6 * Copyright (C) 2010-11 SIPE Project <http://sipe.sourceforge.net/>
7 * Copyright (C) 2008 Novell, Inc.
8 * Copyright (C) 2005 Thomas Butter <butter@uni-mannheim.de>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
33 #include "sipe-backend.h"
34 #include "sipe-mime.h"
35 #include "sipe-utils.h"
37 struct sipmsg
*sipmsg_parse_msg(const gchar
*msg
) {
38 const char *tmp
= strstr(msg
, "\r\n\r\n");
44 line
= g_strndup(msg
, tmp
- msg
);
46 smsg
= sipmsg_parse_header(line
);
47 smsg
->body
= g_strdup(tmp
+ 4);
53 struct sipmsg
*sipmsg_parse_header(const gchar
*header
) {
54 struct sipmsg
*msg
= g_new0(struct sipmsg
,1);
55 gchar
**lines
= g_strsplit(header
,"\r\n",0);
57 const gchar
*contentlength
;
63 parts
= g_strsplit(lines
[0], " ", 3);
64 if(!parts
[0] || !parts
[1] || !parts
[2]) {
70 if(strstr(parts
[0],"SIP") || strstr(parts
[0],"HTTP")) { /* numeric response */
71 msg
->responsestr
= g_strdup(parts
[2]);
72 msg
->response
= strtol(parts
[1],NULL
,10);
73 } else { /* request */
74 msg
->method
= g_strdup(parts
[0]);
75 msg
->target
= g_strdup(parts
[1]);
79 if (sipe_utils_parse_lines(&msg
->headers
, lines
+ 1, ":") == FALSE
) {
85 contentlength
= sipmsg_find_header(msg
, "Content-Length");
87 msg
->bodylen
= strtol(contentlength
,NULL
,10);
89 const gchar
*tmp
= sipmsg_find_header(msg
, "Transfer-Encoding");
90 if (tmp
&& sipe_strcase_equal(tmp
, "chunked")) {
91 msg
->bodylen
= SIPMSG_BODYLEN_CHUNKED
;
93 SIPE_DEBUG_FATAL_NOFORMAT("sipmsg_parse_header(): Content-Length header not found");
98 tmp
= sipmsg_find_header(msg
, "CSeq");
100 /* SHOULD NOT HAPPEN */
103 parts
= g_strsplit(tmp
, " ", 2);
104 msg
->method
= g_strdup(parts
[1]);
111 struct sipmsg
*sipmsg_copy(const struct sipmsg
*other
) {
112 struct sipmsg
*msg
= g_new0(struct sipmsg
, 1);
115 msg
->response
= other
->response
;
116 msg
->responsestr
= g_strdup(other
->responsestr
);
117 msg
->method
= g_strdup(other
->method
);
118 msg
->target
= g_strdup(other
->target
);
120 list
= other
->headers
;
122 struct sipnameval
*elem
= list
->data
;
123 sipmsg_add_header_now(msg
, elem
->name
, elem
->value
);
127 list
= other
->new_headers
;
129 struct sipnameval
*elem
= list
->data
;
130 sipmsg_add_header(msg
, elem
->name
, elem
->value
);
134 msg
->bodylen
= other
->bodylen
;
135 msg
->body
= g_strdup(other
->body
);
136 msg
->signature
= g_strdup(other
->signature
);
137 msg
->rand
= g_strdup(other
->rand
);
138 msg
->num
= g_strdup(other
->num
);
143 char *sipmsg_to_string(const struct sipmsg
*msg
) {
145 GString
*outstr
= g_string_new("");
146 struct sipnameval
*elem
;
149 g_string_append_printf(outstr
, "SIP/2.0 %d Unknown\r\n",
152 g_string_append_printf(outstr
, "%s %s SIP/2.0\r\n",
153 msg
->method
, msg
->target
);
158 /*Todo: remove the LFCR in a good way*/
159 /*if(sipe_strequal(elem->name,"Proxy-Authorization"))
160 g_string_append_printf(outstr, "%s: %s", elem->name,
163 g_string_append_printf(outstr
, "%s: %s\r\n", elem
->name
,
165 cur
= g_slist_next(cur
);
168 g_string_append_printf(outstr
, "\r\n%s", msg
->bodylen
? msg
->body
: "");
170 return g_string_free(outstr
, FALSE
);
174 * Adds header to current message headers at specified position
176 void sipmsg_add_header_now_pos(struct sipmsg
*msg
