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#include <arpa/inet.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/un.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include "common.h"
#include "dhcp.h"
#include "dhcpcd.h"
#include "errno.h"
#include "info.h"
#include "logger.h"
#include "logwriter.h"
#include "../../common/fbgui.h" // for constants
/*sockets for the logger and the qt-reader */
int sockfd, ns;
int retval = -1;
char socketName[QTSOCKETADDRESSLENGTH];
char interfaceName[IF_NAMESIZE];
char mesg[1024];
void setSocketName(const char * sn) {
snprintf(socketName, sizeof(socketName), "%s", sn);
}
void setInterfaceName(const char * in) {
snprintf(interfaceName, sizeof(interfaceName), "%s", in);
}
int initQtLoggerSocket() {
/**
* new code. seems to be right.
*/
struct sockaddr_un serv_addr;
fprintf(stdout, "start init \n");
sockfd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sockfd < 0) {
fprintf(stdout, "ERROR opening socket \n");
retval = sockfd;
return sockfd;
}
serv_addr.sun_family = AF_UNIX;
strcpy(serv_addr.sun_path, socketName);
retval = connect(sockfd, (struct sockaddr *) &serv_addr, sizeof(serv_addr));
if (retval < 0)
fprintf(stdout, "ERROR connecting \n");
fprintf(stdout, "init Qt Logger Socket done \n");
return retval;
}
void closeQtLoggerSocket() {
close(sockfd);
}
void sendToQt(log_msg * msg) {
int n = -1;
int t;
int ret;
const char *tpl = "%s;%d;%d;%s\n";
char outbuf[DHCP_MESSAGE_SIZE];
char ack[ACK_SIZE];
/*
size_t outbuf_size = sizeof(char) * 4 + // ";" *3 + newline
sizeof(int) * 2 + // status, substatus
sizeof(msg->device) + // devicename
sizeof(msg->msg); // msg
outbuf = malloc(outbuf_size);
memset(outbuf, 0, outbuf_size);
snprintf(outbuf, sizeof(char) * 3 + sizeof(int) * 2 + sizeof(msg->device)
+ sizeof(msg->msg), tpl, msg->device, msg->status, msg->substatus,
msg->msg);
*/
memset(outbuf, '\0', DHCP_MESSAGE_SIZE);
ret = snprintf(outbuf, DHCP_MESSAGE_SIZE, tpl, msg->device, msg->status,
msg->substatus, msg->msg);
if (ret < 1) {
logger(LOG_INFO, "[fbgui] ERROR filling message buffer");
//syslog(LOG_INFO, "[fbgui] ERROR filling message buffer");
return;
}
if (outbuf != NULL) {
n = send(sockfd, outbuf, DHCP_MESSAGE_SIZE, 0);
}
syslog(LOG_INFO, "[fbgui] INFO writing to socket: [%d:%d] %s (%s)",
msg->status, msg->substatus, msg->msg, msg->device);
if (n <= 0) {
logger(LOG_ERR, "[fbgui] ERROR writing to socket: [%d:%d] %s (%s)",
msg->status, msg->substatus, msg->msg, msg->device);
//syslog(LOG_ERR, "[fbgui] ERROR writing to socket: [%d:%d] %s (%s)",
// msg->status, msg->substatus, msg->msg, msg->device);
}
/*
memset(ack, 0, ACK_SIZE);
if ((t = recv(sockfd, ack, ACK_SIZE, 0)) > 0) {
syslog(LOG_ERR, "[fbgui] recv ack echo> %s", ack);
printf("received: %s\n", ack);
} else {
if (t < 0)
syslog(LOG_ERR, "[fbgui] ERROR receiving from socket");
else
syslog(LOG_ERR, "[fbgui] ERROR Server closed");
}
*/
}
void logToQt(int status, int substatus, const char * msg) {
if (retval >= 0) {
log_msg lm;
lm.status = status;
lm.substatus = substatus;
snprintf(lm.msg, sizeof(lm.msg), "%s", msg);
snprintf(lm.device, sizeof(lm.device), "%s", interfaceName);
sendToQt(&lm);
}
}
void logSendToQt(int type) {
switch (type) {
case DHCP_DISCOVER:
logToQt(LOG_INFO, DHCP_DISCOVER, "send discover");
break;
case DHCP_OFFER:
logToQt(LOG_INFO, DHCP_OFFER, "send offer");
break;
case DHCP_REQUEST:
