diff options
Diffstat (limited to 'pimd/pim_cmd_common.c')
| -rw-r--r-- | pimd/pim_cmd_common.c | 655 |
1 files changed, 655 insertions, 0 deletions
diff --git a/pimd/pim_cmd_common.c b/pimd/pim_cmd_common.c new file mode 100644 index 0000000000..c5d89f8065 --- /dev/null +++ b/pimd/pim_cmd_common.c @@ -0,0 +1,655 @@ +/* + * PIM for IPv6 FRR + * Copyright (C) 2022 Vmware, Inc. + * Mobashshera Rasool <mrasool@vmware.com> + * + * 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; see the file COPYING; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <zebra.h> + +#include "lib/json.h" +#include "command.h" +#include "if.h" +#include "prefix.h" +#include "zclient.h" +#include "plist.h" +#include "hash.h" +#include "nexthop.h" +#include "vrf.h" +#include "ferr.h" +#include "lib/srcdest_table.h" + +#include "pimd.h" +#include "pim_vty.h" +#include "lib/northbound_cli.h" +#include "pim_errors.h" +#include "pim_nb.h" +#include "pim_cmd_common.h" + +/** + * Get current node VRF name. + * + * NOTE: + * In case of failure it will print error message to user. + * + * \returns name or NULL if failed to get VRF. + */ +const char *pim_cli_get_vrf_name(struct vty *vty) +{ + const struct lyd_node *vrf_node; + + /* Not inside any VRF context. */ + if (vty->xpath_index == 0) + return VRF_DEFAULT_NAME; + + vrf_node = yang_dnode_get(vty->candidate_config->dnode, VTY_CURR_XPATH); + if (vrf_node == NULL) { + vty_out(vty, "%% Failed to get vrf dnode in configuration\n"); + return NULL; + } + + return yang_dnode_get_string(vrf_node, "./name"); +} + +int pim_process_join_prune_cmd(struct vty *vty, const char *jpi_str) +{ + char xpath[XPATH_MAXLEN]; + + snprintf(xpath, sizeof(xpath), FRR_PIM_ROUTER_XPATH, + FRR_PIM_AF_XPATH_VAL); + strlcat(xpath, "/join-prune-interval", sizeof(xpath)); + + nb_cli_enqueue_change(vty, xpath, NB_OP_MODIFY, jpi_str); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_join_prune_cmd(struct vty *vty) +{ + char xpath[XPATH_MAXLEN]; + + snprintf(xpath, sizeof(xpath), FRR_PIM_ROUTER_XPATH, + FRR_PIM_AF_XPATH_VAL); + strlcat(xpath, "/join-prune-interval", sizeof(xpath)); + + nb_cli_enqueue_change(vty, xpath, NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_spt_switchover_infinity_cmd(struct vty *vty) +{ + const char *vrfname; + char spt_plist_xpath[XPATH_MAXLEN]; + char spt_action_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(spt_plist_xpath, sizeof(spt_plist_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(spt_plist_xpath, "/spt-switchover/spt-infinity-prefix-list", + sizeof(spt_plist_xpath)); + + snprintf(spt_action_xpath, sizeof(spt_action_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(spt_action_xpath, "/spt-switchover/spt-action", + sizeof(spt_action_xpath)); + + if (yang_dnode_exists(vty->candidate_config->dnode, spt_plist_xpath)) + nb_cli_enqueue_change(vty, spt_plist_xpath, NB_OP_DESTROY, + NULL); + nb_cli_enqueue_change(vty, spt_action_xpath, NB_OP_MODIFY, + "PIM_SPT_INFINITY"); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_spt_switchover_prefixlist_cmd(struct vty *vty, + const char *plist) +{ + const char *vrfname; + char spt_plist_xpath[XPATH_MAXLEN]; + char