, const gchar
*name
, const gchar
*value
, int pos
) {
177 struct sipnameval
*element
= g_new0(struct sipnameval
,1);
179 /* SANITY CHECK: the calling code must be fixed if this happens! */
181 SIPE_DEBUG_ERROR("sipmsg_add_header_now_pos: NULL value for %s (%d)",
186 element
->name
= g_strdup(name
);
187 element
->value
= g_strdup(value
);
188 msg
->headers
= g_slist_insert(msg
->headers
, element
,pos
);
192 * Adds header to current message headers
194 void sipmsg_add_header_now(struct sipmsg
*msg
, const gchar
*name
, const gchar
*value
) {
195 struct sipnameval
*element
= g_new0(struct sipnameval
,1);
197 /* SANITY CHECK: the calling code must be fixed if this happens! */
199 SIPE_DEBUG_ERROR("sipmsg_add_header_now: NULL value for %s",
204 element
->name
= g_strdup(name
);
205 element
->value
= g_strdup(value
);
206 msg
->headers
= g_slist_append(msg
->headers
, element
);
210 * Adds header to separate storage for future merge
212 void sipmsg_add_header(struct sipmsg
*msg
, const gchar
*name
, const gchar
*value
) {
213 struct sipnameval
*element
= g_new0(struct sipnameval
,1);
215 /* SANITY CHECK: the calling code must be fixed if this happens! */
217 SIPE_DEBUG_ERROR("sipmsg_add_header: NULL value for %s", name
);
221 element
->name
= g_strdup(name
);
222 element
->value
= g_strdup(value
);
223 msg
->new_headers
= g_slist_append(msg
->new_headers
, element
);
227 * Removes header if it's not in keepers array
229 void sipmsg_strip_headers(struct sipmsg
*msg
, const gchar
*keepers
[]) {
231 struct sipnameval
*elem
;
233 entry
= msg
->headers
;
236 gboolean keeper
= FALSE
;
240 if (!g_ascii_strcasecmp(elem
->name
, keepers
[i
])) {
248 GSList
*to_delete
= entry
;
249 SIPE_DEBUG_INFO("sipmsg_strip_headers: removing %s", elem
->name
);
250 entry
= g_slist_next(entry
);
251 msg
->headers
= g_slist_delete_link(msg
->headers
, to_delete
);
256 entry
= g_slist_next(entry
);
262 * Merges newly added headers to message
264 void sipmsg_merge_new_headers(struct sipmsg
*msg
) {
265 while(msg
->new_headers
) {
266 msg
->headers
= g_slist_append(msg
->headers
, msg
->new_headers
->data
);
267 msg
->new_headers
= g_slist_remove(msg
->new_headers
, msg
->new_headers
->data
);
271 void sipmsg_free(struct sipmsg
*msg
) {
273 sipe_utils_nameval_free(msg
->headers
);
274 sipe_utils_nameval_free(msg
->new_headers
);
275 g_free(msg
->signature
);
278 g_free(msg
->responsestr
);
286 void sipmsg_remove_header_now(struct sipmsg
*msg
, const gchar
*name
) {
287 struct sipnameval
*elem
;
288 GSList
*tmp
= msg
->headers
;
291 // OCS2005 can send the same header in either all caps or mixed case
292 if (sipe_strcase_equal(elem
->name
, name
)) {
293 msg
->headers
= g_slist_remove(msg
->headers
, elem
);
299 tmp
= g_slist_next(tmp
);
304 const gchar
*sipmsg_find_header(const struct sipmsg
*msg
, const gchar
*name
) {
305 return sipe_utils_nameval_find_instance (msg
->headers
, name
, 0);
308 const gchar
*sipmsg_find_header_instance(const struct sipmsg
*msg
, const gchar
*name
, int which
) {
309 return sipe_utils_nameval_find_instance(msg
->headers
, name
, which
);
312 gchar
*sipmsg_find_part_of_header(const char *hdr
, const char * before
, const char * after
, const char * def
) {