logToQt(LOG_INFO, DHCP_REQUEST, "send request");
break;
case DHCP_DECLINE:
logToQt(LOG_INFO, DHCP_DECLINE, "send decline");
break;
case DHCP_ACK:
logToQt(LOG_INFO, DHCP_ACK, "send ack");
break;
case DHCP_NAK:
logToQt(LOG_INFO, DHCP_NAK, "send nak");
break;
case DHCP_RELEASE:
logToQt(LOG_INFO, DHCP_RELEASE, "send release");
break;
case DHCP_INFORM:
logToQt(LOG_INFO, DHCP_INFORM, "send inform");
break;
default:
break;
}
}
void logLoggerToQt(int level, const char *fmt, ...) {
// Format string into buffer
va_list argptr;
va_start (argptr, fmt);
int size = 255 + 2;
char *string = (char *) malloc (size);
int required = vsnprintf (string, size, fmt, argptr);
if (required >= size)
{
size = required + 2;
string = (char *) realloc (string, size);
vsnprintf (string, size, fmt, argptr);
}
va_end (argptr);
strcat(string, "\n");
logToQt(level, DHCPCD_LOG, string);
}
static void print_addresses (FILE *f, const struct address_head *addresses)
{
const address_t *addr;
STAILQ_FOREACH (addr, addresses, entries) {
fprintf (f, "%s", inet_ntoa (addr->address));
if (STAILQ_NEXT (addr, entries))
fprintf (f, " ");
}
}
void logGatewayToFile(const interface_t *iface, const dhcp_t *dhcp) {
/*void logGatewayToFile(const interface_t iface, const dhcp_t *dhcp,
const options_t options)*/
//char path[QTSOCKETADDRESSLENGTH];
/*
strcpy(path, DEFAULT_GATEWAY_INFO_LOCATION);
strcat(path, iface.name);
strcpy(iface.infofile, path);
options.test = false;
syslog(LOG_INFO, "[fbgui] try to open file: %s", iface.infofile);
write_info(&iface, dhcp, &options, true);
*/
FILE *f;
route_t *route;
char path[QTSOCKETADDRESSLENGTH];
strcpy(path, DEFAULT_INTERFACE_CONF_LOCATION);
strcat(path, iface->name);
syslog(LOG_INFO, "[fbgui] try to open file: %s", path);
logger(LOG_DEBUG, "writing %s", iface->infofile);
if ((f = fopen(path, "w")) == NULL) {
logger(LOG_ERR, "fopen `%s': %s", path, strerror(errno));
//TODO: exit/return ..
return;
}
if (dhcp->address.s_addr) {
struct in_addr n;
n.s_addr = dhcp->address.s_addr & dhcp->netmask.s_addr;
fprintf(f, "IPADDR='%s'\n", inet_ntoa(dhcp->address));
fprintf(f, "NETMASK='%s'\n", inet_ntoa(dhcp->netmask));
fprintf(f, "NETWORK='%s'\n", inet_ntoa(n));
fprintf(f, "BROADCAST='%s'\n", inet_ntoa(dhcp->broadcast));
}
if (dhcp->routes) {
bool doneone = false;
fprintf(f, "ROUTES='");
STAILQ_FOREACH (route, dhcp->routes, entries) {
if (route->destination.s_addr != 0) {
if (doneone)
fprintf(f, " ");
fprintf(f, "%s", inet_ntoa(route->destination));
fprintf(f, ",%s", inet_ntoa(route->netmask));
fprintf(f, ",%s", inet_ntoa(route->gateway));
doneone = true;
}
}
fprintf(f, "'\n");
doneone = false;
fprintf(f, "GATEWAYS='");
STAILQ_FOREACH (route, dhcp->routes, entries) {
if (route->destination.s_addr == 0) {
if (doneone)
fprintf(f, " ");
fprintf(f, "%s", inet_ntoa(route->gateway));
doneone = true;
}
}
fprintf(f, "'\n");
}
fprintf(f, "HOSTNAME='%s", dhcp->hostname);
fprintf(f, "'\n");
fprintf(f, "DNSSEARCH='%s", dhcp->dnssearch);
fprintf(f, "'\n");
if (dhcp->dnsservers) {
fprintf(f, "DNSSERVERS='");
print_addresses(f, dhcp->dnsservers);
fprintf(f, "'\n");
}
fprintf(f, "INTERFACE='%s", iface->name);
fprintf(f, "'\n");
if (iface->clientid_len > 0) {
fprintf(f, "CLIENTID='%s'\n", hwaddr_ntoa(iface->clientid,
iface->clientid_len));
}
fprintf(f, "DHCPCHADDR='%s'\n", hwaddr_ntoa(iface->hwaddr, iface->hwlen));
fclose(f);
}
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