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util.c
1672 lines (1430 loc) · 35.9 KB
/
util.c
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/*
* CGIWrap is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* CGIWrap is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with CGIWrap; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Copyright 2003-2005, Nathan Neulinger <nneul@neulinger.org>
*
*/
/**
** File: util.c
** Purpose: Various utility routines used by cgiwrap
**/
#include "cgiwrap.h" /* Headers for all CGIwrap source files */
RCSID("$Id$");
/*
* Encode string to protect against cross-site scripting, but only
* encode if we are outputting in HTML. Otherwise send as is so that
* error message shows up as transmitted.
*
* Strings is returned in malloced space, but should be treated as if
* it was allocated staticly.
*/
char *HTMLEncode(char *what)
{
static char *res = NULL;
static int len = 0;
int i,j;
/* passed a null string, so return same */
if ( !what )
{
return NULL;
}
/* if we are in plaintext mode, just return string as is */
if ( ! MSG_HTMLMessages )
{
return what;
}
/* deallocate previous mem if not sufficient for current string */
/* largest encoding is & so *5 should be sufficient. */
if ( res && ((strlen(what)*5+1) > len) )
{
free(res);
res = NULL;
len = 0;
}
/* allocate mem */
if ( ! res )
{
/* default to HUGE_STRING_LEN to eliminate excess mallocing */
len = (strlen(what)*5+1);
if ( len < HUGE_STRING_LEN )
{
len = HUGE_STRING_LEN;
}
res = SafeMalloc(len, "SafeEncode");
}
/* copy string to result, encoding as we go */
j = 0;
for ( i = 0; i<=strlen(what); i++ )
{
if ( what[i] == '<' )
{
res[j++] = '&';
res[j++] = 'l';
res[j++] = 't';
res[j++] = ';';
}
else if ( what[i] == '>' )
{
res[j++] = '&';
res[j++] = 'g';
res[j++] = 't';
res[j++] = ';';
}
else if ( what[i] == '&' )
{
res[j++] = '&';
res[j++] = 'a';
res[j++] = 'm';
res[j++] = 'p';
res[j++] = ';';
}
else
{
res[j++] = what[i];
}
}
res[j] = '\0';
return res;
}
/*
* Safe malloc
*/
char *SafeMalloc(size_t size, char *what)
{
char *tmp;
tmp = (char *) malloc( size );
if ( !tmp )
{
char msg[500];
sprintf(msg, "Couldn't malloc() (%d) bytes for (%s).\n",
(int) size, what);
MSG_Error_SystemError(msg);
}
return tmp;
}
/*
* Safe putenv
*/
void SafePutenv(char * string, char *what)
{
if (putenv(string) != 0)
{
char msg[500];
sprintf(msg, "Malloc failure caused putenv() failure for (%s).\n", what);
MSG_Error_SystemError(msg);
}
}
/*
* Build the ARGV array for passing to the called script
*/
char **CreateARGV( char *scrStr, int argc, char *argv[])
{
char **temp;
int i;
temp = (char **) SafeMalloc( (argc+1) * sizeof(char *), "ARGV array");
temp[0] = StripPathComponents( CountSubDirs(scrStr) - 1, scrStr );
temp[argc] = 0;
for (i=1; i<argc; i++)
{
temp[i] = argv[i];
}
return temp;
}
/*
* Build the ARGV array for passing to the called script via interpreter
*/
char **CreateInterpreterARGV( char *interp, char *scrStr, int argc, char *argv[])
{
char **temp;
int i, cnt;
temp = (char **) SafeMalloc( (argc+2) * sizeof(char *), "ARGV array");
temp[0] = interp;
