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remove _w32 and support unix enviroments too

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This commit is contained in:
Love Hornquist Astrand
2010-05-27 11:55:20 -05:00
parent 58022d0721
commit 88c5f75b16
2 changed files with 115 additions and 93 deletions
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1
lib/krb5/Makefile.am
View File

@@ -109,6 +109,7 @@ dist_libkrb5_la_SOURCES = \
eai_to_heim_errno.c \
error_string.c \
expand_hostname.c \
expand_path.c \
fcache.c \
free.c \
free_host_realm.c \

191
lib/krb5/expand_path_w32.c → lib/krb5/expand_path.c
View File

@@ -1,3 +1,4 @@
/***********************************************************************
* Copyright (c) 2009, Secure Endpoints Inc.
* All rights reserved.
@@ -30,11 +31,13 @@
**********************************************************************/
#include "krb5_locl.h"
#include <shlobj.h>
#include <sddl.h>
typedef int PTYPE;
#ifdef _WIN32
#include <shlobj.h>
#include <sddl.h>
/**
* Expand a %{TEMP} token
*
@@ -54,7 +57,8 @@ _expand_temp_folder(krb5_context context, PTYPE param, const char * postfix, cha
if (!GetTempPath(sizeof(tpath)/sizeof(tpath[0]), tpath)) {
if (context)
krb5_set_error_string(context, "Failed to get temporary path (GLE=%d)",
krb5_set_error_message(context, EINVAL,
"Failed to get temporary path (GLE=%d)",
GetLastError());
return EINVAL;
}
@@ -68,7 +72,7 @@ _expand_temp_folder(krb5_context context, PTYPE param, const char * postfix, cha
if (*ret == NULL) {
if (context)
krb5_set_error_string(context, "strdup - Out of memory");
krb5_set_error_message(context, ENOMEM, "strdup - Out of memory");
return ENOMEM;
}
@@ -164,7 +168,8 @@ _expand_userid(krb5_context context, PTYPE param, const char * postfix, char **
if (le != 0) {
if (context)
krb5_set_error_string(context, "Can't open thread token (GLE=%d)", le);
krb5_set_error_message(context, rv,
"Can't open thread token (GLE=%d)", le);
goto _exit;
}
}
@@ -172,44 +177,46 @@ _expand_userid(krb5_context context, PTYPE param, const char * postfix, char **
if (!GetTokenInformation(hToken, TokenOwner, NULL, 0, &len)) {
if (GetLastError() != ERROR_INSUFFICIENT_BUFFER) {
if (context)
krb5_set_error_string(context, "Unexpected error reading token information (GLE=%d)",
krb5_set_error_message(context, rv,
"Unexpected error reading token information (GLE=%d)",
GetLastError());
goto _exit;
}
if (len == 0) {
if (context)
krb5_set_error_string(context, "GetTokenInformation() returned truncated buffer");
krb5_set_error_message(context, rv,
"GetTokenInformation() returned truncated buffer");
goto _exit;
}
pOwner = malloc(len);
if (pOwner == NULL) {
if (context)
krb5_set_error_string(context, "Out of memory");
krb5_set_error_message(context, rv, "Out of memory");
goto _exit;
}
} else {
if (context)
krb5_set_error_string(context, "GetTokenInformation() returned truncated buffer");
krb5_set_error_message(context, rv, "GetTokenInformation() returned truncated buffer");
goto _exit;
}
if (!GetTokenInformation(hToken, TokenOwner, pOwner, len, &len)) {
if (context)
krb5_set_error_string(context, "GetTokenInformation() failed. GLE=%d", GetLastError());
krb5_set_error_message(context, rv, "GetTokenInformation() failed. GLE=%d", GetLastError());
goto _exit;
}
if (!ConvertSidToStringSid(pOwner->Owner, &strSid)) {
if (context)
krb5_set_error_string(context, "Can't convert SID to string. GLE=%d", GetLastError());
krb5_set_error_message(context, rv, "Can't convert SID to string. GLE=%d", GetLastError());
goto _exit;
}
*ret = strdup(strSid);
if (*ret == NULL && context)
krb5_set_error_string(context, "Out of memory");
krb5_set_error_message(context, rv, "Out of memory");
rv = 0;
@@ -226,24 +233,6 @@ _expand_userid(krb5_context context, PTYPE param, const char * postfix, char **
return rv;
}
/**
* Expand a %{null} token
*
* The expansion of a %{null} token is always the empty string.
