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/*
* lib/krb5/os/init_ctx.c
*
* Copyright 1994 by the Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*
* krb5_init_contex()
*/
#define NEED_WINDOWS
#include "k5-int.h"
#ifdef _MACINTOSH
static CInfoPBRec theCatInfo;
static char *FileBuffer;
static int indexCount;
static FSSpec theWorkingFile;
static char*
GetDirName(short vrefnum, long dirid, char *dststr)
{
CInfoPBRec theCatInfo;
FSSpec theParDir;
char str[37];
char *curstr;
OSErr err;
// Get info on the directory itself, it's name and it's parent
theCatInfo.dirInfo.ioCompletion = NULL;
theCatInfo.dirInfo.ioNamePtr = (StringPtr) str;
theCatInfo.dirInfo.ioVRefNum = vrefnum;
theCatInfo.dirInfo.ioFDirIndex = -1;
theCatInfo.dirInfo.ioDrDirID = dirid;
err = PBGetCatInfo(&theCatInfo, FALSE);
// If I'm looking at the root directory and I've tried going up once
// start returning down the call chain
if (err != noErr || (dirid == 2 && theCatInfo.hFileInfo.ioFlParID == 2))
return dststr;
// Construct a file spec for the parent
curstr = GetDirName(theCatInfo.dirInfo.ioVRefNum, theCatInfo.hFileInfo.ioFlParID, dststr);
// Copy the pascal string to the end of a C string
BlockMoveData(&str[1], curstr, str[0]);
curstr += str[0];
*curstr++ = ':';
// return a pointer to the end of the string (for someone below to append to)
return curstr;
}
static void
GetPathname(FSSpec *theFile, char *dststr)
{
FSSpec theParDir;
char *curstr;
OSErr err;
// Start crawling up the directory path recursivly
curstr = GetDirName(theFile->vRefNum, theFile->parID, dststr);
BlockMoveData(&theFile->name[1], curstr, theFile->name[0]);
curstr += theFile->name[0];
*curstr = 0;
}
char*
GetMacProfilePathName(void)
{
short vRefnum;
long parID;
OSErr theErr;
FSSpec krbSpec;
char pathbuf[255];
theErr = FindFolder(kOnSystemDisk, kPreferencesFolderType, kDontCreateFolder, &vRefnum, &parID);
FSMakeFSSpec(vRefnum, parID, "\pkrb5.ini", &krbSpec);
GetPathname(&krbSpec, &pathbuf);
return strdup(pathbuf);
}
#endif
/* Set the profile paths in the context. If secure is set to TRUE then
do not include user paths (from environment variables, etc.)
*/
static krb5_error_code
os_init_paths(ctx, secure)
krb5_context ctx;
krb5_boolean secure;
{
krb5_error_code retval = 0;
char *name = 0;
#if defined(_MACINTOSH) || defined(_MSDOS) || defined(_WIN32)
const char *filenames[2];
#endif
ctx->profile_secure = secure;
#if defined(_MSDOS) || defined(_WIN32)
{
char defname[160]; /* Default value */
char krb5conf[160]; /* Actual value */
GetWindowsDirectory(defname, sizeof(defname) - 10);
strcat (defname, "\\");
strcat (defname, DEFAULT_PROFILE_FILENAME);
GetPrivateProfileString(INI_FILES, INI_KRB5_CONF, defname,
krb5conf, sizeof(krb5conf), KERBEROS_INI);
name = krb5conf;
filenames[0] = name;
filenames[1] = 0;
}
retval = profile_init(filenames, &ctx->profile);
#else /* _MSDOS || _WIN32 */
#ifdef _MACINTOSH
filenames[0] = GetMacProfilePathName();
filenames[1] = 0;
retval = profile_init(filenames, &ctx->profile);
#else
/*
* When the profile routines are later enhanced, we will try
* including a config file from user's home directory here.
*/
if (!secure) name = getenv("KRB5_CONFIG");
if(!name) name = DEFAULT_PROFILE_PATH;
retval = profile_init_path(name, &ctx->profile);
#endif /* _MACINTOSH */
#endif /* _MSDOS || _WIN32 */
if (retval)
ctx->profile = 0;
if (retval == ENOENT)
retval = KRB5_CONFIG_CANTOPEN;
if ((retval == PROF_SECTION_NOTOP) ||
(retval == PROF_SECTION_SYNTAX) ||
(retval == PROF_RELATION_SYNTAX) ||
(retval == PROF_EXTRA_CBRACE) ||
(retval == PROF_MISSING_OBRACE))
return KRB5_CONFIG_BADFORMAT;
return retval;
}
krb5_error_code
krb5_os_init_context(ctx)
krb5_context ctx;
{
krb5_os_context os_ctx;
krb5_error_code retval = 0;
if (ctx->os_context)
return 0;
os_ctx = malloc(sizeof(struct _krb5_os_context));
if (!os_ctx)
return ENOMEM;
memset(os_ctx, 0, sizeof(struct _krb5_os_context));
os_ctx->magic = KV5M_OS_CONTEXT;
ctx->os_context = (void *) os_ctx;
os_ctx->time_offset = 0;
os_ctx->usec_offset = 0;
os_ctx->os_flags = 0;
retval = os_init_paths(ctx, FALSE);
/*
* If there's an error in the profile, return an error. Just
* ignoring the error is a Bad Thing (tm).
*/
return retval;
}
krb5_error_code
krb5_set_config_files(ctx, filenames)
krb5_context ctx;
const char **filenames;
{
krb5_error_code retval;
profile_t profile;
retval = profile_init(filenames, &profile);
if (retval)
return retval;
if (ctx->profile)
profile_release(ctx->profile);
ctx->profile = profile;
return 0;
}
krb5_error_code
krb5_secure_config_files(ctx)
krb5_context ctx;
{
krb5_error_code retval;
if (ctx->profile) {
profile_release(ctx->profile);
ctx->profile = 0;
}
retval = os_init_paths(ctx, TRUE);
return retval;
}
void
krb5_os_free_context(ctx)
krb5_context ctx;
{
krb5_os_context os_ctx;
os_ctx = ctx->os_context;
if (!os_ctx)
return;
os_ctx->magic = 0;
free(os_ctx);
ctx->os_context = 0;
if (ctx->profile)
profile_release(ctx->profile);
}
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