cnt = CountSubDirs(scrStr);
if ( cnt < 1 )
{
temp[1] = scrStr;
}
else
{
char *newpath = StripPathComponents( cnt, scrStr );
if ( newpath[0] == '/' )
{
temp[1] = newpath + 1;
}
else
{
temp[1] = newpath;
}
}
temp[argc+1] = 0;
for (i=1; i<argc; i++)
{
temp[i+1] = argv[i];
}
return temp;
}
/*
* Extract and return the value portion of a key=value pair found in a string
*/
char *GetValue( char *keyword, char *string )
{
char *returnStr;
char *dataStr;
char *tempStr;
char *theString;
theString = strdup(string);
returnStr = (char *) 0;
tempStr = (char *) strtok(theString, "&");
while (tempStr)
{
dataStr = (char *) strstr(tempStr, keyword);
if ( dataStr == tempStr )
{
returnStr = (char *) strchr (dataStr, '=');
if ( returnStr) returnStr++;
tempStr = (char *) 0;
}
else
{
tempStr = (char *) strtok( (char *) 0, "&");
}
}
if ( returnStr )
{
returnStr = strdup(returnStr);
}
free(theString);
return returnStr;
}
/*
* Check if a script name ends with a particular string (i.e. .php)
*/
int StringEndsWith(char *string, char *ending)
{
int len = strlen(string);
int elen = strlen(ending);
if ( len >= elen && !strncasecmp(string + len - elen, ending, elen) )
{
return 1;
}
else
{
return 0;
}
}
/*
* Check if a path is safe to use
* Return true if 'path' contains any whitespace or non-printables
* Return true if 'path' contains '../'
*/
int CheckPath(char *path)
{
int i,c;
#if defined(CONF_STRICT_NAMES)
for (i=0; i< strlen(path); i++)
{
c = path[i];
if ( !isprint(c) || isspace(c) )
{
return 1;
}
}
#endif
return ( strstr(path, "../") != NULL );
}
/*
* Condense slashes, removing duplicates and trailers
*/
char *CondenseSlashes(char *path)
{
char *tmp;
int i,j;
tmp = (char *) SafeMalloc( strlen(path)+1, "CondenseSlashes");
for (i=0, j=0; i<strlen(path); i++)
{
if ( !((path[i] == '/') &&
((path[i+1] == '/') || (path[i+1] == '\0')) ))
{
tmp[j++] = path[i];
}
}
tmp[j] = 0;
return tmp;
}
/*
* Count the number of /'s in a string
*/
int CountSubDirs(char *path)
{
int i, count;
count = 0;
for (i=0; i<strlen(path); i++)
{
if ( path[i] == '/' )
{
count++;
}
}
return count;
}
/*
* Output the contents of several important environment variables
*/
void OutputEnvironment(void)
{
DEBUG_Msg("");
DEBUG_Msg("Environment Variables:");
DEBUG_Str(" QUERY_STRING:", (char *) getenv("QUERY_STRING") );
DEBUG_Str(" SCRIPT_NAME:", (char *) getenv("SCRIPT_NAME") );
DEBUG_Str(" SCRIPT_FILENAME:", (char *) getenv("SCRIPT_FILENAME") );
DEBUG_Str(" REDIRECT_URL:", (char *) getenv("REDIRECT_URL") );
DEBUG_Str(" PATH_INFO:", (char *) getenv("PATH_INFO") );
DEBUG_Str(" PATH_TRANSLATED:", (char *) getenv("PATH_TRANSLATED") );
DEBUG_Str(" REMOTE_USER:", (char *) getenv("REMOTE_USER") );
DEBUG_Str(" REMOTE_HOST:", (char *) getenv("REMOTE_HOST") );
DEBUG_Str(" REMOTE_ADDR:", (char *) getenv("REMOTE_ADDR") );
}
/*
* Save a copy of the old environment variables
*/
void SaveEnvironment(void)
{
char *c;
c = getenv("PATH_INFO");
if ( c )
{
Context.origPathInfo = strdup(c);
}
}
/*
* Change to the users cgi-bin directory, this serves to provide
* a consistent strting point for paths.
