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Fix for MDEV-140, LPBug#930145 - broken SSL connectivity for some connectors

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This commit is contained in:
Vladislav Vaintroub
2012-02-11 14:57:44 +01:00
parent 81690cf326 b3e15f8389
commit e2cb03c980
1 changed files with 20 additions and 14 deletions
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34
sql/sql_acl.cc
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@ -7493,22 +7493,9 @@ static ulong parse_client_handshake_packet(MPVIO_EXT *mpvio,
ulong client_capabilities= uint2korr(net->read_pos);
if (client_capabilities & CLIENT_PROTOCOL_41)
{
if (pkt_len < 32)
if (pkt_len < 4)
return packet_error;
client_capabilities|= ((ulong) uint2korr(net->read_pos+2)) << 16;
thd->max_client_packet_length= uint4korr(net->read_pos+4);
DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
if (thd_init_client_charset(thd, (uint) net->read_pos[8]))
return packet_error;
thd->update_charset();
end= (char*) net->read_pos+32;
}
else
{
if (pkt_len < 5)
return packet_error;
thd->max_client_packet_length= uint3korr(net->read_pos+2);
end= (char*) net->read_pos+5;
}
/* Disable those bits which are not supported by the client. */
@ -7543,6 +7530,25 @@ static ulong parse_client_handshake_packet(MPVIO_EXT *mpvio,
}
}
if (client_capabilities & CLIENT_PROTOCOL_41)
{
if (pkt_len < 32)
return packet_error;
thd->max_client_packet_length= uint4korr(net->read_pos+4);
DBUG_PRINT("info", ("client_character_set: %d", (uint) net->read_pos[8]));
if (thd_init_client_charset(thd, (uint) net->read_pos[8]))
return packet_error;
thd->update_charset();
end= (char*) net->read_pos+32;
}
else
{
if (pkt_len < 5)
return packet_error;
thd->max_client_packet_length= uint3korr(net->read_pos+2);
end= (char*) net->read_pos+5;
}
if (end >= (char*) net->read_pos+ pkt_len +2)
return packet_error;