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Diffstat (limited to 'src/login/login.c')
-rw-r--r--src/login/login.c149
1 files changed, 60 insertions, 89 deletions
diff --git a/src/login/login.c b/src/login/login.c
index f24e16499..4f405449b 100644
--- a/src/login/login.c
+++ b/src/login/login.c
@@ -58,9 +58,16 @@ int new_account_flag = 0;
int bind_ip_set_ = 0;
char bind_ip_str[128];
int login_port = 6900;
-char lan_char_ip[16];
-int subneti[4];
-int subnetmaski[4];
+
+// Advanced subnet check [LuzZza]
+struct _subnet {
+ long subnet;
+ long mask;
+ long char_ip;
+ long map_ip;
+} subnet[16];
+
+int subnet_count = 0;
char account_filename[1024] = "save/account.txt";
char GM_account_filename[1024] = "conf/GM_account.txt";
@@ -2972,34 +2979,44 @@ int parse_admin(int fd) {
//--------------------------------------------
// Test to know if an IP come from LAN or WAN.
+// Rewrote: Adnvanced subnet check [LuzZza]
//--------------------------------------------
-int lan_ip_check(unsigned char *p) {
+int lan_subnetcheck(unsigned char *p) {
+
int i;
- int lancheck = 1;
-
-// printf("lan_ip_check: to compare: %d.%d.%d.%d, network: %d.%d.%d.%d/%d.%d.%d.%d\n",
-// p[0], p[1], p[2], p[3],
-// subneti[0], subneti[1], subneti[2], subneti[3],
-// subnetmaski[0], subnetmaski[1], subnetmaski[2], subnetmaski[3]);
- for(i = 0; i < 4; i++) {
- if ((subneti[i] & subnetmaski[i]) != (p[i] & subnetmaski[i])) {
- lancheck = 0;
- break;
+ char *sbn, *msk;
+
+ for(i=0; i<subnet_count; i++) {
+
+ printf("%ld - %ld - %ld", subnet[i].subnet, subnet[i].mask, (long)p);
+ if((subnet[i].subnet & subnet[i].mask) == ((long)p & subnet[i].mask)) {
+
+ sbn = (char *)&subnet[i].subnet;
+ msk = (char *)&subnet[i].mask;
+
+ ShowMessage("Subnet check result: "CL_CYAN"%d.%d.%d.%d/%d.%d.%d.%d"CL_RESET"\n",
+ sbn[0], sbn[1], sbn[2], sbn[3], msk[0], msk[1], msk[2], msk[3]);
+
+ return subnet[i].char_ip;
}
}
- ShowMessage("LAN test (result): "CL_CYAN"%s source"CL_RESET".\n", (lancheck) ? "LAN" : "WAN");
- return lancheck;
+
+ ShowMessage("Subnet check result: "CL_CYAN"no matches."CL_RESET"\n");
+ return 0;
}
//----------------------------------------------------------------------------------------
// Default packet parsing (normal players or administation/char-server connexion requests)
//----------------------------------------------------------------------------------------
int parse_login(int fd) {
+
struct mmo_account account;
int result, j;
unsigned int i;
unsigned char *p = (unsigned char *) &session[fd]->client_addr.sin_addr;
char ip[16];
+ long subnet_char_ip;
+
RFIFOHEAD(fd);
sprintf(ip, "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
@@ -3089,11 +3106,12 @@ int parse_login(int fd) {
else
ShowInfo("Connection of the account '%s' accepted.\n", account.userid);
server_num = 0;
- WFIFOHEAD(fd, 47+32*MAX_SERVERS);
+ WFIFOHEAD(fd, 47+32*MAX_SERVERS);
for(i = 0; i < MAX_SERVERS; i++) {
if (server_fd[i] >= 0) {
- if (lan_ip_check(p))
- WFIFOL(fd,47+server_num*32) = inet_addr(lan_char_ip);
+ // Andvanced subnet check [LuzZza]
+ if((subnet_char_ip = lan_subnetcheck(p)))
+ WFIFOL(fd,47+server_num*32) = subnet_char_ip;
else
WFIFOL(fd,47+server_num*32) = server[i].ip;
WFIFOW(fd,47+server_num*32+4) = server[i].port;
@@ -3443,25 +3461,14 @@ int config_switch(const char *str) {
//----------------------------------
// Reading Lan Support configuration
+// Rewrote: Anvanced subnet check [LuzZza]
//----------------------------------
int login_lan_config_read(const char *lancfgName) {
- int j;
- struct hostent * h = NULL;
- char line[1024], w1[1024], w2[1024];
- FILE *fp;
- // set default configuration
- strncpy(lan_char_ip, "127.0.0.1", sizeof(lan_char_ip));
- subneti[0] = 127;
- subneti[1] = 0;
- subneti[2] = 0;
- subneti[3] = 1;
- for(j = 0; j < 4; j++)
