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commands.c
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/*
* commands.c
* Author Radek Krejci <rkrejci@cesnet.cz>
*
* Implementation of the NETCONF client commands.
*
* Copyright (C) 2012 CESNET, z.s.p.o.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of the Company nor the names of its contributors
* may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* ALTERNATIVELY, provided that this notice is retained in full, this
* product may be distributed under the terms of the GNU General Public
* License (GPL) version 2 or later, in which case the provisions
* of the GPL apply INSTEAD OF those given above.
*
* This software is provided ``as is, and any express or implied
* warranties, including, but not limited to, the implied warranties of
* merchantability and fitness for a particular purpose are disclaimed.
* In no event shall the company or contributors be liable for any
* direct, indirect, incidental, special, exemplary, or consequential
* damages (including, but not limited to, procurement of substitute
* goods or services; loss of use, data, or profits; or business
* interruption) however caused and on any theory of liability, whether
* in contract, strict liability, or tort (including negligence or
* otherwise) arising in any way out of the use of this software, even
* if advised of the possibility of such damage.
*
*/
#define _GNU_SOURCE
#include <stdarg.h>
#include <ctype.h>
#include <stdio.h>
#include <unistd.h>
#include <libnetconf.h>
#include <getopt.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/sendfile.h>
#include <fcntl.h>
#include <dirent.h>
#include <time.h>
#include <libxml/tree.h>
#ifndef DISABLE_NOTIFICATIONS
#include <pthread.h>
#endif
#include <libnetconf.h>
#include <libnetconf_ssh.h>
#ifdef ENABLE_TLS
# include <openssl/pem.h>
# include <openssl/x509v3.h>
# include <libnetconf_tls.h>
#endif
#include "commands.h"
#include "configuration.h"
#include "readinput.h"
#include "test.h"
static const char rcsid[] __attribute__((used)) ="$Id: "__FILE__": "RCSID" $";
#define NC_CAP_CANDIDATE_ID "urn:ietf:params:netconf:capability:candidate:1.0"
#define NC_CAP_STARTUP_ID "urn:ietf:params:netconf:capability:startup:1.0"
#define NC_CAP_ROLLBACK_ID "urn:ietf:params:netconf:capability:rollback-on-error:1.0"
#define NC_CAP_VALIDATE10_ID "urn:ietf:params:netconf:capability:validate:1.0"
#define NC_CAP_VALIDATE11_ID "urn:ietf:params:netconf:capability:validate:1.1"
#define NC_CAP_WITHDEFAULTS_ID "urn:ietf:params:netconf:capability:with-defaults:1.0"
#define NC_CAP_URL_ID "urn:ietf:params:netconf:capability:url:1.0"
extern int done;
extern struct cli_options* opts;
volatile int verb_level = 0;
volatile int time_commands = 0;
void print_version();
struct nc_session* session = NULL;
#define BUFFER_SIZE 1024
COMMAND commands[] = {
{"help", cmd_help, "Display this text"},
{"connect", cmd_connect, "Connect to a NETCONF server"},
#ifndef DISABLE_CALLHOME
{"listen", cmd_listen, "Listen for a NETCONF Call Home"},
#endif
{"disconnect", cmd_disconnect, "Disconnect from a NETCONF server"},
{"commit", cmd_commit, "NETCONF <commit> operation"},
