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dxrfd.cpp
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/* by KI4LKF */
#include <stdio.h>
#include <fcntl.h>
#include <string.h>
#include <ctype.h>
#include <stdlib.h>
#include <stdarg.h>
#include <signal.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <netinet/in.h>
#include <netdb.h>
#include <time.h>
#include <regex.h>
static regex_t preg;
#include <unistd.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <arpa/inet.h>
/* Required for Binary search trees using C++ STL */
#include <string>
#include <map>
#include <set>
#include <utility>
using namespace std;
#include <pthread.h>
#define VERSION "3.17"
#define OWNER_SIZE 8
#define IP_SIZE 15
#define MAXHOSTNAMELEN 64
#define CALL_SIZE 8
// R3ABM patch begin
#include <syslog.h>
// R3ABM patch end
/*
Timeout is 30 seconds.
If after 30 seconds, we have not received the KEEPALIVE,
we drop that station
*/
static short TIMEOUT = 60;
static char STATUS_FILE[FILENAME_MAX + 1];
/* configuration data */
/* Put that in a structure, later */
static char OWNER[OWNER_SIZE + 1];
static char ADMIN[CALL_SIZE + 1];
static char LISTEN_IP[IP_SIZE + 1];
static int LISTEN_PORT = 30001;
static int COMMAND_PORT = 30002;
/* max number of XRF repeaters */
static unsigned int MAX_USERS = 10;
/* max number of dvap/dvtool dongles */
static unsigned int MAX_OTHER_USERS=10;
static bool QSO_DETAILS = false;
static char USERS[FILENAME_MAX + 1];
static char BLOCKS[FILENAME_MAX + 1];
// Input from XRF repeaters
static int srv_sock = -1;
// Input from admin commands
static int cmd_sock = -1;
// Input from dvap, dvtool dongles
static int ref_sock = -1;
/* ACK back to dvap, dvtool users */
static unsigned char REF_ACK[3] = { 3, 96, 0 };
/*** for replying with DASHBOARD information ***/
#define LH_MAX_SIZE 39
typedef map<string, string> dt_lh_type;
static dt_lh_type dt_lh_list;
/* inbound dongles(dvap, dvtool, ...) on port 20001 */
struct inbound
{
/* the callsign of the remote */
char call[CALL_SIZE + 1];
/* if true, packets from this call are dropped */
bool isMute;
time_t connect_time;
/* IP and port of remote */
struct sockaddr_in sin;
/* if countdown expires, the connection is terminated */
short countdown;
/* This user talked on this module */
char mod; /* A B C D E*/
bool is_ref;
char links[5];
/*
The index is the local module: 0=A, 1=B, 2=C, 3=D, 4=E
The value is the remote module
Example: links[1] = 'C'
That means that our local module B is linked to remote module C
The remote system is identified by inbound->call
*/
/* the serial number of the dongle */
char serial[9];
};
/* the Key in this inbound_list map is the unique IP-port address of the remote, example: x.x.x.x-20001 */
typedef map<string, inbound *> inbound_type;
static inbound_type inbound_list;
/*
Just before we send data to dvtool/dvap users,
we save the header here, for re-transmit later
*/
static struct
{
uint32_t s_addr;
unsigned char hdr[58];
} temp_r[5];
/* inbound repeaters on port 30001 */
struct a_user
{
/* callsign of the connected repeater */
char call[CALL_SIZE + 1];
/* if true, packets from this call are dropped */
bool isMute;
/* is this another XRF reflector */
bool is_xrf;
time_t connect_time;
/* The first index identifies the local reflector module
index 0 identifies reflector module A
index 1 identifies reflector module B
index 2 identifies reflector module C
index 3 identifies reflector module D
index 4 identifies reflector module E
The second index identifies the remote repeater band.
from 0 to 3
which is from A...D
Example:
rpt_mods[1][2] = 'C'
rpt_mods[1][3] = 'D'
Explanation:
Reflector module B is linked to repeater module C
Reflector module B is linked to repeater module D
This means that the remote repeater
has linked both repeater bands C and D to our reflector module B
*/
char rpt_mods[5][4];
/* time link was established */
time_t link_time[5][4];
/* IP address and UDP port of connected station */
/* For easy access to the connected station */
struct sockaddr_in sin;
/* if countdown expires, the connection is terminated */
short countdown;
/* This user talked on this module */
char mod; /* A B C D E */
// OE2AIP patch begin
bool up4dar;
// OE2AIP patch en
};
/* The BST/map of connected users */
/* The KEY is the unique IP address string of ip[IP_SIZE + 1] */
/* The data is a pointer to struct a_user */
typedef map<string, struct a_user *> a_user_list_type;
static a_user_list_type a_user_list;
/*
Just before we send the data to XRF repeaters
we save the header here for re-transmit later
*/
static struct
{
uint32_t s_addr;
unsigned char hdr[56];
unsigned char old_sid[2];
} temp_x[5];
/* the map of which reflectors we can link to */
typedef map<string,string> call_ip_type;
static call_ip_type call_ip_map;
/*
The BST/set of blocked callsigns.