*/
void ChangeToCGIDir(char *scriptPath)
{
char *tempdir;
char *tempstring;
int i;
i = CountSubDirs(scriptPath) - 1;
tempdir = GetPathComponents(i, scriptPath);
tempstring = (char *) SafeMalloc (strlen(tempdir) + 5,
"cgi directory path");
tempstring[0] = '/';
tempstring[1] = 0;
strcat(tempstring, tempdir);
DEBUG_Str("\nChanging current directory to", tempstring);
if (chdir(tempstring) == -1)
{
MSG_Error_SystemError("Cannot change to user's CGI directory via chdir()!");
}
free(tempdir);
free(tempstring);
}
/*
* Perform checks on the userid (global checks)
*/
void CheckUser(struct passwd *user)
{
#if defined(CONF_CHECKHOST)
DEBUG_Msg("Checking remote host information.");
if ( ( !getenv("REMOTE_ADDR") ) || (getenv("REMOTE_ADDR")[0] == '\0') )
{
Log(user->pw_name, "-", "no remote host");
MSG_Error_General("Cannot determine if your host is allowed to run this script.");
}
#endif
#if defined(CONF_MINIMUM_UID)
DEBUG_Msg("Checking user minimum uid.");
if ( user->pw_uid < CONF_MINIMUM_UID )
{
Log(user->pw_name, "-", "uid less than minimum");
MSG_Error_AccessControl("UID of script userid less than configured minimum.",
NULL, NULL);
}
#endif
#if defined(CONF_MINIMUM_GID)
DEBUG_Msg("Checking user minimum gid.");
if ( user->pw_gid < CONF_MINIMUM_GID )
{
Log(user->pw_name, "-", "gid less than minimum");
MSG_Error_AccessControl("GID of script userid less than configured minimum.",
NULL, NULL);
}
#endif
#if defined(CONF_CHECKSHELL)
{
char *sh, *getusershell();
int found = 0;
DEBUG_Msg("Checking user shell.");
while ( (sh = getusershell()) )
{
if (0 == strcmp( sh, user->pw_shell ))
{
found = 1;
break;
}
}
if (found == 0)
{
Log(user->pw_name, "-", "restricted login shell");
MSG_Error_AccessControl("Restricted login shell, permission denied.",
NULL, NULL);
}
}
#endif
#if defined(CONF_REQUIRE_REDIRECT_URL)
DEBUG_Msg("Checking for required REDIRECT_URL.");
if ( ( !getenv("REDIRECT_URL") ) || (getenv("REDIRECT_URL")[0] == '\0') )
{
Log(user->pw_name, "-", "no redirect url");
MSG_Error_AccessControl("REDIRECT_URL not in environment, cgiwrap not invoked via Action/Handler.",
NULL, NULL);
}
#endif
#if defined(CONF_ENV_REQUIRE_USER)
DEBUG_Msg("Checking for CGIWRAP_REQUIRE_USER in environment.");
if ( getenv("CGIWRAP_REQUIRE_USER") )
{
if ( strcmp(getenv("CGIWRAP_REQUIRE_USER"), user->pw_name) )
{
Log(user->pw_name, "-", "CGIWRAP_REQUIRE_USER mismatch");
MSG_Error_AccessControl("User does not match CGIWRAP_REQUIRE_USER in environment.",
NULL, NULL);
}
}
#endif
}
/*
* Perform checks on the userid (global checks)
*/
void CheckUserAccess(struct passwd *user)
{
#if defined(CONF_DENYFILE) || defined(CONF_ALLOWFILE)
char *denyfile = NULL;
char *allowfile = NULL;
#if defined(CONF_DENYFILE)
denyfile = CONF_DENYFILE;
DEBUG_Str("Global Deny File: ", denyfile);
#endif
#if defined(CONF_ALLOWFILE)
allowfile = CONF_ALLOWFILE;
DEBUG_Str("Global Allow File: ", allowfile);
#endif
CheckAccess_Helper(user, allowfile, denyfile);
#endif
}
/*
* Build paths of the vhost access control files, and check to
* see if they allow this access. If not found, fail.
