Files
NetworkManager/clients/cli/common.c
Thomas Haller a63c4d0824 cli: use designated initializers for setting NmcOutputField fields
Otherwise, changing the structure is difficult because it all depends
on the order (and you don't immdiately see which field is used where).

Also, drop the name_l10n field.
2017-03-30 13:09:58 +02:00

1418 lines
39 KiB
C

/*
* nmcli - command-line tool for controlling NetworkManager
* Common functions and data shared between files.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright 2012 - 2014 Red Hat, Inc.
*/
#include "nm-default.h"
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <readline/readline.h>
#include <readline/history.h>
#include "nm-vpn-helpers.h"
#include "nm-client-utils.h"
#include "common.h"
#include "utils.h"
extern GMainLoop *loop;
#define OUTPUT_FIELD_WITH_NAME(n) { .name = N_ (n), }
/* Available fields for IPv4 group */
NmcOutputField nmc_fields_ip4_config[] = {
OUTPUT_FIELD_WITH_NAME ("GROUP"), /* 0 */
OUTPUT_FIELD_WITH_NAME ("ADDRESS"), /* 1 */
OUTPUT_FIELD_WITH_NAME ("GATEWAY"), /* 2 */
OUTPUT_FIELD_WITH_NAME ("ROUTE"), /* 3 */
OUTPUT_FIELD_WITH_NAME ("DNS"), /* 4 */
OUTPUT_FIELD_WITH_NAME ("DOMAIN"), /* 5 */
OUTPUT_FIELD_WITH_NAME ("WINS"), /* 6 */
{ 0 }
};
#define NMC_FIELDS_IP4_CONFIG_ALL "GROUP,ADDRESS,GATEWAY,ROUTE,DNS,DOMAIN,WINS"
/* Available fields for DHCPv4 group */
NmcOutputField nmc_fields_dhcp4_config[] = {
OUTPUT_FIELD_WITH_NAME ("GROUP"), /* 0 */
OUTPUT_FIELD_WITH_NAME ("OPTION"), /* 1 */
{ 0 }
};
#define NMC_FIELDS_DHCP4_CONFIG_ALL "GROUP,OPTION"
/* Available fields for IPv6 group */
NmcOutputField nmc_fields_ip6_config[] = {
OUTPUT_FIELD_WITH_NAME ("GROUP"), /* 0 */
OUTPUT_FIELD_WITH_NAME ("ADDRESS"), /* 1 */
OUTPUT_FIELD_WITH_NAME ("GATEWAY"), /* 2 */
OUTPUT_FIELD_WITH_NAME ("ROUTE"), /* 3 */
OUTPUT_FIELD_WITH_NAME ("DNS"), /* 4 */
OUTPUT_FIELD_WITH_NAME ("DOMAIN"), /* 5 */
{ 0 }
};
#define NMC_FIELDS_IP6_CONFIG_ALL "GROUP,ADDRESS,GATEWAY,ROUTE,DNS,DOMAIN"
/* Available fields for DHCPv6 group */
NmcOutputField nmc_fields_dhcp6_config[] = {
OUTPUT_FIELD_WITH_NAME ("GROUP"), /* 0 */
OUTPUT_FIELD_WITH_NAME ("OPTION"), /* 1 */
{ 0 }
};
#define NMC_FIELDS_DHCP6_CONFIG_ALL "GROUP,OPTION"
gboolean
print_ip4_config (NMIPConfig *cfg4,
NmCli *nmc,
const char *group_prefix,
const char *one_field)
{
GPtrArray *ptr_array;
char **addr_arr = NULL;
char **route_arr = NULL;
char **dns_arr = NULL;
char **domain_arr = NULL;
char **wins_arr = NULL;
int i = 0;
NmcOutputField *tmpl, *arr;
size_t tmpl_len;
if (cfg4 == NULL)
return FALSE;
tmpl = nmc_fields_ip4_config;
tmpl_len = sizeof (nmc_fields_ip4_config);
nmc->print_fields.indices = parse_output_fields (one_field ? one_field : NMC_FIELDS_IP4_CONFIG_ALL,
tmpl, FALSE, NULL, NULL);
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_FIELD_NAMES);
g_ptr_array_add (nmc->output_data, arr);
/* addresses */
ptr_array = nm_ip_config_get_addresses (cfg4);
if (ptr_array) {
addr_arr = g_new (char *, ptr_array->len + 1);
for (i = 0; i < ptr_array->len; i++) {
NMIPAddress *addr = (NMIPAddress *) g_ptr_array_index (ptr_array, i);
addr_arr[i] = g_strdup_printf ("%s/%u",
nm_ip_address_get_address (addr),
nm_ip_address_get_prefix (addr));
}
addr_arr[i] = NULL;
}
/* routes */
ptr_array = nm_ip_config_get_routes (cfg4);
if (ptr_array) {
route_arr = g_new (char *, ptr_array->len + 1);
for (i = 0; i < ptr_array->len; i++) {
NMIPRoute *route = (NMIPRoute *) g_ptr_array_index (ptr_array, i);
const char *next_hop;
next_hop = nm_ip_route_get_next_hop (route);
if (!next_hop)
next_hop = "0.0.0.0";
route_arr[i] = g_strdup_printf ("dst = %s/%u, nh = %s%c mt = %u",
nm_ip_route_get_dest (route),
nm_ip_route_get_prefix (route),
next_hop,
nm_ip_route_get_metric (route) == -1 ? '\0' : ',',
(guint32) nm_ip_route_get_metric (route));
}
route_arr[i] = NULL;
}
/* DNS */
dns_arr = g_strdupv ((char **) nm_ip_config_get_nameservers (cfg4));
/* domains */
domain_arr = g_strdupv ((char **) nm_ip_config_get_domains (cfg4));
/* WINS */
wins_arr = g_strdupv ((char **) nm_ip_config_get_wins_servers (cfg4));
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_SECTION_PREFIX);
set_val_strc (arr, 0, group_prefix);
set_val_arr (arr, 1, addr_arr);
set_val_strc (arr, 2, nm_ip_config_get_gateway (cfg4));
set_val_arr (arr, 3, route_arr);
