wmi-1.3.16 from opsview.com
This commit is contained in:
Are Casilla
@@ -0,0 +1,863 @@
|
||||
/*
|
||||
* Copyright (c) 1997 - 2005 Kungliga Tekniska Högskolan
|
||||
* (Royal Institute of Technology, Stockholm, Sweden).
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
*
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in the
|
||||
* documentation and/or other materials provided with the distribution.
|
||||
*
|
||||
* 3. Neither the name of the Institute nor the names of its contributors
|
||||
* may be used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||||
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||||
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
|
||||
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||||
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||||
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||||
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||||
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||||
* SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
#include "krb5_locl.h"
|
||||
|
||||
RCSID("$Id: cache.c,v 1.82 2006/09/12 17:35:33 lha Exp $");
|
||||
|
||||
/*
|
||||
* Add a new ccache type with operations `ops', overwriting any
|
||||
* existing one if `override'.
|
||||
* Return an error code or 0.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_register(krb5_context context,
|
||||
const krb5_cc_ops *ops,
|
||||
krb5_boolean override)
|
||||
{
|
||||
int i;
|
||||
|
||||
for(i = 0; i < context->num_cc_ops && context->cc_ops[i].prefix; i++) {
|
||||
if(strcmp(context->cc_ops[i].prefix, ops->prefix) == 0) {
|
||||
if(!override) {
|
||||
krb5_set_error_string(context,
|
||||
"ccache type %s already exists",
|
||||
ops->prefix);
|
||||
return KRB5_CC_TYPE_EXISTS;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
if(i == context->num_cc_ops) {
|
||||
krb5_cc_ops *o = realloc(context->cc_ops,
|
||||
(context->num_cc_ops + 1) *
|
||||
sizeof(*context->cc_ops));
|
||||
if(o == NULL) {
|
||||
krb5_set_error_string(context, "malloc: out of memory");
|
||||
return KRB5_CC_NOMEM;
|
||||
}
|
||||
context->num_cc_ops++;
|
||||
context->cc_ops = o;
|
||||
memset(context->cc_ops + i, 0,
|
||||
(context->num_cc_ops - i) * sizeof(*context->cc_ops));
|
||||
}
|
||||
memcpy(&context->cc_ops[i], ops, sizeof(context->cc_ops[i]));
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Allocate the memory for a `id' and the that function table to
|
||||
* `ops'. Returns 0 or and error code.
|
||||
*/
|
||||
|
||||
krb5_error_code
|
||||
_krb5_cc_allocate(krb5_context context,
|
||||
const krb5_cc_ops *ops,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
krb5_ccache p;
|
||||
|
||||
p = malloc (sizeof(*p));
|
||||
if(p == NULL) {
|
||||
krb5_set_error_string(context, "malloc: out of memory");
|
||||
return KRB5_CC_NOMEM;
|
||||
}
|
||||
p->ops = ops;
|
||||
*id = p;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Allocate memory for a new ccache in `id' with operations `ops'
|
||||
* and name `residual'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
static krb5_error_code
|
||||
allocate_ccache (krb5_context context,
|
||||
const krb5_cc_ops *ops,
|
||||
const char *residual,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
|
||||
ret = _krb5_cc_allocate(context, ops, id);
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = (*id)->ops->resolve(context, id, residual);
|
||||
if(ret)
|
||||
free(*id);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Find and allocate a ccache in `id' from the specification in `residual'.
|
||||
* If the ccache name doesn't contain any colon, interpret it as a file name.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_resolve(krb5_context context,
|
||||
const char *name,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
int i;
|
||||
|
||||
for(i = 0; i < context->num_cc_ops && context->cc_ops[i].prefix; i++) {
|
||||
size_t prefix_len = strlen(context->cc_ops[i].prefix);
|
||||
|
||||
if(strncmp(context->cc_ops[i].prefix, name, prefix_len) == 0
|
||||
&& name[prefix_len] == ':') {
|
||||
return allocate_ccache (context, &context->cc_ops[i],
|
||||
name + prefix_len + 1,
|
||||
id);
|
||||
}
|
||||
}
|
||||
if (strchr (name, ':') == NULL)
|
||||
return allocate_ccache (context, &krb5_fcc_ops, name, id);
|
||||
else {
|
||||
krb5_set_error_string(context, "unknown ccache type %s", name);
|
||||
return KRB5_CC_UNKNOWN_TYPE;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Generate a new ccache of type `ops' in `id'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_gen_new(krb5_context context,
|
||||
const krb5_cc_ops *ops,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
|
||||
ret = _krb5_cc_allocate(context, ops, id);
|
||||
if (ret)
|
||||
return ret;
|
||||
return (*id)->ops->gen_new(context, id);
|
||||
}
|
||||
|
||||
/*
|
||||
* Generates a new unique ccache of `type` in `id'. If `type' is NULL,
|
||||
* the library chooses the default credential cache type. The supplied
|
||||
* `hint' (that can be NULL) is a string that the credential cache
|
||||
* type can use to base the name of the credential on, this is to make
|
||||
* its easier for the user to differentiate the credentials.