320 //printf("partof %s w/ %s before and %s after\n", hdr, before, after);
322 tmp
= before
== NULL
? hdr
: strstr(hdr
, before
);
324 //printf ("not found, returning null\n");
328 if (before
!= NULL
) {
329 tmp
+= strlen(before
);
330 //printf ("tmp now %s\n", tmp);
333 if (after
!= NULL
&& (tmp2
= strstr(tmp
, after
))) {
334 gchar
* res
= g_strndup(tmp
, tmp2
- tmp
);
335 //printf("returning %s\n", res);
338 res2
= g_strdup(tmp
);
339 //printf("returning %s\n", res2);
343 int sipmsg_parse_cseq(struct sipmsg
*msg
)
347 items
= g_strsplit(sipmsg_find_header(msg
, "CSeq"), " ", 1);
349 res
= atoi(items
[0]);
356 * Parse EndPoints header from INVITE request
357 * Returns a list of end points: contact URI plus optional epid.
358 * You must free the values and the list.
361 * EndPoints: "alice alisson" <sip:alice@atlanta.local>, <sip:bob@atlanta.local>;epid=ebca82d94d, <sip:carol@atlanta.local>
362 * EndPoints: "alice, alisson" <sip:alice@atlanta.local>, <sip:bob@atlanta.local>
363 * EndPoints: "alice alisson" <sip:alice@atlanta.local>, "Super, Man" <sip:super@atlanta.local>
365 * @param header (in) EndPoints header contents
367 * @return GSList with struct sipendpoint as elements
369 GSList
*sipmsg_parse_endpoints_header(const gchar
*header
)
372 gchar
**parts
= g_strsplit(header
, ",", 0);
376 for (i
= 0; (part
= parts
[i
]) != NULL
; i
++) {
377 /* Does the part contain a URI? */
378 gchar
*contact
= sipmsg_find_part_of_header(part
, "<", ">", NULL
);
380 struct sipendpoint
*end_point
= g_new(struct sipendpoint
, 1);
381 end_point
->contact
= contact
;
382 end_point
->epid
= sipmsg_find_part_of_header(part
, "epid=", NULL
, NULL
);
383 list
= g_slist_append(list
, end_point
);
391 void sipmsg_parse_p_asserted_identity(const gchar
*header
, gchar
**sip_uri
,
398 if (g_ascii_strncasecmp(header
, "tel:", 4) == 0) {
399 *tel_uri
= g_strdup(header
);
403 parts
= g_strsplit(header
, ",", 0);
405 for (p
= parts
; *p
; p
++) {
406 gchar
*uri
= sipmsg_find_part_of_header(*p
, "<", ">", NULL
);
410 if (g_ascii_strncasecmp(uri
, "sip:", 4) == 0) {
412 SIPE_DEBUG_WARNING_NOFORMAT("More than one "
413 "sip: URI found in P-Asserted-Identity!");
418 } else if (g_ascii_strncasecmp(uri
, "tel:", 4) == 0){
420 SIPE_DEBUG_WARNING_NOFORMAT("More than one "
421 "tel: URI found in P-Asserted-Identity!");
435 * sipmsg_find_auth_header will return the particular WWW-Authenticate
436 * header specified by *name.
438 * Use this function when you want to look for a specific authentication
439 * method such as NTLM or Kerberos
442 const gchar
*sipmsg_find_auth_header(struct sipmsg
*msg
, const gchar
*name
) {
444 struct sipnameval
*elem
;
445 int name_len
= strlen(name
);
449 /* SIPE_DEBUG_INFO("Current header: %s", elem->value); */
450 if (elem
&& elem
->name
&&
451 (sipe_strcase_equal(elem
->name
,"WWW-Authenticate") ||
452 sipe_strcase_equal(elem
->name
,"Authentication-Info")) ) {
453 if (!g_ascii_strncasecmp((gchar
*)elem
->value
, name
, name_len
)) {
454 /* SIPE_DEBUG_INFO("elem->value: %s", elem->value); */
458 /* SIPE_DEBUG_INFO_NOFORMAT("moving to next header"); */
459 tmp
= g_slist_next(tmp
);
461 SIPE_DEBUG_INFO("auth header '%s' not found.", name
);
466 * Parses headers-like 'msgr' attribute of INVITE's 'ms_text_format' header.
