ports/libssh2
ports/libssh2
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reduce code duplication and return underlying error better

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Этот коммит содержится в:
Daniel Stenberg 2010-03-03 23:57:22 +01:00
родитель c0436fc602
Коммит 1f406feaa4
1 изменённых файлов: 37 добавлений и 33 удалений
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70
src/userauth.c
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@ -111,16 +111,17 @@ static char *userauth_list(LIBSSH2_SESSION *session, const char *username,
libssh2_error(session, LIBSSH2_ERROR_EAGAIN,
"Would block requesting userauth list");
return NULL;
} else if (rc) {
}
/* now free the packet that was sent */
LIBSSH2_FREE(session, session->userauth_list_data);
session->userauth_list_data = NULL;
if (rc) {
libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND,
"Unable to send userauth-none request");
LIBSSH2_FREE(session, session->userauth_list_data);
session->userauth_list_data = NULL;
session->userauth_list_state = libssh2_NB_state_idle;
return NULL;
}
LIBSSH2_FREE(session, session->userauth_list_data);
session->userauth_list_data = NULL;
session->userauth_list_state = libssh2_NB_state_sent;
}
@ -157,7 +158,8 @@ static char *userauth_list(LIBSSH2_SESSION *session, const char *username,
memmove(session->userauth_list_data, session->userauth_list_data + 5,
methods_len);
session->userauth_list_data[methods_len] = '\0';
_libssh2_debug(session, LIBSSH2_TRACE_AUTH, "Permitted auth methods: %s",
_libssh2_debug(session, LIBSSH2_TRACE_AUTH,
"Permitted auth methods: %s",
session->userauth_list_data);
}
@ -269,15 +271,17 @@ userauth_password(LIBSSH2_SESSION *session, const char *username,
if (rc == PACKET_EAGAIN) {
return libssh2_error(session, LIBSSH2_ERROR_EAGAIN,
"Would block writing password request");
} else if (rc) {
LIBSSH2_FREE(session, session->userauth_pswd_data);
session->userauth_pswd_data = NULL;
}
/* now free the sent packet */
LIBSSH2_FREE(session, session->userauth_pswd_data);
session->userauth_pswd_data = NULL;
if (rc) {
session->userauth_pswd_state = libssh2_NB_state_idle;
return libssh2_error(session, LIBSSH2_ERROR_SOCKET_SEND,
"Unable to send userauth-password request");
}
LIBSSH2_FREE(session, session->userauth_pswd_data);
session->userauth_pswd_data = NULL;
session->userauth_pswd_state = libssh2_NB_state_sent;
}
@ -417,21 +421,19 @@ userauth_password(LIBSSH2_SESSION *session, const char *username,
return libssh2_error(session, LIBSSH2_ERROR_EAGAIN,
"Would block waiting");
}
else if (rc) {
LIBSSH2_FREE(session, session->userauth_pswd_data);
session->userauth_pswd_data = NULL;
LIBSSH2_FREE(session,
session->userauth_pswd_newpw);
session->userauth_pswd_newpw = NULL;
/* free the allocated packets again */
LIBSSH2_FREE(session, session->userauth_pswd_data);
session->userauth_pswd_data = NULL;
LIBSSH2_FREE(session, session->userauth_pswd_newpw);
session->userauth_pswd_newpw = NULL;
if (rc) {
return libssh2_error(session,
LIBSSH2_ERROR_SOCKET_SEND,
"Unable to send userauth "
"password-change request");
}
LIBSSH2_FREE(session, session->userauth_pswd_data);
session->userauth_pswd_data = NULL;
LIBSSH2_FREE(session, session->userauth_pswd_newpw);
session->userauth_pswd_newpw = NULL;
/*
* Ugliest use of goto ever. Blame it on the
@ -637,14 +639,15 @@ sign_fromfile(LIBSSH2_SESSION *session, unsigned char **sig, size_t *sig_len,
const LIBSSH2_HOSTKEY_METHOD *privkeyobj;
void *hostkey_abstract;
struct iovec datavec;
int rc;
if (file_read_privatekey(session, &privkeyobj, &hostkey_abstract,
session->userauth_pblc_method,
session->userauth_pblc_method_len,
privkey_file->filename,
privkey_file->passphrase)) {
return -1;
}
rc = file_read_privatekey(session, &privkeyobj, &hostkey_abstract,
session->userauth_pblc_method,
session->userauth_pblc_method_len,
privkey_file->filename,
privkey_file->passphrase);
if(rc)
return rc;
datavec.iov_base = (unsigned char *)data;
datavec.iov_len = data_len;
@ -769,16 +772,17 @@ userauth_hostbased_fromfile(LIBSSH2_SESSION *session,
memcpy(session->userauth_host_s, local_username, local_username_len);
session->userauth_host_s += local_username_len;
if (file_read_privatekey(session, &privkeyobj, &abstract,
session->userauth_host_method,
session->userauth_host_method_len,
privatekey, passphrase)) {
rc = file_read_privatekey(session, &privkeyobj, &abstract,
session->userauth_host_method,
session->userauth_host_method_len,
privatekey, passphrase);
if(rc) {
/* Note: file_read_privatekey() calls libssh2_error() */
LIBSSH2_FREE(session, session->userauth_host_method);
session->userauth_host_method = NULL;
LIBSSH2_FREE(session, session->userauth_host_packet);
session->userauth_host_packet = NULL;
return -1;
return rc;
}
_libssh2_htonu32(buf, session->session_id_len);