|
||||
*
|
||||
* Returns 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_new_unique(krb5_context context, const char *type,
|
||||
const char *hint, krb5_ccache *id)
|
||||
{
|
||||
const krb5_cc_ops *ops;
|
||||
|
||||
if (type == NULL)
|
||||
type = KRB5_DEFAULT_CCNAME;
|
||||
|
||||
ops = krb5_cc_get_prefix_ops(context, type);
|
||||
if (ops == NULL) {
|
||||
krb5_set_error_string(context, "Credential cache type %s is unknown",
|
||||
type);
|
||||
return KRB5_CC_UNKNOWN_TYPE;
|
||||
}
|
||||
|
||||
return krb5_cc_gen_new(context, ops, id);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the name of the ccache `id'
|
||||
*/
|
||||
|
||||
const char* KRB5_LIB_FUNCTION
|
||||
krb5_cc_get_name(krb5_context context,
|
||||
krb5_ccache id)
|
||||
{
|
||||
return id->ops->get_name(context, id);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the type of the ccache `id'.
|
||||
*/
|
||||
|
||||
const char* KRB5_LIB_FUNCTION
|
||||
krb5_cc_get_type(krb5_context context,
|
||||
krb5_ccache id)
|
||||
{
|
||||
return id->ops->prefix;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the complete resolvable name the ccache `id' in `str´.
|
||||
* `str` should be freed with free(3).
|
||||
* Returns 0 or an error (and then *str is set to NULL).
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_get_full_name(krb5_context context,
|
||||
krb5_ccache id,
|
||||
char **str)
|
||||
{
|
||||
const char *type, *name;
|
||||
|
||||
*str = NULL;
|
||||
|
||||
type = krb5_cc_get_type(context, id);
|
||||
if (type == NULL) {
|
||||
krb5_set_error_string(context, "cache have no name of type");
|
||||
return KRB5_CC_UNKNOWN_TYPE;
|
||||
}
|
||||
|
||||
name = krb5_cc_get_name(context, id);
|
||||
if (name == NULL) {
|
||||
krb5_set_error_string(context, "cache of type %s have no name", type);
|
||||
return KRB5_CC_BADNAME;
|
||||
}
|
||||
|
||||
if (asprintf(str, "%s:%s", type, name) == -1) {
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
*str = NULL;
|
||||
return ENOMEM;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return krb5_cc_ops of a the ccache `id'.