set_val_arr (arr, 4, dns_arr);
set_val_arr (arr, 5, domain_arr);
set_val_arr (arr, 6, wins_arr);
g_ptr_array_add (nmc->output_data, arr);
print_data (nmc); /* Print all data */
/* Remove any previous data */
nmc_empty_output_fields (nmc);
return TRUE;
}
gboolean
print_ip6_config (NMIPConfig *cfg6,
NmCli *nmc,
const char *group_prefix,
const char *one_field)
{
GPtrArray *ptr_array;
char **addr_arr = NULL;
char **route_arr = NULL;
char **dns_arr = NULL;
char **domain_arr = NULL;
int i = 0;
NmcOutputField *tmpl, *arr;
size_t tmpl_len;
if (cfg6 == NULL)
return FALSE;
tmpl = nmc_fields_ip6_config;
tmpl_len = sizeof (nmc_fields_ip6_config);
nmc->print_fields.indices = parse_output_fields (one_field ? one_field : NMC_FIELDS_IP6_CONFIG_ALL,
tmpl, FALSE, NULL, NULL);
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_FIELD_NAMES);
g_ptr_array_add (nmc->output_data, arr);
/* addresses */
ptr_array = nm_ip_config_get_addresses (cfg6);
if (ptr_array) {
addr_arr = g_new (char *, ptr_array->len + 1);
for (i = 0; i < ptr_array->len; i++) {
NMIPAddress *addr = (NMIPAddress *) g_ptr_array_index (ptr_array, i);
addr_arr[i] = g_strdup_printf ("%s/%u",
nm_ip_address_get_address (addr),
nm_ip_address_get_prefix (addr));
}
addr_arr[i] = NULL;
}
/* routes */
ptr_array = nm_ip_config_get_routes (cfg6);
if (ptr_array) {
route_arr = g_new (char *, ptr_array->len + 1);
for (i = 0; i < ptr_array->len; i++) {
NMIPRoute *route = (NMIPRoute *) g_ptr_array_index (ptr_array, i);
const char *next_hop;
next_hop = nm_ip_route_get_next_hop (route);
if (!next_hop)
next_hop = "::";
route_arr[i] = g_strdup_printf ("dst = %s/%u, nh = %s%c mt = %u",
nm_ip_route_get_dest (route),
nm_ip_route_get_prefix (route),
next_hop,
nm_ip_route_get_metric (route) == -1 ? '\0' : ',',
(guint32) nm_ip_route_get_metric (route));
}
route_arr[i] = NULL;
}
/* DNS */
dns_arr = g_strdupv ((char **) nm_ip_config_get_nameservers (cfg6));
/* domains */
domain_arr = g_strdupv ((char **) nm_ip_config_get_domains (cfg6));
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_SECTION_PREFIX);
set_val_strc (arr, 0, group_prefix);
set_val_arr (arr, 1, addr_arr);
set_val_strc (arr, 2, nm_ip_config_get_gateway (cfg6));
set_val_arr (arr, 3, route_arr);
set_val_arr (arr, 4, dns_arr);
set_val_arr (arr, 5, domain_arr);
g_ptr_array_add (nmc->output_data, arr);
print_data (nmc); /* Print all data */
/* Remove any previous data */
nmc_empty_output_fields (nmc);
return TRUE;
}
gboolean
print_dhcp4_config (NMDhcpConfig *dhcp4,
NmCli *nmc,
const char *group_prefix,
const char *one_field)
{
GHashTable *table;
NmcOutputField *tmpl, *arr;
size_t tmpl_len;
if (dhcp4 == NULL)
return FALSE;
table = nm_dhcp_config_get_options (dhcp4);
if (table) {
GHashTableIter table_iter;
gpointer key, value;
char **options_arr = NULL;
int i = 0;
tmpl = nmc_fields_dhcp4_config;
tmpl_len = sizeof (nmc_fields_dhcp4_config);
nmc->print_fields.indices = parse_output_fields (one_field ? one_field : NMC_FIELDS_DHCP4_CONFIG_ALL,
tmpl, FALSE, NULL, NULL);
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_FIELD_NAMES);
g_ptr_array_add (nmc->output_data, arr);
options_arr = g_new (char *, g_hash_table_size (table) + 1);
g_hash_table_iter_init (&table_iter, table);
while (g_hash_table_iter_next (&table_iter, &key, &value))
options_arr[i++] = g_strdup_printf ("%s = %s", (char *) key, (char *) value);
options_arr[i] = NULL;
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_SECTION_PREFIX);
set_val_strc (arr, 0, group_prefix);
set_val_arr (arr, 1, options_arr);
g_ptr_array_add (nmc->output_data, arr);
print_data (nmc); /* Print all data */
/* Remove any previous data */
nmc_empty_output_fields (nmc);
return TRUE;
}
return FALSE;
}
gboolean
print_dhcp6_config (NMDhcpConfig *dhcp6,
NmCli *nmc,
const char *group_prefix,
const char *one_field)
{
GHashTable *table;
NmcOutputField *tmpl, *arr;
size_t tmpl_len;
if (dhcp6 == NULL)
return FALSE;
table = nm_dhcp_config_get_options (dhcp6);
if (table) {
GHashTableIter table_iter;
gpointer key, value;
char **options_arr = NULL;
int i = 0;
tmpl = nmc_fields_dhcp6_config;
tmpl_len = sizeof (nmc_fields_dhcp6_config);
nmc->print_fields.indices = parse_output_fields (one_field ? one_field : NMC_FIELDS_DHCP6_CONFIG_ALL,
tmpl, FALSE, NULL, NULL);
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_FIELD_NAMES);
