[asterisk-commits] dvossel: trunk r324664 - in /trunk: ./ channels/ include/asterisk/ main/
SVN commits to the Asterisk project
asterisk-commits at lists.digium.com
Thu Jun 23 13:26:13 CDT 2011
Author: dvossel
Date: Thu Jun 23 13:26:09 2011
New Revision: 324664
URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=324664
Log:
Merged revisions 324652 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.8
................
r324652 | dvossel | 2011-06-23 13:23:21 -0500 (Thu, 23 Jun 2011) | 20 lines
Merged revisions 324634 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.6.2
................
r324634 | dvossel | 2011-06-23 13:18:46 -0500 (Thu, 23 Jun 2011) | 13 lines
Merged revisions 324627 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4
........
r324627 | dvossel | 2011-06-23 13:16:52 -0500 (Thu, 23 Jun 2011) | 7 lines
Addresses AST-2011-010, remote crash in IAX2 driver
Thanks to twilson for identifying the issue and providing the patches.
AST-2011-010
........
................
................
Modified:
trunk/ (props changed)
trunk/channels/chan_iax2.c
trunk/include/asterisk/frame.h
trunk/main/features.c
Propchange: trunk/
------------------------------------------------------------------------------
Binary property 'branch-1.8-merged' - no diff available.
Modified: trunk/channels/chan_iax2.c
URL: http://svnview.digium.com/svn/asterisk/trunk/channels/chan_iax2.c?view=diff&rev=324664&r1=324663&r2=324664
==============================================================================
--- trunk/channels/chan_iax2.c (original)
+++ trunk/channels/chan_iax2.c Thu Jun 23 13:26:09 2011
@@ -5363,10 +5363,6 @@
/* these two cannot be sent, because they require a result */
errno = ENOSYS;
return -1;
- case AST_OPTION_FORMAT_READ:
- case AST_OPTION_FORMAT_WRITE:
- case AST_OPTION_MAKE_COMPATIBLE:
- return -1;
case AST_OPTION_OPRMODE:
errno = EINVAL;
return -1;
@@ -5383,7 +5379,16 @@
ast_mutex_unlock(&iaxsl[callno]);
return 0;
}
- default:
+ /* These options are sent to the other side across the network where
+ * they will be passed to whatever channel is bridged there. Don't
+ * do anything silly like pass an option that transmits pointers to
+ * memory on this machine to a remote machine to use */
+ case AST_OPTION_TONE_VERIFY:
+ case AST_OPTION_TDD:
+ case AST_OPTION_RELAXDTMF:
+ case AST_OPTION_AUDIO_MODE:
+ case AST_OPTION_DIGIT_DETECT:
+ case AST_OPTION_FAX_DETECT:
{
unsigned short callno = PTR_TO_CALLNO(c->tech_pvt);
struct chan_iax2_pvt *pvt;
@@ -5411,7 +5416,12 @@
ast_free(h);
return res;
}
- }
+ default:
+ return -1;
+ }
+
+ /* Just in case someone does a break instead of a return */
+ return -1;
}
static int iax2_queryoption(struct ast_channel *c, int option, void *data, int *datalen)
Modified: trunk/include/asterisk/frame.h
URL: http://svnview.digium.com/svn/asterisk/trunk/include/asterisk/frame.h?view=diff&rev=324664&r1=324663&r2=324664
==============================================================================
--- trunk/include/asterisk/frame.h (original)
+++ trunk/include/asterisk/frame.h Thu Jun 23 13:26:09 2011
@@ -334,45 +334,51 @@
#define AST_OPTION_FLAG_WTF 6
/*! Verify touchtones by muting audio transmission
- (and reception) and verify the tone is still present */
+ * (and reception) and verify the tone is still present
+ * Option data is a single signed char value 0 or 1 */
#define AST_OPTION_TONE_VERIFY 1
-/*! Put a compatible channel into TDD (TTY for the hearing-impared) mode */
+/*! Put a compatible channel into TDD (TTY for the hearing-impared) mode
+ * Option data is a single signed char value 0 or 1 */
#define AST_OPTION_TDD 2
-/*! Relax the parameters for DTMF reception (mainly for radio use) */
+/*! Relax the parameters for DTMF reception (mainly for radio use)
+ * Option data is a single signed char value 0 or 1 */
#define AST_OPTION_RELAXDTMF 3
-/*! Set (or clear) Audio (Not-Clear) Mode */
+/*! Set (or clear) Audio (Not-Clear) Mode
+ * Option data is a single signed char value 0 or 1 */
#define AST_OPTION_AUDIO_MODE 4
/*! Set channel transmit gain
- * Option data is a single signed char
- representing number of decibels (dB)
- to set gain to (on top of any gain
- specified in channel driver)
-*/
+ * Option data is a single signed char representing number of decibels (dB)
+ * to set gain to (on top of any gain specified in channel driver) */
#define AST_OPTION_TXGAIN 5
/*! Set channel receive gain
- * Option data is a single signed char
- representing number of decibels (dB)
- to set gain to (on top of any gain
- specified in channel driver)
-*/
+ * Option data is a single signed char representing number of decibels (dB)
+ * to set gain to (on top of any gain specified in channel driver) */
#define AST_OPTION_RXGAIN 6
-/* set channel into "Operator Services" mode */
+/* set channel into "Operator Services" mode
+ * Option data is a struct oprmode
+ *
+ * \note This option should never be sent over the network */
#define AST_OPTION_OPRMODE 7
-/*! Explicitly enable or disable echo cancelation for the given channel */
+/*! Explicitly enable or disable echo cancelation for the given channel
+ * Option data is a single signed char value 0 or 1
+ *
+ * \note This option appears to be unused in the code. It is handled, but never
+ * set or queried. */
#define AST_OPTION_ECHOCAN 8
/*! \brief Handle channel write data
* If a channel needs to process the data from a func_channel write operation
* after func_channel_write executes, it can define the setoption callback
* and process this option. A pointer to an ast_chan_write_info_t will be passed.