|
||||
*/
|
||||
|
||||
const krb5_cc_ops *
|
||||
krb5_cc_get_ops(krb5_context context, krb5_ccache id)
|
||||
{
|
||||
return id->ops;
|
||||
}
|
||||
|
||||
/*
|
||||
* Expand variables in `str' into `res'
|
||||
*/
|
||||
|
||||
krb5_error_code
|
||||
_krb5_expand_default_cc_name(krb5_context context, const char *str, char **res)
|
||||
{
|
||||
size_t tlen, len = 0;
|
||||
char *tmp, *tmp2, *append;
|
||||
|
||||
*res = NULL;
|
||||
|
||||
while (str && *str) {
|
||||
tmp = strstr(str, "%{");
|
||||
if (tmp && tmp != str) {
|
||||
append = malloc((tmp - str) + 1);
|
||||
if (append) {
|
||||
memcpy(append, str, tmp - str);
|
||||
append[tmp - str] = '\0';
|
||||
}
|
||||
str = tmp;
|
||||
} else if (tmp) {
|
||||
tmp2 = strchr(tmp, '}');
|
||||
if (tmp2 == NULL) {
|
||||
free(*res);
|
||||
*res = NULL;
|
||||
krb5_set_error_string(context, "variable missing }");
|
||||
return KRB5_CONFIG_BADFORMAT;
|
||||
}
|
||||
if (strncasecmp(tmp, "%{uid}", 6) == 0)
|
||||
asprintf(&append, "%u", (unsigned)getuid());
|
||||
else if (strncasecmp(tmp, "%{null}", 7) == 0)
|
||||
append = strdup("");
|
||||
else {
|
||||
free(*res);
|
||||
*res = NULL;
|
||||
krb5_set_error_string(context,
|
||||
"expand default cache unknown "
|
||||
"variable \"%.*s\"",
|
||||
(int)(tmp2 - tmp) - 2, tmp + 2);
|
||||
return KRB5_CONFIG_BADFORMAT;
|
||||
}
|
||||
str = tmp2 + 1;
|
||||
} else {
|
||||
append = strdup(str);
|
||||
str = NULL;
|
||||
}
|
||||
if (append == NULL) {
|
||||
free(*res);
|
||||
*res = NULL;
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
return ENOMEM;
|
||||
}
|
||||
|
||||
tlen = strlen(append);
|
||||
tmp = realloc(*res, len + tlen + 1);
|
||||
if (tmp == NULL) {
|
||||
free(append);
|
||||
free(*res);
|
||||
*res = NULL;
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
return ENOMEM;
|
||||
}
|
||||
*res = tmp;
|
||||
memcpy(*res + len, append, tlen + 1);
|
||||
len = len + tlen;
|
||||
free(append);
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the default cc name for `context' to `name'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_set_default_name(krb5_context context, const char *name)
|
||||
{
|
||||
krb5_error_code ret = 0;
|
||||
char *p;
|
||||
|
||||
if (name == NULL) {
|
||||
const char *e = NULL;
|
||||
|
||||
if(!issuid()) {
|
||||
e = getenv("KRB5CCNAME");
|
||||
if (e)
|
||||
p = strdup(e);
|
||||
}
|
||||
if (e == NULL) {
|
||||
e = krb5_config_get_string(context, NULL, "libdefaults",
|
||||
"default_cc_name", NULL);
|
||||
if (e == NULL)
|
||||
e = KRB5_DEFAULT_CCNAME;
|
||||
ret = _krb5_expand_default_cc_name(context, e, &p);
|
||||
if (ret)
|
||||
return ret;
|
||||
}
|
||||
} else
|
||||
p = strdup(name);
|
||||
|
||||
if (p == NULL) {
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
return ENOMEM;
|
||||
}
|
||||
|
||||
if (context->default_cc_name)
|
||||
free(context->default_cc_name);
|
||||
|
||||
context->default_cc_name = p;
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return a pointer to a context static string containing the default
|
||||
* ccache name.
|
||||
*/
|
||||
|
||||
const char* KRB5_LIB_FUNCTION
|
||||
krb5_cc_default_name(krb5_context context)
|
||||
{
|
||||
if (context->default_cc_name == NULL)
|
||||
krb5_cc_set_default_name(context, NULL);
|
||||
|
||||
return context->default_cc_name;
|
||||
}
|
||||
|
||||
/*
|
||||
* Open the default ccache in `id'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_default(krb5_context context,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
const char *p = krb5_cc_default_name(context);
|
||||
|
||||
if (p == NULL) {
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
return ENOMEM;
|
||||
}
|
||||
return krb5_cc_resolve(context, p, id);
|
||||
}
|
||||
|
||||
/*
|
||||
* Create a new ccache in `id' for `primary_principal'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_initialize(krb5_context context,