The KEY is the unique blocked callsign.
There is no data in the set.
Blocked callsigns added by the administrator of the reflector.
*/
typedef set<string> blocks_type;
static blocks_type blocks;
/* socket descriptor set */
static fd_set fdset;
/* 20 ms delay */
static struct timeval tv;
static time_t tNow = 0;
/* timing for XRF users */
static time_t HBinterStart = 0;
/* timing for dvtool/dvap users */
static time_t inboundStart = 0;
/* Variables used by more than one function */
static const short READBUFFER_SIZE = 1024;
static unsigned char readBuffer[READBUFFER_SIZE];
static struct sockaddr_in fromUser;
static struct sockaddr_in fromCmd;
/* dvap, dvtool input buffer */
static unsigned char refbuf[READBUFFER_SIZE];
static struct sockaddr_in fromInbound;
/* log file for tracing data */
// R3ABM Patch
//static FILE *logfp = NULL;
/* status file */
static FILE *statusfp = NULL;
/*** rcd data ***/
static pthread_t playback_thread;
pthread_attr_t attr;
/* 30 users recording at the same time */
static const unsigned short int MAX_RCD_USERS = 30;
/* each user can record 750 packets = 15 seconds of recorded audio */
static const unsigned short int MAX_RCD_DATA = 750;
struct rcd
{
bool locked;
time_t ts;
struct sockaddr_in sin;
short int recvlen;
unsigned short idx; /*** index into data ***/
unsigned char data[MAX_RCD_DATA][58]; /*** 10 seconds ***/
};
/* key is streamid */
typedef map<string, struct rcd *> rcd_list_type;
static rcd_list_type rcd_list;
static struct rcd *an_rcd;
static rcd_list_type::iterator rcd_pos;
static pair<rcd_list_type::iterator,bool> rcd_insert_pair;
static char an_rcd_streamid[32];
static time_t check_rcd_time = 0;
static bool keep_running = true;
static u_int16_t streamid_raw = 0;
/* The reflector uses these functions only */
static void check_heartbeat();
static void print_users();
static void print_version();
static void mute_users(bool mute);
static bool mute_call(char *call, bool mute);
static void print_blocks();
static void print_links_file();
static void print_links_screen();
static bool get_ip(char *call, char *ip);
static void handle_cmd(char *buf);
static void runit();
// R3ABM Patch
void traceit(const char *fmt,...);
//static void traceit(const char *fmt,...);
static int read_config(char *);
static int srv_open();
static int cmd_open();
static void sigCatch(int signum);
static int open_users(char *filename);
static int open_blocks(char *filename);
static bool resolve_rmt(char *name, int type, struct sockaddr_in *addr);
static void *playback(void *arg);
/* dvap, dongles, ... */
static void send_heartbeat();
static int ref_open();
static int link_to_ref(char *call);
static int link_to_xrf(char local_mod, char *ref, char remote_mod, char *IP);
static bool resolve_rmt(char *name, int type, struct sockaddr_in *addr)
{
struct addrinfo hints;
struct addrinfo *res;
struct addrinfo *rp;
int rc = 0;
bool found = false;
memset(&hints, 0x00, sizeof(struct addrinfo));
hints.ai_family = AF_INET;
hints.ai_socktype = type;
rc = getaddrinfo(name, NULL, &hints, &res);
if (rc != 0)
{
traceit("getaddrinfo return error code %d for [%s]\n", rc, name);
return false;
}
for (rp = res; rp != NULL; rp = rp->ai_next)
