len]     == '-' &&
-                           buf[2 + boundary_len + 1] == '-')
+                           buf[2 + boundary_len + 1] == '-') {
                                break;
-
+                       }
                        for (i = 0; i < (sizeof hentry / sizeof hentry[0]) ; i++) {
                                g_free(hentry[i].body);
                                hentry[i].body = NULL;
                        }
-                       procheader_get_header_fields(fp, hentry);
-                        if (hentry[0].body != NULL) {
-                                tmp = conv_unmime_header(hentry[0].body, NULL);
-                                g_free(hentry[0].body);
-                                hentry[0].body = tmp;
-                        }                
-                        if (hentry[2].body != NULL) {
-                                tmp = conv_unmime_header(hentry[2].body, NULL);
-                                g_free(hentry[2].body);
-                                hentry[2].body = tmp;
-                        }                
-                        if (hentry[4].body != NULL) {
-                                tmp = conv_unmime_header(hentry[4].body, NULL);
-                                g_free(hentry[4].body);
-                                hentry[4].body = tmp;
-                        }                
-                        if (hentry[5].body != NULL) {
-                                tmp = conv_unmime_header(hentry[5].body, NULL);
-                                g_free(hentry[5].body);
-                                hentry[5].body = tmp;
-                        }                
+                       GET_HEADERS();
                        lastoffset = ftell(fp);
                }
        }
@@ -1498,7 +1600,7 @@ static void parse_parameters(const gchar *parameters, GHashTable *table)
        param = params;
        next = params;
        for (; next != NULL; param = next) {
-               gchar *attribute, *value, *tmp;
+               gchar *attribute, *value, *tmp, *down_attr, *orig_down_attr;
                gint len;
                gboolean convert = FALSE;
 
@@ -1520,14 +1622,15 @@ static void parse_parameters(const gchar *parameters, GHashTable *table)
                while (value[0] == ' ')
                        value++;
 
-               g_strdown(attribute);
-
-               len = strlen(attribute);
-               if (attribute[len - 1] == '*') {
+               down_attr = g_utf8_strdown(attribute, -1);
+               orig_down_attr = down_attr;
+       
+               len = strlen(down_attr);
+               if (down_attr[len - 1] == '*') {
                        gchar *srcpos, *dstpos, *endpos;
 
                        convert = TRUE;
-                       attribute[len - 1] = '\0';
+                       down_attr[len - 1] = '\0';
 
                        srcpos = value;
                        dstpos = value;
@@ -1555,11 +1658,11 @@ static void parse_parameters(const gchar *parameters, GHashTable *table)
                                *tmp = '\0';
                }
 
-               if (attribute) {
-                       while (attribute[0] == ' ')
-                               attribute++;
-                       while (attribute[strlen(attribute)-1] == ' ') 
-                               attribute[strlen(attribute)-1] = '\0';
+               if (down_attr) {
+                       while (down_attr[0] == ' ')
+                               down_attr++;
+                       while (down_attr[strlen(down_attr)-1] == ' ') 
+                               down_attr[strlen(down_attr)-1] = '\0';
                } 
                if (value) {
                        while (value[0] == ' ')
@@ -1567,28 +1670,29 @@ static void parse_parameters(const gchar *parameters, GHashTable *table)
                        while (value[strlen(value)-1] == ' ') 
                                value[strlen(value)-1] = '\0';
                }               
-               if (strrchr(attribute, '*') != NULL) {
+               if (strrchr(down_attr, '*') != NULL) {
                        gchar *tmpattr;
 
-                       tmpattr = g_strdup(attribute);
+                       tmpattr = g_strdup(down_attr);
                        tmp = strrchr(tmpattr, '*');
                        tmp[0] = '\0';
 
                        if ((tmp[1] == '0') && (tmp[2] == '\0') && 
-                           (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
+                           (g_slist_find_custom(concatlist, down_attr, g_str_equal) == NULL))
                                concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
 
-                       if (convert && (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL))
+                       if (convert && (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL))
                                convlist = g_slist_prepend(convlist, g_strdup(tmpattr));
 
