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/* ISC license. */
#ifndef PAMELA_H
#define PAMELA_H
#ifdef __cplusplus
extern "C" {
#endif
#include <sys/types.h>
#include <stdint.h>
#include <sys/uio.h>
#include <skalibs/stralloc.h>
#include <skalibs/textmessage.h>
#include <pamela/common.h>
/* pam_fail_delay */
typedef void pamela_pam_delay_func_t (int, unsigned int, void *) ;
typedef pamela_pam_delay_func_t *pamela_pam_delay_func_t_ref ;
/* Conversations */
typedef struct pamela_pam_message_s pamela_pam_message_t, *pamela_pam_message_t_ref ;
struct pamela_pam_message_s
{
int msg_style ;
char const *msg ;
} ;
typedef struct pamela_pam_response_s pamela_pam_response_t, *pamela_pam_response_t_ref ;
struct pamela_pam_response_s
{
char *resp ;
int *resp_retcode ;
} ;
extern void pamela_pam_response_free (pamela_pam_response_t *, uint32_t) ;
typedef int pamela_pam_conv_func_t (int, pamela_pam_message_t const **, pamela_pam_response_t **, void *) ;
typedef pamela_pam_conv_func_t *pamela_pam_conv_func_t_ref ;
/* Client handle */
typedef struct pamela_s pamela_t, *pamela_t_ref ;
struct pamela_s
{
textmessage_receiver_t in ;
textmessage_sender_t out ;
pid_t pid ;
pamela_pam_delay_func_t_ref delayfn ;
pamela_pam_conv_func_t_ref convfn ;
void *aux ;
char inbuf[PAMELA_BUFSIZE] ;
} ;
#define PAMELA_ZERO { TEXTMESSAGE_RECEIVER_ZERO, TEXTMESSAGE_SENDER_ZERO, 0, 0, 0, 0, "" }
extern pamela_t const pamela_zero ;
/* User-facing functions */
extern int pamela_startf (pamela_t *, char const *, char const *, pamela_pam_conv_func_t_ref, void *) ;
extern void pamela_end (pamela_t *) ;
extern int pamela_strerror (pamela_t *, unsigned char, stralloc *) ;
extern int pamela_getenvlist (pamela_t *, stralloc *) ;
extern int pamela_get_item (pamela_t *, unsigned char, stralloc *) ;
extern int pamela_set_item (pamela_t *, unsigned char, char const *) ;
extern int pamela_set_itemv (pamela_t *, unsigned char, struct iovec const *, unsigned int) ;
extern int pamela_op (pamela_t *, unsigned char, int) ;
#ifdef __cplusplus
}
#endif
#endif
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