|
||||
krb5_ccache id,
|
||||
krb5_principal primary_principal)
|
||||
{
|
||||
return (*id->ops->init)(context, id, primary_principal);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Remove the ccache `id'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_destroy(krb5_context context,
|
||||
krb5_ccache id)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
|
||||
ret = (*id->ops->destroy)(context, id);
|
||||
krb5_cc_close (context, id);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Stop using the ccache `id' and free the related resources.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_close(krb5_context context,
|
||||
krb5_ccache id)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
ret = (*id->ops->close)(context, id);
|
||||
free(id);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Store `creds' in the ccache `id'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_store_cred(krb5_context context,
|
||||
krb5_ccache id,
|
||||
krb5_creds *creds)
|
||||
{
|
||||
return (*id->ops->store)(context, id, creds);
|
||||
}
|
||||
|
||||
/*
|
||||
* Retrieve the credential identified by `mcreds' (and `whichfields')
|
||||
* from `id' in `creds'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_retrieve_cred(krb5_context context,
|
||||
krb5_ccache id,
|
||||
krb5_flags whichfields,
|
||||
const krb5_creds *mcreds,
|
||||
krb5_creds *creds)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
krb5_cc_cursor cursor;
|
||||
|
||||
if (id->ops->retrieve != NULL) {
|
||||
return (*id->ops->retrieve)(context, id, whichfields,
|
||||
mcreds, creds);
|
||||
}
|
||||
|
||||
krb5_cc_start_seq_get(context, id, &cursor);
|
||||
while((ret = krb5_cc_next_cred(context, id, &cursor, creds)) == 0){
|
||||
if(krb5_compare_creds(context, whichfields, mcreds, creds)){
|
||||
ret = 0;
|
||||
break;
|
||||
}
|
||||
krb5_free_cred_contents (context, creds);
|
||||
}
|
||||
krb5_cc_end_seq_get(context, id, &cursor);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the principal of `id' in `principal'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_get_principal(krb5_context context,
|
||||
krb5_ccache id,
|
||||
krb5_principal *principal)
|
||||
{
|
||||
return (*id->ops->get_princ)(context, id, principal);
|
||||
}
|
||||
|
||||
/*
|
||||
* Start iterating over `id', `cursor' is initialized to the
|
||||
* beginning.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_start_seq_get (krb5_context context,
|
||||
const krb5_ccache id,
|
||||
krb5_cc_cursor *cursor)
|
||||
{
|
||||
return (*id->ops->get_first)(context, id, cursor);
|
||||
}
|
||||
|
||||
/*
|
||||
* Retrieve the next cred pointed to by (`id', `cursor') in `creds'
|
||||
* and advance `cursor'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_next_cred (krb5_context context,
|
||||
const krb5_ccache id,
|
||||
krb5_cc_cursor *cursor,
|
||||
krb5_creds *creds)
|
||||
{
|
||||
return (*id->ops->get_next)(context, id, cursor, creds);
|
||||
}
|
||||
|
||||
/* like krb5_cc_next_cred, but allow for selective retrieval */
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_next_cred_match(krb5_context context,
|
||||
const krb5_ccache id,
|
||||
krb5_cc_cursor * cursor,
|
||||
krb5_creds * creds,
|
||||
krb5_flags whichfields,
|
||||
const krb5_creds * mcreds)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
while (1) {
|
||||
ret = krb5_cc_next_cred(context, id, cursor, creds);
|
||||
if (ret)
|
||||
return ret;
|
||||
if (mcreds == NULL || krb5_compare_creds(context, whichfields, mcreds, creds))
|
||||
return 0;
|
||||
krb5_free_cred_contents(context, creds);
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Destroy the cursor `cursor'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_end_seq_get (krb5_context context,
|
||||
const krb5_ccache id,
|
||||
krb5_cc_cursor *cursor)
|
||||
{
|
||||