{"copy-config", cmd_copyconfig, "NETCONF <copy-config> operation"},
{"delete-config", cmd_deleteconfig, "NETCONF <delete-config> operation"},
{"discard-changes", cmd_discardchanges, "NETCONF <discard-changes> operation"},
{"edit-config", cmd_editconfig, "NETCONF <edit-config> operation"},
{"get", cmd_get, "NETCONF <get> operation"},
{"get-config", cmd_getconfig, "NETCONF <get-config> operation"},
{"get-schema", cmd_getschema, "NETCONF <get-schema> operation"},
{"kill-session", cmd_killsession, "NETCONF <kill-session> operation"},
{"lock", cmd_lock, "NETCONF <lock> operation"},
{"unlock", cmd_unlock, "NETCONF <unlock> operation"},
{"validate", cmd_validate, "NETCONF <validate> operation"},
{"test", cmd_test, "Run a specified test case"},
#ifndef DISABLE_NOTIFICATIONS
{"subscribe", cmd_subscribe, "NETCONF Event Notifications <create-subscription> operation"},
#endif
#ifdef ENABLE_TLS
{"cert", cmd_cert, "Manage trusted or your own certificates"},
{"crl", cmd_crl, "Manage Certificate Revocation List directory"},
#endif
{"time", cmd_time, "Enable/disable measuring time of command execution"},
{"knownhosts", cmd_knownhosts, "Manage known hosts in the \"~/.ssh/known_hosts\" file"},
{"status", cmd_status, "Print information about the current NETCONF session"},
{"user-rpc", cmd_userrpc, "Send your own content in an RPC envelope (for DEBUG purposes)"},
{"verbose", cmd_verbose, "Enable/disable verbose messages"},
{"quit", cmd_quit, "Quit the program"},
{"auth", cmd_auth, "Manage SSH authentication options"},
{"capability", cmd_capability, "Add/remove capability to/from the list of supported capabilities"},
{"editor", cmd_editor, "Manage the editor to be used for manual XML pasting/writing"},
/* synonyms for previous commands */
{"debug", cmd_debug, NULL},
{"?", cmd_help, NULL},
{"exit", cmd_quit, NULL},
{NULL, NULL, NULL}
};
char* cert_commands[] = {
"display",
"add",
"remove",
"displayown",
"replaceown",
NULL
};
char* crl_commands[] = {
"display",
"add",
"remove",
NULL
};
char* auth_commands[] = {
"pref",
"keys",
NULL
};
char* auth_pref_commands[] = {
"publickey",
"password",
"interactive",
NULL
};
char* auth_keys_commands[] = {
"add",
"remove",
NULL
};
typedef enum GENERIC_OPS {
GO_COMMIT,
GO_DISCARD_CHANGES
} GENERIC_OPS;
int cmd_generic_op(GENERIC_OPS op, const char* arg, FILE* output);
struct arglist {
char** list;
int count;
int size;
};
/**
* \brief Initiate arglist to defined values
*
* \param args pointer to the arglist structure
* \return 0 if success, non-zero otherwise
*/
void init_arglist(struct arglist* args) {
if (args != NULL) {
args->list = NULL;
args->count = 0;
args->size = 0;
}
}
/**
* \brief Clear arglist including free up allocated memory
*
* \param args pointer to the arglist structure
* \return none
*/
void clear_arglist(struct arglist* args) {
int i = 0;
if (args && args->list) {
for (i = 0; i < args->count; i++) {
if (args->list[i]) {
free(args->list[i]);
}
}
free(args->list);
}
init_arglist(args);
}
/**
* \brief add arguments to arglist
*
* Adds erguments to arglist's structure. Arglist's list variable
* is used to building execv() arguments.