{
if ((rp->ai_family == AF_INET) &&
(rp->ai_socktype == type))
{
memcpy(addr, rp->ai_addr, sizeof(struct sockaddr_in));
found = true;
break;
}
}
freeaddrinfo(res);
return found;
}
static int link_to_xrf(char local_mod, char *ref, char remote_mod, char *IP)
{
short counter;
char request[CALL_SIZE + 3];
struct sockaddr_in sin;
a_user_list_type::iterator user_pos;
if (remote_mod == 'X')
remote_mod = ' '; /* unlink request */
else
{
user_pos = a_user_list.find(IP);
if (user_pos != a_user_list.end())
{
/* It already exists */
traceit("Remote reflector [%s] ip=%s already linked, unlink first\n", ref, IP);
return 0;
}
}
/* send the request to the remote XRF reflector */
strcpy(request, OWNER);
request[8] = local_mod;
request[9] = remote_mod;
request[10] = '\0';
memset(&sin,0,sizeof(struct sockaddr_in));
sin.sin_family = AF_INET;
sin.sin_port = htons(LISTEN_PORT);
sin.sin_addr.s_addr = inet_addr(IP);
traceit("Sending request [%s] to reflector %s\n", request, ref);
for (counter = 0; counter < 5; counter++)
sendto(srv_sock, request, CALL_SIZE + 3,
0,(struct sockaddr *)&sin,
sizeof(struct sockaddr_in));
return 0;
}
static int link_to_ref(char *call)
{
char payload[MAXHOSTNAMELEN + 1];
/* IP-port */
char search_value[MAXHOSTNAMELEN + 7];
inbound_type::iterator inbound_pos;
inbound *inbound_ptr;
pair<inbound_type::iterator,bool> inbound_insert_pair;
struct sockaddr_in sin;
unsigned char queryCommand[56];
unsigned short j;
char local_mod = ' ';
char ref[CALL_SIZE + 1];
char remote_mod = ' ';
local_mod = call[0];
if ((local_mod != 'A') && (local_mod != 'B') &&
(local_mod != 'C') && (local_mod != 'D'))
{
traceit("Invalid local module %c for linking\n", local_mod);
return -1;
}
memset(ref, ' ', sizeof(ref));
memcpy(ref, call + 1, 6);
ref[8] = '\0';
/* Is it blocked ? */
if (blocks.find(ref) != blocks.end())
return -1;
if ((memcmp(ref, "REF", 3) != 0) && (memcmp(ref, "XRF", 3) != 0))
{
traceit("XRF or REF only\n");
return -1;
}
if (strcmp(ref, OWNER) == 0)
{
traceit("Can not link to itself\n");
return -1;
}
remote_mod = call[7];
if ((remote_mod != 'A') && (remote_mod != 'B') && (remote_mod != 'C') &&
(remote_mod != 'D') && (remote_mod != 'X'))
{
traceit("Invalid remote module %c\n", remote_mod);
return -1;
}
payload[0] = '\0';
/* get the IP address from database */
if (!get_ip(ref, payload))
return -1;
/* No IP in db? */
if (payload[0] == '\0')
{
traceit("No host or IP address for %s\n", ref);
return -1;
}
if (strcmp(payload, "0.0.0.0") == 0)
{
traceit("Invalid IP in db\n");
return -1;
}
if (memcmp(ref, "XRF", 3) == 0)
{
return link_to_xrf(local_mod, ref, remote_mod, payload);
}
/* Is it already linked? */
sprintf(search_value, "%s-20001", payload);
inbound_pos = inbound_list.find(search_value);
if (inbound_pos != inbound_list.end())
{
inbound_ptr = (inbound *)inbound_pos->second;
if (!inbound_ptr->is_ref)
{
traceit("This connection is not a reflector\n");
return -1;
}
/* update the links */
if (remote_mod == 'X')
remote_mod = ' ';
else
if ((inbound_ptr->links[0] == remote_mod) ||
(inbound_ptr->links[1] == remote_mod) ||
(inbound_ptr->links[2] == remote_mod) ||
(inbound_ptr->links[3] == remote_mod) ||