*/
void CheckVHostUserAccess(struct passwd *user)
{
#if defined(CONF_VHOST_ALLOWDIR) || defined(CONF_VHOST_DENYDIR)
char *denyfile = NULL;
char *allowfile = NULL;
char *http_host = getenv("HTTP_HOST");
char *lower_http_host = NULL;
int i;
#ifdef CONF_VHOST_OVERRIDE
char *cgiwrap_auth_vhost = getenv("CGIWRAP_AUTH_VHOST");
if ( cgiwrap_auth_vhost && cgiwrap_auth_vhost[0])
{
DEBUG_Str("Overriding Access Control Virtual Host: ", HTMLEncode(cgiwrap_auth_vhost));
http_host = cgiwrap_auth_vhost;
}
#endif
/* Get the vhost we are running on */
if ( ! http_host || ! http_host[0] )
{
MSG_Error_AccessControl(
"Cannot determine virtual host for access control.", NULL, NULL);
}
/* Force to all lowercase */
DEBUG_Msg("Determining virtual host for access control.");
lower_http_host = (char *) SafeMalloc(strlen(http_host) + 1,
"lower_http_host");
for (i=0; i<=strlen(http_host); i++)
{
lower_http_host[i] = tolower(http_host[i]);
}
DEBUG_Msg("\n");
DEBUG_Str("Access Control Virtual Host: ", lower_http_host);
/* Now build the two filenames */
#if defined(CONF_VHOST_ALLOWDIR)
allowfile = (char *) SafeMalloc(strlen(CONF_VHOST_ALLOWDIR) + 1 +
strlen(lower_http_host) + 1, "vhost allowfile");
strcpy(allowfile, CONF_VHOST_ALLOWDIR);
strcat(allowfile, "/");
strcat(allowfile, lower_http_host);
DEBUG_Str(" VHost Allow File: ", allowfile);
#endif
#if defined(CONF_VHOST_DENYDIR)
denyfile = (char *) SafeMalloc(strlen(CONF_VHOST_DENYDIR) + 1 +
strlen(lower_http_host) + 1, "vhost denyfile");
strcpy(denyfile, CONF_VHOST_DENYDIR);
strcat(denyfile, "/");
strcat(denyfile, lower_http_host);
DEBUG_Str(" VHost Deny File: ", denyfile);
#endif
CheckAccess_Helper(user, allowfile, denyfile);
/* Clean up */
if ( denyfile ) free(denyfile);
if ( allowfile ) free(allowfile);
free(lower_http_host);
#endif
}
void CheckAccess_Helper(struct passwd *user, char *allowfile, char *denyfile)
{
int deny_exists=0, allow_exists=0;
int in_deny=0, in_allow=0;
/* If neither specified, we're not configured for it */
if ( !allowfile && !denyfile )
{
return;
}
DEBUG_Msg("\nChecking Access Files:");
if ( denyfile )
{
deny_exists = FileExists(denyfile);
if ( deny_exists )
{
DEBUG_Str(" Deny file exists: ", denyfile);
}
}
if ( allowfile )
{
allow_exists = FileExists(allowfile);
if ( allow_exists )
{
DEBUG_Str(" Allow file exists: ", allowfile);
}
}
if ( !deny_exists && !allow_exists )
{
Log(user->pw_name, "-", "access control files not found");
MSG_Error_AccessControl("Access control files not found!",
allowfile, denyfile);
}
if ( deny_exists )
{
DEBUG_Str(" Checking deny file for",user->pw_name);
in_deny = UserInFile(denyfile, user->pw_name);
}
if ( allow_exists )
{
DEBUG_Str(" Checking allow file for",user->pw_name);
in_allow = UserInFile(allowfile, user->pw_name);
}
if ( (in_allow && in_deny) ||
( allow_exists && !in_allow ) ||
( deny_exists && in_deny ) )
{
Log(user->pw_name, "-", "user/host not permitted");
MSG_Error_AccessControl(
"Script userid and/or remote host not permitted!",
NULL, NULL);
}
}
/*
* Perform file checks on the script file
*/
void CheckScriptFile(void)
{
struct stat fileStat; /* For checking file status */
struct stat fileLStat; /* For checking symlink status */
if ( CheckPath(Context.scriptFullPath) )
{
MSG_Error_ExecutionNotPermitted(Context.scriptFullPath,
"Script path contains illegal components");
}
#if !defined(CONF_SUBDIRS)
/* Check if script is in a subdirectory */
