#include "codeconv.h"
#include "utils.h"
#include "prefs_common.h"
-
#include "prefs_gtk.h"
static GHashTable *procmime_get_mime_type_table (void);
gchar *mimetmpdir;
FILE *outfp, *infp;
struct stat statbuf;
+ gboolean tmp_file = FALSE;
EncodingType encoding = forced_encoding
? forced_encoding
perror("tmpfile");
return FALSE;
}
-
+ tmp_file = TRUE;
readend = mimeinfo->offset + mimeinfo->length;
if (encoding == ENC_QUOTED_PRINTABLE) {
gchar outbuf[BUFFSIZE];
gint len;
Base64Decoder *decoder;
+ gboolean uncanonicalize = FALSE;
+ FILE *tmpfp = outfp;
+
+ if (mimeinfo->type == MIMETYPE_TEXT ||
+ mimeinfo->type == MIMETYPE_MESSAGE) {
+ uncanonicalize = TRUE;
+ tmpfp = my_tmpfile();
+ if (!tmpfp) {
+ perror("tmpfile");
+ if (tmp_file) fclose(outfp);
+ return FALSE;
+ }
+ }
decoder = base64_decoder_new();
while ((ftell(infp) < readend) && (fgets(buf, sizeof(buf), infp) != NULL)) {
g_warning("Bad BASE64 content\n");
break;
}
- fwrite(outbuf, sizeof(gchar), len, outfp);
+ fwrite(outbuf, sizeof(gchar), len, tmpfp);
}
base64_decoder_free(decoder);
+
+ if (uncanonicalize) {
+ rewind(tmpfp);
+ while (fgets(buf, sizeof(buf), tmpfp) != NULL) {
+ strcrchomp(buf);
+ fputs(buf, outfp);
+ }
+ fclose(tmpfp);
+ }
} else if (encoding == ENC_X_UUENCODE) {
gchar outbuf[BUFFSIZE];
gint len;
gchar *mimetmpdir;
struct stat statbuf;
- if (mimeinfo->encoding_type != ENC_UNKNOWN ||
- mimeinfo->encoding_type != ENC_BINARY ||
- mimeinfo->encoding_type != ENC_7BIT ||
+ if (mimeinfo->encoding_type != ENC_UNKNOWN &&
+ mimeinfo->encoding_type != ENC_BINARY &&
+ mimeinfo->encoding_type != ENC_7BIT &&
mimeinfo->encoding_type != ENC_8BIT)
if(!procmime_decode_content(mimeinfo))
return FALSE;
return FALSE;
}
- if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
- g_warning("Can't open file %s\n", mimeinfo->data.filename);
- return FALSE;
+ if (mimeinfo->content == MIMECONTENT_FILE) {
+ if ((infp = fopen(mimeinfo->data.filename, "rb")) == NULL) {
+ g_warning("Can't open file %s\n", mimeinfo->data.filename);
+ return FALSE;
+ }
+ } else if (mimeinfo->content == MIMECONTENT_MEM) {
+ infp = str_open_as_stream(mimeinfo->data.mem);
+ if (infp == NULL)
+ return FALSE;
}
if (encoding == ENC_BASE64) {
gchar inbuf[B64_LINE_SIZE], outbuf[B64_BUFFSIZE];
+ FILE *tmp_fp = infp;
+ gchar *tmp_file = NULL;
+
+ if (mimeinfo->type == MIMETYPE_TEXT ||
+ mimeinfo->type == MIMETYPE_MESSAGE) {
+ tmp_file = get_tmp_file();
+ if (canonicalize_file(mimeinfo->data.filename, tmp_file) < 0) {
+ g_free(tmp_file);
+ fclose(infp);
+ }
+ if ((tmp_fp = fopen(tmp_file, "rb")) == NULL) {
+ FILE_OP_ERROR(tmp_file, "fopen");
+ unlink(tmp_file);
+ g_free(tmp_file);
+ fclose(infp);
+ }
+ }
while ((len = fread(inbuf, sizeof(gchar),
- B64_LINE_SIZE, infp))
+ B64_LINE_SIZE, tmp_fp))
== B64_LINE_SIZE) {
base64_encode(outbuf, inbuf, B64_LINE_SIZE);
fputs(outbuf, outfp);
fputc('\n', outfp);
}
- if (len > 0 && feof(infp)) {
+ if (len > 0 && feof(tmp_fp)) {
base64_encode(outbuf, inbuf, len);
fputs(outbuf, outfp);
fputc('\n', outfp);
}
+
+ if (tmp_file) {
+ fclose(tmp_fp);
+ unlink(tmp_file);
+ g_free(tmp_file);
+ }
} else if (encoding == ENC_QUOTED_PRINTABLE) {
gchar inbuf[BUFFSIZE], outbuf[BUFFSIZE * 4];
fclose(outfp);
fclose(infp);
+ if (mimeinfo->content == MIMECONTENT_FILE) {
+ if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
+ 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);