467 * Then retrieves value of 'X-MMS-IM-Format'.
469 * 'msgr' typically looks like:
470 * X-MMS-IM-Format: FN=Microsoft%20Sans%20Serif; EF=BI; CO=800000; CS=0; PF=22
472 static gchar
*sipmsg_get_x_mms_im_format(gchar
*msgr
) {
474 gsize msgr_dec64_len
;
479 gchar
*x_mms_im_format
;
482 if (!msgr
) return NULL
;
483 msgr2
= g_strdup(msgr
);
484 while (strlen(msgr2
) % 4 != 0) {
485 gchar
*tmp_msgr2
= msgr2
;
486 msgr2
= g_strdup_printf("%s=", msgr2
);
489 msgr_dec64
= g_base64_decode(msgr2
, &msgr_dec64_len
);
490 msgr_utf8
= g_convert((gchar
*) msgr_dec64
, msgr_dec64_len
, "UTF-8", "UTF-16LE", NULL
, NULL
, NULL
);
493 lines
= g_strsplit(msgr_utf8
,"\r\n\r\n",0);
495 //@TODO: make extraction like parsing of message headers.
496 parts
= g_strsplit(lines
[0],"X-MMS-IM-Format:",0);
497 x_mms_im_format
= g_strdup(parts
[1]);
500 tmp
= x_mms_im_format
;
501 if (x_mms_im_format
) {
502 while(*x_mms_im_format
==' ' || *x_mms_im_format
=='\t') x_mms_im_format
++;
504 x_mms_im_format
= g_strdup(x_mms_im_format
);
506 return x_mms_im_format
;
509 gchar
*sipmsg_get_msgr_string(gchar
*x_mms_im_format
) {
511 gsize msgr_utf16_len
;
517 if (!x_mms_im_format
) return NULL
;
518 msgr_orig
= g_strdup_printf("X-MMS-IM-Format: %s\r\n\r\n", x_mms_im_format
);
519 msgr_utf16
= g_convert(msgr_orig
, -1, "UTF-16LE", "UTF-8", NULL
, &msgr_utf16_len
, NULL
);
521 msgr_enc
= g_base64_encode((guchar
*) msgr_utf16
, msgr_utf16_len
);
523 len
= strlen(msgr_enc
);
524 while (msgr_enc
[len
- 1] == '=') len
--;
525 res
= g_strndup(msgr_enc
, len
);
530 static void msn_parse_format(const char *mime
, char **pre_ret
, char **post_ret
);
533 * Translates X-MMS-IM format to HTML presentation.
