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compare host names by address lookup instead of simple string comparison

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unknown 2005-09-16 00:15:47 +02:00
parent e6560c0da0
commit 2b6f6d6ce6
1 changed files with 45 additions and 3 deletions
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48
ndb/tools/ndb_config.cpp
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@ -23,6 +23,8 @@
#include <my_getopt.h>
#include <mysql_version.h>
#include <netdb.h>
#include <NdbOut.hpp>
#include <mgmapi.h>
#include <mgmapi_configuration.hpp>
@ -127,6 +129,11 @@ struct Match
virtual int eval(NdbMgmHandle, const Iter&);
};
struct HostMatch : public Match
{
virtual int eval(NdbMgmHandle, const Iter&);
};
struct Apply
{
Apply() {}
@ -297,9 +304,10 @@ parse_where(Vector<Match*>& where, int &argc, char**& argv)
Match m;
if(g_host)
{
m.m_key = CFG_NODE_HOST;
m.m_value.assfmt("%s", g_host);
where.push_back(new Match(m));
HostMatch *m = new HostMatch;
m->m_key = CFG_NODE_HOST;
m->m_value.assfmt("%s", g_host);
where.push_back(m);
}
if(g_type)
@ -375,6 +383,40 @@ Match::eval(NdbMgmHandle h, const Iter& iter)
return 1;
}
int
HostMatch::eval(NdbMgmHandle h, const Iter& iter)
{
const char* valc;
if(iter.get(m_key, &valc) == 0)
{
struct hostent *h1, *h2;
h1 = gethostbyname(m_value.c_str());
if (h1 == NULL) {
return 0;
}
h2 = gethostbyname(valc);
if (h2 == NULL) {
return 0;
}
if (h1->h_addrtype != h2->h_addrtype) {
return 0;
}
if (h1->h_length != h2->h_length)
{
return 0;
}
return 0 == memcmp(h1->h_addr, h2->h_addr, h1->h_length);
}
return 0;
}
int
Apply::apply(NdbMgmHandle h, const Iter& iter)
{