spt_action_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(spt_plist_xpath, sizeof(spt_plist_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(spt_plist_xpath, "/spt-switchover/spt-infinity-prefix-list", + sizeof(spt_plist_xpath)); + + snprintf(spt_action_xpath, sizeof(spt_action_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(spt_action_xpath, "/spt-switchover/spt-action", + sizeof(spt_action_xpath)); + + nb_cli_enqueue_change(vty, spt_action_xpath, NB_OP_MODIFY, + "PIM_SPT_INFINITY"); + nb_cli_enqueue_change(vty, spt_plist_xpath, NB_OP_MODIFY, + plist); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_spt_switchover_cmd(struct vty *vty) +{ + const char *vrfname; + char spt_plist_xpath[XPATH_MAXLEN]; + char spt_action_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(spt_plist_xpath, sizeof(spt_plist_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(spt_plist_xpath, "/spt-switchover/spt-infinity-prefix-list", + sizeof(spt_plist_xpath)); + + snprintf(spt_action_xpath, sizeof(spt_action_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(spt_action_xpath, "/spt-switchover/spt-action", + sizeof(spt_action_xpath)); + + nb_cli_enqueue_change(vty, spt_plist_xpath, NB_OP_DESTROY, NULL); + nb_cli_enqueue_change(vty, spt_action_xpath, NB_OP_MODIFY, + "PIM_SPT_IMMEDIATE"); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_pim_packet_cmd(struct vty *vty, const char *packet) +{ + char xpath[XPATH_MAXLEN]; + + snprintf(xpath, sizeof(xpath), FRR_PIM_ROUTER_XPATH, + FRR_PIM_AF_XPATH_VAL); + strlcat(xpath, "/packets", sizeof(xpath)); + + nb_cli_enqueue_change(vty, xpath, NB_OP_MODIFY, packet); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_pim_packet_cmd(struct vty *vty) +{ + char xpath[XPATH_MAXLEN]; + + snprintf(xpath, sizeof(xpath), FRR_PIM_ROUTER_XPATH, + FRR_PIM_AF_XPATH_VAL); + strlcat(xpath, "/packets", sizeof(xpath)); + + nb_cli_enqueue_change(vty, xpath, NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_keepalivetimer_cmd(struct vty *vty, const char *kat) +{ + const char *vrfname; + char ka_timer_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(ka_timer_xpath, sizeof(ka_timer_xpath), FRR_PIM_VRF_XPATH, + "frr-pim:pimd", "pim", vrfname, FRR_PIM_AF_XPATH_VAL); + strlcat(ka_timer_xpath, "/keep-alive-timer", sizeof(ka_timer_xpath)); + + nb_cli_enqueue_change(vty, ka_timer_xpath, NB_OP_MODIFY, + kat); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_keepalivetimer_cmd(struct vty *vty) +{ + const char *vrfname; + char ka_timer_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(ka_timer_xpath, sizeof(ka_timer_xpath), FRR_PIM_VRF_XPATH, + "frr-pim:pimd", "pim", vrfname, FRR_PIM_AF_XPATH_VAL); + strlcat(ka_timer_xpath, "/keep-alive-timer", sizeof(ka_timer_xpath)); + + nb_cli_enqueue_change(vty, ka_timer_xpath, NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_rp_kat_cmd(struct vty *vty, const char *rpkat) +{ + const char *vrfname; + char rp_ka_timer_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(rp_ka_timer_xpath, sizeof(rp_ka_timer_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(rp_ka_timer_xpath, "/rp-keep-alive-timer", + sizeof(rp_ka_timer_xpath)); + + nb_cli_enqueue_change(vty, rp_ka_timer_xpath, NB_OP_MODIFY, + rpkat); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_rp_kat_cmd(struct vty *vty) +{ + const char *vrfname; + char rp_ka_timer[6]; + char rp_ka_timer_xpath[XPATH_MAXLEN]; + uint v; + char