535 static gchar
*sipmsg_apply_x_mms_im_format(const char *x_mms_im_format
, gchar
*body
) {
539 if (!x_mms_im_format
) {
540 return body
? g_strdup(body
) : NULL
;
542 msn_parse_format(x_mms_im_format
, &pre
, &post
);
543 res
= g_strdup_printf("%s%s%s", pre
? pre
: "", body
? body
: "", post
? post
: "");
549 struct html_message_data
{
550 gchar
*ms_text_format
;
555 static void get_html_message_mime_cb(gpointer user_data
,
556 const GSList
*fields
,
560 const gchar
*type
= sipe_utils_nameval_find(fields
, "Content-Type");
561 struct html_message_data
*data
= user_data
;
563 if (!data
->preferred
) {
564 gboolean copy
= FALSE
;
566 /* preferred format */
567 if (g_str_has_prefix(type
, "text/html")) {
569 data
->preferred
= TRUE
;
571 /* fallback format */
572 } else if (g_str_has_prefix(type
, "text/plain")) {
577 g_free(data
->ms_text_format
);
579 data
->ms_text_format
= g_strdup(type
);
580 data
->body
= g_strndup(body
, length
);
585 /* ms-text-format: text/plain; charset=UTF-8;msgr=WAAtAE0...DIADQAKAA0ACgA;ms-body=SGk= */
586 gchar
*get_html_message(const gchar
*ms_text_format_in
, const gchar
*body_in
)
590 gchar
*ms_text_format
= NULL
;
593 if (g_str_has_prefix(ms_text_format_in
, "multipart/related") ||
594 g_str_has_prefix(ms_text_format_in
, "multipart/alternative")) {
595 struct html_message_data data
= { NULL
, NULL
, FALSE
};
597 sipe_mime_parts_foreach(ms_text_format_in
, body_in
,
598 get_html_message_mime_cb
, &data
);
600 ms_text_format
= data
.ms_text_format
;
604 ms_text_format
= g_strdup(ms_text_format_in
);
605 body
= g_strdup(body_in
);
611 gchar
*tmp
= sipmsg_find_part_of_header(ms_text_format
, "ms-body=", NULL
, NULL
);
614 g_free(ms_text_format
);
617 res
= (gchar
*) g_base64_decode(tmp
, &len
);
620 g_free(ms_text_format
);
625 if (g_str_has_prefix(ms_text_format
, "text/html")) {
627 * HTML uses tags for formatting, not line breaks. But
628 * clients still might render them, so we need to remove
629 * them to avoid incorrect text rendering.
632 const gchar
*s
= res
;
635 /* No ANSI C nor glib function seems to exist for this :-( */
637 if ((c
!= '\n') && (c
!= '\r'))
643 res
= g_markup_escape_text(res
, -1); // as this is not html
647 msgr
= sipmsg_find_part_of_header(ms_text_format
, "msgr=", ";", NULL
);
649 gchar
*x_mms_im_format
= sipmsg_get_x_mms_im_format(msgr
);
652 res
= sipmsg_apply_x_mms_im_format(x_mms_im_format
, res
);
654 g_free(x_mms_im_format
);
657 g_free(ms_text_format
);
663 get_reason(struct sipmsg
*msg
, const gchar
*header
)
665 const gchar
*diagnostics
= sipmsg_find_header(msg
, header
);
667 return sipmsg_find_part_of_header(diagnostics
, "reason=\"", "\"", NULL
);
673 sipmsg_get_ms_diagnostics_reason(struct sipmsg
*msg
)
675 return get_reason(msg
, "ms-diagnostics");
679 sipmsg_get_ms_diagnostics_public_reason(struct sipmsg
*msg
)
681 return get_reason(msg
, "ms-diagnostics-public");
685 sipmsg_parse_warning(struct sipmsg
*msg
, gchar
**reason
)
689 * Warning: 310 lcs.microsoft.com "You are currently not using the recommended version of the client"
691 const gchar
*hdr
= sipmsg_find_header(msg
, "Warning");
698 gchar
**parts
= g_strsplit(hdr
, " ", 3);
701 code
= atoi(parts
[0]);
703 if (reason
&& parts
[1] && parts
[2]) {
704 size_t len
= strlen(parts
[2]);
705 if (len
> 2 && parts
[2][0] == '"' && parts
[2][len
- 1] == '"')
706 *reason
= g_strndup(parts
[2] + 1, len
- 2);
718 //------------------------------------------------------------------------------------------
719 //TEMP solution to include it here (copy from purple's msn protocol
720 //How to reuse msn's util methods from sipe?