if ( CountSubDirs(Context.scriptRelativePath) > 0 )
{
Log(Context.user.pw_name, Context.scriptFullPath,
"script in subdir not allowed");
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Scripts in subdirectories are not allowed");
}
#endif
if ( stat(Context.scriptFullPath, &fileStat) )
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script file not found.");
}
if ( lstat(Context.scriptFullPath, &fileLStat) )
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script file not found.");
}
#if defined(CONF_CHECK_SYMLINK)
if ( S_ISLNK(fileLStat.st_mode) )
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is a symbolic link");
}
#endif
if ( !S_ISREG(fileStat.st_mode) )
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is not a regular file");
}
if (fileStat.st_mode & S_IXUSR)
{
Context.script_is_executable = 1; /* record this in case we might use interpreter later */
}
else if ( !Context.interpreted_script ) /* if we're passing to interpreter, isn't an error to be non-executable */
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is not executable. Issue 'chmod 755 filename'");
}
#if defined(CONF_CHECK_SCRUID)
if (!S_ISLNK(fileLStat.st_mode))
{
if (!Context.multiuser_cgi_script && fileStat.st_uid != Context.user.pw_uid)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script does not have same UID");
}
}
else
{
if (!Context.multiuser_cgi_script && fileLStat.st_uid != Context.user.pw_uid)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Symlink to script does not have same UID");
}
}
#endif
#if defined(CONF_CHECK_SCRGID)
if (!Context.multiuser_cgi_script && fileStat.st_gid != Context.user.pw_gid)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script does not have same GID");
}
#endif
#if defined(CONF_CHECK_SCRSUID)
if (fileStat.st_mode & S_ISUID)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is setuid");
}
#endif
#if defined(CONF_CHECK_SCRSGID)
if (fileStat.st_mode & S_ISGID)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is setgid");
}
#endif
#if defined(CONF_CHECK_SCRGWRITE)
if (fileStat.st_mode & S_IWGRP)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is group writable.");
}
#endif
#if defined(CONF_CHECK_SCROWRITE)
if (fileStat.st_mode & S_IWOTH)
{
MSG_Error_ExecutionNotPermitted(Context.scriptRelativePath,
"Script is world writable.");
}
#endif
}
/*
* Verify the CGIwrap is being executed by the server userid
* and that it is running as effective uid root.
*/
void VerifyExecutingUser(void)
{
#if defined(CONF_CHECK_HTTPD_USER)
struct passwd *user;
if ( !(user = getpwnam(CONF_HTTPD_USER)) )
{
MSG_Error_ServerUserNotFound();
}
if ( getuid() != user->pw_uid )
{
MSG_Error_ServerUserMismatch();
}
#endif
if ( geteuid() != 0 )
{
MSG_Error_CGIWrapNotSetUID();
}
}
/*
* Construct string containing full path to script
*/
char *BuildScriptPath(char *basedir, char *scrStr)
{
char *tmp;
tmp = (char *) SafeMalloc ( strlen(basedir) + strlen(scrStr) + 5,
"scriptPath");
sprintf(tmp, "%s/%s", basedir, scrStr);
return tmp;
}
/*
* Extract the first 'count' components of 'path'
*/
char *GetPathComponents(int count, char *path)
{
char *tmp;
int i, j, found;
int done;
int len;
tmp = strdup(path);
len = strlen(tmp);
/* First skip over any leading /'s */
i = 0;
done = 0;
while ( i<len && !done )
{
if ( path[i] == '/' )
{
i++;
}
else
{
done = 1;
}
}
/* Now, only copy a certain number of components */
j = 0;
found = 0;
while ( i<len && found < count)
