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Annotation of embedaddon/sudo/plugins/sudoers/auth/sudo_auth.h, revision 1.1.1.1

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 */