rs_timer_xpath[XPATH_MAXLEN]; + + snprintf(rs_timer_xpath, sizeof(rs_timer_xpath), + FRR_PIM_ROUTER_XPATH, FRR_PIM_AF_XPATH_VAL); + strlcat(rs_timer_xpath, "/register-suppress-time", + sizeof(rs_timer_xpath)); + + /* RFC4601 */ + v = yang_dnode_get_uint16(vty->candidate_config->dnode, + rs_timer_xpath); + v = 3 * v + PIM_REGISTER_PROBE_TIME_DEFAULT; + if (v > UINT16_MAX) + v = UINT16_MAX; + snprintf(rp_ka_timer, sizeof(rp_ka_timer), "%u", v); + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(rp_ka_timer_xpath, sizeof(rp_ka_timer_xpath), + FRR_PIM_VRF_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL); + strlcat(rp_ka_timer_xpath, "/rp-keep-alive-timer", + sizeof(rp_ka_timer_xpath)); + + nb_cli_enqueue_change(vty, rp_ka_timer_xpath, NB_OP_MODIFY, + rp_ka_timer); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_register_suppress_cmd(struct vty *vty, const char *rst) +{ + char xpath[XPATH_MAXLEN]; + + snprintf(xpath, sizeof(xpath), FRR_PIM_ROUTER_XPATH, + FRR_PIM_AF_XPATH_VAL); + strlcat(xpath, "/register-suppress-time", sizeof(xpath)); + + nb_cli_enqueue_change(vty, xpath, NB_OP_MODIFY, rst); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_register_suppress_cmd(struct vty *vty) +{ + char xpath[XPATH_MAXLEN]; + + snprintf(xpath, sizeof(xpath), FRR_PIM_ROUTER_XPATH, + FRR_PIM_AF_XPATH_VAL); + strlcat(xpath, "/register-suppress-time", sizeof(xpath)); + + nb_cli_enqueue_change(vty, xpath, NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_ip_pim_cmd(struct vty *vty) +{ + nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, "true"); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_no_ip_pim_cmd(struct vty *vty) +{ + const struct lyd_node *mld_enable_dnode; + char mld_if_xpath[XPATH_MAXLEN]; + + int printed = + snprintf(mld_if_xpath, sizeof(mld_if_xpath), + "%s/frr-gmp:gmp/address-family[address-family='%s']", + VTY_CURR_XPATH, FRR_PIM_AF_XPATH_VAL); + + if (printed >= (int)(sizeof(mld_if_xpath))) { + vty_out(vty, "Xpath too long (%d > %u)", printed + 1, + XPATH_MAXLEN); + return CMD_WARNING_CONFIG_FAILED; + } + + mld_enable_dnode = yang_dnode_getf(vty->candidate_config->dnode, + FRR_GMP_ENABLE_XPATH, VTY_CURR_XPATH, + FRR_PIM_AF_XPATH_VAL); + + if (!mld_enable_dnode) { + nb_cli_enqueue_change(vty, mld_if_xpath, NB_OP_DESTROY, NULL); + nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); + } else { + if (!yang_dnode_get_bool(mld_enable_dnode, ".")) { + nb_cli_enqueue_change(vty, mld_if_xpath, NB_OP_DESTROY, + NULL); + nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); + } else + nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, + "false"); + } + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_ip_pim_drprio_cmd(struct vty *vty, const char *drpriority_str) +{ + nb_cli_enqueue_change(vty, "./dr-priority", NB_OP_MODIFY, + drpriority_str); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_no_ip_pim_drprio_cmd(struct vty *vty) +{ + nb_cli_enqueue_change(vty, "./dr-priority", NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_ip_pim_hello_cmd(struct vty *vty, const char *hello_str, + const char *hold_str) +{ + const struct lyd_node *mld_enable_dnode; + + mld_enable_dnode = yang_dnode_getf(vty->candidate_config->dnode, + FRR_GMP_ENABLE_XPATH, VTY_CURR_XPATH, + FRR_PIM_AF_XPATH_VAL); + + if (!mld_enable_dnode) { + nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, + "true"); + } else { + if (!yang_dnode_get_bool(mld_enable_dnode, ".")) + nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, + "true"); + } + + nb_cli_enqueue_change(vty, "./hello-interval", NB_OP_MODIFY, hello_str); + + if (hold_str) + nb_cli_enqueue_change(vty, "./hello-holdtime", NB_OP_MODIFY, + hold_str); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_no_ip_pim_hello_cmd(struct vty *vty) +{ + nb_cli_enqueue_change(vty, "./hello-interval", NB_OP_DESTROY, NULL); + nb_cli_enqueue_change(vty, "./hello-holdtime", NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_ip_pim_activeactive_cmd(struct vty *vty, const char *no) +{ + if (no) + nb_cli_enqueue_change(vty, "./active-active", NB_OP_MODIFY, + "false"); + else { + nb_cli_enqueue_change(vty, "./pim-enable", NB_OP_MODIFY, + "true"); + + nb_cli_enqueue_change(vty, "./active-active", NB_OP_MODIFY, + "true"); + } + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_ip_pim_boundary_oil_cmd(struct vty *vty, const char *oil) +{ + nb_cli_enqueue_change(vty, "./multicast-boundary-oil", NB_OP_MODIFY, + oil); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_no_ip_pim_boundary_oil_cmd(struct vty *vty) +{ + nb_cli_enqueue_change(vty, "./multicast-boundary-oil", NB_OP_DESTROY, + NULL); + + return nb_cli_apply_changes(vty, FRR_PIM_INTERFACE_XPATH, + FRR_PIM_AF_XPATH_VAL); +} + +int pim_process_ip_mroute_cmd(struct vty *vty, const char *interface, + const char *group_str, const char *source_str) +{ + nb_cli_enqueue_change(vty, "./oif", NB_OP_MODIFY, interface); + + if (!source_str) { + char buf[SRCDEST2STR_BUFFER]; + + inet_ntop(AF_INET6, &in6addr_any, buf, sizeof(buf)); + return nb_cli_apply_changes(vty, FRR_PIM_MROUTE_XPATH, + FRR_PIM_AF_XPATH_VAL, buf, + group_str); + } + + return nb_cli_apply_changes(vty, FRR_PIM_MROUTE_XPATH, + FRR_PIM_AF_XPATH_VAL, source_str, + group_str); +} + +int pim_process_no_ip_mroute_cmd(struct vty *vty, const char *interface, + const char *group_str, const char *source_str) +{ + nb_cli_enqueue_change(vty, ".", NB_OP_DESTROY, NULL); + + if (!source_str) { + char buf[SRCDEST2STR_BUFFER]; + + inet_ntop(AF_INET6, &in6addr_any, buf, sizeof(buf)); + return nb_cli_apply_changes(vty, FRR_PIM_MROUTE_XPATH, + FRR_PIM_AF_XPATH_VAL, buf, + group_str); + } + + return nb_cli_apply_changes(vty, FRR_PIM_MROUTE_XPATH, + FRR_PIM_AF_XPATH_VAL, source_str, + group_str); +} + +int pim_process_rp_cmd(struct vty *vty, const char *rp_str, + const char *group_str) +{ + const char *vrfname; + char rp_group_xpath[XPATH_MAXLEN]; + int result = 0; + struct prefix group; + pim_addr rp_addr; + + result = str2prefix(group_str, &group); + if (result) { + struct prefix temp; + + prefix_copy(&temp, &group); + apply_mask(&temp); + if (!prefix_same(&group, &temp)) { + vty_out(vty, "%% Inconsistent address and mask: %s\n", + group_str); + return CMD_WARNING_CONFIG_FAILED; + } + } + + if (!result) { + vty_out(vty, "%% Bad group address specified: %s\n", group_str); + return CMD_WARNING_CONFIG_FAILED; + } + + result = inet_pton(PIM_AF, rp_str, &rp_addr); + if (result <= 0) { + vty_out(vty, "%% Bad RP address specified: %s\n", rp_str); + return