- if (mimeinfo->tmp && (mimeinfo->data.filename != NULL))
- unlink(mimeinfo->data.filename);
- g_free(mimeinfo->data.filename);
+ mimeinfo->content = MIMECONTENT_FILE;
mimeinfo->data.filename = tmpfilename;
mimeinfo->tmp = TRUE;
mimeinfo->offset = 0;
}
gboolean procmime_find_string_part(MimeInfo *mimeinfo, const gchar *filename,
- const gchar *str, gboolean case_sens)
+ const gchar *str, StrFindFunc find_func)
{
FILE *outfp;
gchar buf[BUFFSIZE];
- gchar *(* StrFindFunc) (const gchar *haystack, const gchar *needle);
g_return_val_if_fail(mimeinfo != NULL, FALSE);
g_return_val_if_fail(mimeinfo->type == MIMETYPE_TEXT, FALSE);
g_return_val_if_fail(str != NULL, FALSE);
+ g_return_val_if_fail(find_func != NULL, FALSE);
outfp = procmime_get_text_content(mimeinfo);
if (!outfp)
return FALSE;
- if (case_sens)
- StrFindFunc = strstr;
- else
- StrFindFunc = strcasestr;
-
while (fgets(buf, sizeof(buf), outfp) != NULL) {
- if (StrFindFunc(buf, str) != NULL) {
+ strretchomp(buf);
+ if (find_func(buf, str)) {
fclose(outfp);
return TRUE;
}
}
gboolean procmime_find_string(MsgInfo *msginfo, const gchar *str,
- gboolean case_sens)
+ StrFindFunc find_func)
{
MimeInfo *mimeinfo;
MimeInfo *partinfo;
g_return_val_if_fail(msginfo != NULL, FALSE);
g_return_val_if_fail(str != NULL, FALSE);
+ g_return_val_if_fail(find_func != NULL, FALSE);
filename = procmsg_get_message_file(msginfo);
if (!filename) return FALSE;
partinfo = procmime_mimeinfo_next(partinfo)) {
if (partinfo->type == MIMETYPE_TEXT) {
if (procmime_find_string_part
- (partinfo, filename, str, case_sens) == TRUE) {
+ (partinfo, filename, str, find_func) == TRUE) {
found = TRUE;
break;
}
if (basetmp == NULL)
basetmp = "mimetmp";
base = g_basename(basetmp);
- if (*base == '\0') base = "mimetmp";
+ if (*base == '\0') base = g_strdup("mimetmp");
Xstrdup_a(base, base, return NULL);
subst_for_shellsafe_filename(base);
}
return ENC_8BIT;
}
-EncodingType procmime_get_encoding_for_file(const gchar *file)
+EncodingType procmime_get_encoding_for_text_file(const gchar *file)
{
FILE *fp;
- guchar buf[BUFSIZ];
+ guchar buf[BUFFSIZE];
size_t len;
+ size_t octet_chars = 0;
+ size_t total_len = 0;
+ gfloat octet_percentage;
if ((fp = fopen(file, "rb")) == NULL) {
FILE_OP_ERROR(file, "fopen");
return ENC_UNKNOWN;
}
- while ((len = fread(buf, sizeof(gchar), sizeof(buf), fp)) > 0) {
+ while ((len = fread(buf, sizeof(guchar), sizeof(buf), fp)) > 0) {
guchar *p;
gint i;
- for (p = buf, i = 0; i < len; p++, i++) {
- if (*p & 0x80) {
- fclose(fp);
- return ENC_BASE64;
- }
+ for (p = buf, i = 0; i < len; ++p, ++i) {
+ if (*p & 0x80)
+ ++octet_chars;
}
+ total_len += len;
}
fclose(fp);
- return ENC_7BIT;
+
+ if (total_len > 0)
+ octet_percentage = (gfloat)octet_chars / (gfloat)total_len;
+ else
+ octet_percentage = 0.0;
+
+ debug_print("procmime_get_encoding_for_text_file(): "
+ "8bit chars: %d / %d (%f%%)\n", octet_chars, total_len,
+ 100.0 * octet_percentage);
+
+ if (octet_percentage > 0.20) {
+ debug_print("using BASE64\n");
+ return ENC_BASE64;
+ } else if (octet_chars > 0) {
+ debug_print("using quoted-printable\n");
+ return ENC_QUOTED_PRINTABLE;
+ } else {
+ debug_print("using 7bit\n");
+ return ENC_7BIT;
+ }
}
struct EncodingTable
fclose(fp);
}
-static void add_to_mimeinfo_parameters(gchar **parts, GHashTable *table)
+static void parse_parameters(const gchar *parameters, GHashTable *table)