{
if ( path[i] == '/' )
{
found++;
}
if ( found < count )
{
tmp[j] = path[i];
j++;
}
i++;
}
tmp[j] = 0;
return tmp;
}
/*
* Extract all but the first 'count' components of 'path'
*/
char *StripPathComponents(int count, char *path)
{
char *tmp;
int i, found;
int done;
int len;
len = strlen(path);
/* First skip over any leading /'s */
i = 0;
done = 0;
while ( i<len && !done )
{
if ( path[i] == '/' )
{
i++;
}
else
{
done = 1;
}
}
/* Now, skip over a certain number of components */
found = 0;
while ( i<len && found < count)
{
if ( path[i] == '/' )
{
found++;
}
if ( found < count )
{
i++;
}
}
tmp = strdup(path + i);
return tmp;
}
/*
* Set Environment Variables
*/
void SetEnvironmentVariables(void)
{
#if defined(CONF_SETENV_ANY)
int i;
char msg[500];
struct cgiwrap_setenv_table
{
char *variable;
char *value;
char *setstring;
} cgiwrap_setenvs[] = {
#if defined(CONF_SETENV_PATH)
{"PATH", CONF_SETENV_PATH, "PATH=" CONF_SETENV_PATH},
#endif
#if defined(CONF_SETENV_TZ)
{"TZ", CONF_SETENV_TZ, "TZ=" CONF_SETENV_TZ},
#endif
#if defined(CONF_SETENV_LD_LIBRARY_PATH)
{"LD_LIBRARY_PATH", CONF_SETENV_LD_LIBRARY_PATH,
"LD_LIBRARY_PATH=" CONF_SETENV_LD_LIBRARY_PATH},
#endif
{0,0,0}
};
for (i=0; cgiwrap_setenvs[i].variable; i++)
{
sprintf(msg, "Setting Environment Variable(%s) to (%s)\n",
cgiwrap_setenvs[i].variable,
cgiwrap_setenvs[i].value);
DEBUG_Msg(msg);
#if defined(HAS_PUTENV)
SafePutenv(cgiwrap_setenvs[i].setstring,
"set environment variable");
#endif
}
#endif
}
/*
* Set Resource Limits
*/
void SetResourceLimits(void)
{
#if defined(CONF_USE_RLIMIT_ANY)
struct rlimit limstruct;
int i;
char msg[200];
struct cgiwrap_rlimit_table
{
int which;
char *label;
long value;
} cgiwrap_rlimits[] = {
#if defined(CONF_USE_RLIMIT_CPU) && defined(RLIMIT_CPU)
{RLIMIT_CPU, "cpu time", CONF_USE_RLIMIT_CPU},
#endif
#if defined(CONF_USE_RLIMIT_VMEM) && defined(RLIMIT_VMEM)
{RLIMIT_VMEM, "virtual memory", CONF_USE_RLIMIT_VMEM},
#endif
#if defined(CONF_USE_RLIMIT_FSIZE) && defined(RLIMIT_FSIZE)
{RLIMIT_FSIZE, "writable file size", CONF_USE_RLIMIT_FSIZE},
#endif
#if defined(CONF_USE_RLIMIT_DATA) && defined(RLIMIT_DATA)
{RLIMIT_DATA, "data size", CONF_USE_RLIMIT_DATA},
#endif
#if defined(CONF_USE_RLIMIT_STACK) && defined(RLIMIT_STACK)
{RLIMIT_STACK, "stack size", CONF_USE_RLIMIT_STACK},
#endif
#if defined(CONF_USE_RLIMIT_AS) && defined(RLIMIT_AS)
{RLIMIT_AS, "total available memory", CONF_USE_RLIMIT_AS},
#endif
#if defined(CONF_USE_RLIMIT_CORE) && defined(RLIMIT_CORE)
{RLIMIT_CORE, "core file size", CONF_USE_RLIMIT_CORE},
#endif
#if defined(CONF_USE_RLIMIT_RSS) && defined(RLIMIT_RSS)
{RLIMIT_RSS, "resident set size", CONF_USE_RLIMIT_RSS},
#endif
#if defined(CONF_USE_RLIMIT_NPROC) && defined(RLIMIT_NPROC)
{RLIMIT_NPROC, "number of processes", CONF_USE_RLIMIT_NPROC},
#endif
#if defined(CONF_USE_RLIMIT_NOFILE) && defined(RLIMIT_NOFILE)
{RLIMIT_NOFILE, "number of open files", CONF_USE_RLIMIT_NOFILE},
#endif
#if defined(CONF_USE_RLIMIT_MEMLOCK) && defined(RLIMIT_MEMLOCK)
{RLIMIT_MEMLOCK, "lockable memory", CONF_USE_RLIMIT_MEMLOCK},
#endif
{0,0,0}
};
for (i=0; cgiwrap_rlimits[i].label; i++)
{
limstruct.rlim_cur = cgiwrap_rlimits[i].value;
#if defined(CONF_SOFT_RLIMIT_ONLY)
limstruct.rlim_max = RLIM_INFINITY;
#else
limstruct.rlim_max = cgiwrap_rlimits[i].value;
#endif
sprintf(msg, "Limiting (%s) to (%ld)\n",
cgiwrap_rlimits[i].label,
cgiwrap_rlimits[i].value);
DEBUG_Msg(msg);