/* Copyright (C) 2011 the GSS-PROXY contributors, see COPYING for license */
#ifndef _GP_COMMON_H_
#define _GP_COMMON_H_
#include "config.h"
#include "gp_debug.h"
#include "gp_log.h"
#define no_const(ptr) ((void *)((uintptr_t)(ptr)))
#define UNUSED __attribute__((unused))
/* add element to list head */
#define LIST_ADD(list, elem) do { \
elem->prev = NULL; \
elem->next = list; \
if (list) { \
list->prev = elem; \
} \
list = elem; \
} while (0)
/* remove element from list */
#define LIST_DEL(list, elem) do { \
if (elem->next) { \
elem->next->prev = elem->prev; \
} \
if (elem->prev) { \
elem->prev->next = elem->next; \
} \
if (list == elem) { \
list = elem->next; \
} \
elem->prev = NULL; \
elem->next = NULL; \
} while (0)
#define safefree(ptr) do { \
free(no_const(ptr)); \
ptr = NULL; \
} while(0)
/* max out at 1MB for now */
#define MAX_RPC_SIZE 1024*1024
bool gp_same(const char *a, const char *b);
bool gp_boolean_is_true(const char *s);
char *gp_getenv(const char *name);
ssize_t gp_safe_read(int fd, void *buf, size_t count);
ssize_t gp_safe_write(int fd, const void *buf, size_t count);
/* NOTE: read the note in gp_util.c before using gp_strerror() */
char *gp_strerror(int errnum);
#include "rpcgen/gss_proxy.h"
union gp_rpc_arg {
gssx_arg_release_handle release_handle;
gssx_arg_indicate_mechs indicate_mechs;
gssx_arg_import_and_canon_name import_and_canon_name;
gssx_arg_get_call_context get_call_context;
gssx_arg_acquire_cred acquire_cred;
gssx_arg_export_cred export_cred;
gssx_arg_import_cred import_cred;
gssx_arg_store_cred store_cred;
gssx_arg_init_sec_context init_sec_context;
gssx_arg_accept_sec_context accept_sec_context;
gssx_arg_get_mic get_mic;
gssx_arg_verify_mic verify_mic;
gssx_arg_wrap wrap;
gssx_arg_unwrap unwrap;
gssx_arg_wrap_size_limit wrap_size_limit;
};
union gp_rpc_res {
gssx_res_release_handle release_handle;
gssx_res_indicate_mechs indicate_mechs;
gssx_res_import_and_canon_name import_and_canon_name;
gssx_res_get_call_context get_call_context;
gssx_res_acquire_cred acquire_cred;
gssx_res_export_cred export_cred;
gssx_res_import_cred import_cred;
gssx_res_store_cred store_cred;
gssx_res_init_sec_context init_sec_context;
gssx_res_accept_sec_context accept_sec_context;
gssx_res_get_mic get_mic;
gssx_res_verify_mic verify_mic;
gssx_res_wrap wrap;
gssx_res_unwrap unwrap;
gssx_res_wrap_size_limit wrap_size_limit;
};
#define gpopt_string_match(buf, val, len) \
(len == (buf)->octet_string_len && \
strncmp((val), (buf)->octet_string_val, \
(buf)->octet_string_len) == 0)
#define gp_option_name_match(opt, val, len) \
gpopt_string_match(&((opt)->option), val, len)
#define gp_option_value_match(opt, val, len) \
gpopt_string_match(&((opt)->value), val, len)
#define gp_options_find(res, opts, name, len) \
do { \
struct gssx_option *_v; \
res = NULL; \
for (unsigned _o = 0; _o < opts.options_len; _o++) { \
_v = &opts.options_val[_o]; \
if (gp_option_name_match(_v, name, len)) { \
res = _v; \
break; \
} \
} \
} while(0)
#define ACQUIRE_TYPE_OPTION "acquire_type"
#define ACQUIRE_IMPERSONATE_NAME "impersonate_name"
#define CRED_SYNC_OPTION "sync_modified_creds"
#define CRED_SYNC_DEFAULT "default"
#define CRED_SYNC_PAYLOAD "sync_creds"
#define GPKRB_MAX_CRED_SIZE 1024 * 512
uint32_t gp_add_option(gssx_option **options_val, u_int *options_len,
const void *option, size_t option_len,
const void *value, size_t value_len);
#endif /* _GP_COMMON_H_ */