{
- gchar **strarray;
-
- for (strarray = parts; *strarray != NULL; strarray++) {
- gchar **parameters_parts;
-
- parameters_parts = g_strsplit(*strarray, "=", 1);
- if ((parameters_parts[0] != NULL) && (parameters_parts[1] != NULL)) {
- gchar *firstspace;
-
- g_strstrip(parameters_parts[0]);
- g_strstrip(parameters_parts[1]);
- g_strdown(parameters_parts[0]);
- if (parameters_parts[1][0] == '"')
- extract_quote(parameters_parts[1], '"');
- else if ((firstspace = strchr(parameters_parts[1], ' ')) != NULL)
- *firstspace = '\0';
- if (g_hash_table_lookup(table, parameters_parts[0]) == NULL)
- g_hash_table_insert(table,
- g_strdup(parameters_parts[0]),
- g_strdup(parameters_parts[1]));
+ gchar *params, *param, *next;
+ GSList *convlist = NULL, *concatlist = NULL, *cur;
+
+ params = g_strdup(parameters);
+ param = params;
+ next = params;
+ for (; next != NULL; param = next) {
+ gchar *attribute, *value, *tmp;
+ gint len;
+ gboolean convert = FALSE;
+
+ next = strchr_with_skip_quote(param, '"', ';');
+ if (next != NULL) {
+ next[0] = '\0';
+ next++;
+ }
+
+ g_strstrip(param);
+
+ attribute = param;
+ value = strchr(attribute, '=');
+ if (value == NULL)
+ continue;
+
+ value[0] = '\0';
+ value++;
+
+ g_strdown(attribute);
+
+ len = strlen(attribute);
+ if (attribute[len - 1] == '*') {
+ gchar *srcpos, *dstpos, *endpos;
+
+ convert = TRUE;
+ attribute[len - 1] = '\0';
+
+ srcpos = value;
+ dstpos = value;
+ endpos = value + strlen(value);
+ while (srcpos < endpos) {
+ if (*srcpos != '%')
+ *dstpos = *srcpos;
+ else {
+ guchar dstvalue;
+
+ if (!get_hex_value(&dstvalue, srcpos[1], srcpos[2]))
+ *dstpos = '?';
+ else
+ *dstpos = dstvalue;
+ srcpos += 2;
+ }
+ srcpos++;
+ dstpos++;
+ }
+ *dstpos = '\0';
+ } else {
+ if (value[0] == '"')
+ extract_quote(value, '"');
+ else if ((tmp = strchr(value, ' ')) != NULL)
+ *tmp = '\0';
}
- g_strfreev(parameters_parts);
+
+ if (strrchr(attribute, '*') != NULL) {
+ gchar *tmpattr;
+
+ tmpattr = g_strdup(attribute);
+ tmp = strrchr(tmpattr, '*');
+ tmp[0] = '\0';
+
+ if ((tmp[1] == '0') && (tmp[2] == '\0') &&
+ (g_slist_find_custom(concatlist, attribute, g_str_equal) == NULL))
+ concatlist = g_slist_prepend(concatlist, g_strdup(tmpattr));
+
+ if (convert && (g_slist_find_custom(convlist, attribute, 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_hash_table_lookup(table, attribute) == NULL)
+ g_hash_table_insert(table, g_strdup(attribute), g_strdup(value));
+ }
+
+ for (cur = concatlist; cur != NULL; cur = g_slist_next(cur)) {
+ gchar *attribute, *attrwnum, *partvalue;
+ gint n = 0;
+ GString *value;
+
+ attribute = (gchar *) cur->data;
+ value = g_string_sized_new(64);
+
+ attrwnum = g_strdup_printf("%s*%d", attribute, n);
+ while ((partvalue = g_hash_table_lookup(table, attrwnum)) != NULL) {
+ g_string_append(value, partvalue);
+
+ g_free(attrwnum);
+ n++;
+ attrwnum = g_strdup_printf("%s*%d", attribute, n);
+ }
+ g_free(attrwnum);
+
+ g_hash_table_insert(table, g_strdup(attribute), g_strdup(value->str));
+ g_string_free(value, TRUE);
}
+ slist_free_strings(concatlist);
+ g_slist_free(concatlist);
+
+ for (cur = convlist; cur != NULL; cur = g_slist_next(cur)) {
+ gchar *attribute, *key, *value;
+ gchar *charset, *lang, *oldvalue, *newvalue;
+
+ attribute = (gchar *) cur->data;
+ if (!g_hash_table_lookup_extended(table, attribute, (gpointer *) &key, (gpointer *) &value))