CMD_WARNING_CONFIG_FAILED; + } + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(rp_group_xpath, sizeof(rp_group_xpath), + FRR_PIM_STATIC_RP_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL, rp_str); + strlcat(rp_group_xpath, "/group-list", sizeof(rp_group_xpath)); + + nb_cli_enqueue_change(vty, rp_group_xpath, NB_OP_CREATE, group_str); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_rp_cmd(struct vty *vty, const char *rp_str, + const char *group_str) +{ + char group_list_xpath[XPATH_MAXLEN]; + char group_xpath[XPATH_MAXLEN]; + char rp_xpath[XPATH_MAXLEN]; + int printed; + const char *vrfname; + const struct lyd_node *group_dnode; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(rp_xpath, sizeof(rp_xpath), FRR_PIM_STATIC_RP_XPATH, + "frr-pim:pimd", "pim", vrfname, FRR_PIM_AF_XPATH_VAL, rp_str); + + printed = snprintf(group_list_xpath, sizeof(group_list_xpath), + "%s/group-list", rp_xpath); + + if (printed >= (int)(sizeof(group_list_xpath))) { + vty_out(vty, "Xpath too long (%d > %u)", printed + 1, + XPATH_MAXLEN); + return CMD_WARNING_CONFIG_FAILED; + } + + printed = snprintf(group_xpath, sizeof(group_xpath), "%s[.='%s']", + group_list_xpath, group_str); + + if (printed >= (int)(sizeof(group_xpath))) { + vty_out(vty, "Xpath too long (%d > %u)", printed + 1, + XPATH_MAXLEN); + return CMD_WARNING_CONFIG_FAILED; + } + + group_dnode = yang_dnode_get(vty->candidate_config->dnode, group_xpath); + if (!group_dnode) { + vty_out(vty, "%% Unable to find specified RP\n"); + return NB_OK; + } + + if (yang_is_last_list_dnode(group_dnode)) + nb_cli_enqueue_change(vty, rp_xpath, NB_OP_DESTROY, NULL); + else + nb_cli_enqueue_change(vty, group_list_xpath, NB_OP_DESTROY, + group_str); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_rp_plist_cmd(struct vty *vty, const char *rp_str, + const char *prefix_list) +{ + const char *vrfname; + char rp_plist_xpath[XPATH_MAXLEN]; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(rp_plist_xpath, sizeof(rp_plist_xpath), + FRR_PIM_STATIC_RP_XPATH, "frr-pim:pimd", "pim", vrfname, + FRR_PIM_AF_XPATH_VAL, rp_str); + strlcat(rp_plist_xpath, "/prefix-list", sizeof(rp_plist_xpath)); + + nb_cli_enqueue_change(vty, rp_plist_xpath, NB_OP_MODIFY, prefix_list); + + return nb_cli_apply_changes(vty, NULL); +} + +int pim_process_no_rp_plist_cmd(struct vty *vty, const char *rp_str, + const char *prefix_list) +{ + char rp_xpath[XPATH_MAXLEN]; + char plist_xpath[XPATH_MAXLEN]; + const char *vrfname; + const struct lyd_node *plist_dnode; + const char *plist; + + vrfname = pim_cli_get_vrf_name(vty); + if (vrfname == NULL) + return CMD_WARNING_CONFIG_FAILED; + + snprintf(rp_xpath, sizeof(rp_xpath), FRR_PIM_STATIC_RP_XPATH, + "frr-pim:pimd", "pim", vrfname, FRR_PIM_AF_XPATH_VAL, rp_str); + + snprintf(plist_xpath, sizeof(plist_xpath), FRR_PIM_STATIC_RP_XPATH, + "frr-pim:pimd", "pim", vrfname, FRR_PIM_AF_XPATH_VAL, rp_str); + strlcat(plist_xpath, "/prefix-list", sizeof(plist_xpath)); + + plist_dnode = yang_dnode_get(vty->candidate_config->dnode, plist_xpath); + if (!plist_dnode) { + vty_out(vty, "%% Unable to find specified RP\n"); + return NB_OK; + } + + plist = yang_dnode_get_string(plist_dnode, plist_xpath); + if (strcmp(prefix_list, plist)) { + vty_out(vty, "%% Unable to find specified RP\n"); + return NB_OK; + } + + nb_cli_enqueue_change(vty, rp_xpath, NB_OP_DESTROY, NULL); + + return nb_cli_apply_changes(vty, NULL); +} |