*
* \param args arglist to store arguments
* \param format arguments to add to the arglist
*/
void addargs(struct arglist* args, char* format, ...) {
va_list arguments;
char* aux = NULL, *aux1 = NULL;
int len;
if (args == NULL) {
return;
}
/* store arguments to aux string */
va_start(arguments, format);
if ((len = vasprintf(&aux, format, arguments)) == -1)
perror("addargs - vasprintf");
va_end(arguments);
/* parse aux string and store it to the arglist */
/* find \n and \t characters and replace them by space */
while ((aux1 = strpbrk(aux, "\n\t")) != NULL) {
*aux1 = ' ';
}
/* remember the begining of the aux string to free it after operations */
aux1 = aux;
/*
* get word by word from given string and store words separately into
* the arglist
*/
for (aux = strtok(aux, " "); aux != NULL; aux = strtok(NULL, " ")) {
if (!strcmp(aux, ""))
continue;
if (args->list == NULL) { /* initial memory allocation */
if ((args->list = (char**)malloc(8 * sizeof(char*))) == NULL) {
perror("Fatal error while allocating memory");
}
args->size = 8;
args->count = 0;
} else if (args->count + 2 >= args->size) {
/*
* list is too short to add next to word so we have to
* extend it
*/
args->size += 8;
args->list = realloc(args->list, args->size * sizeof(char *));
}
/* add word in the end of the list */
if ((args->list[args->count] = (char*)malloc((strlen(aux) + 1) * sizeof(char))) == NULL)
perror("Fatal error while allocating memory");
strcpy(args->list[args->count], aux);
args->list[++args->count] = NULL; /* last argument */
}
/* clean up */
free(aux1);
}
int cmd_status(const char* UNUSED(arg), const char* UNUSED(old_input_file), FILE* output, FILE* UNUSED(input)) {
const char* s;
struct nc_cpblts* cpblts;
if (session == NULL) {
fprintf(output, "Client is not connected to any NETCONF server.\n");
} else if (nc_session_get_status(session) != NC_SESSION_STATUS_WORKING) {
fprintf(output, "Session is broken, cleaning out.\n");
cmd_disconnect(NULL, NULL, output, NULL);
} else {
fprintf(output, "Current NETCONF session:\n");
fprintf(output, " ID : %s\n", nc_session_get_id(session));
fprintf(output, " Host : %s\n", nc_session_get_host(session));
fprintf(output, " Port : %s\n", nc_session_get_port(session));
fprintf(output, " User : %s\n", nc_session_get_user(session));
switch (nc_session_get_transport(session)) {
case NC_TRANSPORT_SSH:
s = "SSH";
break;
case NC_TRANSPORT_TLS:
s = "TLS";
break;
default:
s = "Unknown";
break;
}
fprintf(output, " Transport : %s\n", s);
fprintf(output, " Capabilities:\n");
cpblts = nc_session_get_cpblts(session);
if (cpblts != NULL) {
nc_cpblts_iter_start(cpblts);
while ((s = nc_cpblts_iter_next(cpblts)) != NULL) {
fprintf(output, "\t%s\n", s);
}
}
}
return EXIT_SUCCESS;
}
static NC_DATASTORE get_datastore(const char* paramtype, const char* operation, struct arglist* cmd, int index, char** url, FILE* output, FILE* input) {
int valid = 0;
char *datastore;
NC_DATASTORE retval = NC_DATASTORE_ERROR;
if (index == cmd->count) {
userinput:
datastore = malloc(sizeof(char) * BUFFER_SIZE);
if (datastore == NULL) {
ERROR(operation, "memory allocation error (%s).", strerror(errno));
return NC_DATASTORE_ERROR;
}
/* repeat user input until valid datastore is selected */
while (!valid) {
/* get mandatory argument */
INSTRUCTION(output, "Select %s datastore (running", paramtype);
if (nc_cpblts_enabled(session, NC_CAP_STARTUP_ID)) {
fprintf(output, "|startup");
}
if (nc_cpblts_enabled(session, NC_CAP_CANDIDATE_ID)) {
