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Annotation of embedaddon/sudo/plugins/sudoers/auth/sudo_auth.h, revision 1.1

1.1     ! misho       1: /*
        !             2:  * Copyright (c) 1999-2005, 2007-2010 Todd C. Miller <Todd.Miller@courtesan.com>
        !             3:  *
        !             4:  * Permission to use, copy, modify, and distribute this software for any
        !             5:  * purpose with or without fee is hereby granted, provided that the above
        !             6:  * copyright notice and this permission notice appear in all copies.
        !             7:  *
        !             8:  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
        !             9:  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
        !            10:  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
        !            11:  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
        !            12:  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
        !            13:  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
        !            14:  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
        !            15:  */
        !            16: 
        !            17: #ifndef SUDO_AUTH_H
        !            18: #define SUDO_AUTH_H
        !            19: 
        !            20: /* Auth function return values.  */
        !            21: #define AUTH_SUCCESS   0
        !            22: #define AUTH_FAILURE   1
        !            23: #define AUTH_INTR      2
        !            24: #define AUTH_FATAL     3
        !            25: 
        !            26: typedef struct sudo_auth {
        !            27:     int flags;                 /* various flags, see below */
        !            28:     int status;                        /* status from verify routine */
        !            29:     char *name;                        /* name of the method as a string */
        !            30:     void *data;                        /* method-specific data pointer */
        !            31:     int (*init)(struct passwd *pw, struct sudo_auth *auth);
        !            32:     int (*setup)(struct passwd *pw, char **prompt, struct sudo_auth *auth);
        !            33:     int (*verify)(struct passwd *pw, char *p, struct sudo_auth *auth);
        !            34:     int (*cleanup)(struct passwd *pw, struct sudo_auth *auth);
        !            35:     int (*begin_session)(struct passwd *pw, struct sudo_auth *auth);
        !            36:     int (*end_session)(struct passwd *pw, struct sudo_auth *auth);
        !            37: } sudo_auth;
        !            38: 
        !            39: /* Values for sudo_auth.flags.  */
        !            40: #define FLAG_USER      0x01    /* functions must run as the user, not root */
        !            41: #define FLAG_DISABLED  0x02    /* method disabled */
        !            42: #define FLAG_STANDALONE        0x04    /* standalone auth method */
        !            43: #define FLAG_ONEANDONLY        0x08    /* one and only auth method */
        !            44: 
        !            45: /* Shortcuts for using the flags above. */
        !            46: #define NEEDS_USER(x)          ((x)->flags & FLAG_USER)
        !            47: #define IS_DISABLED(x)         ((x)->flags & FLAG_DISABLED)
        !            48: #define IS_STANDALONE(x)       ((x)->flags & FLAG_STANDALONE)
        !            49: #define IS_ONEANDONLY(x)       ((x)->flags & FLAG_ONEANDONLY)
        !            50: 
        !            51: /* Like tgetpass() but uses conversation function */
        !            52: char *auth_getpass(const char *prompt, int timeout, int type);
        !            53: 
        !            54: /* Pointer to conversation function to use with auth_getpass(). */
        !            55: extern sudo_conv_t sudo_conv;
        !            56: 
        !            57: /* Prototypes for standalone methods */
        !            58: int fwtk_init(struct passwd *pw, sudo_auth *auth);
        !            59: int fwtk_verify(struct passwd *pw, char *prompt, sudo_auth *auth);
        !            60: int fwtk_cleanup(struct passwd *pw, sudo_auth *auth);
        !            61: int pam_init(struct passwd *pw, sudo_auth *auth);
        !            62: int pam_verify(struct passwd *pw, char *prompt, sudo_auth *auth);
        !            63: int pam_cleanup(struct passwd *pw, sudo_auth *auth);
        !            64: int pam_begin_session(struct passwd *pw, sudo_auth *auth);
        !            65: int pam_end_session(struct passwd *pw, sudo_auth *auth);
        !            66: int sia_setup(struct passwd *pw, char **prompt, sudo_auth *auth);
        !            67: int sia_verify(struct passwd *pw, char *prompt, sudo_auth *auth);
        !            68: int sia_cleanup(struct passwd *pw, sudo_auth *auth);
        !            69: int aixauth_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            70: int aixauth_cleanup(struct passwd *pw, sudo_auth *auth);
        !            71: int bsdauth_init(struct passwd *pw, sudo_auth *auth);
        !            72: int bsdauth_verify(struct passwd *pw, char *prompt, sudo_auth *auth);
        !            73: int bsdauth_cleanup(struct passwd *pw, sudo_auth *auth);
        !            74: 
        !            75: /* Prototypes for normal methods */
        !            76: int passwd_init(struct passwd *pw, sudo_auth *auth);
        !            77: int passwd_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            78: int passwd_cleanup(struct passwd *pw, sudo_auth *auth);
        !            79: int secureware_init(struct passwd *pw, sudo_auth *auth);
        !            80: int secureware_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            81: int secureware_cleanup(struct passwd *pw, sudo_auth *auth);
        !            82: int rfc1938_setup(struct passwd *pw, char **prompt, sudo_auth *auth);
        !            83: int rfc1938_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            84: int afs_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            85: int dce_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            86: int kerb4_init(struct passwd *pw, sudo_auth *auth);
        !            87: int kerb4_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            88: int kerb5_init(struct passwd *pw, sudo_auth *auth);
        !            89: int kerb5_setup(struct passwd *pw, char **prompt, sudo_auth *auth);
        !            90: int kerb5_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            91: int kerb5_cleanup(struct passwd *pw, sudo_auth *auth);
        !            92: int securid_init(struct passwd *pw, sudo_auth *auth);
        !            93: int securid_setup(struct passwd *pw, char **prompt, sudo_auth *auth);
        !            94: int securid_verify(struct passwd *pw, char *pass, sudo_auth *auth);
        !            95: 
        !            96: /* Fields: name, flags, init, setup, verify, cleanup, begin_sess, end_sess */
        !            97: #define AUTH_ENTRY(n, f, i, s, v, c, b, e) \
        !            98:        { (f), AUTH_FAILURE, (n), NULL, (i), (s), (v), (c) , (b), (e) },
        !            99: 
        !           100: #endif /* SUDO_AUTH_H */