repositorylist_cmd.c
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/*
* Copyright (c) 2015 Stichting NLnet Labs
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*/
#include "enforcer/repositorylist_cmd.h"
#include "daemon/engine.h"
#include "clientpipe.h"
#include "log.h"
#include "str.h"
#include <libxml/xpath.h>
#include <libxml/xmlreader.h>
#include "file.h"
static const char *module_str = "repositorylist_cmd";
static int
perform_repositorylist(int sockfd)
{
const char* cfgfile = ODS_SE_CFGFILE;
xmlDocPtr doc = NULL;
xmlNode *curNode;
xmlXPathContextPtr xpathCtx = NULL;
xmlXPathObjectPtr xpathObj = NULL;
const char *fmt = "%-31s %-13s %-13s\n";
char *capacity = NULL;
int backup;
char *repository = NULL;
int i;
xmlChar *xexpr = (unsigned char *)"//Configuration/RepositoryList/Repository";
doc = xmlParseFile(cfgfile);
if (doc == NULL) {
ods_log_error("[%s] unable to read cfgfile %s", module_str, cfgfile);
return -1;
}
xpathCtx = xmlXPathNewContext(doc);
if (xpathCtx == NULL) {
ods_log_error("[%s] unable to create new XPath context for cfgfile"
"%s expr %s", module_str, cfgfile, xexpr);
xmlFreeDoc(doc);
return -1;
}
xpathObj = xmlXPathEvalExpression(xexpr, xpathCtx);
if(xpathObj == NULL) {
ods_log_error("[%s] unable to evaluate required element %s in "
"cfgfile %s", module_str, xexpr, cfgfile);
xmlXPathFreeContext(xpathCtx);
xmlFreeDoc(doc);
return -1;
}
client_printf(sockfd, "Repositories:\n");
client_printf(sockfd, fmt, "Name:", "Capacity:", "RequireBackup:");
if (xpathObj->nodesetval){
for (i = 0; i < xpathObj->nodesetval->nodeNr; i++) {
curNode = xpathObj->nodesetval->nodeTab[i]->xmlChildrenNode;
repository = (char*)xmlGetProp(xpathObj->nodesetval->nodeTab[i], (const xmlChar *)"name");
backup = 0;
while (curNode) {
if (xmlStrEqual(curNode->name, (const xmlChar *)"Capacity"))
capacity = (char*) xmlNodeGetContent(curNode);
if (xmlStrEqual(curNode->name, (const xmlChar *)"RequireBackup"))
backup = 1;
curNode = curNode->next;
}
client_printf(sockfd, fmt, repository, capacity?capacity:"-", backup?"Yes":"No");
free(repository);
repository = NULL;
free(capacity);
capacity = NULL;
}
}
xmlXPathFreeObject(xpathObj);
xmlXPathFreeContext(xpathCtx);
xmlFreeDoc(doc);
return 0;
}
static void
usage(int sockfd)
{
client_printf(sockfd,
"repository list\n");
}
static void
help(int sockfd)
{
client_printf(sockfd, "List repositories.\n\n");
}
static int
run(int sockfd, cmdhandler_ctx_type* context, const char *cmd)
{
(void)cmd;
ods_log_debug("[%s] %s command", module_str,
repositorylist_funcblock.cmdname);
if (perform_repositorylist(sockfd)) {
ods_log_error_and_printf(sockfd, module_str,
"unable to list repositories ");
return 1;
}
return 0;
}
struct cmd_func_block repositorylist_funcblock = {
"repository list", &usage, &help, NULL, &run
};
engine.h
repositorylist_cmd.h
repositorylist_funcblock
struct cmd_func_block repositorylist_funcblock
Definition: repositorylist_cmd.c:139