fprintf(output, "|candidate");
}
if (nc_cpblts_enabled(session, NC_CAP_URL_ID)) {
fprintf(output, "|url:<dsturl>");
}
fprintf(output, "): ");
if (fscanf(input, "%1023s", datastore) == EOF) {
free(datastore);
ERROR(operation, "Reading the user input failed (%s).", (errno != 0) ? strerror(errno) : "Unexpected input");
return NC_DATASTORE_ERROR;
}
/* validate argument */
if (strcmp(datastore, "running") == 0) {
valid = 1;
retval = NC_DATASTORE_RUNNING;
}
if (nc_cpblts_enabled(session, NC_CAP_STARTUP_ID) && strcmp(datastore, "startup") == 0) {
valid = 1;
retval = NC_DATASTORE_STARTUP;
}
if (nc_cpblts_enabled(session, NC_CAP_CANDIDATE_ID) && strcmp(datastore, "candidate") == 0) {
valid = 1;
retval = NC_DATASTORE_CANDIDATE;
}
if (nc_cpblts_enabled(session, NC_CAP_URL_ID) && strncmp(datastore, "url:", 4) == 0) {
valid = 1;
retval = NC_DATASTORE_URL;
if (url != NULL) {
*url = strdup(&(datastore[4]));
}
}
if (!valid) {
ERROR(operation, "invalid %s datastore type.", paramtype);
} else {
free(datastore);
}
}
} else if ((index + 1) == cmd->count) {
datastore = cmd->list[index];
/* validate argument */
if (strcmp(datastore, "running") == 0) {
valid = 1;
retval = NC_DATASTORE_RUNNING;
}
if (nc_cpblts_enabled(session, NC_CAP_STARTUP_ID) && strcmp(datastore, "startup") == 0) {
valid = 1;
retval = NC_DATASTORE_STARTUP;
}
if (nc_cpblts_enabled(session, NC_CAP_CANDIDATE_ID) && strcmp(datastore, "candidate") == 0) {
valid = 1;
retval = NC_DATASTORE_CANDIDATE;
}
if (nc_cpblts_enabled(session, NC_CAP_URL_ID) && strncmp(datastore, "url:", 4) == 0) {
valid = 1;
retval = NC_DATASTORE_URL;
if (url != NULL) {
*url = strdup(&(datastore[4]));
}
}
if (!valid) {
goto userinput;
}
} else {
ERROR(operation, "invalid parameters, see \'%s --help\'.", operation);
return NC_DATASTORE_ERROR;
}
return retval;
}
static NCWD_MODE get_withdefaults(const char* operation, const char* mode, FILE* output, FILE* input) {
NCWD_MODE retval = NCWD_MODE_NOTSET;
char* mode_aux;
mode_aux = malloc(sizeof(char) * 128);
if (0) {
userinput:
/* get mandatory argument */
INSTRUCTION(output, "Select a with-defaults mode (report-all|report-all-tagged|trim|explicit): ");
if (fscanf(input, "%127s", mode_aux) == EOF) {
ERROR(operation, "Reading user input failed (%s).", (errno != 0) ? strerror(errno) : "Unexpected input");
free(mode_aux);
return NCWD_MODE_NOTSET;
}
mode = mode_aux;
}
if (mode != NULL) {
if (strcmp(mode, "report-all") == 0) {
retval = NCWD_MODE_ALL;
} else if (strcmp(mode, "report-all-tagged") == 0) {
retval = NCWD_MODE_ALL_TAGGED;
} else if (strcmp(mode, "trim") == 0) {
retval = NCWD_MODE_TRIM;
} else if (strcmp(mode, "explicit") == 0) {
retval = NCWD_MODE_EXPLICIT;
} else {
goto userinput;
}
}
free(mode_aux);
return retval;
}
static struct nc_filter* set_filter(const char* operation, const char* file, int interactive, FILE* output) {
int filter_fd;
struct stat filter_stat;
char *filter_s;
struct nc_filter *filter = NULL;
if (operation == NULL) {
return NULL;
}
if (!interactive) {
/* open filter from the file */
filter_fd = open(file, O_RDONLY);
if (filter_fd == -1) {
ERROR(operation, "unable to open the filter file (%s).", strerror(errno));
return NULL;
}
/* map content of the file into the memory */
if (fstat(filter_fd, &filter_stat) != 0) {
ERROR(operation, "fstat failed (%s).", strerror(errno));
close(filter_fd);
return NULL;
}
filter_s = (char*)mmap(NULL, filter_stat.st_size, PROT_READ, MAP_PRIVATE, filter_fd, 0);