                        g_free(tmpattr);
                } else if (convert) {
-                       if (g_slist_find_custom(convlist, attribute, g_str_equal) == NULL)
-                               convlist = g_slist_prepend(convlist, g_strdup(attribute));
+                       if (g_slist_find_custom(convlist, down_attr, g_str_equal) == NULL)
+                               convlist = g_slist_prepend(convlist, g_strdup(down_attr));
                }
 
-               if (g_hash_table_lookup(table, attribute) == NULL)
-                       g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
+               if (g_hash_table_lookup(table, down_attr) == NULL)
+                       g_hash_table_insert(table, g_strdup(down_attr), g_strdup(value));
+               g_free(orig_down_attr);
        }
 
        for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
@@ -1679,7 +1783,7 @@ static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mim
                }
 
                mimeinfo->type = procmime_get_media_type(type);
-               mimeinfo->subtype = g_strdup(subtype);
+               mimeinfo->subtype = g_strstrip(g_strdup(subtype));
 
                /* Get mimeinfo->typeparameters */
                if (params != NULL)
@@ -1731,6 +1835,37 @@ static void procmime_parse_content_encoding(const gchar *content_encoding, MimeI
        return;
 }
 
+static GSList *registered_parsers = NULL;
+
+static MimeParser *procmime_get_mimeparser_for_type(MimeMediaType type, const gchar *sub_type)
+{
+       GSList *cur;
+       for (cur = registered_parsers; cur; cur = cur->next) {
+               MimeParser *parser = (MimeParser *)cur->data;
+               if (parser->type == type && !strcmp2(parser->sub_type, sub_type))
+                       return parser;
+       }
+       return NULL;
+}
+
+void procmime_mimeparser_register(MimeParser *parser)
+{
+       if (!procmime_get_mimeparser_for_type(parser->type, parser->sub_type))
+               registered_parsers = g_slist_append(registered_parsers, parser);
+}
+
+
+void procmime_mimeparser_unregister(MimeParser *parser) 
+{
+       registered_parsers = g_slist_remove(registered_parsers, parser);
+}
+
+static gboolean procmime_mimeparser_parse(MimeParser *parser, MimeInfo *mimeinfo)
+{
+       g_return_val_if_fail(parser->parse != NULL, FALSE);
+       return parser->parse(parser, mimeinfo); 
+}
+
 static int procmime_parse_mimepart(MimeInfo *parent,
                             gchar *content_type,
                             gchar *content_encoding,
@@ -1738,11 +1873,17 @@ static int procmime_parse_mimepart(MimeInfo *parent,
                             gchar *content_id,
                             gchar *content_disposition,
                             gchar *content_location,
+                            const gchar *original_msgid,
+                            const gchar *disposition_notification_hdr,
                             const gchar *filename,
                             guint offset,
-                            guint length)
+                            guint length,
+                            gboolean short_scan)
 {
        MimeInfo *mimeinfo;
+       MimeParser *parser = NULL;
+       gboolean parsed = FALSE;
+       int result = 0;
 
        /* Create MimeInfo */
        mimeinfo = procmime_mimeinfo_new();
@@ -1803,22 +1944,45 @@ static int procmime_parse_mimepart(MimeInfo *parent,
                mimeinfo->disposition = DISPOSITIONTYPE_UNKNOWN;
 
        /* Call parser for mime type */
-       switch (mimeinfo->type) {
+       if ((parser = procmime_get_mimeparser_for_type(mimeinfo->type, mimeinfo->subtype)) != NULL) {
+               parsed = procmime_mimeparser_parse(parser, mimeinfo);
+       } 
+       if (!parsed) {
+               switch (mimeinfo->type) {
+               case MIMETYPE_TEXT:
+                       if (g_ascii_strcasecmp(mimeinfo->subtype, "plain") == 0 && short_scan) {
+                               return 1;
+                       }
+                       break;
+
                case MIMETYPE_MESSAGE:
                        if (g_ascii_strcasecmp(mimeinfo->subtype, "rfc822") == 0) {
-                               procmime_parse_message_rfc822(mimeinfo);
+                               procmime_parse_message_rfc822(mimeinfo, short_scan);
+                       }
+                       if (g_ascii_strcasecmp(mimeinfo->subtype, "disposition-notification") == 0) {
+                               procmime_parse_disposition_notification(mimeinfo, 
+                                       original_msgid, disposition_notification_hdr, short_scan);
                        }
                        break;
                        
