/*
- * $Id$
- *
* This is the MIME parser for Citadel.
*
- * Copyright (c) 1998-2007 by the citadel.org development team.
+ * Copyright (c) 1998-2010 by the citadel.org development team.
* This code is distributed under the GNU General Public License v3.
*
*/
#include "libcitadel.h"
#include "libcitadellocal.h"
-void extract_key(char *target, char *source, long sourcelen, char *key, long keylen)
-{
- char *lookat;
- char *ptr;
- //char looking_for[256];
- int double_quotes = 0;
+const unsigned char FromHexTable [256] = {
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 0
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 10
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 20
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 30
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x01, // 40
+ 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0xFF, 0xFF, // 50
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, // 60
+ 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 70
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, // 80
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x0A, 0x0B, 0x0C, // 90
+ 0x0D, 0x0E, 0x0F, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //100
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //110
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //120
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //130
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //140
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //150
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //160
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //170
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //180
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //190
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //200
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //210
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //220
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //230
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, //240
+ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF //250
+};
- lookat = source;
- //snprintf(looking_for, sizeof looking_for, "%s=", key);
- while ((lookat != NULL)) {
- ptr = bmstrcasestr_len(lookat, sourcelen, key, keylen);
- lookat = ptr;
- if ((ptr != NULL) &&
- (*(ptr + keylen) == '='))
- lookat = NULL;
+void extract_key(char *target, char *source, long sourcelen, char *key, long keylen, char KeyEnd)
+{
+ char *sptr, *ptr = NULL;
+ int double_quotes = 0;
+ long RealKeyLen = keylen;
+ sptr = source;
+ while (sptr != NULL)
+ {
+ ptr = bmstrcasestr_len(sptr, sourcelen - (sptr - source),
+ key, keylen);
+ if(ptr != NULL)
+ {
+ while (isspace(*(ptr + RealKeyLen)))
+ RealKeyLen ++;
+ if (*(ptr + RealKeyLen) == KeyEnd)
+ {
+ sptr = NULL;
+ RealKeyLen ++;
+ }
+ else
+ {
+ sptr = ptr + RealKeyLen + 1;
+ }
+ }
+ else
+ sptr = ptr;
}
- //ptr = bmstrcasestr(source, looking_for);
if (ptr == NULL) {
- strcpy(target, "");
+ *target = '\0';
return;
}
- strcpy(target, (ptr + keylen + 1));
+ strcpy(target, (ptr + RealKeyLen));
- for (ptr=target; (*ptr != 0); ++ptr) {
+ for (ptr=target; (*ptr != 0); ptr++) {
/* A semicolon means we've hit the end of the key, unless we're inside double quotes */
if ( (double_quotes != 1) && (*ptr == ';')) {
}
-static inline unsigned int _decode_hex(char *Source)
+static inline unsigned int _decode_hex(const char *Source)
{
- int ret = 0;
- if ((*Source >= '0') && (*Source <= '9')) {
- ret += (*Source - '0');
- }
- else if ((*Source >= 'A') && (*Source <= 'F')) {
- ret += (*Source - 'A' + 10);
- }
- else if ((*Source >= 'a') && (*Source <= 'f')) {
- ret += (*Source - 'a' + 10);
- }
- else {
- return '?';
- }
-
- ret = ret << 4;
+ int ret = '?';
+ unsigned char LO_NIBBLE;
+ unsigned char HI_NIBBLE;
+
+ HI_NIBBLE = FromHexTable[(unsigned char) *Source];
+ LO_NIBBLE = FromHexTable[(unsigned char) *(Source+1)];
- if ((*(Source + 1) >= '0') && (*(Source + 1) <= '9')) {
- ret |= (*(Source + 1) - '0');
- }
- else if ((*(Source + 1) >= 'A') && (*(Source + 1) <= 'F')) {
- ret |= (*(Source + 1) - 'A' + 10);
- }
- else if ((*(Source + 1) >= 'a') && (*(Source + 1) <= 'f')) {
- ret |= (*(Source + 1) - 'a' + 10);
- }
- else {
- return '?';
- }
+ if ((LO_NIBBLE == 0xFF) || (LO_NIBBLE == 0xFF))
+ return ret;
+ ret = HI_NIBBLE;
+ ret = ret << 4;
+ ret = ret | LO_NIBBLE;
return ret;
}
while (pos < sourcelen)
{
- if (!strncmp(&encoded[pos], "=\r\n", 3))
+ if (*(encoded + pos) == '=')