if (filter_s == MAP_FAILED) {
ERROR(operation, "mmapping of the filter file failed (%s).", strerror(errno));
close(filter_fd);
return NULL;
}
/* create the filter according to the file content */
filter = nc_filter_new(NC_FILTER_SUBTREE, filter_s);
/* unmap filter file and close it */
munmap(filter_s, filter_stat.st_size);
close(filter_fd);
} else {
/* let user write filter interactively */
filter_s = readinput("Type the filter.", file, output);
/* create the filter according to the file content */
filter = nc_filter_new(NC_FILTER_SUBTREE, filter_s);
/* cleanup */
free(filter_s);
}
return filter;
}
static double timespec_subtract(struct timespec larger, struct timespec smaller) {
double ret;
if (larger.tv_sec < smaller.tv_sec) {
fprintf(stderr, "Wrong order of timespec_subtract() arguments.\n");
return 0;
}
if ((larger.tv_sec == smaller.tv_sec) && (larger.tv_nsec < smaller.tv_nsec)) {
fprintf(stderr, "Wrong order of timespec_subtract() arguments.\n");
return 0;
}
// convert one sec to nanosec
if (larger.tv_nsec < smaller.tv_nsec) {
larger.tv_sec--;
larger.tv_nsec += 1000000000L;
}
ret = larger.tv_sec - smaller.tv_sec;
ret += ((double) (larger.tv_nsec - smaller.tv_nsec)) / 1000000000.0;
return ret;
}
/* rpc parameter is freed after the function call */
static int send_recv_process(const char* operation, nc_rpc* rpc, const char* output_file, FILE* output) {
nc_reply *reply = NULL;
char *data = NULL;
FILE* out_stream;
NC_MSG_TYPE msg_type;
struct timespec tsold, tsnew;
int ret = EXIT_SUCCESS;
if (time_commands) {
clock_gettime(CLOCK_MONOTONIC, &tsold);
}
if (nc_session_get_status(session) != NC_SESSION_STATUS_WORKING) {
INSTRUCTION(output, "Session is broken, cleaning out.\n");
cmd_disconnect(NULL, NULL, output, NULL);
ret = EXIT_FAILURE;
goto cleanup;
}
/* send the request and get the reply */
msg_type = nc_session_send_recv(session, rpc, &reply);
if (time_commands) {
clock_gettime(CLOCK_MONOTONIC, &tsnew);
}
switch (msg_type) {
case NC_MSG_UNKNOWN:
if (nc_session_get_status(session) != NC_SESSION_STATUS_WORKING) {
ERROR(operation, "receiving rpc-reply failed.");
INSTRUCTION(output, "Closing the session.\n");
cmd_disconnect(NULL, NULL, output, NULL);
ret = EXIT_FAILURE;
break;
}
ERROR(operation, "Unknown error occurred.");
ret = EXIT_FAILURE;
break;
case NC_MSG_NONE:
/* error occurred, but processed by callback */
break;
case NC_MSG_REPLY:
switch (nc_reply_get_type(reply)) {
case NC_REPLY_OK:
INSTRUCTION(output, "Result OK\n");
break;
case NC_REPLY_DATA:
if (output_file != NULL) {
out_stream = fopen(output_file, "w");
if (out_stream == NULL) {
ERROR(operation, "Could not open the output file \"%s\" (%s).", output_file, strerror(errno));
ret = EXIT_FAILURE;
break;
}
if (!strcmp(operation, "get-config")) {
fprintf(out_stream, "<config xmlns=\"urn:ietf:params:xml:ns:netconf:base:1.0\">\n");
}
fprintf(out_stream, "%s\n", data = nc_reply_get_data(reply));
if (!strcmp(operation, "get-config")) {
fprintf(out_stream, "</config>\n");
}
fclose(out_stream);
} else {
INSTRUCTION(output, "Result:\n");
fprintf(output, "%s\n", data = nc_reply_get_data(reply));
}
free(data);
break;
case NC_REPLY_ERROR:
/* wtf, you shouldn't be here !?!? */
ERROR(operation, "operation failed, but rpc-error was not processed.");
ret = EXIT_FAILURE;
break;
default:
ERROR(operation, "unexpected operation result.");
ret = EXIT_FAILURE;
break;
}
break;
default:
ERROR(operation, "Unknown error occurred.");
ret = EXIT_FAILURE;
