diff options
Diffstat (limited to 'src/settings/plugins/ibft/nms-ibft-reader.c')
| -rw-r--r-- | src/settings/plugins/ibft/nms-ibft-reader.c | 535 |
1 files changed, 0 insertions, 535 deletions
diff --git a/src/settings/plugins/ibft/nms-ibft-reader.c b/src/settings/plugins/ibft/nms-ibft-reader.c deleted file mode 100644 index fde30383..00000000 --- a/src/settings/plugins/ibft/nms-ibft-reader.c +++ /dev/null @@ -1,535 +0,0 @@ -/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ -/* NetworkManager system settings service - * - * 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 2014 Red Hat, Inc. - */ - -#include "nm-default.h" - -#include "nms-ibft-reader.h" - -#include <stdlib.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <arpa/inet.h> -#include <sys/wait.h> -#include <sys/inotify.h> -#include <sys/ioctl.h> -#include <unistd.h> - -#include "nm-core-internal.h" -#include "platform/nm-platform.h" -#include "NetworkManagerUtils.h" - -/*****************************************************************************/ - -#define PARSE_WARNING(msg...) nm_log_warn (LOGD_SETTINGS, " " msg) - -/* Removes trailing whitespace and whitespace before and immediately after the '=' */ -static char * -remove_most_whitespace (const char *src) -{ - char *s_new, *s2; - const char *svalue; - - src = nm_str_skip_leading_spaces (src); - - svalue = strchr (src, '='); - if (!svalue || svalue == src) - return NULL; - - s_new = g_new (char, strlen (src) + 1); - - memcpy (s_new, src, svalue - src); - s_new[svalue - src] = '\0'; - g_strchomp (s_new); - - svalue++; - while (*svalue && g_ascii_isspace (*svalue)) - svalue++; - - s2 = strchr (s_new, '\0'); - s2[0] = '='; - strcpy (++s2, svalue); - g_strchomp (s2); - - return s_new; -} - -#define TAG_BEGIN "# BEGIN RECORD" -#define TAG_END "# END RECORD" - -/** - * nms_ibft_reader_load_blocks: - * @iscsiadm_path: path to iscsiadm program - * @out_blocks: on return if successful, a #GSList of #GPtrArray, or %NULL on - * failure - * @error: location for an error on failure - * - * Parses iscsiadm output and returns a #GSList of #GPtrArray in the @out_blocks - * argument on success, otherwise @out_blocks is set to %NULL. Each #GPtrArray - * in @out_blocks contains the lines from an iscsiadm interface block. - * - * Returns: %TRUE on success, %FALSE on errors - */ -gboolean -nms_ibft_reader_load_blocks (const char *iscsiadm_path, - GSList **out_blocks, - GError **error) -{ - const char *argv[4] = { iscsiadm_path, "-m", "fw", NULL }; - const char *envp[1] = { NULL }; - nm_auto_free_ibft_blocks GSList *blocks = NULL; - gs_free char *out = NULL; - gs_free char *err = NULL; - gs_free const char **lines = NULL; - GPtrArray *block_lines = NULL; - gsize i; - int status = 0; - - g_return_val_if_fail (iscsiadm_path != NULL, FALSE); - g_return_val_if_fail (out_blocks != NULL && *out_blocks == NULL, FALSE); - - if (!g_spawn_sync ("/", (char **) argv, (char **) envp, 0, - NULL, NULL, &out, &err, &status, error)) - return FALSE; - - if (!WIFEXITED (status)) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED, - "iBFT: %s exited abnormally.", iscsiadm_path); - return FALSE; - } - - if (WEXITSTATUS (status) != 0) { - if (err) { - char *nl; - - /* the error message contains newlines. concatenate the lines with whitespace */ - for (nl = err; *nl; nl++) { - if (*nl == '\n') - *nl = ' '; - } - } - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED, - "iBFT: %s exited with error %d. Message: '%s'", - iscsiadm_path, WEXITSTATUS (status), err ?: "(none)"); - return FALSE; - } - - nm_log_dbg (LOGD_SETTINGS, "iBFT records:\n%s", out); - - lines = nm_utils_strsplit_set (out, "\n\r"); - for (i = 0; lines && lines[i]; i++) { - const char *ss = lines[i]; - - if (!g_ascii_strncasecmp (ss, TAG_BEGIN, NM_STRLEN (TAG_BEGIN))) { - if (block_lines) { - PARSE_WARNING ("malformed iscsiadm record: missing END RECORD."); - nm_clear_pointer (&block_lines, g_ptr_array_unref); - } - /* Start new record */ - block_lines = g_ptr_array_new_full (15, g_free); - } else if (!g_ascii_strncasecmp (ss, TAG_END, NM_STRLEN (TAG_END))) { - if (block_lines) { - if (block_lines->len) - blocks = g_slist_prepend (blocks, g_steal_pointer (&block_lines)); - else - g_ptr_array_unref (g_steal_pointer (&block_lines)); - } - } else if (block_lines) { - char *s = remove_most_whitespace (ss); - - if (!s) { - PARSE_WARNING ("malformed iscsiadm record: no = in '%s'.", ss); - nm_clear_pointer (&block_lines, g_ptr_array_unref); - } else - g_ptr_array_add (block_lines, s); - } - } - - if (block_lines) { - PARSE_WARNING ("malformed iscsiadm record: missing # END RECORD."); - nm_clear_pointer (&block_lines, g_ptr_array_unref); - } - - *out_blocks = g_steal_pointer (&blocks); - return TRUE; -} - -#define ISCSI_HWADDR_TAG "iface.hwaddress" -#define ISCSI_BOOTPROTO_TAG "iface.bootproto" -#define ISCSI_IPADDR_TAG "iface.ipaddress" -#define ISCSI_SUBNET_TAG "iface.subnet_mask" -#define ISCSI_GATEWAY_TAG "iface.gateway" -#define ISCSI_DNS1_TAG "iface.primary_dns" -#define ISCSI_DNS2_TAG "iface.secondary_dns" -#define ISCSI_VLAN_ID_TAG "iface.vlan_id" -#define ISCSI_IFACE_TAG "iface.net_ifacename" - -static const char * -match_iscsiadm_tag (const char *line, const char *tag) -{ - gsize taglen = strlen (tag); - - if (g_ascii_strncasecmp (line, tag, taglen) != 0) - return NULL; - if (line[taglen] != '=') - return NULL; - return line + taglen + 1; -} - -/** - * nms_ibft_reader_parse_block: - * @block: an array of iscsiadm interface block lines - * @error: return location for errors - * @...: pairs of key (const char *) : location (const char **) indicating the - * key to look for and the location to store the retrieved value in - * - * Parses an iscsiadm interface block into variables requested by the caller. - * Callers should verify the returned data is complete and valid. Returned - * strings are owned by @block and should not be used after @block is freed. - * - * Returns: %TRUE if at least , %FALSE on failure - */ -gboolean -nms_ibft_reader_parse_block (const GPtrArray *block, GError **error, ...) -{ - gboolean success = FALSE; - const char **out_value, *p; - va_list ap; - const char *key; - guint i; - - g_return_val_if_fail (block != NULL, FALSE); - g_return_val_if_fail (block->len > 0, FALSE); - - /* Find requested keys and populate return values */ - va_start (ap, error); - while ((key = va_arg (ap, const char *))) { - out_value = va_arg (ap, const char **); - *out_value = NULL; - for (i = 0; i < block->len; i++) { - p = match_iscsiadm_tag (g_ptr_array_index (block, i), key); - if (p) { - *out_value = p; - success = TRUE; - break; - } - } - } - va_end (ap); - - if (!success) { - g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: failed to match at least one iscsiadm block field"); - } - return success; -} - -static gboolean -ip4_setting_add_from_block (const GPtrArray *block, - NMConnection *connection, - GError **error) -{ - NMSettingIPConfig *s_ip4 = NULL; - NMIPAddress *addr; - const char *s_method = NULL; - const char *s_ipaddr = NULL; - const char *s_gateway = NULL; - const char *s_dns1 = NULL; - const char *s_dns2 = NULL; - const char *s_netmask = NULL; - guint32 netmask = 0; - guint32 prefix; - - g_assert (block); - - if (!nms_ibft_reader_parse_block (block, error, - ISCSI_BOOTPROTO_TAG, &s_method, - ISCSI_IPADDR_TAG, &s_ipaddr, - ISCSI_SUBNET_TAG, &s_netmask, - ISCSI_GATEWAY_TAG, &s_gateway, - ISCSI_DNS1_TAG, &s_dns1, - ISCSI_DNS2_TAG, &s_dns2, - NULL)) - goto error; - - if (!s_method) { - g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: missing " ISCSI_BOOTPROTO_TAG); - goto error; - } - - s_ip4 = (NMSettingIPConfig *) nm_setting_ip4_config_new (); - - if (!g_ascii_strcasecmp (s_method, "dhcp")) { - g_object_set (s_ip4, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO, NULL); - goto success; - } else if (g_ascii_strcasecmp (s_method, "static") != 0) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: unknown " ISCSI_BOOTPROTO_TAG " '%s'.", - s_method); - goto error; - } - - /* Static configuration stuff */ - g_object_set (s_ip4, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_MANUAL, NULL); - - /* IP address */ - if (!s_ipaddr || !nm_utils_ipaddr_valid (AF_INET, s_ipaddr)) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: invalid IP address '%s'.", - s_ipaddr); - goto error; - } - - /* Subnet/prefix */ - if (!s_netmask || inet_pton (AF_INET, s_netmask, &netmask) != 1) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: invalid subnet mask '%s'.", - s_netmask); - goto error; - } - prefix = nm_utils_ip4_netmask_to_prefix (netmask); - - if (s_gateway && !nm_utils_ipaddr_valid (AF_INET, s_gateway)) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: invalid IP gateway '%s'.", - s_gateway); - goto error; - } - - if (s_dns1 && !nm_utils_ipaddr_valid (AF_INET, s_dns1)) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: invalid DNS1 address '%s'.", - s_dns1); - goto error; - } - - if (s_dns2 && !nm_utils_ipaddr_valid (AF_INET, s_dns2)) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: invalid DNS2 address '%s'.", - s_dns2); - goto error; - } - - addr = nm_ip_address_new (AF_INET, s_ipaddr, prefix, error); - if (!addr) { - g_prefix_error (error, "iBFT: malformed iscsiadm record: "); - goto error; - } - - nm_setting_ip_config_add_address (s_ip4, addr); - nm_ip_address_unref (addr); - - g_object_set (s_ip4, NM_SETTING_IP_CONFIG_GATEWAY, s_gateway, NULL); - - if (s_dns1) - nm_setting_ip_config_add_dns (s_ip4, s_dns1); - if (s_dns2) - nm_setting_ip_config_add_dns (s_ip4, s_dns2); - -success: - nm_connection_add_setting (connection, NM_SETTING (s_ip4)); - return TRUE; - -error: - g_clear_object (&s_ip4); - return FALSE; -} - -static gboolean -connection_setting_add (const GPtrArray *block, - NMConnection *connection, - const char *type, - const char *prefix, - const char *iface, - GError **error) -{ - NMSetting *s_con; - char *id, *uuid; - const char *s_hwaddr = NULL, *s_ip4addr = NULL, *s_vlanid; - - if (!nms_ibft_reader_parse_block (block, error, - ISCSI_VLAN_ID_TAG, &s_vlanid, - ISCSI_HWADDR_TAG, &s_hwaddr, - ISCSI_IPADDR_TAG, &s_ip4addr, - NULL)) - return FALSE; - if (!s_hwaddr) { - g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: missing " ISCSI_HWADDR_TAG); - return FALSE; - } - - id = g_strdup_printf ("iBFT%s%s %s", - prefix ? " " : "", - prefix ?: "", - iface); - - uuid = _nm_utils_uuid_generate_from_strings ("ibft", - s_hwaddr, - s_vlanid ? "V" : "v", - s_vlanid ?: "", - s_ip4addr ? "A" : "DHCP", - s_ip4addr ?: "", - NULL); - - s_con = nm_setting_connection_new (); - g_object_set (s_con, - NM_SETTING_CONNECTION_TYPE, type, - NM_SETTING_CONNECTION_UUID, uuid, - NM_SETTING_CONNECTION_ID, id, - NM_SETTING_CONNECTION_READ_ONLY, TRUE, - NULL); - - g_free (uuid); - g_free (id); - - nm_connection_add_setting (connection, NM_SETTING (s_con)); - return TRUE; -} - -static gboolean -is_ibft_vlan_device (const GPtrArray *block) -{ - char *s_vlan_id = NULL; - - if (nms_ibft_reader_parse_block (block, NULL, ISCSI_VLAN_ID_TAG, &s_vlan_id, NULL)) { - g_assert (s_vlan_id); - - /* VLAN 0 is normally a valid VLAN ID, but in the iBFT case it - * means "no VLAN". - */ - if (_nm_utils_ascii_str_to_int64 (s_vlan_id, 10, 1, 4095, -1) != -1) - return TRUE; - } - return FALSE; -} - -static gboolean -vlan_setting_add_from_block (const GPtrArray *block, - NMConnection *connection, - GError **error) -{ - NMSetting *s_vlan = NULL; - const char *vlan_id_str = NULL; - gint64 vlan_id = -1; - gboolean success; - - g_assert (block); - g_assert (connection); - - /* This won't fail since this function shouldn't be called unless the - * iBFT VLAN ID exists and is > 0. - */ - success = nms_ibft_reader_parse_block (block, NULL, ISCSI_VLAN_ID_TAG, &vlan_id_str, NULL); - g_assert (success); - g_assert (vlan_id_str); - - /* VLAN 0 is normally a valid VLAN ID, but in the iBFT case it means "no VLAN" */ - vlan_id = _nm_utils_ascii_str_to_int64 (vlan_id_str, 10, 1, 4095, -1); - if (vlan_id == -1) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "Invalid VLAN_ID '%s'", vlan_id_str); - return FALSE; - } - - s_vlan = nm_setting_vlan_new (); - g_object_set (s_vlan, NM_SETTING_VLAN_ID, (guint32) vlan_id, NULL); - nm_connection_add_setting (connection, NM_SETTING (s_vlan)); - - return TRUE; -} - -static gboolean -wired_setting_add_from_block (const GPtrArray *block, - NMConnection *connection, - GError **error) -{ - NMSetting *s_wired = NULL; - const char *hwaddr = NULL; - - g_assert (block); - g_assert (connection); - - if (!nms_ibft_reader_parse_block (block, NULL, ISCSI_HWADDR_TAG, &hwaddr, NULL)) { - g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: missing " ISCSI_HWADDR_TAG); - return FALSE; - } - - if (!nm_utils_hwaddr_valid (hwaddr, ETH_ALEN)) { - g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: invalid " ISCSI_HWADDR_TAG " '%s'.", - hwaddr); - return FALSE; - } - - s_wired = nm_setting_wired_new (); - g_object_set (s_wired, NM_SETTING_WIRED_MAC_ADDRESS, hwaddr, NULL); - - nm_connection_add_setting (connection, s_wired); - return TRUE; -} - -NMConnection * -nms_ibft_reader_get_connection_from_block (const GPtrArray *block, GError **error) -{ - NMConnection *connection = NULL; - gboolean is_vlan = FALSE; - const char *iface = NULL; - - g_assert (block); - - if (!nms_ibft_reader_parse_block (block, error, ISCSI_IFACE_TAG, &iface, NULL)) { - g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION, - "iBFT: malformed iscsiadm record: missing " ISCSI_IFACE_TAG); - return NULL; - } - - connection = nm_simple_connection_new (); - - is_vlan = is_ibft_vlan_device (block); - if (is_vlan && !vlan_setting_add_from_block (block, connection, error)) - goto error; - - /* Always have a wired setting; for VLAN it defines the parent */ - if (!wired_setting_add_from_block (block, connection, error)) - goto error; - - if (!ip4_setting_add_from_block (block, connection, error)) - goto error; - - if (!connection_setting_add (block, - connection, - is_vlan ? NM_SETTING_VLAN_SETTING_NAME : NM_SETTING_WIRED_SETTING_NAME, - is_vlan ? "VLAN" : NULL, - iface, - error)) - goto error; - - if (!nm_connection_normalize (connection, NULL, NULL, error)) - goto error; - - return connection; - -error: - g_object_unref (connection); - return NULL; -} - |