- subnetmaski[j] = 255;
-
- fp = fopen(lancfgName, "r");
+ FILE *fp;
+ char line[1024], w1[64], w2[64], w3[64], w4[64], w5[64];
- if (fp == NULL) {
+ if((fp = fopen(lancfgName, "r")) == NULL) {
ShowWarning("LAN Support configuration file is not found: %s\n", lancfgName);
return 1;
}
@@ -3469,73 +3476,37 @@ int login_lan_config_read(const char *lancfgName) {
ShowInfo("Reading the configuration file %s...\n", lancfgName);
while(fgets(line, sizeof(line)-1, fp)) {
+
if (line[0] == '/' && line[1] == '/')
continue;
line[sizeof(line)-1] = '\0';
- memset(w2, 0, sizeof(w2));
- if (sscanf(line,"%[^:]: %[^\r\n]", w1, w2) != 2)
+ if(sscanf(line,"%[^:]: %[^/]/%[^:]:%[^:]:%[^\r\n]", w1, w2, w3, w4, w5) != 5) {
+
+ ShowWarning("Error syntax of configuration file %s. Line skipped.\n", lancfgName);
continue;
+ }
remove_control_chars((unsigned char *)w1);
remove_control_chars((unsigned char *)w2);
- if (strcmpi(w1, "lan_char_ip") == 0) { // Read Char-Server Lan IP Address
- memset(lan_char_ip, 0, sizeof(lan_char_ip));
- h = gethostbyname(w2);
- if (h != NULL) {
- sprintf(lan_char_ip, "%d.%d.%d.%d", (unsigned char)h->h_addr[0], (unsigned char)h->h_addr[1], (unsigned char)h->h_addr[2], (unsigned char)h->h_addr[3]);
- } else {
- strncpy(lan_char_ip, w2, sizeof(lan_char_ip));
- lan_char_ip[sizeof(lan_char_ip)-1] = '\0';
- }
- ShowStatus("LAN IP of char-server: %s.\n", lan_char_ip);
- } else if (strcmpi(w1, "subnet") == 0) { // Read Subnetwork
- for(j = 0; j < 4; j++)
- subneti[j] = 0;
- h = gethostbyname(w2);
- if (h != NULL) {
- for(j = 0; j < 4; j++)
- subneti[j] = (unsigned char)h->h_addr[j];
- } else {
- sscanf(w2, "%d.%d.%d.%d", &subneti[0], &subneti[1], &subneti[2], &subneti[3]);
- }
- ShowStatus("Sub-network of the char-server: %d.%d.%d.%d.\n", subneti[0], subneti[1], subneti[2], subneti[3]);
- } else if (strcmpi(w1, "subnetmask") == 0) { // Read Subnetwork Mask
- for(j = 0; j < 4; j++)
- subnetmaski[j] = 255;
- h = gethostbyname(w2);
- if (h != NULL) {
- for(j = 0; j < 4; j++)
- subnetmaski[j] = (unsigned char)h->h_addr[j];
- } else {
- sscanf(w2, "%d.%d.%d.%d", &subnetmaski[0], &subnetmaski[1], &subnetmaski[2], &subnetmaski[3]);
- }
- ShowStatus("Sub-network mask of the char-server: %d.%d.%d.%d.\n", subnetmaski[0], subnetmaski[1], subnetmaski[2], subnetmaski[3]);
- }
- }
- fclose(fp);
+ remove_control_chars((unsigned char *)w3);
+ remove_control_chars((unsigned char *)w4);
+ remove_control_chars((unsigned char *)w5);
- // log the LAN configuration
- login_log("The LAN configuration of the server is set:" RETCODE);
- login_log("- with LAN IP of char-server: %s." RETCODE, lan_char_ip);
- login_log("- with the sub-network of the char-server: %d.%d.%d.%d/%d.%d.%d.%d." RETCODE,
- subneti[0], subneti[1], subneti[2], subneti[3], subnetmaski[0], subnetmaski[1], subnetmaski[2], subnetmaski[3]);
-
- // sub-network check of the char-server
- {
- unsigned int a0, a1, a2, a3;
- unsigned char p[4];
- sscanf(lan_char_ip, "%d.%d.%d.%d", &a0, &a1, &a2, &a3);
- p[0] = a0; p[1] = a1; p[2] = a2; p[3] = a3;
- ShowInfo("LAN test of LAN IP of the char-server: ");
- if (lan_ip_check(p) == 0) {
- ShowError(CL_RED" LAN IP of the char-server doesn't belong to the specified Sub-network"CL_RESET"\n");
- login_log("***ERROR: LAN IP of the char-server doesn't belong to the specified Sub-network." RETCODE);
+ if(strcmpi(w1, "subnet") == 0) {
+
+ subnet[subnet_count].subnet = inet_addr(w2);
+ subnet[subnet_count].mask = inet_addr(w3);
+ subnet[subnet_count].char_ip = inet_addr(w4);
+ subnet[subnet_count].map_ip = inet_addr(w5);
+
+ subnet_count++;
}
- }
- ShowInfo("Finished reading %s.\n", lancfgName);
+ ShowStatus("Information about %d subnetworks readen.\n", subnet_count);
+ }
+ fclose(fp);
return 0;
}
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