*/
static int
_expand_null(krb5_context context, PTYPE param, const char * postfix, char ** ret)
{
*ret = strdup("");
if (*ret == NULL) {
if (context)
krb5_set_error_string(context, "Out of memory");
return ENOMEM;
}
return 0;
}
/**
* Expand a folder identified by a CSIDL
*
@@ -260,8 +249,8 @@ _expand_csidl(krb5_context context, PTYPE folder, const char * postfix, char **
if (SHGetFolderPath(NULL, folder, NULL, SHGFP_TYPE_CURRENT, path) != S_OK) {
if (context)
krb5_set_error_string(context, "Unable to determine folder path");
return 1;
krb5_set_error_message(context, EINVAL, "Unable to determine folder path");
return EINVAL;
}
len = strlen(path);
@@ -277,12 +266,72 @@ _expand_csidl(krb5_context context, PTYPE folder, const char * postfix, char **
*ret = strdup(path);
if (*ret == NULL) {
if (context)
krb5_set_error_string(context, "Out of memory");
krb5_set_error_message(context, ENOMEM, "Out of memory");
return ENOMEM;
}
return 0;
}
#else
static int
_expand_path(krb5_context context, PTYPE param, const char *postfix, char **ret)
{
*ret = strdup(postfix);
if (*ret == NULL) {
krb5_set_error_message(context, ENOMEM, "malloc - out of memory");
return ENOMEM;
}
return 0;
}
static int
_expand_temp_folder(krb5_context context, PTYPE param, const char *postfix, char **ret)
{
const char *p = NULL;
if (issuid())
p = getenv("TEMP");
if (p)
*ret = strdup(p);
else
*ret = strdup("/tmp");
if (*ret == NULL)
return ENOMEM;
return 0;
}
static int
_expand_userid(krb5_context context, PTYPE param, const char *postfix, char **ret)
{
asprintf(ret, "%ld", (unsigned long)getuid());
if (*ret == NULL)
return ENOMEM;
return 0;
}
#endif /* _WIN32 */
/**
* Expand a %{null} token
*
* The expansion of a %{null} token is always the empty string.
*/
static int
_expand_null(krb5_context context, PTYPE param, const char *postfix, char **ret)
{
*ret = strdup("");
if (*ret == NULL) {
if (context)
krb5_set_error_message(context, ENOMEM, "Out of memory");
return ENOMEM;
}
return 0;
}
static const struct token {
const char * tok;
int ftype;
@@ -294,14 +343,14 @@ static const struct token {
int (*exp_func)(krb5_context, PTYPE, const char *, char **);
#define CSIDLP(C,P) FTYPE_CSIDL, C, P, _expand_csidl
#define CSIDL(C) CSIDLP(C, NULL)
#define SPECIALP(f, P) FTYPE_SPECIAL, 0, P, f
#define SPECIAL(f) SPECIALP(f, NULL)
} tokens[] = {
/* Windows only -- */
#ifdef _WIN32
#define CSIDLP(C,P) FTYPE_CSIDL, C, P, _expand_csidl
#define CSIDL(C) CSIDLP(C, NULL)
{"APPDATA", CSIDL(CSIDL_APPDATA)},
/* Roaming application data (for current user) */
@@ -316,48 +365,29 @@ static const struct token {
{"WINDOWS", CSIDL(CSIDL_WINDOWS)},
/* Windows folder */
/* -- end Windows only */
{"USERCONFIG", CSIDLP(CSIDL_APPDATA, "\\" PACKAGE)},
/* Per user Heimdal configuration file path */
{"COMMONCONFIG", CSIDLP(CSIDL_COMMON_APPDATA, "\\" PACKAGE)},
/* Common Heimdal configuration file path */
{"LIBDIR", SPECIAL(_expand_bin_dir)},
/* Expands to the "lib" directory. On
Windows this is treated the same as
the "bin" directory. */
{"BINDIR", SPECIAL(_expand_bin_dir)},
/* Expands to the "bin" directory. On
Windows this is treated the same as
the "bin" directory. */
{"LIBEXEC", SPECIAL(_expand_bin_dir)},
/* Expands to the "libexec"
directory. On Windows, this is
treated the same as the "bin"
directory. */
{"SBINDIR", SPECIAL(_expand_bin_dir)},
/* Expands to the "sbin" directory.