return (*id->ops->end_get)(context, id, cursor);
|
||||
}
|
||||
|
||||
/*
|
||||
* Remove the credential identified by `cred', `which' from `id'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_remove_cred(krb5_context context,
|
||||
krb5_ccache id,
|
||||
krb5_flags which,
|
||||
krb5_creds *cred)
|
||||
{
|
||||
if(id->ops->remove_cred == NULL) {
|
||||
krb5_set_error_string(context,
|
||||
"ccache %s does not support remove_cred",
|
||||
id->ops->prefix);
|
||||
return EACCES; /* XXX */
|
||||
}
|
||||
return (*id->ops->remove_cred)(context, id, which, cred);
|
||||
}
|
||||
|
||||
/*
|
||||
* Set the flags of `id' to `flags'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_set_flags(krb5_context context,
|
||||
krb5_ccache id,
|
||||
krb5_flags flags)
|
||||
{
|
||||
return (*id->ops->set_flags)(context, id, flags);
|
||||
}
|
||||
|
||||
/*
|
||||
* Copy the contents of `from' to `to'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_copy_cache_match(krb5_context context,
|
||||
const krb5_ccache from,
|
||||
krb5_ccache to,
|
||||
krb5_flags whichfields,
|
||||
const krb5_creds * mcreds,
|
||||
unsigned int *matched)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
krb5_cc_cursor cursor;
|
||||
krb5_creds cred;
|
||||
krb5_principal princ;
|
||||
|
||||
ret = krb5_cc_get_principal(context, from, &princ);
|
||||
if (ret)
|
||||
return ret;
|
||||
ret = krb5_cc_initialize(context, to, princ);
|
||||
if (ret) {
|
||||
krb5_free_principal(context, princ);
|
||||
return ret;
|
||||
}
|
||||
ret = krb5_cc_start_seq_get(context, from, &cursor);
|
||||
if (ret) {
|
||||
krb5_free_principal(context, princ);
|
||||
return ret;
|
||||
}
|
||||
if (matched)
|
||||
*matched = 0;
|
||||
while (ret == 0 &&
|
||||
krb5_cc_next_cred_match(context, from, &cursor, &cred,
|
||||
whichfields, mcreds) == 0) {
|
||||
if (matched)
|
||||
(*matched)++;
|
||||
ret = krb5_cc_store_cred(context, to, &cred);
|
||||
krb5_free_cred_contents(context, &cred);
|
||||
}
|
||||
krb5_cc_end_seq_get(context, from, &cursor);
|
||||
krb5_free_principal(context, princ);
|
||||
return ret;
|
||||
}
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_copy_cache(krb5_context context,
|
||||
const krb5_ccache from,
|
||||
krb5_ccache to)
|
||||
{
|
||||
return krb5_cc_copy_cache_match(context, from, to, 0, NULL, NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Return the version of `id'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_get_version(krb5_context context,
|
||||
const krb5_ccache id)
|
||||
{
|
||||
if(id->ops->get_version)
|
||||
return (*id->ops->get_version)(context, id);
|
||||
else
|
||||
return 0;
|
||||
}
|
||||
|
||||
/*
|
||||
* Clear `mcreds' so it can be used with krb5_cc_retrieve_cred
|
||||
*/
|
||||
|
||||
void KRB5_LIB_FUNCTION
|
||||
krb5_cc_clear_mcred(krb5_creds *mcred)
|
||||
{
|
||||
memset(mcred, 0, sizeof(*mcred));
|
||||
}
|
||||
|
||||
/*
|
||||
* Get the cc ops that is registered in `context' to handle the
|
||||
* `prefix'. `prefix' can be a complete credential cache name or a
|
||||
* prefix, the function will only use part up to the first colon (:)
|
||||
* if there is one. Returns NULL if ops not found.
|
||||
*/
|
||||
|
||||
const krb5_cc_ops *
|
||||
krb5_cc_get_prefix_ops(krb5_context context, const char *prefix)
|
||||
{
|
||||
char *p, *p1;
|
||||
int i;
|
||||
|
||||
if (prefix[0] == '/')
|
||||
return &krb5_fcc_ops;
|
||||
|
||||
p = strdup(prefix);
|
||||
if (p == NULL) {
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
return NULL;
|
||||
}
|
||||
p1 = strchr(p, ':');
|
||||
if (p1)
|
||||
*p1 = '\0';
|
||||
|
||||
for(i = 0; i < context->num_cc_ops && context->cc_ops[i].prefix; i++) {
|
||||
if(strcmp(context->cc_ops[i].prefix, p) == 0) {
|
||||
free(p);
|
||||
return &context->cc_ops[i];
|
||||
}
|
||||
}
|
||||
free(p);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
