src/auth/db-checkpassword.h

	db-checkpassword.h revision 51821162b1df9a8a9398b8b64ceca410b9cc3092
#ifndef CHECKPASSWORD_COMMON_H
#define CHECKPASSWORD_COMMON_H

#include "auth-request.h"
#include "lib-signals.h"
#include "buffer.h"
#include "str.h"
#include "ioloop.h"
#include "hash.h"
#include "env-util.h"
#include "safe-memset.h"
#include "child-wait.h"

#include <stdlib.h>
#include <unistd.h>
#include <sys/wait.h>


struct chkpw_auth_request {
    int fd_out, fd_in;
    struct io *io_out, *io_in;
    pid_t pid;

    string_t *input_buf;
    char *password;
    unsigned int write_pos;

    struct auth_request *request;
    void *callback;
    void (*half_finish_callback)();
    void (*finish_callback)();
        int internal_failure_code;

    int exit_status;
    unsigned int exited:1;
};

enum checkpassword_sigchld_handler_result {
    SIGCHLD_RESULT_UNKNOWN_CHILD = -1,
    SIGCHLD_RESULT_DEAD_CHILD = -2,
    SIGCHLD_RESULT_UNKNOWN_ERROR = -3,
    SIGCHLD_RESULT_OK = 1,
};


void checkpassword_request_free(struct chkpw_auth_request *request);
enum checkpassword_sigchld_handler_result
checkpassword_sigchld_handler(const struct child_wait_status *child_wait_status,
                  struct chkpw_auth_request *request);
void checkpassword_setup_env(struct auth_request *request);
const char *
checkpassword_get_cmd(struct auth_request *request, const char *args,
              const char *checkpassword_reply_path);

void checkpassword_child_input(struct chkpw_auth_request *request);
void checkpassword_child_output(struct chkpw_auth_request *request);

#endif