g_ptr_array_add (nmc->output_data, arr);
options_arr = g_new (char *, g_hash_table_size (table) + 1);
g_hash_table_iter_init (&table_iter, table);
while (g_hash_table_iter_next (&table_iter, &key, &value))
options_arr[i++] = g_strdup_printf ("%s = %s", (char *) key, (char *) value);
options_arr[i] = NULL;
arr = nmc_dup_fields_array (tmpl, tmpl_len, NMC_OF_FLAG_SECTION_PREFIX);
set_val_strc (arr, 0, group_prefix);
set_val_arr (arr, 1, options_arr);
g_ptr_array_add (nmc->output_data, arr);
print_data (nmc); /* Print all data */
/* Remove any previous data */
nmc_empty_output_fields (nmc);
return TRUE;
}
return FALSE;
}
const char *
nmc_device_state_to_string (NMDeviceState state)
{
switch (state) {
case NM_DEVICE_STATE_UNMANAGED:
return _("unmanaged");
case NM_DEVICE_STATE_UNAVAILABLE:
return _("unavailable");
case NM_DEVICE_STATE_DISCONNECTED:
return _("disconnected");
case NM_DEVICE_STATE_PREPARE:
return _("connecting (prepare)");
case NM_DEVICE_STATE_CONFIG:
return _("connecting (configuring)");
case NM_DEVICE_STATE_NEED_AUTH:
return _("connecting (need authentication)");
case NM_DEVICE_STATE_IP_CONFIG:
return _("connecting (getting IP configuration)");
case NM_DEVICE_STATE_IP_CHECK:
return _("connecting (checking IP connectivity)");
case NM_DEVICE_STATE_SECONDARIES:
return _("connecting (starting secondary connections)");
case NM_DEVICE_STATE_ACTIVATED:
return _("connected");
case NM_DEVICE_STATE_DEACTIVATING:
return _("deactivating");
case NM_DEVICE_STATE_FAILED:
return _("connection failed");
default:
return _("unknown");
}
}
const char *
nmc_device_metered_to_string (NMMetered value)
{
switch (value) {
case NM_METERED_YES:
return _("yes");
case NM_METERED_NO:
return _("no");
case NM_METERED_GUESS_YES:
return _("yes (guessed)");
case NM_METERED_GUESS_NO:
return _("no (guessed)");
default:
return _("unknown");
}
}
const char *
nmc_device_reason_to_string (NMDeviceStateReason reason)
{
switch (reason) {
case NM_DEVICE_STATE_REASON_NONE:
return _("No reason given");
case NM_DEVICE_STATE_REASON_UNKNOWN:
return _("Unknown error");
case NM_DEVICE_STATE_REASON_NOW_MANAGED:
return _("Device is now managed");
case NM_DEVICE_STATE_REASON_NOW_UNMANAGED:
return _("Device is now unmanaged");
case NM_DEVICE_STATE_REASON_CONFIG_FAILED:
return _("The device could not be readied for configuration");
case NM_DEVICE_STATE_REASON_IP_CONFIG_UNAVAILABLE:
return _("IP configuration could not be reserved (no available address, timeout, etc.)");
case NM_DEVICE_STATE_REASON_IP_CONFIG_EXPIRED:
return _("The IP configuration is no longer valid");
case NM_DEVICE_STATE_REASON_NO_SECRETS:
return _("Secrets were required, but not provided");
case NM_DEVICE_STATE_REASON_SUPPLICANT_DISCONNECT:
return _("802.1X supplicant disconnected");
case NM_DEVICE_STATE_REASON_SUPPLICANT_CONFIG_FAILED:
return _("802.1X supplicant configuration failed");
case NM_DEVICE_STATE_REASON_SUPPLICANT_FAILED:
return _("802.1X supplicant failed");
case NM_DEVICE_STATE_REASON_SUPPLICANT_TIMEOUT:
return _("802.1X supplicant took too long to authenticate");
case NM_DEVICE_STATE_REASON_PPP_START_FAILED:
return _("PPP service failed to start");
case NM_DEVICE_STATE_REASON_PPP_DISCONNECT:
return _("PPP service disconnected");
case NM_DEVICE_STATE_REASON_PPP_FAILED:
return _("PPP failed");
case NM_DEVICE_STATE_REASON_DHCP_START_FAILED:
return _("DHCP client failed to start");
case NM_DEVICE_STATE_REASON_DHCP_ERROR:
return _("DHCP client error");
case NM_DEVICE_STATE_REASON_DHCP_FAILED:
return _("DHCP client failed");
case NM_DEVICE_STATE_REASON_SHARED_START_FAILED:
return _("Shared connection service failed to start");
case NM_DEVICE_STATE_REASON_SHARED_FAILED:
return _("Shared connection service failed");
case NM_DEVICE_STATE_REASON_AUTOIP_START_FAILED:
return _("AutoIP service failed to start");
case NM_DEVICE_STATE_REASON_AUTOIP_ERROR:
return _("AutoIP service error");
case NM_DEVICE_STATE_REASON_AUTOIP_FAILED:
return _("AutoIP service failed");
case NM_DEVICE_STATE_REASON_MODEM_BUSY:
return _("The line is busy");
case NM_DEVICE_STATE_REASON_MODEM_NO_DIAL_TONE:
return _("No dial tone");
case NM_DEVICE_STATE_REASON_MODEM_NO_CARRIER:
return _("No carrier could be established");
case NM_DEVICE_STATE_REASON_MODEM_DIAL_TIMEOUT:
return _("The dialing request timed out");
case NM_DEVICE_STATE_REASON_MODEM_DIAL_FAILED:
return _("The dialing attempt failed");
case NM_DEVICE_STATE_REASON_MODEM_INIT_FAILED:
return _("Modem initialization failed");
case NM_DEVICE_STATE_REASON_GSM_APN_FAILED:
return _("Failed to select the specified APN");
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_NOT_SEARCHING:
return _("Not searching for networks");
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_DENIED:
return _("Network registration denied");
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_TIMEOUT:
return _("Network registration timed out");
case NM_DEVICE_STATE_REASON_GSM_REGISTRATION_FAILED:
return _("Failed to register with the requested network");
case NM_DEVICE_STATE_REASON_GSM_PIN_CHECK_FAILED:
return _("PIN check failed");
case NM_DEVICE_STATE_REASON_FIRMWARE_MISSING:
return _("Necessary firmware for the device may be missing");
case NM_DEVICE_STATE_REASON_REMOVED:
return _("The device was removed");
case NM_DEVICE_STATE_REASON_SLEEPING:
return _("NetworkManager went to sleep");
case NM_DEVICE_STATE_REASON_CONNECTION_REMOVED:
return _("The device's active connection disappeared");
case NM_DEVICE_STATE_REASON_USER_REQUESTED:
return _("Device disconnected by user or client");
case NM_DEVICE_STATE_REASON_CARRIER:
return _("Carrier/link changed");
case NM_DEVICE_STATE_REASON_CONNECTION_ASSUMED:
return _("The device's existing connection was assumed");
case NM_DEVICE_STATE_REASON_SUPPLICANT_AVAILABLE:
return _("The supplicant is now available");
case NM_DEVICE_STATE_REASON_MODEM_NOT_FOUND:
return _("The modem could not be found");
case NM_DEVICE_STATE_REASON_BT_FAILED:
return _("The Bluetooth connection failed or timed out");
case NM_DEVICE_STATE_REASON_GSM_SIM_NOT_INSERTED:
return _("GSM Modem's SIM card not inserted");
case NM_DEVICE_STATE_REASON_GSM_SIM_PIN_REQUIRED:
return _("GSM Modem's SIM PIN required");
case NM_DEVICE_STATE_REASON_GSM_SIM_PUK_REQUIRED:
return _("GSM Modem's SIM PUK required");
case NM_DEVICE_STATE_REASON_GSM_SIM_WRONG:
return _("GSM Modem's SIM wrong");
case NM_DEVICE_STATE_REASON_INFINIBAND_MODE:
return _("InfiniBand device does not support connected mode");
case NM_DEVICE_STATE_REASON_DEPENDENCY_FAILED:
return _("A dependency of the connection failed");
case NM_DEVICE_STATE_REASON_BR2684_FAILED:
return _("A problem with the RFC 2684 Ethernet over ADSL bridge");
case NM_DEVICE_STATE_REASON_MODEM_MANAGER_UNAVAILABLE:
return _("ModemManager is unavailable");
case NM_DEVICE_STATE_REASON_SSID_NOT_FOUND:
return _("The Wi-Fi network could not be found");
case NM_DEVICE_STATE_REASON_SECONDARY_CONNECTION_FAILED:
return _("A secondary connection of the base connection failed");
case NM_DEVICE_STATE_REASON_DCB_FCOE_FAILED:
return _("DCB or FCoE setup failed");
case NM_DEVICE_STATE_REASON_TEAMD_CONTROL_FAILED:
return _("teamd control failed");
case NM_DEVICE_STATE_REASON_MODEM_FAILED:
return _("Modem failed or no longer available");
case NM_DEVICE_STATE_REASON_MODEM_AVAILABLE:
return _("Modem now ready and available");
case NM_DEVICE_STATE_REASON_SIM_PIN_INCORRECT:
return _("SIM PIN was incorrect");
case NM_DEVICE_STATE_REASON_NEW_ACTIVATION:
return _("New connection activation was enqueued");
case NM_DEVICE_STATE_REASON_PARENT_CHANGED:
return _("The device's parent changed");
case NM_DEVICE_STATE_REASON_PARENT_MANAGED_CHANGED:
return _("The device parent's management changed");
default:
/* TRANSLATORS: Unknown reason for a device state change (NMDeviceStateReason) */
return _("Unknown");
}
}
/*
* nmc_find_connection:
* @connections: array of NMConnections to search in
* @filter_type: "id", "uuid", "path" or %NULL
* @filter_val: connection to find (connection name, UUID or path)
* @start: where to start in @list. The location is updated so that the function
* can be called multiple times (for connections with the same name).
* @complete: print possible completions
*
* Find a connection in @list according to @filter_val. @filter_type determines
* what property is used for comparison. When @filter_type is NULL, compare
* @filter_val against all types. Otherwise, only compare against the specified
* type. If 'path' filter type is specified, comparison against numeric index
* (in addition to the whole path) is allowed.