(inbound_ptr->links[4] == remote_mod))
{
traceit ("Already set or duplicate assignment\n");
return 0;
}
if (local_mod == 'A')
inbound_ptr->links[0] = remote_mod;
else
if (local_mod == 'B')
inbound_ptr->links[1] = remote_mod;
else
if (local_mod == 'C')
inbound_ptr->links[2] = remote_mod;
else
if (local_mod == 'D')
inbound_ptr->links[3] = remote_mod;
else
inbound_ptr->links[4] = remote_mod;
if ((inbound_ptr->links[0] == ' ') &&
(inbound_ptr->links[1] == ' ') &&
(inbound_ptr->links[2] == ' ') &&
(inbound_ptr->links[3] == ' ') &&
(inbound_ptr->links[4] == ' '))
{
/* all links removed, disconnect from remote system */
traceit("All links removed, disconnecting from %s\n", inbound_ptr->call);
refbuf[0] = 5;
refbuf[1] = 0;
refbuf[2] = 24;
refbuf[3] = 0;
refbuf[4] = 0;
sendto(ref_sock,(char *)refbuf,5,0,
(struct sockaddr *)&(inbound_ptr->sin),
sizeof(struct sockaddr_in));
free(inbound_pos->second);
inbound_pos->second = NULL;
inbound_list.erase(inbound_pos);
}
print_links_file();
return 0;
}
if (remote_mod == 'X')
{
traceit("X can not be used, there is no connection to unlink\n");
return -1;
}
if ((inbound_list.size() + 1) > MAX_OTHER_USERS)
{
traceit("Over the MAX_OTHER_USERS limit of %d\n", MAX_OTHER_USERS);
return -1;
}
sin.sin_family = AF_INET;
sin.sin_addr.s_addr = inet_addr(payload);
sin.sin_port = htons(20001);
/* assume that we will be ok */
inbound_ptr = (inbound *)malloc(sizeof(inbound));
if (inbound_ptr)
{
inbound_ptr->countdown = TIMEOUT;
memcpy((char *)&(inbound_ptr->sin),(char *)&sin, sizeof(struct sockaddr_in));
strcpy(inbound_ptr->call, ref);
time(&(inbound_ptr->connect_time));
inbound_ptr->isMute = false;
inbound_ptr->mod = ' ';
inbound_ptr->is_ref = true;
inbound_ptr->links[0] = inbound_ptr->links[1] = inbound_ptr->links[2] = inbound_ptr->links[3] = inbound_ptr->links[4] = ' ';
if (local_mod == 'A')
inbound_ptr->links[0] = remote_mod;
else
if (local_mod == 'B')
inbound_ptr->links[1] = remote_mod;
else
if (local_mod == 'C')
inbound_ptr->links[2] = remote_mod;
else
if (local_mod == 'D')
inbound_ptr->links[3] = remote_mod;
else
inbound_ptr->links[4] = remote_mod;
strcpy(inbound_ptr->serial, "REF ");
inbound_insert_pair = inbound_list.insert(pair<string, inbound *>(search_value, inbound_ptr));
if (inbound_insert_pair.second)
{
traceit("new CALL=%s,REPEATER,ip=%s, users=%d\n",
inbound_ptr->call,search_value,inbound_list.size() + a_user_list.size());
/* request to connect */
queryCommand[0] = 5;
queryCommand[1] = 0;
queryCommand[2] = 24;
queryCommand[3] = 0;
queryCommand[4] = 1;
for (j = 0; j < 2; j++)
sendto(ref_sock,(char *)queryCommand,5,0,
(struct sockaddr *)&(inbound_ptr->sin),
sizeof(struct sockaddr_in));
print_links_file();
}
else
{
traceit("failed to add CALL=%s,ip=%s\n",inbound_ptr->call,search_value);
free(inbound_ptr);
inbound_ptr = NULL;
return -1;
}
}
else
{
traceit("malloc() failed for call=%s,ip=%s\n",ref,search_value);
return -1;
}
return 0;
}
/* send keepalive to dvap, dongles, ... */
static void send_heartbeat()
{
inbound_type::iterator pos;
inbound_type::iterator temp_pos = inbound_list.end();
inbound *inbound_ptr;
blocks_type::iterator block_pos;
char dropped = ' ';