                case MIMETYPE_MULTIPART:
-                       procmime_parse_multipart(mimeinfo);
+                       procmime_parse_multipart(mimeinfo, short_scan);
+                       break;
+               
+               case MIMETYPE_APPLICATION:
+                       if (g_ascii_strcasecmp(mimeinfo->subtype, "octet-stream") == 0
+                       && original_msgid && *original_msgid 
+                       && disposition_notification_hdr && *disposition_notification_hdr) {
+                               procmime_parse_disposition_notification(mimeinfo, 
+                                       original_msgid, disposition_notification_hdr, short_scan);
+                       }
                        break;
-                       
                default:
                        break;
+               }
        }
 
-       return 0;
+       return result;
 }
 
 static gchar *typenames[] = {
@@ -1839,8 +2003,8 @@ static gboolean output_func(GNode *node, gpointer data)
 
        depth = g_node_depth(node);
        for (i = 0; i < depth; i++)
-               printf("    ");
-       printf("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
+               g_print("    ");
+       g_print("%s/%s (offset:%d length:%d encoding: %d)\n", typenames[mimeinfo->type], mimeinfo->subtype, mimeinfo->offset, mimeinfo->length, mimeinfo->encoding_type);
 
        return FALSE;
 }
@@ -1850,12 +2014,12 @@ static void output_mime_structure(MimeInfo *mimeinfo, int indent)
        g_node_traverse(mimeinfo->node, G_PRE_ORDER, G_TRAVERSE_ALL, -1, output_func, NULL);
 }
 
-MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
+static MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset, gboolean short_scan)
 {
        MimeInfo *mimeinfo;
        struct stat buf;
 
-       stat(filename, &buf);
+       g_stat(filename, &buf);
 
        mimeinfo = procmime_mimeinfo_new();
        mimeinfo->content = MIMECONTENT_FILE;
@@ -1866,25 +2030,35 @@ MimeInfo *procmime_scan_file_with_offset(const gchar *filename, int offset)
        mimeinfo->offset = offset;
        mimeinfo->length = buf.st_size - offset;
 
-       procmime_parse_message_rfc822(mimeinfo);
+       procmime_parse_message_rfc822(mimeinfo, short_scan);
        if (debug_get_mode())
                output_mime_structure(mimeinfo, 0);
 
        return mimeinfo;
 }
 
-MimeInfo *procmime_scan_file(const gchar *filename)
+static MimeInfo *procmime_scan_file_full(const gchar *filename, gboolean short_scan)
 {
        MimeInfo *mimeinfo;
 
        g_return_val_if_fail(filename != NULL, NULL);
 
-       mimeinfo = procmime_scan_file_with_offset(filename, 0);
+       mimeinfo = procmime_scan_file_with_offset(filename, 0, short_scan);
 
        return mimeinfo;
 }
 
-MimeInfo *procmime_scan_queue_file(const gchar *filename)
+MimeInfo *procmime_scan_file(const gchar *filename)
+{
+       return procmime_scan_file_full(filename, FALSE);
+}
+
+static MimeInfo *procmime_scan_file_short(const gchar *filename)
+{
+       return procmime_scan_file_full(filename, TRUE);
+}
+
+static MimeInfo *procmime_scan_queue_file_full(const gchar *filename, gboolean short_scan)
 {
        FILE *fp;
        MimeInfo *mimeinfo;
@@ -1918,22 +2092,32 @@ MimeInfo *procmime_scan_queue_file(const gchar *filename)
        offset = ftell(fp);
        fclose(fp);
 
-       mimeinfo = procmime_scan_file_with_offset(filename, offset);
+       mimeinfo = procmime_scan_file_with_offset(filename, offset, short_scan);
 
        return mimeinfo;
 }
 
+MimeInfo *procmime_scan_queue_file(const gchar *filename)
+{
+       return procmime_scan_queue_file_full(filename, FALSE);
+}
+
+static MimeInfo *procmime_scan_queue_file_short(const gchar *filename)
+{
+       return procmime_scan_queue_file_full(filename, TRUE);
+}
+
 typedef enum {
     ENC_AS_TOKEN,
     ENC_AS_QUOTED_STRING,
     ENC_AS_EXTENDED,
-    ENC_TO_ASCII,
+    ENC_AS_ENCWORD
 } EncodeAs;
 
