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Diffstat (limited to 'src/char/char.c')
-rw-r--r--src/char/char.c169
1 files changed, 76 insertions, 93 deletions
diff --git a/src/char/char.c b/src/char/char.c
index 1cedc568c..d1c145077 100644
--- a/src/char/char.c
+++ b/src/char/char.c
@@ -75,10 +75,17 @@ char backup_txt_flag = 0; // The backup_txt file was created because char deleti
char unknown_char_name[1024] = "Unknown";
char char_log_filename[1024] = "log/char.log";
char db_path[1024]="db";
-//Added for lan support
-char lan_map_ip[128];
-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;
+
int name_ignoring_case = 0; // Allow or not identical name for characters but with a different case by [Yor]
int char_name_option = 0; // Option to know which letters/symbols are authorised in the name of a character (0: all, 1: only those in char_name_letters, 2: all EXCEPT those in char_name_letters) by [Yor]
//The following are characters that are trimmed regardless because they cause confusion and problems on the servers. [Skotlex]
@@ -3003,34 +3010,43 @@ static int char_mapif_init(int fd) {
return inter_mapif_init(fd);
}
-//-----------------------------------------------------
-// Test to know if an IP come from LAN or WAN. by [Yor]
-//-----------------------------------------------------
-int lan_ip_check(unsigned char *p){
+//--------------------------------------------
+// Test to know if an IP come from LAN or WAN.
+// Rewrote: Adnvanced subnet check [LuzZza]
+//--------------------------------------------
+int lan_subnetcheck(long *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;
+ unsigned char *sbn, *msk;
+
+ for(i=0; i<subnet_count; i++) {
+
+ if((subnet[i].subnet & subnet[i].mask) == (*p & subnet[i].mask)) {
+
+ sbn = (unsigned char *)&subnet[i].subnet;
+ msk = (unsigned char *)&subnet[i].mask;
+
+ ShowStatus("Subnet check result: "CL_CYAN"%u.%u.%u.%u/%u.%u.%u.%u"CL_RESET"\n",
+ sbn[0], sbn[1], sbn[2], sbn[3], msk[0], msk[1], msk[2], msk[3]);
+
+ return subnet[i].map_ip;
}
}
- ShowInfo("LAN test (result): %s source"CL_RESET".\n", (lancheck) ? CL_CYAN"LAN" : CL_GREEN"WAN");
- return lancheck;
+
+ ShowStatus("Subnet check result: "CL_CYAN"no matches."CL_RESET"\n");
+ return 0;
}
int parse_char(int fd) {
+
int i, ch;
unsigned short cmd;
char email[40];
int map_fd;
struct char_session_data *sd;
unsigned char *p = (unsigned char *) &session[fd]->client_addr.sin_addr;
+ long subnet_map_ip;
+
RFIFOHEAD(fd);
sd = (struct char_session_data*)session[fd]->session_data;
@@ -3271,10 +3287,13 @@ int parse_char(int fd) {
WFIFOL(fd,2) = cd->char_id;
memcpy(WFIFOP(fd,6), mapindex_id2name(cd->last_point.map), MAP_NAME_LENGTH);
ShowInfo("Character selection '%s' (account: %d, slot: %d).\n", cd->name, sd->account_id, ch);
- if (lan_ip_check(p))
- WFIFOL(fd, 22) = inet_addr(lan_map_ip);
+
+ // Andvanced subnet check [LuzZza]
+ if((subnet_map_ip = lan_subnetcheck((long *)p)))
+ WFIFOL(fd,22) = subnet_map_ip;
else
- WFIFOL(fd, 22) = server[i].ip;
+ WFIFOL(fd,22) = server[i].ip;
+
WFIFOW(fd,26) = server[i].port;
WFIFOSET(fd,28);
if (auth_fifo_pos >= AUTH_FIFO_SIZE)
@@ -3760,92 +3779,56 @@ int config_switch(const char *str) {
return atoi(str);
}
-//-------------------------------------------
-// Reading Lan Support configuration by [Yor]
-//-------------------------------------------
-int 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_map_ip, "127.0.0.1", sizeof(lan_map_ip));
- subneti[0] = 127;
- subneti[1] = 0;
- subneti[2] = 0;
- subneti[3] = 1;
- for(j = 0; j < 4; j++)
- subnetmaski[j] = 255;
+//----------------------------------
+// Reading Lan Support configuration
+// Rewrote: Anvanced subnet check [LuzZza]
+//----------------------------------
+int char_lan_config_read(const char *lancfgName) {
- fp = fopen(lancfgName, "r");
-
- if (fp == NULL) {
- ShowError("LAN support configuration file not found: %s\n", lancfgName);
+ FILE *fp;
+ int line_num = 0;
+ char line[1024], w1[64], w2[64], w3[64], w4[64], w5[64];
+
+ if((fp = fopen(lancfgName, "r")) == NULL) {
+ ShowWarning("LAN Support configuration file is not found: %s\n", lancfgName);
return 1;
}
- ShowInfo("reading configuration file %s...\n", lancfgName);
+ ShowInfo("Reading the configuration file %s...\n", lancfgName);
while(fgets(line, sizeof(line)-1, fp)) {
- if (line[0] == '/' && line[1] == '/')
+
+ line_num++;
+ if ((line[0] == '/' && line[1] == '/') || line[0] == '\n' || line[1] == '\n')
continue;
line[sizeof(line)-1] = '\0';
- 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 in line %d.\n", lancfgName, line_num);
continue;
+ }
remove_control_chars((unsigned char *)w1);
remove_control_chars((unsigned char *)w2);
- if (strcmpi(w1, "lan_map_ip") == 0) { // Read map-server Lan IP Address
- h = gethostbyname(w2);
- if (h != NULL) {
- sprintf(lan_map_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_map_ip, w2, sizeof(lan_map_ip));
- lan_map_ip[sizeof(lan_map_ip)-1] = 0;
- }
- ShowStatus("LAN IP of map-server: %s.\n", lan_map_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 map-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 map-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);
- // sub-network check of the map-server
- {
- unsigned int a0, a1, a2, a3;
- unsigned char p[4];
- sscanf(lan_map_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 map-server...\n");
- if (lan_ip_check(p) == 0) {
- ShowError(CL_RED" LAN IP of the map-server doesn't belong to the specified Sub-network."CL_RESET"\n");
+ 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("done reading %s.\n", lancfgName);
+ ShowStatus("Information about %d subnetworks readen.\n", subnet_count);
+ }
+ fclose(fp);
return 0;
}
@@ -4083,7 +4066,7 @@ int do_init(int argc, char **argv) {
mapindex_init(); //Needed here for the start-point reading.
start_point.map = mapindex_name2id("new_1-1.gat");
char_config_read((argc < 2) ? CHAR_CONF_NAME : argv[1]);
- lan_config_read((argc > 1) ? argv[1] : LOGIN_LAN_CONF_NAME);
+ char_lan_config_read((argc > 1) ? argv[1] : LOGIN_LAN_CONF_NAME);
if (strcmp(userid, "s1")==0 && strcmp(passwd, "p1")==0) {
ShowError("Using the default user/password s1/p1 is NOT RECOMMENDED.\n");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 07:02:02 +0000