for (pos = inbound_list.begin(); pos != inbound_list.end(); pos++)
{
inbound_ptr = (inbound *)pos->second;
block_pos = blocks.find(inbound_ptr->call);
if (block_pos == blocks.end()) /* not blocked */
{
sendto(ref_sock,(char *)REF_ACK,3,0,
(struct sockaddr *)&(inbound_ptr->sin),
sizeof(struct sockaddr_in));
if (inbound_ptr->countdown >= 0)
inbound_ptr->countdown --;
if (inbound_ptr->countdown < 0)
{
dropped = 't'; // timeout
temp_pos = pos;
}
}
else
{
dropped = 'b'; // blocked
temp_pos = pos;
}
}
if (temp_pos != inbound_list.end())
{
inbound_ptr = (inbound *)temp_pos->second;
traceit("call=%s %s, removing %s\n",
inbound_ptr->call,
(dropped == 't')?"timeout":"blocked",
temp_pos->first.c_str());
if (dropped == 'b')
{
/* disconnect */
refbuf[0] = 5;
refbuf[1] = 0;
refbuf[2] = 24;
refbuf[3] = 0;
refbuf[4] = 0;
sendto(ref_sock,(char *)refbuf,5,0,
(struct sockaddr *)&(inbound_ptr->sin),
sizeof(struct sockaddr_in));
}
free(temp_pos->second);
temp_pos->second = NULL;
inbound_list.erase(temp_pos);
print_links_file();
}
}
static int open_blocks(char *filename)
{
FILE *fp = NULL;
char inbuf[512];
char *p = NULL;
blocks_type::iterator pos;
short int i;
char *call_ptr;
char call[9];
const char *delim = " \t";
fp = fopen(filename, "r");
if (!fp)
{
traceit("Failed to open file %s\n", filename);
return 1;
}
blocks.clear();
traceit("Reading from file: [%s]\n", filename);
while (fgets(inbuf, 511, fp) != NULL)
{
inbuf[511] = '\0';
p = strchr(inbuf, '\r');
if (p)
*p = '\0';
p = strchr(inbuf, '\n');
if (p)
*p = '\0';
call_ptr = strtok(inbuf, delim);
if (call_ptr)
{
if (strlen(call_ptr) <= 8)
{
memset(call, ' ', 9); call[8] = '\0';
memcpy(call, call_ptr, strlen(call_ptr));
for (i = 0; i < CALL_SIZE; i++)
{
if (call[i] == '_')
call[i] = ' ';
}
blocks.insert(call);
}
}
}
fclose(fp);
traceit("BEGIN listing blocked callsigns...%d calls blocked\n", blocks.size());
for (pos = blocks.begin(); pos != blocks.end(); pos++)
traceit("--->[%s]\n", pos->c_str());
traceit("END listing blocked callsigns\n");
return 0;
}
static int open_users(char *filename)
{
FILE *fp = NULL;
char inbuf[512];
char *p = NULL;
char *gwy_ptr;
char gwy[9];
char *host_ptr;
const char *delim = " \t";
call_ip_type::iterator pos;
fp = fopen(filename, "r");
if (!fp)
{
traceit("Failed to open file %s\n", filename);
return 1;
}
call_ip_map.clear();
traceit("Reading from file: [%s]\n", filename);
while (fgets(inbuf, 511, fp) != NULL)
{
inbuf[511] = '\0';
p = strchr(inbuf, '\r');
if (p)
*p = '\0';
p = strchr(inbuf, '\n');
if (p)
*p = '\0';
gwy_ptr = strtok(inbuf, delim);
host_ptr = strtok(NULL, delim);
if (gwy_ptr && host_ptr)
{
if (strlen(gwy_ptr) <= 8)
{
memset(gwy, ' ', 9); gwy[8] = '\0';
memcpy(gwy, gwy_ptr, strlen(gwy_ptr));
call_ip_map[gwy] = host_ptr;
}
}
}
fclose(fp);
for (pos = call_ip_map.begin(); pos != call_ip_map.end(); pos++)
traceit("[%s],[%s]\n", pos->first.c_str(), pos->second.c_str());
traceit("Loaded %d entries\n", call_ip_map.size());
return 0;
}
/* trace data to the log */
// Begin of R3ABM patch
void traceit(const char *format,...)
{
va_list arguments;
va_start(arguments,format);
vsyslog(LOG_INFO, format, arguments);
va_end(arguments);
}
/*
static void traceit(const char *fmt,...)