*
* Returns: found connection, or %NULL
*/
NMConnection *
nmc_find_connection (const GPtrArray *connections,
const char *filter_type,
const char *filter_val,
int *start,
gboolean complete)
{
NMConnection *connection;
NMConnection *found = NULL;
int i;
const char *id;
const char *uuid;
const char *path, *path_num;
for (i = start ? *start : 0; i < connections->len; i++) {
connection = NM_CONNECTION (connections->pdata[i]);
id = nm_connection_get_id (connection);
uuid = nm_connection_get_uuid (connection);
path = nm_connection_get_path (connection);
path_num = path ? strrchr (path, '/') + 1 : NULL;
/* When filter_type is NULL, compare connection ID (filter_val)
* against all types. Otherwise, only compare against the specific
* type. If 'path' filter type is specified, comparison against
* numeric index (in addition to the whole path) is allowed.
*/
if (!filter_type || strcmp (filter_type, "id") == 0) {
if (complete)
nmc_complete_strings (filter_val, id, NULL);
if (strcmp (filter_val, id) == 0)
goto found;
}
if (!filter_type || strcmp (filter_type, "uuid") == 0) {
if (complete && (filter_type || *filter_val))
nmc_complete_strings (filter_val, uuid, NULL);
if (strcmp (filter_val, uuid) == 0)
goto found;
}
if (!filter_type || strcmp (filter_type, "path") == 0) {
if (complete && (filter_type || *filter_val))
nmc_complete_strings (filter_val, path, filter_type ? path_num : NULL, NULL);
if (g_strcmp0 (filter_val, path) == 0 || (filter_type && g_strcmp0 (filter_val, path_num) == 0))
goto found;
}
continue;
found:
if (!start)
return connection;
if (found) {
*start = i;
return found;
}
found = connection;
}
if (start)
*start = 0;
return found;
}
static gboolean
vpn_openconnect_get_secrets (NMConnection *connection, GPtrArray *secrets)
{
GError *error = NULL;
NMSettingVpn *s_vpn;
const char *vpn_type, *gw, *port;
char *cookie = NULL;
char *gateway = NULL;
char *gwcert = NULL;
int status = 0;
int i;
gboolean ret;
if (!connection)
return FALSE;
if (!nm_connection_is_type (connection, NM_SETTING_VPN_SETTING_NAME))
return FALSE;
s_vpn = nm_connection_get_setting_vpn (connection);
vpn_type = nm_setting_vpn_get_service_type (s_vpn);
if (g_strcmp0 (vpn_type, NM_DBUS_INTERFACE ".openconnect"))
return FALSE;
/* Get gateway and port */
gw = nm_setting_vpn_get_data_item (s_vpn, "gateway");
port = gw ? strrchr (gw, ':') : NULL;
/* Interactively authenticate to OpenConnect server and get secrets */
ret = nm_vpn_openconnect_authenticate_helper (gw, &cookie, &gateway, &gwcert, &status, &error);
if (!ret) {
g_printerr (_("Error: openconnect failed: %s\n"), error->message);
g_clear_error (&error);
return FALSE;
}
if (WIFEXITED (status)) {
if (WEXITSTATUS (status) != 0)
g_printerr (_("Error: openconnect failed with status %d\n"), WEXITSTATUS (status));
} else if (WIFSIGNALED (status))
g_printerr (_("Error: openconnect failed with signal %d\n"), WTERMSIG (status));
/* Append port to the host value */
if (gateway && port) {
char *tmp = gateway;
gateway = g_strdup_printf ("%s%s", gateway, port);
g_free (tmp);
}
/* Fill secrets to the array */
for (i = 0; i < secrets->len; i++) {
NMSecretAgentSimpleSecret *secret = secrets->pdata[i];
if (!g_strcmp0 (secret->vpn_type, vpn_type)) {
if (!g_strcmp0 (secret->vpn_property, "cookie")) {
g_free (secret->value);
secret->value = cookie;
cookie = NULL;
} else if (!g_strcmp0 (secret->vpn_property, "gateway")) {
g_free (secret->value);
secret->value = gateway;
gateway = NULL;
} else if (!g_strcmp0 (secret->vpn_property, "gwcert")) {
g_free (secret->value);
secret->value = gwcert;
gwcert = NULL;
}
}
}
g_free (cookie);
g_free (gateway);
g_free (gwcert);
return TRUE;
}
static gboolean
get_secrets_from_user (const char *request_id,
const char *title,
const char *msg,
NMConnection *connection,
gboolean ask,
gboolean echo_on,
GHashTable *pwds_hash,
GPtrArray *secrets)
{
int i;
/* Check if there is a VPN OpenConnect secret to ask for */
if (ask)
vpn_openconnect_get_secrets (connection, secrets);
for (i = 0; i < secrets->len; i++) {
NMSecretAgentSimpleSecret *secret = secrets->pdata[i];
char *pwd = NULL;
/* First try to find the password in provided passwords file,
* then ask user. */
if (pwds_hash && (pwd = g_hash_table_lookup (pwds_hash, secret->prop_name))) {
pwd = g_strdup (pwd);
} else {
if (ask) {
if (secret->value) {
if (!g_strcmp0 (secret->vpn_type, NM_DBUS_INTERFACE ".openconnect")) {
/* Do not present and ask user for openconnect secrets, we already have them */
continue;
} else {
/* Prefill the password if we have it. */
rl_startup_hook = nmc_rl_set_deftext;
nmc_rl_pre_input_deftext = g_strdup (secret->value);
}
}
if (msg)
g_print ("%s\n", msg);
pwd = nmc_readline_echo (secret->password ? echo_on : TRUE,
"%s (%s): ", secret->name, secret->prop_name);
if (!pwd)
pwd = g_strdup ("");
} else {
if (msg)
g_print ("%s\n", msg);
g_printerr (_("Warning: password for '%s' not given in 'passwd-file' "
"and nmcli cannot ask without '--ask' option.\n"),
secret->prop_name);
}
}
/* No password provided, cancel the secrets. */
if (!pwd)
return FALSE;
g_free (secret->value);
secret->value = pwd;
}
return TRUE;
}
/**
* nmc_secrets_requested:
* @agent: the #NMSecretAgentSimple
* @request_id: request ID, to eventually pass to
* nm_secret_agent_simple_response()
* @title: a title for the password request
* @msg: a prompt message for the password request
* @secrets: (element-type #NMSecretAgentSimpleSecret): array of secrets
* being requested.
