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authorPatrik Nyblom <[email protected]>2010-09-13 11:26:23 +0200
committerPatrik Nyblom <[email protected]>2010-09-13 11:26:23 +0200
commitbbf3ab21b404aedbf9c7b7062b1e96062133fe44 (patch)
tree8b1c92bf4026ac89bb5e53487fd33165852d271a /lib/erl_interface/doc/src/ei_connect.xml
parent9c563c44bb4a7aeabb737ddf4dca5d6639502397 (diff)
parent2f2d592385b53ce594623a614c2e0cd8e2107d7d (diff)
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Merge branch 'pan/epmd-vulnerabilities/OTP-8780' into dev
* pan/epmd-vulnerabilities/OTP-8780: Teach testcases to survive TIME_WAIT overload Update erl_interface doc and testsuite for epmd changes Restore null termination of input buffer Teach testcase epmd_SUITE:too_large to accept econnaborted Teach epmd_cli.c to not respond 'Killed' when killing denied Calculate minimal packet size for ALIVE2 requests correctly Document epmd and it's options properly and fixup help text Fix anomalies in epmd not yet reported as security issues Remove two buffer overflow vulnerabilities in EPMD Remove all support for ancient EPMD protocol Remove very old protocol from EPMD Conflicts: lib/erl_interface/src/epmd/epmd_port.c
Diffstat (limited to 'lib/erl_interface/doc/src/ei_connect.xml')
-rw-r--r--lib/erl_interface/doc/src/ei_connect.xml27
1 files changed, 15 insertions, 12 deletions
diff --git a/lib/erl_interface/doc/src/ei_connect.xml b/lib/erl_interface/doc/src/ei_connect.xml
index 36dfb149cc..f562615ddd 100644
--- a/lib/erl_interface/doc/src/ei_connect.xml
+++ b/lib/erl_interface/doc/src/ei_connect.xml
@@ -4,7 +4,7 @@
<cref>
<header>
<copyright>
- <year>2001</year><year>2009</year>
+ <year>2001</year><year>2010</year>
<holder>Ericsson AB. All Rights Reserved.</holder>
</copyright>
<legalnotice>
@@ -508,7 +508,7 @@ if (ei_decode_version(result.buff, &index) < 0
same as the port number that was previously bound to the socket.</p>
<p><c><![CDATA[addr]]></c> is the 32-bit IP address of the local host.</p>
<p>To unregister with epmd, simply close the returned
- descriptor. See also <c><![CDATA[ei_unpublish()]]></c>.</p>
+ descriptor. Do not use <c><![CDATA[ei_unpublish()]]></c>, which is deprecated anyway.</p>
<p>On success, the functions return a descriptor connecting the
calling process to epmd. On failure, they return -1 and set
<c><![CDATA[erl_errno]]></c> to <c><![CDATA[EIO]]></c>.</p>
@@ -558,18 +558,21 @@ typedef struct {
</func>
<func>
<name><ret>int</ret><nametext>ei_unpublish(ei_cnode *ec)</nametext></name>
- <fsummary>Unpublish a node name</fsummary>
+ <fsummary>Forcefully unpublish a node name</fsummary>
<desc>
<p>This function can be called by a process to unregister a
- specified node from epmd on the localhost. This may be
- useful, for example, when epmd has not detected the failure of a
- node, and will not allow the name to be reused. If you use this
- function to unregister your own process, be sure to also close
- the descriptor that was returned by <c><![CDATA[ei_publish()]]></c>.</p>
- <note>
- <p>Careless use of this function may have unpredictable
- results, if the registered node is in fact still running.</p>
- </note>
+ specified node from epmd on the localhost. This is however usually not
+ allowed, unless epmd was started with the -relaxed_command_check
+ flag, which it normally isn't.</p>
+
+ <p>To unregister a node you have published, you should
+ close the descriptor that was returned by
+ <c><![CDATA[ei_publish()]]></c>.</p>
+
+ <warning>
+ <p>This function is deprecated and will be removed in a future
+ release.</p>
+ </warning>
<p><c><![CDATA[ec]]></c> is the node structure of the node to unregister.</p>
<p>If the node was successfully unregistered from epmd, the
function returns 0. Otherwise, it returns -1 and sets