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/*-------------------------------------------------------------------------
*
* oauth-utils.h
*
* Definitions providing missing libpq internal APIs
*
* Portions Copyright (c) 1996-2025, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/interfaces/libpq-oauth/oauth-utils.h
*
*-------------------------------------------------------------------------
*/
#ifndef OAUTH_UTILS_H
#define OAUTH_UTILS_H
#include "fe-auth-oauth.h"
#include "libpq-fe.h"
#include "pqexpbuffer.h"
/*
* A bank of callbacks to safely access members of PGconn, which are all passed
* to libpq_oauth_init() by libpq.
*
* Keep these aligned with the definitions in fe-auth-oauth.c as well as the
* static declarations in oauth-curl.c.
*/
#define DECLARE_GETTER(TYPE, MEMBER) \
typedef TYPE (*conn_ ## MEMBER ## _func) (PGconn *conn); \
extern conn_ ## MEMBER ## _func conn_ ## MEMBER;
#define DECLARE_SETTER(TYPE, MEMBER) \
typedef void (*set_conn_ ## MEMBER ## _func) (PGconn *conn, TYPE val); \
extern set_conn_ ## MEMBER ## _func set_conn_ ## MEMBER;
DECLARE_GETTER(PQExpBuffer, errorMessage);
DECLARE_GETTER(char *, oauth_client_id);
DECLARE_GETTER(char *, oauth_client_secret);
DECLARE_GETTER(char *, oauth_discovery_uri);
DECLARE_GETTER(char *, oauth_issuer_id);
DECLARE_GETTER(char *, oauth_scope);
DECLARE_GETTER(fe_oauth_state *, sasl_state);
DECLARE_SETTER(pgsocket, altsock);
DECLARE_SETTER(char *, oauth_token);
#undef DECLARE_GETTER
#undef DECLARE_SETTER
typedef char *(*libpq_gettext_func) (const char *msgid);
/* Initializes libpq-oauth. */
extern PGDLLEXPORT void libpq_oauth_init(pgthreadlock_t threadlock,
libpq_gettext_func gettext_impl,
conn_errorMessage_func errmsg_impl,
conn_oauth_client_id_func clientid_impl,
conn_oauth_client_secret_func clientsecret_impl,
conn_oauth_discovery_uri_func discoveryuri_impl,
conn_oauth_issuer_id_func issuerid_impl,
conn_oauth_scope_func scope_impl,
conn_sasl_state_func saslstate_impl,
set_conn_altsock_func setaltsock_impl,
set_conn_oauth_token_func settoken_impl);
/*
* Duplicated APIs, copied from libpq (primarily libpq-int.h, which we cannot
* depend on here).
*/
typedef enum
{
PG_BOOL_UNKNOWN = 0, /* Currently unknown */
PG_BOOL_YES, /* Yes (true) */
PG_BOOL_NO /* No (false) */
} PGTernaryBool;
extern void libpq_append_conn_error(PGconn *conn, const char *fmt,...) pg_attribute_printf(2, 3);
extern bool oauth_unsafe_debugging_enabled(void);
extern int pq_block_sigpipe(sigset_t *osigset, bool *sigpipe_pending);
extern void pq_reset_sigpipe(sigset_t *osigset, bool sigpipe_pending, bool got_epipe);
#ifdef ENABLE_NLS
extern char *libpq_gettext(const char *msgid) pg_attribute_format_arg(1);
#else
#define libpq_gettext(x) (x)
#endif
extern pgthreadlock_t pg_g_threadlock;
#define pglock_thread() pg_g_threadlock(true)
#define pgunlock_thread() pg_g_threadlock(false)
#endif /* OAUTH_UTILS_H */
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