 typedef struct _ParametersData {
        FILE *fp;
        guint len;
-       guint ascii_only;
+       gint error;
 } ParametersData;
 
 static void write_parameters(gpointer key, gpointer value, gpointer user_data)
@@ -1942,12 +2126,13 @@ static void write_parameters(gpointer key, gpointer value, gpointer user_data)
        gchar *val = value, *valpos, *tmp;
        ParametersData *pdata = (ParametersData *)user_data;
        GString *buf = g_string_new("");
+       gint len;
 
        EncodeAs encas = ENC_AS_TOKEN;
 
        for (valpos = val; *valpos != 0; valpos++) {
-               if (!IS_ASCII(*valpos) || *valpos == '"') {
-                       encas = ENC_AS_EXTENDED;
+               if (!IS_ASCII(*valpos)) {
+                       encas = ENC_AS_ENCWORD;
                        break;
                }
            
@@ -1969,7 +2154,7 @@ static void write_parameters(gpointer key, gpointer value, gpointer user_data)
                case ';':
                case ':':
                case '\\':
-               case '\'':
+               case '"':
                case '/':
                case '[':
                case ']':
@@ -1980,25 +2165,11 @@ static void write_parameters(gpointer key, gpointer value, gpointer user_data)
                }
        }
        
-       if (encas == ENC_AS_EXTENDED && pdata->ascii_only == TRUE) 
-               encas = ENC_TO_ASCII;
-
        switch (encas) {
        case ENC_AS_TOKEN:
                g_string_append_printf(buf, "%s=%s", param, val);
                break;
 
-       case ENC_TO_ASCII:
-               tmp = g_strdup(val);
-               g_strcanon(tmp, 
-                       " ()<>@,';:\\/[]?=.0123456789"
-                       "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-                       "abcdefghijklmnopqrstuvwxyz",
-                       '_');
-               g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
-               g_free(tmp);
-               break;
-
        case ENC_AS_QUOTED_STRING:
                g_string_append_printf(buf, "%s=\"%s\"", param, val);
                break;
@@ -2020,55 +2191,102 @@ static void write_parameters(gpointer key, gpointer value, gpointer user_data)
                        }
                }
                break;          
+
+       case ENC_AS_ENCWORD:
+               len = MAX(strlen(val)*6, 512);
+               tmp = g_malloc(len+1);
+               codeconv_set_strict(TRUE);
+               conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
+                       prefs_common.outgoing_charset);
+               codeconv_set_strict(FALSE);
+               if (!tmp || !*tmp) {
+                       codeconv_set_strict(TRUE);
+                       conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
+                               conv_get_outgoing_charset_str());
+                       codeconv_set_strict(FALSE);
+               }
+               if (!tmp || !*tmp) {
+                       codeconv_set_strict(TRUE);
+                       conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
+                               CS_UTF_8);
+                       codeconv_set_strict(FALSE);
+               }
+               if (!tmp || !*tmp) {
+                       conv_encode_header_full(tmp, len, val, pdata->len + strlen(param) + 4 , FALSE,
+                               CS_UTF_8);
+               }
+               g_string_append_printf(buf, "%s=\"%s\"", param, tmp);
+               g_free(tmp);
+               break;
+
        }
        
        if (buf->str && strlen(buf->str)) {
-               if (pdata->len + strlen(buf->str) + 2 > 76) {
-                       fprintf(pdata->fp, ";\n %s", buf->str);
+               tmp = strstr(buf->str, "\n");
+               if (tmp)
+                       len = (tmp - buf->str);
+               else
+                       len = strlen(buf->str);
+               if (pdata->len + len > 76) {
+                       if (fprintf(pdata->fp, ";\n %s", buf->str) < 0)
+                               pdata->error = TRUE;
                        pdata->len = strlen(buf->str) + 1;
                } else {
-                       fprintf(pdata->fp, "; %s", buf->str);
+                       if (fprintf(pdata->fp, "; %s", buf->str) < 0)
+                               pdata->error = TRUE;
                        pdata->len += strlen(buf->str) + 2;
                }
        }
        g_string_free(buf, TRUE);
 }
 
