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Avoid caches to get the most recent copy of the key. This is bug

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#1061
This commit is contained in:
David Shaw 2009-05-26 14:15:56 +00:00
parent 0bbe6eda34
commit e8436d575e
9 changed files with 131 additions and 11 deletions
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23
keyserver/gpgkeys_hkp.c
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@ -550,6 +550,7 @@ main(int argc,char *argv[])
int failed=0;
struct keylist *keylist=NULL,*keyptr=NULL;
char *proxy=NULL;
struct curl_slist *headers=NULL;
console=stderr;
@ -746,6 +747,26 @@ main(int argc,char *argv[])
curl_easy_setopt(curl,CURLOPT_SSL_VERIFYPEER,(long)opt->flags.check_cert);
curl_easy_setopt(curl,CURLOPT_CAINFO,opt->ca_cert_file);
/* Avoid caches to get the most recent copy of the key. This is bug
#1061. In pre-curl versions of the code, we didn't do it. Then
we did do it (as a curl default) until curl changed the default.
Now we're doing it again, but in such a way that changing
defaults in the future won't impact us. We set both the Pragma
and Cache-Control versions of the header, so we're good with both
HTTP 1.0 and 1.1. */
headers=curl_slist_append(headers,"Pragma: no-cache");
if(headers)
headers=curl_slist_append(headers,"Cache-Control: no-cache");
if(!headers)
{
fprintf(console,"gpgkeys: out of memory when building HTTP headers\n");
ret=KEYSERVER_NO_MEMORY;
goto fail;
}
curl_easy_setopt(curl,CURLOPT_HTTPHEADER,headers);
if(proxy)
curl_easy_setopt(curl,CURLOPT_PROXY,proxy);
@ -923,6 +944,8 @@ main(int argc,char *argv[])
free_ks_options(opt);
curl_slist_free_all(headers);
if(curl)
curl_easy_cleanup(curl);