+ continue;
+
+ charset = value;
+ lang = strchr(charset, '\'');
+ if (lang == NULL)
+ continue;
+ lang[0] = '\0';
+ lang++;
+ oldvalue = strchr(lang, '\'');
+ if (oldvalue == NULL)
+ continue;
+ oldvalue[0] = '\0';
+ oldvalue++;
+
+ newvalue = conv_codeset_strdup(oldvalue, charset, conv_get_current_charset_str());
+
+ g_hash_table_remove(table, attribute);
+ g_free(key);
+ g_free(value);
+
+ g_hash_table_insert(table, g_strdup(attribute), newvalue);
+ }
+ slist_free_strings(convlist);
+ g_slist_free(convlist);
+
+ g_free(params);
}
static void procmime_parse_content_type(const gchar *content_type, MimeInfo *mimeinfo)
{
- gchar **content_type_parts;
- gchar **strarray;
- gchar *str;
-
g_return_if_fail(content_type != NULL);
g_return_if_fail(mimeinfo != NULL);
- /* Split content type into parts and remove trailing
- and leading whitespaces from all strings */
- content_type_parts = g_strsplit(content_type, ";", 0);
- for (strarray = content_type_parts; *strarray != NULL; strarray++) {
- g_strstrip(*strarray);
- }
-
- /* Get mimeinfo->type and mimeinfo->subtype */
- str = content_type_parts[0];
/* RFC 2045, page 13 says that the mime subtype is MANDATORY;
* if it's not available we use the default Content-Type */
- if ((str == NULL) || (str[0] == '\0') || (strchr(str, '/') == NULL)) {
+ if ((content_type[0] == '\0') || (strchr(content_type, '/') == NULL)) {
mimeinfo->type = MIMETYPE_TEXT;
mimeinfo->subtype = g_strdup("plain");
if (g_hash_table_lookup(mimeinfo->typeparameters,
g_strdup("charset"),
g_strdup("us-ascii"));
} else {
- gchar *type, *subtype;
+ gchar *type, *subtype, *params;
- type = g_strdup(str);
+ type = g_strdup(content_type);
subtype = strchr(type, '/') + 1;
*(subtype - 1) = '\0';
+ if ((params = strchr(subtype, ';')) != NULL) {
+ params[0] = '\0';
+ params++;
+ }
mimeinfo->type = procmime_get_media_type(type);
mimeinfo->subtype = g_strdup(subtype);
- g_free(type);
+ /* Get mimeinfo->typeparameters */
+ if (params != NULL)
+ parse_parameters(params, mimeinfo->typeparameters);
- /* Get mimeinfo->parmeters */
- add_to_mimeinfo_parameters(&content_type_parts[1], mimeinfo->typeparameters);
+ g_free(type);
}
-
- g_strfreev(content_type_parts);
}
static void procmime_parse_content_disposition(const gchar *content_disposition, MimeInfo *mimeinfo)
{
- gchar **content_disp_parts;
- gchar **strarray;
- gchar *str;
+ gchar *tmp, *params;
g_return_if_fail(content_disposition != NULL);
g_return_if_fail(mimeinfo != NULL);
- /* Split into parts and remove trailing
- and leading whitespaces from all strings */
- content_disp_parts = g_strsplit(content_disposition, ";", 0);
- for (strarray = content_disp_parts; *strarray != NULL; strarray++) {
- g_strstrip(*strarray);
- }
- /* Get mimeinfo->disposition */
- str = content_disp_parts[0];
- if (str == NULL) {
- g_strfreev(content_disp_parts);
- return;
- }
- if (!g_strcasecmp(str, "inline"))
+ tmp = g_strdup(content_disposition);
+ if ((params = strchr(tmp, ';')) != NULL) {
+ params[0] = '\0';
+ params++;
+ }
+ g_strstrip(tmp);
+
+ if (!g_strcasecmp(tmp, "inline"))
mimeinfo->disposition = DISPOSITIONTYPE_INLINE;
- else if (!g_strcasecmp(str, "attachment"))
+ else if (!g_strcasecmp(tmp, "attachment"))
mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
else
mimeinfo->disposition = DISPOSITIONTYPE_ATTACHMENT;
