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Windows: Add an API for reading a multistring from registry

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The _krb5_parse_reg_value_as_string() used to concatenate
multi-strings using a space to be compatible with
krb5_config_get_strings() and friends.  Add a new function that can
read a multi-string with an arbitrary delimiter character
_krb5_parse_reg_value_as_multi_string().
This commit is contained in:
Asanka C. Herath
2010-11-12 11:36:27 -05:00
parent d3582b56c6
commit 809eccb682
2 changed files with 25 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

27
lib/krb5/config_reg.c
View File

@@ -40,6 +40,20 @@
/**
* Parse a registry value as a string
*
* @see _krb5_parse_reg_value_as_multi_string()
*/
char *
_krb5_parse_reg_value_as_string(krb5_context context,
HKEY key, const char * valuename,
DWORD type, DWORD cb_data)
{
return _krb5_parse_reg_value_as_multi_string(context, key, valuename,
type, cb_data, " ");
}
/**
* Parse a registry value as a multi string
*
* The following registry value types are handled:
*
* - REG_DWORD: The decimal string representation is used as the
@@ -50,14 +64,15 @@
* - REG_EXPAND_SZ: Environment variables in the string are expanded
* and the result is used as the value.
*
* - REG_MULTI_SZ: The list of strings is concatenated using a ' ' as
* a separator. No quoting is performed.
* - REG_MULTI_SZ: The list of strings is concatenated using the
* separator. No quoting is performed.
*
* Any other value type is rejected.
*
* @param [in]valuename Name of the registry value to be queried
* @param [in]type Type of the value. REG_NONE if unknown
* @param [in]cbdata Size of value. 0 if unknown.
* @param [in]separator Separator character for concatenating strings.
*
* @a type and @a cbdata are only considered valid if both are
* specified.
@@ -67,9 +82,9 @@
* krb5_set_error_message().
*/
char *
_krb5_parse_reg_value_as_string(krb5_context context,
HKEY key, const char * valuename,
DWORD type, DWORD cb_data)
_krb5_parse_reg_value_as_multi_string(krb5_context context,
HKEY key, const char * valuename,
DWORD type, DWORD cb_data, char *separator)
{
LONG rcode = ERROR_MORE_DATA;
DWORD cb_alloc;
@@ -242,7 +257,7 @@ have_data:
iter += len;
if (iter[1] != '\0')
*iter++ = ' ';
*iter++ = *separator;
else
break;
}

8
lib/krb5/context.c
View File

@@ -760,8 +760,8 @@ _krb5_get_default_config_config_files_from_registry()
rcode = RegOpenKeyEx(HKEY_CURRENT_USER, KeyName, 0, KEY_READ, &key);
if (rcode == ERROR_SUCCESS) {
config_file = _krb5_parse_reg_value_as_string(NULL, key, "config",
REG_NONE, 0);
config_file = _krb5_parse_reg_value_as_multi_string(NULL, key, "config",
REG_NONE, 0, PATH_SEP);
RegCloseKey(key);
}
@@ -770,8 +770,8 @@ _krb5_get_default_config_config_files_from_registry()
rcode = RegOpenKeyEx(HKEY_LOCAL_MACHINE, KeyName, 0, KEY_READ, &key);
if (rcode == ERROR_SUCCESS) {
config_file = _krb5_parse_reg_value_as_string(NULL, key, "config",
REG_NONE, 0);
config_file = _krb5_parse_reg_value_as_multi_string(NULL, key, "config",
REG_NONE, 0, PATH_SEP);
RegCloseKey(key);
}