-void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
+#define TRY(func) { \
+       if (!(func)) { \
+               return -1; \
+       } \
+}
+
+int procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
 {
        struct TypeTable *type_table;
        ParametersData *pdata = g_new0(ParametersData, 1);
        debug_print("procmime_write_mime_header\n");
        
        pdata->fp = fp;
-       pdata->ascii_only = FALSE;
-
+       pdata->error = FALSE;
        for (type_table = mime_type_table; type_table->str != NULL; type_table++)
                if (mimeinfo->type == type_table->type) {
                        gchar *buf = g_strdup_printf(
                                "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
-                       fprintf(fp, "%s", buf);
+                       if (fprintf(fp, "%s", buf) < 0) {
+                               g_free(buf);
+                               g_free(pdata);
+                               return -1;
+                       }
                        pdata->len = strlen(buf);
-                       pdata->ascii_only = TRUE;
                        g_free(buf);
                        break;
                }
        g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
+       if (pdata->error == TRUE) {
+               g_free(pdata);
+               return -1;
+       }
        g_free(pdata);
 
-       fprintf(fp, "\n");
+       TRY(fprintf(fp, "\n") >= 0);
 
        if (mimeinfo->encoding_type != ENC_UNKNOWN)
-               fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type));
+               TRY(fprintf(fp, "Content-Transfer-Encoding: %s\n", procmime_get_encoding_str(mimeinfo->encoding_type)) >= 0);
 
        if (mimeinfo->description != NULL)
-               fprintf(fp, "Content-Description: %s\n", mimeinfo->description);
+               TRY(fprintf(fp, "Content-Description: %s\n", mimeinfo->description) >= 0);
 
        if (mimeinfo->id != NULL)
-               fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
+               TRY(fprintf(fp, "Content-ID: %s\n", mimeinfo->id) >= 0);
 
        if (mimeinfo->location != NULL)
-               fprintf(fp, "Content-Location: %s\n", mimeinfo->location);
+               TRY(fprintf(fp, "Content-Location: %s\n", mimeinfo->location) >= 0);
 
        if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
                ParametersData *pdata = g_new0(ParametersData, 1);
@@ -2080,28 +2298,38 @@ void procmime_write_mime_header(MimeInfo *mimeinfo, FILE *fp)
                else
                        buf = g_strdup("Content-Disposition: unknown");
 
-               fprintf(fp, "%s", buf);
+               if (fprintf(fp, "%s", buf) < 0) {
+                       g_free(buf);
+                       g_free(pdata);
+                       return -1;
+               }
                pdata->len = strlen(buf);
                g_free(buf);
 
                pdata->fp = fp;
-               pdata->ascii_only = FALSE;
-
+               pdata->error = FALSE;
                g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
+               if (pdata->error == TRUE) {
+                       g_free(pdata);
+                       return -1;
+               }
                g_free(pdata);
-               fprintf(fp, "\n");
+               TRY(fprintf(fp, "\n") >= 0);
        }
 
-       fprintf(fp, "\n");
+       TRY(fprintf(fp, "\n") >= 0);
+       
+       return 0;
 }
 
-gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
+static gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
 {
        FILE *infp;
        GNode *childnode;
        MimeInfo *child;
        gchar buf[BUFFSIZE];
        gboolean skip = FALSE;;
+       size_t len;
 
        debug_print("procmime_write_message_rfc822\n");
 
@@ -2114,6 +2342,7 @@ gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
                }
                fseek(infp, mimeinfo->offset, SEEK_SET);
                while (fgets(buf, sizeof(buf), infp) == buf) {
+                       strcrchomp(buf);
                        if (buf[0] == '\n' && buf[1] == '\0')
                                break;
                        if (skip && (buf[0] == ' ' || buf[0] == '\t'))
@@ -2128,17 +2357,23 @@ gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
                                skip = TRUE;
                                continue;
                        }
-                       fwrite(buf, sizeof(gchar), strlen(buf), fp);
+                       len = strlen(buf);
+                       if (fwrite(buf, sizeof(gchar), len, fp) < len) {
+                               g_warning("failed to dump %zd bytes from file", len);
+                               fclose(infp);
+                               return -1;
+                       }
                        skip = FALSE;
                }
                fclose(infp);
                break;
 
