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#include "inc/functions.h"
#include <iostream>
#include <unistd.h>
#include <pwd.h>
#include <sys/types.h>
/******************************************
* Adds user info and hostname to xml
*
* usernode: <username param="user" />
* hostnamenode: <hostname param="host" />
* computername: needed for bootpgm <computername .../>
******************************************/
void addInfo(xmlNode* node) {
if(node == NULL) {
return;
}
bool user = false;
bool host = false;
const int MAX_LENGTH = 200;
char hostname[MAX_LENGTH];
uid_t id;
passwd *pwd;
string strline;
xmlNodePtr cur = node->children;
xmlNodePtr usernode = NULL;
xmlNodePtr hostnamenode = NULL;
xmlNodePtr compnamenode = NULL;
xmlNodePtr firstchild = node->children;
// just use some standard Linux functions here ...
id = geteuid(); // gets effective user id
pwd = getpwuid(id); // gets passwd struct (including username)
gethostname(hostname, MAX_LENGTH-1); // gets hostname
// Get <username> node and add "username#param" attribute
while(cur != NULL) {
if (!xmlStrcmp(cur->name, (const xmlChar *)"username")){
user = true;
usernode = cur;
break;
}
cur = cur->next;
}
if(! user) {
usernode = xmlNewNode(NULL, (const xmlChar*) "username");
if(usernode != NULL ) {
xmlNewProp(usernode, (const xmlChar*) "param", (const xmlChar*) pwd->pw_name);
xmlAddChild(node, usernode);
}
else {
cerr << "<username> node could not be created!" << endl;
}
}
else {
// set param attribute in <username>
xmlSetProp(usernode, (const xmlChar*) "param", (const xmlChar*) pwd->pw_name);
}
cur = node->children;
// Get <hostname> node and add "hostname#param" attribute
while(cur != NULL) {
if (!xmlStrcmp(cur->name, (const xmlChar *)"hostname")){
host = true;
hostnamenode = cur;
break;
}
cur = cur->next;
}
if(! host) {
hostnamenode = xmlNewNode(NULL, (const xmlChar*) "hostname");
if(hostnamenode != NULL ) {
xmlNewProp(hostnamenode, (const xmlChar*) "param", (const xmlChar*) hostname);
xmlAddChild(node, hostnamenode);
}
else {
cerr << "<hostname> node could not be created!" << endl;
}
}
else {
// add param value to existant hostname-node
xmlSetProp(hostnamenode, (const xmlChar*) "param", (xmlChar*) hostname);
}
// We need to add computername-node as the first node
compnamenode = xmlNewNode(NULL, (const xmlChar*) "computername");
if(compnamenode != NULL) {
xmlNewProp(compnamenode, (const xmlChar*) "param", (const xmlChar*) hostname);
// Add this node to the beginning of available children
// -> that is because bootpgm only looks in the first 500 chars
if(firstchild != NULL) {
xmlAddPrevSibling(firstchild, compnamenode);
}
//xmlFreeNode(compnamenode);
}
else {
cerr << "<computername> node could not be created!" << endl;
}
return;
}
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