- * */
+ *
+ * \note This option should never be passed over the network. */
#define AST_OPTION_CHANNEL_WRITE 9
/* !
@@ -381,28 +387,38 @@
*/
#define AST_OPTION_T38_STATE 10
-/*! Request that the channel driver deliver frames in a specific format */
+/*! Request that the channel driver deliver frames in a specific format
+ * Option data is a format_t */
#define AST_OPTION_FORMAT_READ 11
-/*! Request that the channel driver be prepared to accept frames in a specific format */
+/*! Request that the channel driver be prepared to accept frames in a specific format
+ * Option data is a format_t */
#define AST_OPTION_FORMAT_WRITE 12
-/*! Request that the channel driver make two channels of the same tech type compatible if possible */
+/*! Request that the channel driver make two channels of the same tech type compatible if possible
+ * Option data is an ast_channel
+ *
+ * \note This option should never be passed over the network */
#define AST_OPTION_MAKE_COMPATIBLE 13
-/*! Get or set the digit detection state of the channel */
+/*! Get or set the digit detection state of the channel
+ * Option data is a single signed char value 0 or 1 */
#define AST_OPTION_DIGIT_DETECT 14
-/*! Get or set the fax tone detection state of the channel */
+/*! Get or set the fax tone detection state of the channel
+ * Option data is a single signed char value 0 or 1 */
#define AST_OPTION_FAX_DETECT 15
-/*! Get the device name from the channel */
+/*! Get the device name from the channel (Read only)
+ * Option data is a character buffer of suitable length */
#define AST_OPTION_DEVICE_NAME 16
-/*! Get the CC agent type from the channel */
+/*! Get the CC agent type from the channel (Read only)
+ * Option data is a character buffer of suitable length */
#define AST_OPTION_CC_AGENT_TYPE 17
-/*! Get or set the security options on a channel */
+/*! Get or set the security options on a channel
+ * Option data is an integer value of 0 or 1 */
#define AST_OPTION_SECURE_SIGNALING 18
#define AST_OPTION_SECURE_MEDIA 19
Modified: trunk/main/features.c
URL: http://svnview.digium.com/svn/asterisk/trunk/main/features.c?view=diff&rev=324664&r1=324663&r2=324664
==============================================================================
--- trunk/main/features.c (original)
+++ trunk/main/features.c Thu Jun 23 13:26:09 2011
@@ -3740,10 +3740,21 @@
break;
case AST_CONTROL_OPTION:
aoh = f->data.ptr;
- /* Forward option Requests */
+ /* Forward option Requests, but only ones we know are safe
+ * These are ONLY sent by chan_iax2 and I'm not convinced that
+ * they are useful. I haven't deleted them entirely because I
+ * just am not sure of the ramifications of removing them. */
if (aoh && aoh->flag == AST_OPTION_FLAG_REQUEST) {
- ast_channel_setoption(other, ntohs(aoh->option), aoh->data,
- f->datalen - sizeof(struct ast_option_header), 0);
+ switch (ntohs(aoh->option)) {
+ case AST_OPTION_TONE_VERIFY:
+ case AST_OPTION_TDD:
+ case AST_OPTION_RELAXDTMF:
+ case AST_OPTION_AUDIO_MODE:
+ case AST_OPTION_DIGIT_DETECT:
+ case AST_OPTION_FAX_DETECT:
+ ast_channel_setoption(other, ntohs(aoh->option), aoh->data,
+ f->datalen - sizeof(struct ast_option_header), 0);
+ }
}
break;
}
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