* @user_data: user data passed to the function
*
* This function is used as a callback for "request-secrets" signal of
* NMSecretAgentSimpleSecret.
*/
void
nmc_secrets_requested (NMSecretAgentSimple *agent,
const char *request_id,
const char *title,
const char *msg,
GPtrArray *secrets,
gpointer user_data)
{
NmCli *nmc = (NmCli *) user_data;
NMConnection *connection = NULL;
char *path, *p;
gboolean success = FALSE;
const GPtrArray *connections;
if (nmc->print_output == NMC_PRINT_PRETTY)
nmc_terminal_erase_line ();
/* Find the connection for the request */
path = g_strdup (request_id);
if (path) {
p = strrchr (path, '/');
if (p)
*p = '\0';
connections = nm_client_get_connections (nmc->client);
connection = nmc_find_connection (connections, "path", path, NULL, FALSE);
g_free (path);
}
success = get_secrets_from_user (request_id, title, msg, connection, nmc->in_editor || nmc->ask,
nmc->show_secrets, nmc->pwds_hash, secrets);
if (success)
nm_secret_agent_simple_response (agent, request_id, secrets);
else {
/* Unregister our secret agent on failure, so that another agent
* may be tried */
if (nmc->secret_agent) {
nm_secret_agent_old_unregister (nmc->secret_agent, NULL, NULL);
g_clear_object (&nmc->secret_agent);
}
}
}
char *
nmc_unique_connection_name (const GPtrArray *connections, const char *try_name)
{
NMConnection *connection;
const char *name;
char *new_name;
unsigned num = 1;
int i = 0;
new_name = g_strdup (try_name);
while (i < connections->len) {
connection = NM_CONNECTION (connections->pdata[i]);
name = nm_connection_get_id (connection);
if (g_strcmp0 (new_name, name) == 0) {
g_free (new_name);
new_name = g_strdup_printf ("%s-%d", try_name, num++);
i = 0;
} else
i++;
}
return new_name;
}
/* readline state variables */
static gboolean nmcli_in_readline = FALSE;
static gboolean rl_got_line;
static char *rl_string;
/**
* nmc_cleanup_readline:
*
* Cleanup readline when nmcli is terminated with a signal.
* It makes sure the terminal is not garbled.
*/
void
nmc_cleanup_readline (void)
{
rl_free_line_state ();
rl_cleanup_after_signal ();
}
gboolean
nmc_get_in_readline (void)
{
return nmcli_in_readline;
}
void
nmc_set_in_readline (gboolean in_readline)
{
nmcli_in_readline = in_readline;
}
static void
readline_cb (char *line)
{
rl_got_line = TRUE;
rl_string = line;
rl_callback_handler_remove ();
}
static gboolean
stdin_ready_cb (GIOChannel * io, GIOCondition condition, gpointer data)
{
rl_callback_read_char ();
return TRUE;
}
static char *
nmc_readline_helper (const char *prompt)
{
GIOChannel *io = NULL;
guint io_watch_id;
nmc_set_in_readline (TRUE);
io = g_io_channel_unix_new (STDIN_FILENO);
io_watch_id = g_io_add_watch (io, G_IO_IN, stdin_ready_cb, NULL);
g_io_channel_unref (io);
read_again:
rl_string = NULL;
rl_got_line = FALSE;
rl_callback_handler_install (prompt, readline_cb);
while ( !rl_got_line
&& g_main_loop_is_running (loop)
&& !nmc_seen_sigint ())
g_main_context_iteration (NULL, TRUE);
/* If Ctrl-C was detected, complete the line */
if (nmc_seen_sigint ()) {
rl_echo_signal_char (SIGINT);
rl_stuff_char ('\n');
rl_callback_read_char ();
}
/* Add string to the history */
if (rl_string && *rl_string)
add_history (rl_string);
if (nmc_seen_sigint ()) {
/* Ctrl-C */
nmc_clear_sigint ();
if ( nm_cli.in_editor
|| (rl_string && *rl_string)) {
/* In editor, or the line is not empty */
/* Call readline again to get new prompt (repeat) */
g_free (rl_string);
goto read_again;
} else {
/* Not in editor and line is empty, exit */
nmc_exit ();
}
} else if (!rl_string) {
/* Ctrl-D, exit */
nmc_exit ();
}
/* Return NULL, not empty string */
if (rl_string && *rl_string == '\0') {
g_free (rl_string);
rl_string = NULL;
}
g_source_remove (io_watch_id);
nmc_set_in_readline (FALSE);
return rl_string;
}
/**
* nmc_readline:
* @prompt_fmt: prompt to print (telling user what to enter). It is standard
* printf() format string
* @...: a list of arguments according to the @prompt_fmt format string
*
* Wrapper around libreadline's readline() function.