On Windows, this is treated the
same as the "bin" directory. */
#else
#if 0
{"USERCONFIG", SPECIAL(_expand_homedir)},
{"COMMONCONFIG", SPECIAL(_expand_commondir)},
#endif
{"LIBDIR", FTYPE_SPECIAL, 0, LIBDIR, _expand_path},
{"BINDIR", FTYPE_SPECIAL, 0, BINDIR, _expand_path},
{"LIBEXEC", FTYPE_SPECIAL, 0, LIBEXECDIR, _expand_path},
{"SBINDIR", FTYPE_SPECIAL, 0, SBINDIR, _expand_path},
#endif
{"TEMP", SPECIAL(_expand_temp_folder)},
/* Temporary files folder */
{"USERID", SPECIAL(_expand_userid)},
/* User ID (On Windows, this expands
to the user's string SID */
{"uid", SPECIAL(_expand_userid)},
/* Alias for USERID */
{"null", SPECIAL(_expand_null)},
/* Empty string. For compatibility. */
{"null", SPECIAL(_expand_null)}
};
static int
@@ -371,31 +401,21 @@ _expand_token(krb5_context context, const char * token, const char * token_end,
if (token[0] != '%' || token[1] != '{' || token_end[0] != '}' ||
token_end - token <= 2) {
if (context)
krb5_set_error_string(context, "Invalid token.");
krb5_set_error_message(context, EINVAL,"Invalid token.");
return EINVAL;
}
for (i=0; i < sizeof(tokens)/sizeof(tokens[0]); i++) {
if (!strncmp(token+2, tokens[i].tok, (token_end - token) - 2))
return tokens[i].exp_func(context, tokens[i].param, tokens[i].postfix, ret);
return tokens[i].exp_func(context, tokens[i].param,
tokens[i].postfix, ret);
}
if (context)
krb5_set_error_string(context, "Invalid token.");
krb5_set_error_message(context, EINVAL, "Invalid token.");
return EINVAL;
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
_krb5_free_path(krb5_context context,
char * path)
{
if (path == NULL)
return EINVAL;
free(path);
return 0;
}
KRB5_LIB_FUNCTION krb5_error_code KRB5_LIB_CALL
_krb5_expand_path_tokens(krb5_context context,
const char *path_in,
@@ -428,7 +448,7 @@ _krb5_expand_path_tokens(krb5_context context,
free(*ppath_out);
*ppath_out = NULL;
if (context)
krb5_set_error_string(context, "variable missing }");
krb5_set_error_message(context, EINVAL, "variable missing }");
return EINVAL;
}
@@ -453,7 +473,7 @@ _krb5_expand_path_tokens(krb5_context context,
free(*ppath_out);
*ppath_out = NULL;
if (context)
krb5_set_error_string(context, "malloc - out of memory");
krb5_set_error_message(context, ENOMEM, "malloc - out of memory");
return ENOMEM;
}
@@ -468,7 +488,7 @@ _krb5_expand_path_tokens(krb5_context context,
free(*ppath_out);
*ppath_out = NULL;
if (context)
krb5_set_error_string(context, "malloc - out of memory");
krb5_set_error_message(context, ENOMEM, "malloc - out of memory");
return ENOMEM;
}
@@ -479,6 +499,7 @@ _krb5_expand_path_tokens(krb5_context context,
}
}
#ifdef _WIN32
/* Also deal with slashes */
if (*ppath_out) {
char * c;
@@ -486,7 +507,7 @@ _krb5_expand_path_tokens(krb5_context context,
if (*c == '/')
*c = '\\';
}
#endif
return 0;
}