view dgl/rlgwebd-compat.patch @ 72:1d8dc3ed22cf

Restore the default size of the high score list. In an era of megabyte JavaScript libraries, ten lines of text is not too much.
author John "Elwin" Edwards
date Sun, 20 Mar 2016 07:59:22 -0400
parents c2127bc98694
children 1bddd1839831
line wrap: on
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diff --git a/dgamelaunch.c b/dgamelaunch.c
index a52812d..6107851 100644
--- a/dgamelaunch.c
+++ b/dgamelaunch.c
@@ -1489,7 +1489,10 @@ int
 changepw (int dowrite)
 {
   char buf[DGL_PASSWDLEN+1];
+  char salt[21];
   int error = 2;
+  int i;
+  FILE *urandom;
 
   /* A precondition is that struct `me' exists because we can be not-yet-logged-in. */
   if (!me) {
@@ -1553,8 +1556,28 @@ changepw (int dowrite)
         error = 1;
     }
 
+  salt[0] = salt[2] = salt[19] = '$';
+  salt[1] = '6';
+  salt[20] = '\0';
+  urandom = fopen("/dev/urandom", "r");
+  for (i = 3; i < 19; i++) {
+    /* This does waste four random bytes. */
+    fread(salt + i, 1, 1, urandom);
+    salt[i] &= 0x3f;
+    if (salt[i] < 26)
+      salt[i] += 'a';
+    else if (salt[i] < 52)
+      salt[i] = 'A' + salt[i] - 26;
+    else if (salt[i] < 62)
+      salt[i] = '0' + salt[i] - 52;
+    else if (salt[i] == 62)
+      salt[i] = '.';
+    else
+      salt[i] = '/';
+  }
+  fclose(urandom);
   free(me->password);
-  me->password = strdup (crypt (buf, buf));
+  me->password = strdup (crypt (buf, salt));
 
   if (dowrite)
     writefile (0);
@@ -2054,6 +2077,12 @@ passwordgood (char *cpw)
   char *crypted;
   assert (me != NULL);
 
+  crypted = crypt (cpw, me->password);
+  if (crypted == NULL)
+      return 0;
+  if (!strncmp (crypted, me->password, DGL_PASSWDLEN))
+    return 1;
+
   crypted = crypt (cpw, cpw);
   if (crypted == NULL)
       return 0;
diff --git a/dgamelaunch.h b/dgamelaunch.h
index e298adf..411c7c3 100644
--- a/dgamelaunch.h
+++ b/dgamelaunch.h
@@ -20,7 +20,7 @@
 #define dglsign(x) (x < 0 ? -1 : (x > 0 ? 1 : 0))
 
 #define DGL_PLAYERNAMELEN 30 /* max. length of player name */
-#define DGL_PASSWDLEN 20 /* max. length of passwords */
+#define DGL_PASSWDLEN 108 /* max. length of passwords */
 #define DGL_MAILMSGLEN 80 /* max. length of mail message */
 
 #define DGL_MAXWATCHCOLS 10
diff --git a/dgl-common.c b/dgl-common.c
index 80560b5..94f7b69 100644
--- a/dgl-common.c
+++ b/dgl-common.c
@@ -608,7 +608,7 @@ game_read_extra_info(struct dg_game *game, const char *extra_info_file)
 struct dg_game **
 populate_games (int xgame, int *l, struct dg_user *me)
 {
-  int fd, len, n, pid;
+  int fd, len, n, pid, is_node;
   DIR *pdir;
   struct dirent *pdirent;
   struct stat pstat;
@@ -646,13 +646,15 @@ populate_games (int xgame, int *l, struct dg_user *me)
 
       if (!inprog) continue;
 
+      is_node = strchr(pdirent->d_name, ':') && !strncmp(strchr(pdirent->d_name, ':'), ":node:", 6);
+
       snprintf (fullname, 130, "%s%s", inprog, pdirent->d_name);
 
       fd = 0;
       /* O_RDWR here should be O_RDONLY, but we need to test for
        * an exclusive lock */
       fd = open (fullname, O_RDWR);
-      if (fd >= 0 && (fcntl (fd, F_SETLK, &fl) == -1))
+      if (fd >= 0 && (is_node || (fcntl (fd, F_SETLK, &fl) == -1)))
         {
 		char *ttrecdir = NULL;
 		strncpy(playername, pdirent->d_name, DGL_PLAYERNAMELEN);
@@ -666,6 +668,9 @@ populate_games (int xgame, int *l, struct dg_user *me)
 		  graceful_exit(145);
 	      }
               replacestr++;
+              if (is_node) {
+                  replacestr += 5;
+              }
 
 	      ttrecdir = dgl_format_str(game, me, myconfig[game]->ttyrecdir, playername);
 	      if (!ttrecdir) continue;
@@ -688,6 +693,8 @@ populate_games (int xgame, int *l, struct dg_user *me)
               strlcpy (games[len]->name, pdirent->d_name,
                        strlen (pdirent->d_name) + 1);
 
+              if (is_node)
+                  replacestr += 5;
               games[len]->date = malloc (11);
               strlcpy (games[len]->date, replacestr + 1, 11);