722 /* from internal.h */
724 #define BUF_LEN MSG_LEN
727 msn_parse_format(const char *mime
, char **pre_ret
, char **post_ret
)
730 GString
*pre
= g_string_new(NULL
);
731 GString
*post
= g_string_new(NULL
);
732 unsigned int colors
[3];
734 if (pre_ret
!= NULL
) *pre_ret
= NULL
;
735 if (post_ret
!= NULL
) *post_ret
= NULL
;
737 cur
= strstr(mime
, "FN=");
739 if (cur
&& (*(cur
= cur
+ 3) != ';'))
741 pre
= g_string_append(pre
, "<FONT FACE=\"");
743 while (*cur
&& *cur
!= ';')
745 pre
= g_string_append_c(pre
, *cur
);
749 pre
= g_string_append(pre
, "\">");
750 post
= g_string_prepend(post
, "</FONT>");
753 cur
= strstr(mime
, "EF=");
755 if (cur
&& (*(cur
= cur
+ 3) != ';'))
757 while (*cur
&& *cur
!= ';')
759 pre
= g_string_append_c(pre
, '<');
760 pre
= g_string_append_c(pre
, *cur
);
761 pre
= g_string_append_c(pre
, '>');
762 post
= g_string_prepend_c(post
, '>');
763 post
= g_string_prepend_c(post
, *cur
);
764 post
= g_string_prepend_c(post
, '/');
765 post
= g_string_prepend_c(post
, '<');
770 cur
= strstr(mime
, "CO=");
772 if (cur
&& (*(cur
= cur
+ 3) != ';'))
776 i
= sscanf(cur
, "%02x%02x%02x;", &colors
[0], &colors
[1], &colors
[2]);
789 unsigned int temp
= colors
[0];
791 colors
[0] = colors
[1];
797 unsigned int temp
= colors
[2];
799 colors
[2] = colors
[0];
803 /* hh is undefined in mingw's gcc 4.4
804 * https://sourceforge.net/tracker/index.php?func=detail&aid=2818436&group_id=2435&atid=102435
806 g_snprintf(tag
, sizeof(tag
),
807 "<FONT COLOR=\"#%02x%02x%02x\">",
808 (unsigned char)colors
[0], (unsigned char)colors
[1], (unsigned char)colors
[2]);
810 pre
= g_string_append(pre
, tag
);
811 post
= g_string_prepend(post
, "</FONT>");
815 cur
= strstr(mime
, "RL=");
817 if (cur
&& (*(cur
= cur
+ 3) != ';'))
821 /* RTL text was received */
822 pre
= g_string_append(pre
, "<SPAN style=\"direction:rtl;text-align:right;\">");
823 post
= g_string_prepend(post
, "</SPAN>");
827 cur
= sipe_utils_uri_unescape(pre
->str
);
828 g_string_free(pre
, TRUE
);
835 cur
= sipe_utils_uri_unescape(post
->str
);
836 g_string_free(post
, TRUE
);
838 if (post_ret
!= NULL
)
845 encode_spaces(const char *str
)
847 static char buf
[BUF_LEN
];
851 g_return_val_if_fail(str
!= NULL
, NULL
);
853 for (c
= str
, d
= buf
; *c
!= '\0'; c
++)
870 sipe_parse_html(const char *html
, char **attributes
, char **message
)
872 int len
, retcount
= 0;
875 char *fontface
= NULL
;
878 char direction
= '0';
880 gboolean has_bold
= FALSE
;
881 gboolean has_italic
= FALSE
;
882 gboolean has_underline
= FALSE
;
883 gboolean has_strikethrough
= FALSE
;
885 g_return_if_fail(html
!= NULL
);
886 g_return_if_fail(attributes
!= NULL
);
887 g_return_if_fail(message
!= NULL
);
890 msg
= g_malloc0(len
+ 1);
892 memset(fontcolor
, 0, sizeof(fontcolor
));
893 strcat(fontcolor
, "0");
894 memset(fonteffect
, 0, sizeof(fonteffect
));
896 for (c
= html
; *c
!= '\0';)
900 if (!g_ascii_strncasecmp(c
+ 1, "br>", 3))
902 msg
[retcount
++] = '\r';
903 msg