- add_to_mimeinfo_parameters(&content_disp_parts[1], mimeinfo->dispositionparameters);
- g_strfreev(content_disp_parts);
+ if (params != NULL)
+ parse_parameters(params, mimeinfo->dispositionparameters);
+
+ g_free(tmp);
}
typedef enum {
ENC_AS_TOKEN,
ENC_AS_QUOTED_STRING,
- ENC_AS_ENCODED_WORD,
+ ENC_AS_EXTENDED,
} EncodeAs;
+typedef struct _ParametersData {
+ FILE *fp;
+ guint len;
+} ParametersData;
+
static void write_parameters(gpointer key, gpointer value, gpointer user_data)
{
gchar *param = key;
gchar *val = value, *valpos;
- FILE *fp = user_data;
- EncodeAs encas = ENC_AS_TOKEN;
+ ParametersData *pdata = (ParametersData *)user_data;
+ GString *buf = g_string_new("");
- fprintf(fp, "; %s=", param);
+ EncodeAs encas = ENC_AS_TOKEN;
for (valpos = val; *valpos != 0; valpos++) {
if (!IS_ASCII(*valpos)) {
- encas = ENC_AS_ENCODED_WORD;
+ encas = ENC_AS_EXTENDED;
break;
}
switch (encas) {
case ENC_AS_TOKEN:
- fprintf(fp, "%s", val);
+ g_string_sprintfa(buf, "%s=%s", param, val);
break;
case ENC_AS_QUOTED_STRING:
- fprintf(fp, "\"%s\"", val);
+ g_string_sprintfa(buf, "%s=\"%s\"", param, val);
break;
- case ENC_AS_ENCODED_WORD:
- /* FIXME: not yet handled */
- fprintf(fp, "%s", val);
+ case ENC_AS_EXTENDED:
+ g_string_sprintfa(buf, "%s*=%s''", param,
+ conv_get_current_charset_str());
+ for (valpos = val; *valpos != '\0'; valpos++) {
+ if (IS_ASCII(*valpos) && isalnum(*valpos)) {
+ g_string_sprintfa(buf, "%c", *valpos);
+ } else {
+ gchar hexstr[3] = "XX";
+ get_hex_str(hexstr, *valpos);
+ g_string_sprintfa(buf, "%%%s", hexstr);
+ }
+ }
break;
}
+
+ if (buf->str && strlen(buf->str)) {
+ if (pdata->len + strlen(buf->str) + 2 > 76) {
+ fprintf(pdata->fp, ";\n %s", buf->str);
+ pdata->len = strlen(buf->str) + 1;
+ } else {
+ fprintf(pdata->fp, "; %s", buf->str);
+ pdata->len += strlen(buf->str) + 2;
+ }
+ }
+ g_string_free(buf, TRUE);
}
void 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;
for (type_table = mime_type_table; type_table->str != NULL; type_table++)
if (mimeinfo->type == type_table->type) {
- fprintf(fp, "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
+ gchar *buf = g_strdup_printf(
+ "Content-Type: %s/%s", type_table->str, mimeinfo->subtype);
+ fprintf(fp, "%s", buf);
+ pdata->len = strlen(buf);
+ g_free(buf);
break;
}
- g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, fp);
+ g_hash_table_foreach(mimeinfo->typeparameters, write_parameters, pdata);
+ g_free(pdata);
+
fprintf(fp, "\n");
if (mimeinfo->encoding_type != ENC_UNKNOWN)
fprintf(fp, "Content-ID: %s\n", mimeinfo->id);
if (mimeinfo->disposition != DISPOSITIONTYPE_UNKNOWN) {
- fprintf(fp, "Content-Disposition: ");
+ ParametersData *pdata = g_new0(ParametersData, 1);
+ gchar *buf = NULL;
if (mimeinfo->disposition == DISPOSITIONTYPE_INLINE)
- fprintf(fp, "inline");
+ buf = g_strdup("Content-Disposition: inline");
else if (mimeinfo->disposition == DISPOSITIONTYPE_ATTACHMENT)
- fprintf(fp, "attachment");
+ buf = g_strdup("Content-Disposition: attachment");
else
- fprintf(fp, "unknown");
+ buf = g_strdup("Content-Disposition: unknown");
+
+ fprintf(fp, "%s", buf);
+ pdata->len = strlen(buf);
+ g_free(buf);
- /* FIXME: linebreaks after too many parameters */
- g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, fp);
+ pdata->fp = fp;
+ g_hash_table_foreach(mimeinfo->dispositionparameters, write_parameters, pdata);
+ g_free(pdata);
fprintf(fp, "\n");
}