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Use curl to retrieve your own IP address properly

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This commit is contained in:
Sally Coolatta 2020-08-17 00:29:52 -04:00
parent 47f95e22d5
commit d709e9782d
2 changed files with 124 additions and 28 deletions
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22
src/dehacked.c
View file

@ -925,6 +925,18 @@ static void readlevelheader(MYFILE *f, INT32 num)
sizeof(mapheaderinfo[num-1]->subttl), va("Level header %d: subtitle", num));
continue;
}
else if (fastcmp(word, "LEVELNAME"))
{
deh_strlcpy(mapheaderinfo[num-1]->lvlttl, word2,
sizeof(mapheaderinfo[num-1]->lvlttl), va("Level header %d: levelname", num));
continue;
}
else if (fastcmp(word, "ZONETITLE"))
{
deh_strlcpy(mapheaderinfo[num-1]->zonttl, word2,
sizeof(mapheaderinfo[num-1]->zonttl), va("Level header %d: zonetitle", num));
continue;
}
// Lua custom options also go above, contents may be case sensitive.
if (fastncmp(word, "LUA.", 4))
@ -968,16 +980,6 @@ static void readlevelheader(MYFILE *f, INT32 num)
#endif
continue;
}
else if (fastcmp(word, "LEVELNAME"))
{
deh_strlcpy(mapheaderinfo[num-1]->lvlttl, word2,
sizeof(mapheaderinfo[num-1]->lvlttl), va("Level header %d: levelname", num));
}
else if (fastcmp(word, "ZONETITLE"))
{
deh_strlcpy(mapheaderinfo[num-1]->zonttl, word2,
sizeof(mapheaderinfo[num-1]->zonttl), va("Level header %d: zonetitle", num));
}
// Now go to uppercase
strupr(word2);

130
src/discord.c
View file

@ -12,6 +12,10 @@
#ifdef HAVE_DISCORDRPC
#ifdef HAVE_CURL
#include <curl/curl.h>
#endif
#include "i_system.h"
#include "d_clisrv.h"
#include "d_netcmd.h"
@ -69,6 +73,101 @@ void DRPC_Init(void)
DRPC_UpdatePresence();
}
#ifdef HAVE_CURL
#define IP_SIZE 16
static char self_ip[IP_SIZE];
struct SelfIPbuffer
{
CURL *curl;
char *pointer;
size_t length;
};
static size_t DRPC_WriteServerIP(char *s, size_t size, size_t n, void *userdata )
{
struct SelfIPbuffer *buffer;
size_t newlength;
buffer = userdata;
newlength = buffer->length + size*n;
buffer->pointer = realloc(buffer->pointer, newlength+1);
memcpy(buffer->pointer + buffer->length, s, size*n);
buffer->pointer[newlength] = '\0';
buffer->length = newlength;
return size*n;
}
#endif
//
// DRPC_GetServerIP: Gets the server's IP address, used to
//
static const char *DRPC_GetServerIP(void)
{
const char *address;
// If you're connected
if (I_GetNodeAddress && (address = I_GetNodeAddress(servernode)) != NULL)
{
if (strcmp(address, "self"))
return address; // We're not the server, so we could successfully get the IP! No problem here :)
}
#ifdef HAVE_CURL
// This is a little bit goofy, but
// there's practically no good way to get your own public IP address,
// so we've gotta break out curl for this :V
if (!self_ip[0])
{
CURL *curl;
curl_global_init(CURL_GLOBAL_ALL);
curl = curl_easy_init();
if (curl)
{
const char *api = "http://ip4only.me/api/"; // API to get your public IP address from
struct SelfIPbuffer buffer;
CURLcode success;
buffer.length = 0;
buffer.pointer = malloc(buffer.length+1);
buffer.pointer[0] = '\0';
curl_easy_setopt(curl, CURLOPT_URL, api);
curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, DRPC_WriteServerIP);
curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
success = curl_easy_perform(curl);
if (success == CURLE_OK)
{
char *tmp;
tmp = strtok(buffer.pointer, ",");
if (!strcmp(tmp, "IPv4")) // ensure correct type of IP
{
tmp = strtok(NULL, ",");
strncpy(self_ip, tmp, IP_SIZE); // Yay, we have the IP :)
}
}
free(buffer.pointer);
curl_easy_cleanup(curl);
}
}
if (self_ip[0])
return self_ip;
else
#endif
return NULL; // Could not get your IP for whatever reason, so we cannot do Discord invites
}
//
// DRPC_UpdatePresence: Called whenever anything changes about server info
//
@ -78,36 +177,33 @@ void DRPC_UpdatePresence(void)
char mapname[48];
char charimg[21];
char charname[28];
DiscordRichPresence discordPresence;
memset(&discordPresence, 0, sizeof(discordPresence));
// Server info
if (netgame)
{
const char *address;
const char *join;
switch (ms_RoomId)
{
case -1: discordPresence.state = "Private"; break; // Private server
case 33: discordPresence.state = "Standard"; break;
case 28: discordPresence.state = "Casual"; break;
default: discordPresence.state = "???"; break; // HOW
case 38: discordPresence.state = "Custom Gametypes"; break;
//case ??: discordPresence.state = "OLDC"; break; // If I remembered this one's room ID, I would add it :V
default: discordPresence.state = "Unknown Room"; break; // HOW
}
if (ms_RoomId != -1)
{
discordPresence.partyId = server_context; // Thanks, whoever gave us Mumble support, for implementing the EXACT thing Discord wanted for this field!
discordPresence.partyId = server_context; // Thanks, whoever gave us Mumble support, for implementing the EXACT thing Discord wanted for this field!
// Grab the host's IP for joining.
if (I_GetNodeAddress && (address = I_GetNodeAddress(servernode)) != NULL)
{
discordPresence.joinSecret = address;
CONS_Printf("%s\n", address);
}
// Grab the host's IP for joining.
if ((join = DRPC_GetServerIP()) != NULL)
discordPresence.joinSecret = join;
discordPresence.partySize = D_NumPlayers(); // Players in server
discordPresence.partyMax = cv_maxplayers.value; // Max players (turned into a netvar for this, FOR NOW!)
}
discordPresence.partySize = D_NumPlayers(); // Players in server
discordPresence.partyMax = cv_maxplayers.value; // Max players (TODO: use another variable to hold this, so maxplayers doesn't have to be a netvar!)
}
else if (Playing())
discordPresence.state = "Offline";
@ -127,10 +223,8 @@ void DRPC_UpdatePresence(void)
if (gamestate == GS_LEVEL || gamestate == GS_INTERMISSION) // Map info
{
if ((gamemap >= 1 && gamemap <= 55) // supported race maps
|| (gamemap >= 136 && gamemap <= 164) // supported battle maps
//|| (gamemap >= 352 && gamemap <= 367) // supported hell maps (none of them)
)
if ((gamemap >= 1 && gamemap <= 60) // supported race maps
|| (gamemap >= 136 && gamemap <= 164)) // supported battle maps
{
snprintf(mapimg, 8, "%s", G_BuildMapName(gamemap));
strlwr(mapimg);