Update man pages.

[thirdparty/cups.git] / scheduler / env.c

diff --git a/scheduler/env.c b/scheduler/env.c
index 0b66b5e22df145e19b230ca23f30c180b221ee5e..71ab98d6b8b642f704e061a77d2fa4dd46bf3d39 100644 (file)
--- a/scheduler/env.c
+++ b/scheduler/env.c
@@ -1,27 +1,10 @@
 /*
- * "$Id: env.c 7673 2008-06-18 22:31:26Z mike $"
+ * Environment management routines for the CUPS scheduler.
  *
- *   Environment management routines for the CUPS scheduler.
+ * Copyright 2007-2016 by Apple Inc.
+ * Copyright 1997-2006 by Easy Software Products, all rights reserved.
  *
- *   Copyright 2007-2011 by Apple Inc.
- *   Copyright 1997-2006 by Easy Software Products, all rights reserved.
- *
- *   These coded instructions, statements, and computer programs are the
- *   property of Apple Inc. and are protected by Federal copyright
- *   law.  Distribution and use rights are outlined in the file "LICENSE.txt"
- *   which should have been included with this file.  If this file is
- *   file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * Contents:
- *
- *   cupsdInitEnv()   - Initialize the current environment with standard
- *                      variables.
- *   cupsdLoadEnv()   - Copy common environment variables into an array.
- *   cupsdSetEnv()    - Set a common environment variable.
- *   cupsdSetEnvf()   - Set a formatted common environment variable.
- *   cupsdUpdateEnv() - Update the environment for the configured directories.
- *   clear_env()      - Clear common environment variables.
- *   find_env()       - Find a common environment variable.
+ * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
  */
 
 /*
@@ -62,7 +45,7 @@ cupsdInitEnv(void)
 
 #if defined(__APPLE__)
  /*
-  * Add special voodoo magic for MacOS X - this allows MacOS X 
+  * Add special voodoo magic for macOS - this allows macOS
   * programs to access their bundle resources properly...
   *
   * This string is replaced in cupsdStartProcess()...
@@ -130,6 +113,13 @@ cupsdSetEnv(const char *name,              /* I - Name of variable */
   if (!value)
     return;
 
+ /*
+  * Do not allow dynamic linker variables when running as root...
+  */
+
+  if (!RunUser && (!strncmp(name, "DYLD_", 5) || !strncmp(name, "LD_", 3)))
+    return;
+
  /*
   * See if this variable has already been defined...
   */
@@ -211,6 +201,7 @@ cupsdUpdateEnv(void)
   set_if_undefined("CUPS_SERVERBIN", ServerBin);
   set_if_undefined("CUPS_SERVERROOT", ServerRoot);
   set_if_undefined("CUPS_STATEDIR", StateDir);
+  set_if_undefined("DYLD_INSERT_LIBRARIES", NULL);
   set_if_undefined("DYLD_LIBRARY_PATH", NULL);
   set_if_undefined("HOME", TempDir);
   set_if_undefined("LD_ASSUME_KERNEL", NULL);
@@ -227,6 +218,8 @@ cupsdUpdateEnv(void)
   set_if_undefined("TZ", NULL);
   set_if_undefined("USER", "root");
   set_if_undefined("VG_ARGS", NULL);
+
+  cupsdSetEnvf("CUPS_MAX_MESSAGE", "%d", CUPSD_SB_BUFFER_SIZE - 1);
 }
 
 
@@ -248,5 +241,19 @@ clear_env(void)
 
 
 /*
- * End of "$Id: env.c 7673 2008-06-18 22:31:26Z mike $".
+ * 'find_env()' - Find a common environment variable.
  */
+
+static int                             /* O - Index or -1 if not found */
+find_env(const char *name)             /* I - Variable name */
+{
+  int          i;                      /* Looping var */
+  size_t       namelen;                /* Length of name */
+
+
+  for (i = 0, namelen = strlen(name); i < num_common_env; i ++)
+    if (!strncmp(common_env[i], name, namelen) && common_env[i][namelen] == '=')
+      return (i);
+
+  return (-1);
+}