        case MIMECONTENT_MEM:
-               fwrite(mimeinfo->data.mem, 
-                               sizeof(gchar), 
-                               strlen(mimeinfo->data.mem), 
-                               fp);
+               len = strlen(mimeinfo->data.mem);
+               if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len) {
+                       g_warning("failed to dump %zd bytes from mem", len);
+                       return -1;
+               }
                break;
 
        default:
@@ -2150,18 +2385,23 @@ gint procmime_write_message_rfc822(MimeInfo *mimeinfo, FILE *fp)
                return -1;
 
        child = (MimeInfo *) childnode->data;
-       fprintf(fp, "Mime-Version: 1.0\n");
-       procmime_write_mime_header(child, fp);
+       if (fprintf(fp, "Mime-Version: 1.0\n") < 0) {
+               g_warning("failed to write mime version");
+               return -1;
+       }
+       if (procmime_write_mime_header(child, fp) < 0)
+               return -1;
        return procmime_write_mimeinfo(child, fp);
 }
 
-gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
+static gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
 {
        FILE *infp;
        GNode *childnode;
        gchar *boundary, *str, *str2;
        gchar buf[BUFFSIZE];
        gboolean firstboundary;
+       size_t len;
 
        debug_print("procmime_write_multipart\n");
 
@@ -2177,7 +2417,12 @@ gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
                while (fgets(buf, sizeof(buf), infp) == buf) {
                        if (IS_BOUNDARY(buf, boundary, strlen(boundary)))
                                break;
-                       fwrite(buf, sizeof(gchar), strlen(buf), fp);
+                       len = strlen(buf);
+                       if (fwrite(buf, sizeof(gchar), len, fp) < len) {
+                               g_warning("failed to write %zd", len);
+                               fclose(infp);
+                               return -1;
+                       }
                }
                fclose(infp);
                break;
@@ -2187,7 +2432,12 @@ gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
                if (((str2 = strstr(str, boundary)) != NULL) && ((str2 - str) >= 2) &&
                    (*(str2 - 1) == '-') && (*(str2 - 2) == '-'))
                        *(str2 - 2) = '\0';
-               fwrite(str, sizeof(gchar), strlen(str), fp);
+               len = strlen(str);
+               if (fwrite(str, sizeof(gchar), len, fp) < len) {
+                       g_warning("failed to write %zd from mem", len);
+                       g_free(str);
+                       return -1;
+               }
                g_free(str);
                break;
 
@@ -2203,16 +2453,18 @@ gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
                if (firstboundary)
                        firstboundary = FALSE;
                else
-                       fprintf(fp, "\n");
-               fprintf(fp, "--%s\n", boundary);
+                       TRY(fprintf(fp, "\n") >= 0);
+                       
+               TRY(fprintf(fp, "--%s\n", boundary) >= 0);
 
-               procmime_write_mime_header(child, fp);
+               if (procmime_write_mime_header(child, fp) < 0)
+                       return -1;
                if (procmime_write_mimeinfo(child, fp) < 0)
                        return -1;
 
                childnode = g_node_next_sibling(childnode);
        }       
-       fprintf(fp, "\n--%s--\n", boundary);
+       TRY(fprintf(fp, "\n--%s--\n", boundary) >= 0);
 
        return 0;
 }
@@ -2220,7 +2472,7 @@ gint procmime_write_multipart(MimeInfo *mimeinfo, FILE *fp)
 gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
 {
        FILE *infp;
-
+       size_t len;
        debug_print("procmime_write_mimeinfo\n");
 
        if (G_NODE_IS_LEAF(mimeinfo->node)) {
@@ -2235,10 +2487,9 @@ gint procmime_write_mimeinfo(MimeInfo *mimeinfo, FILE *fp)
                        return 0;
 
                case MIMECONTENT_MEM:
-                       fwrite(mimeinfo->data.mem, 
-                                       sizeof(gchar), 
-                                       strlen(mimeinfo->data.mem), 
-                                       fp);
+                       len = strlen(mimeinfo->data.mem);
+                       if (fwrite(mimeinfo->data.mem, sizeof(gchar), len, fp) < len)
+                               return -1;
                        return 0;
 
                default: