[asterisk-bugs] [JIRA] (ASTERISK-29614) app_agent_pool: XML Doc: unterminated entity reference

[Friendly Automation (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29614?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Friendly Automation closed ASTERISK-29614.
------------------------------------------

    Resolution: Fixed

> app_agent_pool: XML Doc: unterminated entity reference
> ------------------------------------------------------
>
>                 Key: ASTERISK-29614
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29614
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_agent_pool, Applications/app_skel, Documentation
>    Affects Versions: 13.38.3, 16.20.0, 18.6.0, 19.0.0
>         Environment: Ubuntu 18.04 LTS
> ./configure --enable-xmldoc, which is the default
> make all or make full, does not matter
>            Reporter: Alexander Traud
>            Assignee: Sean Bright
>            Severity: Major
>
> This issue seems not to be of constant occurrence. Furthermore, I was not able to find any reports about this except several failed builds in Gerrit. Perhaps those are related but I did not investigated those further, yet. 
> Currently, I am able to replicate it quite constant and was able to investigate a bit with GDB. However, I am reporting early in my analysis, perhaps somebody sees the culprit faster.
> *My symptom*:
> {code} Loading app_agent_pool.so.
>   == Manager registered action Agents
>   == Manager registered action AgentLogoff
>   == Registered custom function 'AGENT'
>   == Registered application 'AgentLogin'
>   == Registered application 'AgentRequest'
> error : unterminated entity reference            ���
>   == app_agent_pool.so => (Call center agent pool applications){code}*My call stack*:
> apps/app_agent_pool.c
> ⤷ load_module
>    ⤷ load_config
>       ⤷ aco_info_init
>          ⤷ type = agent_type (the second type from {{app_agent_pool}}, the one after the {{general_type}})
>             ⤷ xmldoc_update_config_type in file main/xml.c
>                ⤷ ast_xml_set_text
>                   ⤷ xmlNodeSetContent
> That error is not printed, when I remove _all_ categories except the terminating NULL, in the file {{apps/app_agent_pool.c}}, in the string array {{agent_type_blacklist}}. That error is not printed, when I comment/disable at least four of the eight {{aco_option_register}} in {{load_config}}.
> This looks like a memory corruption, because even when that error is not printed, on the command-line interface (CLI), I am not able to issue {{xmldoc dump <file>}} when the module {{app_agent_pool}} is loaded. I get errors like {{output error : string is not in UTF-8}} or {{xmlEscapeEntities : char out of range}}.
> *Workarounds*:
> a) {{./configure --disable-xmldoc}} or
> b) disable the module {{app_agent_pool}} via {{make menuselect}} or
> c) noload the module {{app_agent_pool}} via the configuration file {{modules.conf}} or
> d) change the string array {{agent_type_blacklist}} to contain just the terminating {{NULL}} value



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