[retcount
++] = '\n';
906 else if (!g_ascii_strncasecmp(c
+ 1, "i>", 2))
910 strcat(fonteffect
, "I");
915 else if (!g_ascii_strncasecmp(c
+ 1, "b>", 2))
919 strcat(fonteffect
, "B");
924 else if (!g_ascii_strncasecmp(c
+ 1, "u>", 2))
928 strcat(fonteffect
, "U");
929 has_underline
= TRUE
;
933 else if (!g_ascii_strncasecmp(c
+ 1, "s>", 2))
935 if (!has_strikethrough
)
937 strcat(fonteffect
, "S");
938 has_strikethrough
= TRUE
;
942 else if (!g_ascii_strncasecmp(c
+ 1, "a href=\"", 8))
946 if (!g_ascii_strncasecmp(c
, "mailto:", 7))
949 while ((*c
!= '\0') && g_ascii_strncasecmp(c
, "\">", 2))
950 msg
[retcount
++] = *c
++;
955 /* ignore descriptive string */
956 while ((*c
!= '\0') && g_ascii_strncasecmp(c
, "</a>", 4))
962 else if (!g_ascii_strncasecmp(c
+ 1, "span", 4))
964 /* Bi-directional text support using CSS properties in span tags */
967 while (*c
!= '\0' && *c
!= '>')
971 if (!g_ascii_strncasecmp(c
, "dir=\"rtl\"", 9))
976 else if (!g_ascii_strncasecmp(c
, "style=\"", 7))
978 /* Parse inline CSS attributes */
981 while (*(c
+ attr_len
) != '\0' && *(c
+ attr_len
) != '"')
983 if (*(c
+ attr_len
) == '"')
985 char *css_attributes
;
987 css_attributes
= g_strndup(c
, attr_len
);
988 attr_dir
= sipe_backend_markup_css_property(css_attributes
, "direction");
989 g_free(css_attributes
);
990 if (attr_dir
&& (!g_ascii_strncasecmp(attr_dir
, "RTL", 3)))
1004 else if (!g_ascii_strncasecmp(c
+ 1, "font", 4))
1008 while ((*c
!= '\0') && !g_ascii_strncasecmp(c
, " ", 1))
1011 if (!g_ascii_strncasecmp(c
, "color=\"#", 7))
1015 fontcolor
[0] = *(c
+ 4);
1016 fontcolor
[1] = *(c
+ 5);
1017 fontcolor
[2] = *(c
+ 2);
1018 fontcolor
[3] = *(c
+ 3);
1020 fontcolor
[5] = *(c
+ 1);
1024 else if (!g_ascii_strncasecmp(c
, "face=\"", 6))
1026 const char *end
= NULL
;
1027 const char *comma
= NULL
;
1028 unsigned int namelen
= 0;
1031 end
= strchr(c
, '\"');
1032 comma
= strchr(c
, ',');
1034 if (comma
== NULL
|| comma
> end
)
1035 namelen
= (unsigned int)(end
- c
);
1037 namelen
= (unsigned int)(comma
- c
);
1040 fontface
= g_strndup(c
, namelen
);
1045 /* Drop all unrecognized/misparsed font tags */
1046 while ((*c
!= '\0') && g_ascii_strncasecmp(c
, "\">", 2))
1055 while ((*c
!= '\0') && (*c
!= '>'))
1063 if (!g_ascii_strncasecmp(c
, "<", 4))
1065 msg
[retcount
++] = '<';
1068 else if (!g_ascii_strncasecmp(c
, ">", 4))
1070 msg
[retcount
++] = '>';
1073 else if (!g_ascii_strncasecmp(c
, " ", 6))
1075 msg
[retcount
++] = ' ';
1078 else if (!g_ascii_strncasecmp(c
, """, 6))
1080 msg
[retcount
++] = '"';
1083 else if (!g_ascii_strncasecmp(c
, "&", 5))
1085 msg
[retcount
++] = '&';
1088 else if (!g_ascii_strncasecmp(c
, "'", 6))
1090 msg
[retcount
++] = '\'';
1094 msg
[retcount
++] = *c
++;
1097 msg
[retcount
++] = *c
++;
1100 if (fontface
== NULL
)
1101 fontface
= g_strdup("MS Sans Serif");
1103 *attributes
= g_strdup_printf("FN=%s; EF=%s; CO=%s; PF=0; RL=%c",
1104 encode_spaces(fontface
),
1105 fonteffect
, fontcolor
, direction
);