* If user pressed Ctrl-C, readline() is called again (if not in editor and
* line is empty, nmcli will quit).
* If user pressed Ctrl-D on empty line, nmcli will quit.
*
* Returns: the user provided string. In case the user entered empty string,
* this function returns NULL.
*/
char *
nmc_readline (const char *prompt_fmt, ...)
{
va_list args;
char *prompt, *str;
va_start (args, prompt_fmt);
prompt = g_strdup_vprintf (prompt_fmt, args);
va_end (args);
str = nmc_readline_helper (prompt);
g_free (prompt);
return str;
}
/**
* nmc_readline_echo:
*
* The same as nmc_readline() except it can disable echoing of input characters if @echo_on is %FALSE.
* nmc_readline(TRUE, ...) == nmc_readline(...)
*/
char *
nmc_readline_echo (gboolean echo_on, const char *prompt_fmt, ...)
{
va_list args;
char *prompt, *str;
struct termios termios_orig, termios_new;
va_start (args, prompt_fmt);
prompt = g_strdup_vprintf (prompt_fmt, args);
va_end (args);
/* Disable echoing characters */
if (!echo_on) {
tcgetattr (STDIN_FILENO, &termios_orig);
termios_new = termios_orig;
termios_new.c_lflag &= ~(ECHO);
tcsetattr (STDIN_FILENO, TCSADRAIN, &termios_new);
}
str = nmc_readline_helper (prompt);
g_free (prompt);
/* Restore original terminal settings */
if (!echo_on) {
tcsetattr (STDIN_FILENO, TCSADRAIN, &termios_orig);
/* New line - setting ECHONL | ICANON did not help */
fprintf (stdout, "\n");
}
return str;
}
/**
* nmc_rl_gen_func_basic:
* @text: text to complete
* @state: readline state; says whether start from scratch (state == 0)
* @words: strings for completion
*
* Basic function generating list of completion strings for readline.
* See e.g. http://cnswww.cns.cwru.edu/php/chet/readline/readline.html#SEC49
*/
char *
nmc_rl_gen_func_basic (const char *text, int state, const char *const*words)
{
static int list_idx, len;
const char *name;
if (!state) {
list_idx = 0;
len = strlen (text);
}
/* Return the next name which partially matches one from the 'words' list. */
while ((name = words[list_idx])) {
list_idx++;
if (strncmp (name, text, len) == 0)
return g_strdup (name);
}
return NULL;
}
char *
nmc_rl_gen_func_ifnames (const char *text, int state)
{
int i;
const GPtrArray *devices;
const char **ifnames;
char *ret;
devices = nm_client_get_devices (nm_cli.client);
if (devices->len == 0)
return NULL;
ifnames = g_new (const char *, devices->len + 1);
for (i = 0; i < devices->len; i++) {
NMDevice *dev = g_ptr_array_index (devices, i);
const char *ifname = nm_device_get_iface (dev);
ifnames[i] = ifname;
}
ifnames[i] = NULL;
ret = nmc_rl_gen_func_basic (text, state, ifnames);
g_free (ifnames);
return ret;
}
/* for pre-filling a string to readline prompt */
char *nmc_rl_pre_input_deftext;
int
nmc_rl_set_deftext (void)
{
if (nmc_rl_pre_input_deftext && rl_startup_hook) {
rl_insert_text (nmc_rl_pre_input_deftext);
g_free (nmc_rl_pre_input_deftext);
nmc_rl_pre_input_deftext = NULL;
rl_startup_hook = NULL;
}
return 0;
}
/**
* nmc_parse_lldp_capabilities:
* @value: the capabilities value
*
* Parses LLDP capabilities flags
*
* Returns: a newly allocated string containing capabilities names separated by commas.
*/
char *
nmc_parse_lldp_capabilities (guint value)
{
/* IEEE Std 802.1AB-2009 - Table 8.4 */
const char *names[] = { "other", "repeater", "mac-bridge", "wlan-access-point",
"router", "telephone", "docsis-cable-device", "station-only",
"c-vlan-component", "s-vlan-component", "tpmr" };
gboolean first = TRUE;
GString *str;
int i;
if (!value)
return g_strdup ("none");
str = g_string_new ("");
for (i = 0; i < G_N_ELEMENTS (names); i++) {
if (value & (1 << i)) {
if (!first)
g_string_append_c (str, ',');
first = FALSE;
value &= ~(1 << i);
g_string_append (str, names[i]);
}
}
if (value) {
if (!first)
g_string_append_c (str, ',');
g_string_append (str, "reserved");
}
return g_string_free (str, FALSE);
}
extern GMainLoop *loop;
static void
command_done (GObject *object, GAsyncResult *res, gpointer user_data)
{
GSimpleAsyncResult *simple = (GSimpleAsyncResult *)res;
NmCli *nmc = user_data;
GError *error = NULL;
if (g_simple_async_result_propagate_error (simple, &error)) {
nmc->return_value = error->code;
g_string_assign (nmc->return_text, error->message);
g_error_free (error);
}
if (!nmc->should_wait)
g_main_loop_quit (loop);
}
typedef struct {
NmCli *nmc;
const NMCCommand *cmd;
int argc;
char **argv;
GSimpleAsyncResult *simple;
} CmdCall;
static void
call_cmd (NmCli *nmc, GSimpleAsyncResult *simple, const NMCCommand *cmd, int argc, char **argv);
static void
got_client (GObject *source_object, GAsyncResult *res, gpointer user_data)
{
GError *error = NULL;
CmdCall *call = user_data;
NmCli *nmc = call->nmc;
nmc->should_wait--;
nmc->client = nm_client_new_finish (res, &error);
if (!nmc->client) {
g_simple_async_result_set_error (call->simple, NMCLI_ERROR, NMC_RESULT_ERROR_UNKNOWN,