{
time_t ltime;
struct tm tm;
const short BFSZ = 512;
char buf[BFSZ];
time(<ime);
localtime_r(<ime,&tm);
snprintf(buf,BFSZ - 1,"%02d%02d%02d at %02d:%02d:%02d:",
tm.tm_mon+1,tm.tm_mday,tm.tm_year % 100,
tm.tm_hour,tm.tm_min,tm.tm_sec);
va_list args;
va_start(args,fmt);
vsnprintf(buf + strlen(buf), BFSZ - strlen(buf) -1, fmt, args);
va_end(args);
fprintf(logfp, "%s",buf);
return;
}
*/
// End of R3ABM patch
/* Search for that host */
static bool get_ip(char *call, char *ip)
{
bool ok = false;
call_ip_type::iterator pos;
struct sockaddr_in a_net_addr;
pos = call_ip_map.find(call);
if (pos == call_ip_map.end())
{
traceit("Callsign [%s] not found in database\n", call);
return false; // not found
}
ok = resolve_rmt((char *)pos->second.c_str(), SOCK_DGRAM, &(a_net_addr));
if (!ok)
{
traceit("Failed to resolve [%s] for callsign [%s]\n",
pos->second.c_str(), call);
return false;
}
if (ip)
strcpy(ip, inet_ntoa(a_net_addr.sin_addr));
return true;
}
/* Process the configuration file */
static int read_config(char *cfgFile)
{
short int valid_params = 11;
short int params = 0;
FILE *cnf = NULL;
char inbuf[1024];
char *p;
char *ptr = NULL;
unsigned short int i;
unsigned short int j;
cnf = fopen(cfgFile, "r");
if (!cnf)
{
traceit("Failed to open file %s\n", cfgFile);
return 1;
}
traceit("Reading file %s\n", cfgFile);
while (fgets(inbuf, 1020, cnf) != NULL)
{
if (strchr(inbuf, '#'))
continue;
p = strchr(inbuf, '\r');
if (p)
*p = '\0';
p = strchr(inbuf, '\n');
if (p)
*p = '\0';
p = strchr(inbuf, '=');
if (!p)
continue;
*p = '\0';
if (strcmp(inbuf,"OWNER") == 0)
{
memset(OWNER,' ', sizeof(OWNER));
OWNER[OWNER_SIZE] = '\0';
ptr = strchr(p + 1, ' ');
if (ptr)
*ptr = '\0';
if (strlen(p + 1) != OWNER_SIZE - 2)
traceit("OWNER value %s invalid, length must be exactly %d\n",
p + 1, OWNER_SIZE - 2);
else
{
memcpy(OWNER, p + 1, OWNER_SIZE - 2);
for (i = 0; i < strlen(OWNER); i++)
OWNER[i] = toupper(OWNER[i]);
if ((memcmp(OWNER, "XRF", 3) != 0) ||
!isdigit(OWNER[3]) ||
!isdigit(OWNER[4]) ||
!isdigit(OWNER[5]))
traceit("Reflector names must be XRFzzz where zzz are digits from 1 thru 9\n");
else
{
traceit("OWNER=%s\n",OWNER);
params ++;
}
}
}
else
if (strcmp(inbuf,"ADMIN") == 0)
{
memset(ADMIN,' ', sizeof(ADMIN));
ADMIN[CALL_SIZE] = '\0';
/* no spaces after the equal sign */
if (p[1] == ' ')
traceit("ADMIN: no spaces after the equal sign\n");
else
{
/* take up to 8 characters, throw away the rest */
p[CALL_SIZE + 1] = '\0';
/* valid length? */
if ((strlen(p + 1) < 3) || (strlen(p + 1) > CALL_SIZE))
traceit("ADMIN value [%s] invalid\n", p + 1);
else
{
memcpy(ADMIN, p + 1, strlen(p + 1));
/* uppercase it */
for (j = 0; j < CALL_SIZE; j++)
ADMIN[j] = toupper(ADMIN[j]);
traceit("ADMIN=[%s]\n",ADMIN);
params ++;
}
}
}
else
if (strcmp(inbuf,"LISTEN_IP") == 0)
{
ptr = strchr(p + 1, ' ');
if (ptr)
*ptr = '\0';
if (strlen(p + 1) < 1)
traceit("LISTEN_IP value %s invalid\n", p + 1);
else
{
memset(LISTEN_IP, '\0', sizeof(LISTEN_IP));
strncpy(LISTEN_IP, p + 1, IP_SIZE);
traceit("LISTEN_IP=%s\n",LISTEN_IP);
params ++;
}
}
else
if (strcmp(inbuf,"LISTEN_PORT") == 0)
{
LISTEN_PORT = atoi(p + 1);
traceit("LISTEN_PORT=%d\n",LISTEN_PORT);
params ++;
}
else
if (strcmp(inbuf,"COMMAND_PORT") == 0)
{
COMMAND_PORT = atoi(p + 1);
traceit("COMMAND_PORT=%d\n",COMMAND_PORT);
params ++;
}
else
if (strcmp(inbuf,"MAX_USERS") == 0)
{
MAX_USERS = atoi(p + 1);
traceit("MAX_USERS=%d\n",MAX_USERS);
params ++;
}
else
if (strcmp(inbuf,"MAX_OTHER_USERS") == 0)
{
MAX_OTHER_USERS = atoi(p + 1);
traceit("MAX_OTHER_USERS=%d\n",MAX_OTHER_USERS);
params ++;
}
else