projects / irc.git / blame
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| 14 | <H1>[Ircservices-coding] akill sanity checking</H1> | |
| 15 | <B>Andy Smith</B> | |
| 16 | <A HREF="mailto:ircservices-coding%40ircservices.za.net?Subject=%5BIrcservices-coding%5D%20akill%20sanity%20checking&In-Reply-To=" | |
| 17 | TITLE="[Ircservices-coding] akill sanity checking">andy at strugglers.net | |
| 18 | </A><BR> | |
| 19 | <I>Sat Jan 27 04:18:06 PST 2001</I> | |
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| 33 | <!--beginarticle--> | |
| 34 | <PRE>Hi, | |
| 35 | ||
| 36 | There's a FIXME in the ADD section of do_akill from akill.c regarding | |
| 37 | wanting a better way to check for an insane akill mask. I've found the | |
| 38 | following idea useful: | |
| 39 | ||
| 40 | for (i = strlen(mask) - 1; | |
| 41 | i > 0 && mask[i] != '@'; i--) { | |
| 42 | if (! strchr("*?.", mask[i])) { | |
| 43 | nonwild++; | |
| 44 | } | |
| 45 | } | |
| 46 | ||
| 47 | if (AkillWildThresh && nonwild < AkillWildThresh) { | |
| 48 | notice_lang(s_OperServ, u, | |
| 49 | OPER_AKILL_MASK_TOO_GENERAL); | |
| 50 | return; | |
| 51 | } | |
| 52 | ||
| 53 | i.e. it counts from right to left in the mask checking how many characters | |
| 54 | there are which don't match '?', '*' or '.'. AkillWildThresh would be a | |
| 55 | config option, an example setting of 4 would prevent the following akills: | |
| 56 | ||
| 57 | *@* | |
| 58 | *@?* | |
| 59 | *@*?com | |
| 60 | *@*.com | |
| 61 | ||
| 62 | but would allow akills such as: | |
| 63 | ||
| 64 | *@*a.com | |
| 65 | *@foobar* | |
| 66 | ||
| 67 | Works for me, and is nicely configurable. | |
| 68 | ||
| 69 | -- | |
| 70 | Andy Smith <<A HREF="http://www.ircservices.za.net/mailman/listinfo/ircservices-coding">andy at strugglers.net</A>> | |
| 71 | ||
| 72 | ||
| 73 | </PRE> | |
| 74 | ||
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