break;
}
cleanup:
nc_rpc_free(rpc);
nc_reply_free(reply);
if (time_commands) {
fprintf(output, "Timed: %.6fs\n", timespec_subtract(tsnew, tsold));
}
return ret;
}
void cmd_editconfig_help(FILE* output) {
char *rollback;
char *validate;
if (session == NULL || nc_cpblts_enabled(session, NC_CAP_ROLLBACK_ID)) {
rollback = "|rollback";
} else {
rollback = "";
}
if (session == NULL || nc_cpblts_enabled(session, NC_CAP_VALIDATE11_ID)) {
validate = "[--test <set|test-only|test-then-set>] ";
} else if (session == NULL || nc_cpblts_enabled(session, NC_CAP_VALIDATE10_ID)) {
validate = "[--test <set|test-then-set>] ";
} else {
validate = "";
}
/* if session not established, print complete help for all capabilities */
fprintf(output, "edit-config [--help] [--defop <merge|replace|none>] [--error <stop|continue%s>] %s[--config <file> | --url <url>] running", rollback, validate);
if (session == NULL || nc_cpblts_enabled(session, NC_CAP_STARTUP_ID)) {
fprintf(output, "|startup");
}
if (session == NULL || nc_cpblts_enabled(session, NC_CAP_CANDIDATE_ID)) {
fprintf(output, "|candidate");
}
fprintf(output, "\nIf neither --config nor --url is specified, user is prompted to set edit data manually.\n");
}
int cmd_editconfig(const char* arg, const char* old_input_file, FILE* output, FILE* input) {
xmlDocPtr doc;
xmlNodePtr root;
int c;
char *config = NULL;
NC_DATASTORE target, source = NC_DATASTORE_ERROR;
NC_EDIT_DEFOP_TYPE defop = 0; /* do not set this parameter by default */
NC_EDIT_ERROPT_TYPE erropt = 0; /* do not set this parameter by default */
NC_EDIT_TESTOPT_TYPE testopt = 0;
nc_rpc *rpc = NULL;
struct arglist cmd;
struct option long_options[] ={
{"config", 1, 0, 'c'},
{"defop", 1, 0, 'd'},
{"error", 1, 0, 'e'},
{"help", 0, 0, 'h'},
{"test", 1, 0, 't'},
{"url", 1, 0, 'u'},
{0, 0, 0, 0}
};
int option_index = 0;
/* set back to start to be able to use getopt() repeatedly */
optind = 0;
init_arglist(&cmd);
addargs(&cmd, "%s", arg);
/* rocess command line parameters */
while ((c = getopt_long(cmd.count, cmd.list, "c:d:e:t:u:h", long_options, &option_index)) != -1) {
switch (c) {
case 'c':
/* check if -u was not used */
if (config != NULL) {
ERROR("edit-config", "mixing --config and --url parameters is not allowed.");
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* check that the file exists */
if (access(optarg, R_OK) != 0) {
ERROR("edit-config", "cannot access the file (%s).", strerror(errno));
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* read the configuration */
doc = xmlReadFile(optarg, NULL, XML_PARSE_NOBLANKS|XML_PARSE_NSCLEAN|XML_PARSE_NOERROR|XML_PARSE_NOWARNING);
if (doc == NULL) {
ERROR("edit-config", "failed to parse the file.");
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* remove the <config> root if included */
root = xmlDocGetRootElement(doc);
if (root != NULL) {
if (xmlStrEqual(root->name, BAD_CAST "config") && root->ns != NULL
&& xmlStrEqual(root->ns->href, BAD_CAST "urn:ietf:params:xml:ns:netconf:base:1.0")) {
xmlDocSetRootElement(doc, root->children);
xmlUnlinkNode(root);
xmlFree(root);
}
}
/* dump the content */
xmlDocDumpMemory(doc, (xmlChar**)&config, NULL);
source = NC_DATASTORE_CONFIG;
xmlFreeDoc(doc);
break;
case 'd':
/* validate default operation */
if (strcmp(optarg, "merge") == 0) {
defop = NC_EDIT_DEFOP_MERGE;
} else if (strcmp(optarg, "replace") == 0) {
defop = NC_EDIT_DEFOP_REPLACE;
} else if (strcmp(optarg, "none") == 0) {
defop = NC_EDIT_DEFOP_NONE;
