[asterisk-bugs] [JIRA] (ASTERISK-23713) Voicemail on FS overwrites last message when last index = MSGLIMIT

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23713?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Matt Jordan closed ASTERISK-23713.
----------------------------------

    Resolution: Cannot Reproduce

I'm going to go ahead and close this out as "Can't Reproduce".

If you do find out what was causing the resequencing problems, and feel it is due to a bug in Asterisk, comment here and we can reopen the issue.

> Voicemail on FS overwrites last message when last index = MSGLIMIT
> ------------------------------------------------------------------
>
>                 Key: ASTERISK-23713
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23713
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Applications/app_voicemail
>    Affects Versions: SVN, 12.2.0
>         Environment: app_voicemail delivery on filesystem.
> Any asterisk supported platform is probably affected.
>            Reporter: Miguel Tavares
>            Assignee: Rusty Newton
>
> When leaving a voicemail the function last_message_index will stop at index only until the default or configured max messages (vmu->maxmsg) although it should continue until MAXMSGLIMIT.
> Example, let's say the asterisk admin set the maximum messages to 10, the user received 10 messages and then deleted 9 apart from the last one. In the filesystem the files msg0010.txt and msg0010.wav will be present.
> The last_message_index will detect that that's the only message available but then  when finding out what's the index it will stop at 9 (the configure maximum when counting from 0) and return that as the last message index, making he voicemail app to overwrite the previous existing last message.
> Possible fix, in app_voicemail.c
> {noformat}
> 112a113
> > #include <string.h>
> 4434c4435
> <       unsigned char map[MAXMSGLIMIT] = "";
> ---
> >       unsigned char map[MAXMSGLIMIT];
> 4440a4442
> >     memset (map, 0, sizeof(map)); //set the memory to 0 for Safety sake.
> 4458c4460
> <       for (x = 0; x < vmu->maxmsg; x++) {
> ---
> >       for (x = 0; x < MAXMSGLIMIT; x++) {
> {noformat}
> The important change is running the for cycle until MAXMSGLIMIT but as far as I know there's no guarantee that memory allocated in the stack is zeroed so that's why I also included the memset call.



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