{
- pos += 3;
- }
- else if (!strncmp(&encoded[pos], "=\n", 2))
- {
- pos += 2;
- }
- else if (encoded[pos] == '=')
- {
- ch = 0;
- ch = _decode_hex(&encoded[pos+1]);
- pos += 3;
- decoded[decoded_length++] = ch;
+ pos ++;
+ if (*(encoded + pos) == '\n')
+ {
+ pos ++;
+ }
+ else if (*(encoded + pos) == '\r')
+ {
+ pos ++;
+ if (*(encoded + pos) == '\n')
+ pos++;
+ }
+ else if (encoded[pos] == '=')
+ {
+ ch = 0;
+ ch = _decode_hex(&encoded[pos]);
+ pos += 2;
+ decoded[decoded_length++] = ch;
+ }
}
else
{
char *disposition,
char *id,
char *name, char *filename,
- void (*CallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
- void (*PreMultiPartCallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
- void (*PostMultiPartCallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
- void *userdata,
- int dont_decode
-)
+ MimeParserCallBackType CallBack,
+ MimeParserCallBackType PreMultiPartCallBack,
+ MimeParserCallBackType PostMultiPartCallBack,
+ void *userdata,
+ int dont_decode)
{
char *decoded;
*/
void the_mime_parser(char *partnum,
char *content_start, char *content_end,
- void (*CallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
- void (*PreMultiPartCallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
- void (*PostMultiPartCallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
- void *userdata,
- int dont_decode
-)
+ MimeParserCallBackType CallBack,
+ MimeParserCallBackType PreMultiPartCallBack,
+ MimeParserCallBackType PostMultiPartCallBack,
+ void *userdata,
+ int dont_decode)
{
char *ptr;
memcpy (content_type, &header[13], headerlen - 12);
content_type_len = striplt (content_type);
- extract_key(content_type_name, content_type, content_type_len, HKEY("name"));
- extract_key(charset, content_type, content_type_len, HKEY("charset"));
- extract_key(boundary, header, headerlen, HKEY("boundary"));
+ extract_key(content_type_name, content_type, content_type_len, HKEY("name"), '=');
+ extract_key(charset, content_type, content_type_len, HKEY("charset"), '=');
+ extract_key(boundary, header, headerlen, HKEY("boundary"), '=');
/* Deal with weird headers */
if (strchr(content_type, ' '))
if (strchr(content_type, ';'))
*(strchr(content_type, ';')) = '\0';
}
- if (!strncasecmp(header, "Content-Disposition:", 20)) {
+ else if (!strncasecmp(header, "Content-Disposition:", 20)) {
memcpy (disposition, &header[20], headerlen - 19);
disposition_len = striplt(disposition);
- extract_key(content_disposition_name, disposition, disposition_len, HKEY("name"));
- extract_key(filename, disposition, disposition_len, HKEY("filename"));
+ extract_key(content_disposition_name, disposition, disposition_len, HKEY("name"), '=');
+ extract_key(filename, disposition, disposition_len, HKEY("filename"), '=');
}
- if (!strncasecmp(header, "Content-ID:", 11)) {
+ else if (!strncasecmp(header, "Content-ID:", 11)) {
strcpy(id, &header[11]);
striplt(id);
stripallbut(id, '<', '>');
}
- if (!strncasecmp(header, "Content-length: ", 15)) {
+ else if (!strncasecmp(header, "Content-length: ", 15)) {
char clbuf[10];
safestrncpy(clbuf, &header[15], sizeof clbuf);
striplt(clbuf);
content_length = (size_t) atol(clbuf);
}
- if (!strncasecmp(header, "Content-transfer-encoding: ", 26)) {
+ else if (!strncasecmp(header, "Content-transfer-encoding: ", 26)) {
strcpy(encoding, &header[26]);
striplt(encoding);
}
* considered to have ended when the parser encounters a 0x00 byte.
*/
void mime_parser(char *content_start,
- char *content_end,
-
- void (*CallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
-
- void (*PreMultiPartCallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
-
- void (*PostMultiPartCallBack)
- (char *cbname,
- char *cbfilename,
- char *cbpartnum,
- char *cbdisp,
- void *cbcontent,
- char *cbtype,
- char *cbcharset,
- size_t cblength,
- char *cbencoding,
- char *cbid,
- void *cbuserdata),
-
- void *userdata,
- int dont_decode
-)
+ char *content_end,
+ MimeParserCallBackType CallBack,
+ MimeParserCallBackType PreMultiPartCallBack,
+ MimeParserCallBackType PostMultiPartCallBack,
+ void *userdata,
+ int dont_decode)
{
the_mime_parser("", content_start, content_end,
return "text/plain";
else if ((len > 3) && !strncasecmp(&what[len - 4], ".css", 4))
return "text/css";
+ else if ((len > 3) && !strncasecmp(&what[len - 4], ".htc", 4))
+ return "text/x-component";
else if ((len > 3) && !strncasecmp(&what[len - 4], ".jpg", 4))
return "image/jpeg";
else if ((len > 3) && !strncasecmp(&what[len - 4], ".png", 4))