} else {
ERROR("edit-config", "invalid default operation %s.", optarg);
cmd_editconfig_help(output);
clear_arglist(&cmd);
return EXIT_FAILURE;
}
break;
case 'e':
/* validate error option */
if (strcmp(optarg, "stop") == 0) {
erropt = NC_EDIT_ERROPT_STOP;
} else if (strcmp(optarg, "continue") == 0) {
erropt = NC_EDIT_ERROPT_CONT;
} else if (nc_cpblts_enabled(session, NC_CAP_ROLLBACK_ID) && strcmp(optarg, "rollback") == 0) {
erropt = NC_EDIT_ERROPT_ROLLBACK;
} else {
ERROR("edit-config", "invalid error-option %s.", optarg);
cmd_editconfig_help(output);
clear_arglist(&cmd);
return EXIT_FAILURE;
}
break;
case 'h':
cmd_editconfig_help(output);
clear_arglist(&cmd);
return EXIT_SUCCESS;
break;
case 't':
if (!(nc_cpblts_enabled(session, NC_CAP_VALIDATE11_ID) || nc_cpblts_enabled(session, NC_CAP_VALIDATE10_ID))) {
ERROR("edit-config", "test-option is not allowed by the current session");
cmd_editconfig_help(output);
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* validate test option */
if (strcmp(optarg, "set") == 0) {
testopt = NC_EDIT_TESTOPT_SET;
} else if (strcmp(optarg, "test-only") == 0 && nc_cpblts_enabled(session, NC_CAP_VALIDATE11_ID)) {
testopt = NC_EDIT_TESTOPT_TEST;
} else if (strcmp(optarg, "test-then-set") == 0) {
testopt = NC_EDIT_TESTOPT_TESTSET;
} else {
ERROR("edit-config", "invalid test-option %s.", optarg);
cmd_editconfig_help(output);
clear_arglist(&cmd);
return EXIT_FAILURE;
}
break;
case 'u':
/* check if -c was not used */
if (config != NULL) {
ERROR("edit-config", "mixing --config and --url parameters is not allowed.");
clear_arglist(&cmd);
return EXIT_FAILURE;
}
config = strdup(optarg);
source = NC_DATASTORE_URL;
break;
default:
ERROR("edit-config", "unknown option -%c.", c);
cmd_editconfig_help(output);
clear_arglist(&cmd);
return EXIT_FAILURE;
}
}
if (session == NULL) {
ERROR("get", "NETCONF session not established, use \'connect\' command.");
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* get what datastore is target of the operation */
target = get_datastore("target", "edit-config", &cmd, optind, NULL, output, input);
/* arglist is no more needed */
clear_arglist(&cmd);
if (target == NC_DATASTORE_ERROR) {
return EXIT_FAILURE;
}
/* check if edit configuration data were specified */
if (config == NULL) {
/* let user write edit data interactively */
config = readinput("Type the edit configuration data.", old_input_file, output);
if (config == NULL) {
ERROR("edit-config", "reading edit data failed.");
return EXIT_FAILURE;
}
source = NC_DATASTORE_CONFIG;
}
/* create requests */
rpc = nc_rpc_editconfig(target, source, defop, erropt, testopt, config);
free(config);
if (rpc == NULL) {
ERROR("edit-config", "creating rpc request failed.");
return EXIT_FAILURE;
}
/* send the request and get the reply */
return send_recv_process("edit-config", rpc, NULL, output);
}
void cmd_validate_help(FILE* output) {
char *ds_startup, *ds_candidate, *ds_url;
if (session == NULL) {
/* if session not established, print complete help for all capabilities */
ds_startup = "|startup";
ds_candidate = "|candidate";
ds_url = "|url:<url>";
} else {
if (nc_cpblts_enabled(session, NC_CAP_STARTUP_ID)) {
ds_startup = "|startup";
} else {
ds_startup = "";
}
if (nc_cpblts_enabled(session, NC_CAP_CANDIDATE_ID)) {
ds_candidate = "|candidate";
} else {
ds_candidate = "";
}
if (nc_cpblts_enabled(session, NC_CAP_URL_ID)) {
ds_url = "|url:<dsturl>";
} else {
ds_url = "";
}
}