_("Error: Could not create NMClient object: %s."), error->message);
g_error_free (error);
g_simple_async_result_complete (call->simple);
} else {
call_cmd (nmc, call->simple, call->cmd, call->argc, call->argv);
}
g_slice_free (CmdCall, call);
}
static void
call_cmd (NmCli *nmc, GSimpleAsyncResult *simple, const NMCCommand *cmd, int argc, char **argv)
{
CmdCall *call;
if (nmc->client || !cmd->needs_client) {
/* Check whether NetworkManager is running */
if (cmd->needs_nm_running && !nm_client_get_nm_running (nmc->client)) {
g_simple_async_result_set_error (simple, NMCLI_ERROR, NMC_RESULT_ERROR_NM_NOT_RUNNING,
_("Error: NetworkManager is not running."));
} else
nmc->return_value = cmd->func (nmc, argc, argv);
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
} else {
nmc->should_wait++;
call = g_slice_new0 (CmdCall);
call->nmc = nmc;
call->cmd = cmd;
call->argc = argc;
call->argv = argv;
call->simple = simple;
nm_client_new_async (NULL, got_client, call);
}
}
static void
nmc_complete_help (const char *prefix)
{
nmc_complete_strings (prefix, "help", NULL);
if (*prefix == '-')
nmc_complete_strings (prefix, "-help", "--help", NULL);
}
/**
* nmc_do_cmd:
* @nmc: Client instance
* @cmds: Command table
* @cmd: Command
* @argc: Argument count
* @argv: Arguments vector. Must be a global variable.
*
* Picks the right callback to handle command from the command table.
* If --help argument follows and the usage callback is specified for the command
* it calls the usage callback.
*
* The command table is terminated with a %NULL command. The terminating
* entry's handlers are called if the command is empty.
*
* The argument vector needs to be a pointer to the global arguments vector that is
* never freed, since the command handler will be called asynchronously and there's
* no callback to free the memory in (for simplicity).
*/
void
nmc_do_cmd (NmCli *nmc, const NMCCommand cmds[], const char *cmd, int argc, char **argv)
{
const NMCCommand *c;
GSimpleAsyncResult *simple;
simple = g_simple_async_result_new (NULL,
command_done,
nmc,
nmc_do_cmd);
if (argc == 0 && nmc->complete) {
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
return;
}
if (argc == 1 && nmc->complete) {
for (c = cmds; c->cmd; ++c) {
if (!*cmd || matches (cmd, c->cmd))
g_print ("%s\n", c->cmd);
}
nmc_complete_help (cmd);
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
return;
}
for (c = cmds; c->cmd; ++c) {
if (cmd && matches (cmd, c->cmd))
break;
}
if (c->cmd) {
/* A valid command was specified. */
if (c->usage && argc == 2 && nmc->complete)
nmc_complete_help (*(argv+1));
if (c->usage && nmc_arg_is_help (*(argv+1))) {
if (!nmc->complete)
c->usage ();
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
} else {
next_arg (nmc, &argc, &argv);
call_cmd (nmc, simple, c, argc, argv);
}
} else if (cmd) {
/* Not a known command. */
if (nmc_arg_is_help (cmd) && c->usage) {
c->usage ();
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
} else {
g_simple_async_result_set_error (simple, NMCLI_ERROR, NMC_RESULT_ERROR_USER_INPUT,
_("Error: argument '%s' not understood. Try passing --help instead."), cmd);
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
}
} else if (c->func) {
/* No command, run the default handler. */
call_cmd (nmc, simple, c, argc, argv);
} else {
/* No command and no default handler. */
g_simple_async_result_set_error (simple, NMCLI_ERROR, NMC_RESULT_ERROR_USER_INPUT,
_("Error: missing argument. Try passing --help."));
g_simple_async_result_complete_in_idle (simple);
g_object_unref (simple);
}
}
/**
* nmc_complete_strings:
* @prefix: a string to match
* @...: a %NULL-terminated list of candidate strings
*
* Prints all the matching candidates for completion. Useful when there's
* no better way to suggest completion other than a hardcoded string list.
*/
void
nmc_complete_strings (const char *prefix, ...)
{
va_list args;
const char *candidate;
va_start (args, prefix);
while ((candidate = va_arg (args, const char *))) {
if (!*prefix || matches (prefix, candidate))
g_print ("%s\n", candidate);
}
va_end (args);
}
/**
* nmc_complete_bool:
* @prefix: a string to match
* @...: a %NULL-terminated list of candidate strings
*
* Prints all the matching possible boolean values for completion.
*/
void
nmc_complete_bool (const char *prefix)
{
nmc_complete_strings (prefix, "true", "yes", "on",
"false", "no", "off", NULL);
}
/**
* nmc_error_get_simple_message:
* @error: a GError
*
* Returns a simplified message for some errors hard to understand.
*/
const char *
nmc_error_get_simple_message (GError *error)
{
/* Return a clear message instead of the obscure D-Bus policy error */
if (g_error_matches (error, G_DBUS_ERROR, G_DBUS_ERROR_ACCESS_DENIED))
return _("access denied");
else
return error->message;
}