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Handle invalid agent keys by skipping rather than exiting.

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My agent exposes both conventional keys and certs (ecdsa-sha2-nistp256-cert-v01@openssh.com) and I want dropbear to be able to use the former.
This commit is contained in:
Catalin Patulea 2015-01-01 17:47:46 -05:00
parent 634415f79e
commit d4609682af
1 changed files with 7 additions and 6 deletions
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7
cli-agentfwd.c
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@ -210,13 +210,14 @@ static void agent_get_key_list(m_list * ret_list)
ret = buf_get_pub_key(key_buf, pubkey, &key_type); ret = buf_get_pub_key(key_buf, pubkey, &key_type);
buf_free(key_buf); buf_free(key_buf);
if (ret != DROPBEAR_SUCCESS) { if (ret != DROPBEAR_SUCCESS) {
/* This is slack, properly would cleanup vars etc */ TRACE(("Skipping bad pubkey from agent"));
dropbear_exit("Bad pubkey received from agent"); sign_key_free(pubkey);
} } else {
pubkey->type = key_type; pubkey->type = key_type;
pubkey->source = SIGNKEY_SOURCE_AGENT; pubkey->source = SIGNKEY_SOURCE_AGENT;
list_append(ret_list, pubkey); list_append(ret_list, pubkey);
}
/* We'll ignore the comment for now. might want it later.*/ /* We'll ignore the comment for now. might want it later.*/
buf_eatstring(inbuf); buf_eatstring(inbuf);