fprintf(output, "validate [--help] --config [<file>] | running%s%s%s\n",
ds_startup, ds_candidate, ds_url);
if (session != NULL &&
!(nc_cpblts_enabled(session, NC_CAP_VALIDATE10_ID) || nc_cpblts_enabled(session, NC_CAP_VALIDATE11_ID))) {
fprintf(output, "WARNING: validate operation is not supported in the current session.\n");
}
}
int cmd_validate(const char* arg, const char* old_input_file, FILE* output, FILE* input) {
int c;
int config_fd;
struct stat config_stat;
char *config = NULL, *config_m = NULL;
NC_DATASTORE source = NC_DATASTORE_ERROR;
nc_rpc *rpc = NULL;
struct arglist cmd;
struct option long_options[] ={
{"config", 2, 0, 'c'},
{"help", 0, 0, 'h'},
{0, 0, 0, 0}
};
int option_index = 0;
/* set back to start to be able to use getopt() repeatedly */
optind = 0;
init_arglist(&cmd);
addargs(&cmd, "%s", arg);
while ((c = getopt_long(cmd.count, cmd.list, "c::h", long_options, &option_index)) != -1) {
switch (c) {
case 'c':
if (optarg == NULL) {
/* let user write edit data interactively */
config = readinput("Type the content of a configuration datastore.", old_input_file, output);
if (config == NULL) {
ERROR("validate", "reading configuration data failed.");
return EXIT_FAILURE;
}
} else {
/* open configuration data from the file */
config_fd = open(optarg, O_RDONLY);
if (config_fd == -1) {
ERROR("validate", "unable to open the local datastore file (%s).", strerror(errno));
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* map content of the file into the memory */
if (fstat(config_fd, &config_stat) != 0) {
ERROR("validate", "fstat failed (%s).", strerror(errno));
clear_arglist(&cmd);
close(config_fd);
return EXIT_FAILURE;
}
config_m = (char*)mmap(NULL, config_stat.st_size, PROT_READ, MAP_PRIVATE, config_fd, 0);
if (config_m == MAP_FAILED) {
ERROR("validate", "mmapping of the local datastore file failed (%s).", strerror(errno));
clear_arglist(&cmd);
close(config_fd);
return EXIT_FAILURE;
}
/* make a copy of the content to allow closing the file */
config = strdup(config_m);
/* unmap local datastore file and close it */
munmap(config_m, config_stat.st_size);
close(config_fd);
}
source = NC_DATASTORE_CONFIG;
break;
case 'h':
cmd_validate_help(output);
clear_arglist(&cmd);
return EXIT_SUCCESS;
break;
default:
ERROR("validate", "unknown option -%c.", c);
cmd_validate_help(output);
clear_arglist(&cmd);
return EXIT_FAILURE;
}
}
if (session == NULL) {
ERROR("validate", "NETCONF session not established, use \'connect\' command.");
clear_arglist(&cmd);
return EXIT_FAILURE;
}
/* if the config option not set, parse remaining arguments to get source */
if (config == NULL) {
source = get_datastore("source", "validate", &cmd, optind, &config, output, input);
}
/* arglist is no more needed */
clear_arglist(&cmd);
/* create requests */
rpc = nc_rpc_validate(source, config);
free(config);
if (rpc == NULL) {
ERROR("validate", "creating an rpc request failed.");
return EXIT_FAILURE;
}
/* send the request and get the reply */
return send_recv_process("validate", rpc, NULL, output);
}
void cmd_copyconfig_help(FILE* output) {
char *ds_startup, *ds_candidate, *ds_url;
char *defaults;
if (session == NULL) {
/* if session not established, print complete help for all capabilities */
ds_startup = "|startup";
ds_candidate = "|candidate";
ds_url = "|url:<dsturl>";
defaults = "[--defaults report-all|report-all-tagged|trim|explicit] ";
} else {
if (nc_cpblts_enabled(session, NC_CAP_STARTUP_ID)) {
ds_startup = "|startup";
} else {