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Diffstat (limited to '')
| -rw-r--r-- | plugins/sudoers/auth/sudo_auth.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/plugins/sudoers/auth/sudo_auth.h b/plugins/sudoers/auth/sudo_auth.h new file mode 100644 index 0000000..bcb248a --- /dev/null +++ b/plugins/sudoers/auth/sudo_auth.h @@ -0,0 +1,106 @@ +/* + * SPDX-License-Identifier: ISC + * + * Copyright (c) 1999-2005, 2007-2016, 2018 Todd C. Miller <Todd.Miller@sudo.ws> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef SUDO_AUTH_H +#define SUDO_AUTH_H + +/* Private auth function return values (rowhammer resistant). */ +#define AUTH_INTR 0x69d61fc8 /* 1101001110101100001111111001000 */ +#define AUTH_NONINTERACTIVE 0x1629e037 /* 0010110001010011110000000110111 */ + +struct sudoers_context; +typedef struct sudo_auth { + unsigned int flags; /* various flags, see below */ + int status; /* status from verify routine */ + const char *name; /* name of the method as a string */ + void *data; /* method-specific data pointer */ + int (*init)(const struct sudoers_context *ctx, struct passwd *pw, struct sudo_auth *auth); + int (*setup)(const struct sudoers_context *ctx, struct passwd *pw, char **prompt, struct sudo_auth *auth); + int (*verify)(const struct sudoers_context *ctx, struct passwd *pw, const char *p, struct sudo_auth *auth, struct sudo_conv_callback *callback); + int (*approval)(const struct sudoers_context *ctx, struct passwd *pw, struct sudo_auth *auth, bool exempt); + int (*cleanup)(const struct sudoers_context *ctx, struct passwd *pw, struct sudo_auth *auth, bool force); + int (*begin_session)(const struct sudoers_context *ctx, struct passwd *pw, char **user_env[], struct sudo_auth *auth); + int (*end_session)(struct sudo_auth *auth); +} sudo_auth; + +/* Values for sudo_auth.flags. */ +#define FLAG_DISABLED 0x02U /* method disabled */ +#define FLAG_STANDALONE 0x04U /* standalone auth method */ +#define FLAG_ONEANDONLY 0x08U /* one and only auth method */ +#define FLAG_NONINTERACTIVE 0x10U /* no user input allowed */ + +/* Shortcuts for using the flags above. */ +#define IS_DISABLED(x) ((x)->flags & FLAG_DISABLED) +#define IS_STANDALONE(x) ((x)->flags & FLAG_STANDALONE) +#define IS_ONEANDONLY(x) ((x)->flags & FLAG_ONEANDONLY) +#define IS_NONINTERACTIVE(x) ((x)->flags & FLAG_NONINTERACTIVE) + +/* Like tgetpass() but uses conversation function */ +char *auth_getpass(const char *prompt, int type, struct sudo_conv_callback *callback); + +/* Pointer to conversation function to use with auth_getpass(). */ +extern sudo_conv_t sudo_conv; + +/* Prototypes for standalone methods */ +int bsdauth_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int bsdauth_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *prompt, sudo_auth *auth, struct sudo_conv_callback *callback); +int bsdauth_approval(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool exempt); +int bsdauth_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +void bsdauth_set_style(const char *style); +int sudo_aix_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_aix_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_aix_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +int sudo_fwtk_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_fwtk_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *prompt, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_fwtk_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +int sudo_pam_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_pam_init_quiet(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_pam_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *prompt, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_pam_approval(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool exempt); +int sudo_pam_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +int sudo_pam_begin_session(const struct sudoers_context *ctx, struct passwd *pw, char **user_env[], sudo_auth *auth); +int sudo_pam_end_session(sudo_auth *auth); +int sudo_securid_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_securid_setup(const struct sudoers_context *ctx, struct passwd *pw, char **prompt, sudo_auth *auth); +int sudo_securid_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_sia_setup(const struct sudoers_context *ctx, struct passwd *pw, char **prompt, sudo_auth *auth); +int sudo_sia_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *prompt, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_sia_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +int sudo_sia_begin_session(const struct sudoers_context *ctx, struct passwd *pw, char **user_env[], sudo_auth *auth); + +/* Prototypes for normal methods */ +int sudo_afs_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_dce_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_krb5_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_krb5_setup(const struct sudoers_context *ctx, struct passwd *pw, char **prompt, sudo_auth *auth); +int sudo_krb5_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_krb5_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +int sudo_passwd_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_passwd_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_passwd_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); +int sudo_rfc1938_setup(const struct sudoers_context *ctx, struct passwd *pw, char **prompt, sudo_auth *auth); +int sudo_rfc1938_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_secureware_init(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth); +int sudo_secureware_verify(const struct sudoers_context *ctx, struct passwd *pw, const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback); +int sudo_secureware_cleanup(const struct sudoers_context *ctx, struct passwd *pw, sudo_auth *auth, bool force); + +/* Fields: name, flags, init, setup, verify, approval, cleanup, begin_sess, end_sess */ +#define AUTH_ENTRY(n, f, i, s, v, a, c, b, e) \ + { (f), AUTH_FAILURE, (n), NULL, (i), (s), (v), (a), (c) , (b), (e) }, + +#endif /* SUDO_AUTH_H */ |