src/usr.bin/ssh/auth-rh-rsa.c - diff

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Up to [local] / src / usr.bin / ssh

version 1.26, 2001/11/07 22:41:51

version 1.27, 2001/12/27 19:54:53

Line 32

int

auth_rhosts_rsa(struct passwd *pw, const char *client_user, RSA *client_host_key)

auth_rhosts_rsa(struct passwd *pw, const char *client_user, Key *client_host_key)

{

extern ServerOptions options;

const char *canonical_hostname;

HostStatus host_status;

Key *client_key;

debug("Trying rhosts with RSA host authentication for client user %.100s", client_user);

if (pw == NULL || client_host_key == NULL)

if (pw == NULL || client_host_key == NULL || client_host_key->rsa == NULL)

return 0;

/* Check if we would accept it using rhosts authentication. */

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debug("Rhosts RSA authentication: canonical host %.900s", canonical_hostname);

/* wrap the RSA key into a 'generic' key */

host_status = check_key_in_hostfiles(pw, client_host_key,

client_key = key_new(KEY_RSA1);

canonical_hostname, _PATH_SSH_SYSTEM_HOSTFILE,

BN_copy(client_key->rsa->e, client_host_key->e);

BN_copy(client_key->rsa->n, client_host_key->n);

host_status = check_key_in_hostfiles(pw, client_key, canonical_hostname,

_PATH_SSH_SYSTEM_HOSTFILE,

options.ignore_user_known_hosts ? NULL : _PATH_SSH_USER_HOSTFILE);

key_free(client_key);

if (host_status != HOST_OK) {

debug("Rhosts with RSA host authentication denied: unknown or invalid host key");

packet_send_debug("Your host key cannot be verified: unknown or invalid host key.");

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/* A matching host key was found and is known. */

/* Perform the challenge-response dialog with the client for the host key. */

if (!auth_rsa_challenge_dialog(client_host_key)) {

if (!auth_rsa_challenge_dialog(client_host_key->rsa)) {

log("Client on %.800s failed to respond correctly to host authentication.",

canonical_hostname);

return 0;