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Catch corruption in HKP index lines (can be caused by broken or malicious

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keyservers).

Add KEYSERVER_NOT_SUPPORTED for unsupported actions (say, a keyserver that
has no way to search, or a readonly keyserver that has no way to add).
Also add a USE_EXTERNAL_HKP define to disable the internal HKP keyserver
code.
This commit is contained in:
David Shaw 2002-02-19 23:10:32 +00:00
parent 3d8e692e2a
commit 8ac8b1525e
5 changed files with 34 additions and 1 deletions
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9
g10/keyserver.c
View file

@ -538,6 +538,7 @@ keyserver_work(int action,STRLIST list,u32 (*kidlist)[2],int count)
return G10ERR_BAD_URI;
}
#ifndef USE_EXTERNAL_HKP
/* Use the internal HKP code */
if(strcasecmp(opt.keyserver_scheme,"x-hkp")==0 ||
strcasecmp(opt.keyserver_scheme,"hkp")==0 ||
@ -563,6 +564,7 @@ keyserver_work(int action,STRLIST list,u32 (*kidlist)[2],int count)
return 0;
}
#endif
/* It's not the internal HKP code, so try and spawn a handler for it */
@ -576,6 +578,13 @@ keyserver_work(int action,STRLIST list,u32 (*kidlist)[2],int count)
opt.keyserver_scheme);
break;
case KEYSERVER_NOT_SUPPORTED:
log_error(_("action \"%s\" not supported with keyserver "
"scheme \"%s\"\n"),
action==GET?"get":action==SEND?"send":
action==SEARCH?"search":"unknown",
opt.keyserver_scheme);
case KEYSERVER_INTERNAL_ERROR:
default:
log_error(_("keyserver internal error\n"));