curvetun_mgmt_users.h

   1 #ifndef CT_USERMGMT_H
   2 #define CT_USERMGMT_H
   3
   4 #include <stdint.h>
   5
   6 #include "curve.h"
   7 #include "crypto_hash_sha512.h"
   8
   9 enum is_user_enum {
  10         USERNAMES_OK = 0,       /* Usernames match, valid 'token' */
  11         USERNAMES_NE,           /* Usernames do not match */
  12         USERNAMES_TS,           /* Usernames match, but 'token' invalid,
  13                                    Drop connection here */
  14         USERNAMES_ERR,
  15 };
  16
  17 struct username_struct {
  18         uint32_t salt;
  19         uint8_t hash[crypto_hash_sha512_BYTES];
  20 };
  21
  22 extern int username_msg(char *username, size_t len, char *dst, size_t dlen);
  23 extern enum is_user_enum username_msg_is_user(char *src, size_t slen,
  24                                               char *username, size_t len);
  25 extern void parse_userfile_and_generate_user_store_or_die(char *homedir);
  26 extern void dump_user_store(void);
  27 extern void destroy_user_store(void);
  28
  29 extern int get_user_by_socket(int sock, struct curve25519_proto **proto);
  30 extern int get_user_by_sockaddr(struct sockaddr_storage *sa, size_t sa_len,
  31                                 struct curve25519_proto **proto);
  32 extern int try_register_user_by_socket(struct curve25519_struct *c,
  33                                        char *src, size_t slen, int sock,
  34                                        int log);
  35 extern int try_register_user_by_sockaddr(struct curve25519_struct *c,
  36                                          char *src, size_t slen,
  37                                          struct sockaddr_storage *sa,
  38                                          size_t sa_len, int log);
  39 extern void remove_user_by_socket(int sock);
  40 extern void remove_user_by_sockaddr(struct sockaddr_storage *sa,
  41                                     size_t sa_len);
  42
  43 #endif /* CT_USERMGMT_H */