struct krb5_cc_cache_cursor_data {
|
||||
const krb5_cc_ops *ops;
|
||||
krb5_cc_cursor cursor;
|
||||
};
|
||||
|
||||
/*
|
||||
* Start iterating over all caches of `type'. If `type' is NULL, the
|
||||
* default type is * used. `cursor' is initialized to the beginning.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_cache_get_first (krb5_context context,
|
||||
const char *type,
|
||||
krb5_cc_cache_cursor *cursor)
|
||||
{
|
||||
const krb5_cc_ops *ops;
|
||||
krb5_error_code ret;
|
||||
|
||||
if (type == NULL)
|
||||
type = krb5_cc_default_name(context);
|
||||
|
||||
ops = krb5_cc_get_prefix_ops(context, type);
|
||||
if (ops == NULL) {
|
||||
krb5_set_error_string(context, "Unknown type \"%s\" when iterating "
|
||||
"trying to iterate the credential caches", type);
|
||||
return KRB5_CC_UNKNOWN_TYPE;
|
||||
}
|
||||
|
||||
if (ops->get_cache_first == NULL) {
|
||||
krb5_set_error_string(context, "Credential cache type %s doesn't support "
|
||||
"iterations over caches", ops->prefix);
|
||||
return KRB5_CC_NOSUPP;
|
||||
}
|
||||
|
||||
*cursor = calloc(1, sizeof(**cursor));
|
||||
if (*cursor == NULL) {
|
||||
krb5_set_error_string(context, "malloc - out of memory");
|
||||
return ENOMEM;
|
||||
}
|
||||
|
||||
(*cursor)->ops = ops;
|
||||
|
||||
ret = ops->get_cache_first(context, &(*cursor)->cursor);
|
||||
if (ret) {
|
||||
free(*cursor);
|
||||
*cursor = NULL;
|
||||
}
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Retrieve the next cache pointed to by (`cursor') in `id'
|
||||
* and advance `cursor'.
|
||||
* Return 0 or an error code.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_cache_next (krb5_context context,
|
||||
krb5_cc_cache_cursor cursor,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
return cursor->ops->get_cache_next(context, cursor->cursor, id);
|
||||
}
|
||||
|
||||
/*
|
||||
* Destroy the cursor `cursor'.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_cache_end_seq_get (krb5_context context,
|
||||
krb5_cc_cache_cursor cursor)
|
||||
{
|
||||
krb5_error_code ret;
|
||||
ret = cursor->ops->end_cache_get(context, cursor->cursor);
|
||||
cursor->ops = NULL;
|
||||
free(cursor);
|
||||
return ret;
|
||||
}
|
||||
|
||||
/*
|
||||
* Search for a matching credential cache of type `type' that have the
|
||||
* `principal' as the default principal. If NULL is used for `type',
|
||||
* the default type is used. On success, `id' needs to be freed with
|
||||
* krb5_cc_close or krb5_cc_destroy. On failure, error code is
|
||||
* returned and `id' is set to NULL.
|
||||
*/
|
||||
|
||||
krb5_error_code KRB5_LIB_FUNCTION
|
||||
krb5_cc_cache_match (krb5_context context,
|
||||
krb5_principal client,
|
||||
const char *type,
|
||||
krb5_ccache *id)
|
||||
{
|
||||
krb5_cc_cache_cursor cursor;
|
||||
krb5_error_code ret;
|
||||
krb5_ccache cache = NULL;
|
||||
|
||||
*id = NULL;
|
||||
|
||||
ret = krb5_cc_cache_get_first (context, type, &cursor);
|
||||
if (ret)
|
||||
return ret;
|
||||
|
||||
while ((ret = krb5_cc_cache_next (context, cursor, &cache)) == 0) {
|
||||
krb5_principal principal;
|
||||
|
||||
ret = krb5_cc_get_principal(context, cache, &principal);
|
||||
if (ret == 0) {
|
||||
krb5_boolean match;
|
||||
|
||||
match = krb5_principal_compare(context, principal, client);
|
||||
krb5_free_principal(context, principal);
|
||||
if (match)
|
||||
break;
|
||||
}
|
||||
|
||||
krb5_cc_close(context, cache);
|
||||
cache = NULL;
|
||||
}
|
||||
|
||||
krb5_cc_cache_end_seq_get(context, cursor);
|
||||
|
||||
if (cache == NULL) {
|
||||
char *str;
|
||||
|
||||
krb5_unparse_name(context, client, &str);
|
||||
|
||||
krb5_set_error_string(context, "Principal %s not found in a "
|
||||
"credential cache", str ? str : "<out of memory>");
|
||||
if (str)
|
||||
free(str);
|
||||
return KRB5_CC_NOTFOUND;
|
||||
}
|
||||
*id = cache;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user