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Annotation of embedaddon/sudo/src/sudo_plugin_int.h, revision 1.1.1.4

1.1       misho       1: /*
1.1.1.3   misho       2:  * Copyright (c) 2010-2013 Todd C. Miller <Todd.Miller@courtesan.com>
1.1       misho       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_PLUGIN_INT_H
                     18: #define _SUDO_PLUGIN_INT_H
                     19: 
                     20: /*
                     21:  * All plugin structures start with a type and a version.
                     22:  */
                     23: struct generic_plugin {
                     24:     unsigned int type;
                     25:     unsigned int version;
                     26:     /* the rest depends on the type... */
                     27: };
                     28: 
                     29: /*
                     30:  * Backwards-compatible structures for API bumps.
                     31:  */
1.1.1.2   misho      32: struct policy_plugin_1_0 {
                     33:     unsigned int type;
                     34:     unsigned int version;
                     35:     int (*open)(unsigned int version, sudo_conv_t conversation,
                     36:        sudo_printf_t sudo_printf, char * const settings[],
                     37:        char * const user_info[], char * const user_env[]);
                     38:     void (*close)(int exit_status, int error); /* wait status or error */
                     39:     int (*show_version)(int verbose);
                     40:     int (*check_policy)(int argc, char * const argv[],
                     41:        char *env_add[], char **command_info[],
                     42:        char **argv_out[], char **user_env_out[]);
                     43:     int (*list)(int argc, char * const argv[], int verbose,
                     44:        const char *list_user);
                     45:     int (*validate)(void);
                     46:     void (*invalidate)(int remove);
                     47:     int (*init_session)(struct passwd *pwd);
                     48: };
1.1       misho      49: struct io_plugin_1_0 {
                     50:     unsigned int type;
                     51:     unsigned int version;
                     52:     int (*open)(unsigned int version, sudo_conv_t conversation,
                     53:         sudo_printf_t sudo_printf, char * const settings[],
                     54:         char * const user_info[], int argc, char * const argv[],
                     55:         char * const user_env[]);
                     56:     void (*close)(int exit_status, int error);
                     57:     int (*show_version)(int verbose);
                     58:     int (*log_ttyin)(const char *buf, unsigned int len);
                     59:     int (*log_ttyout)(const char *buf, unsigned int len);
                     60:     int (*log_stdin)(const char *buf, unsigned int len);
                     61:     int (*log_stdout)(const char *buf, unsigned int len);
                     62:     int (*log_stderr)(const char *buf, unsigned int len);
                     63: };
1.1.1.2   misho      64: struct io_plugin_1_1 {
                     65:     unsigned int type;
                     66:     unsigned int version;
                     67:     int (*open)(unsigned int version, sudo_conv_t conversation,
                     68:        sudo_printf_t sudo_printf, char * const settings[],
                     69:        char * const user_info[], char * const command_info[],
                     70:        int argc, char * const argv[], char * const user_env[]);
                     71:     void (*close)(int exit_status, int error); /* wait status or error */
                     72:     int (*show_version)(int verbose);
                     73:     int (*log_ttyin)(const char *buf, unsigned int len);
                     74:     int (*log_ttyout)(const char *buf, unsigned int len);
                     75:     int (*log_stdin)(const char *buf, unsigned int len);
                     76:     int (*log_stdout)(const char *buf, unsigned int len);
                     77:     int (*log_stderr)(const char *buf, unsigned int len);
                     78: };
1.1       misho      79: 
                     80: /*
                     81:  * Sudo plugin internals.
                     82:  */
                     83: struct plugin_container {
1.1.1.4 ! misho      84:     TAILQ_ENTRY(plugin_container) entries;
1.1       misho      85:     const char *name;
1.1.1.2   misho      86:     char * const *options;
1.1       misho      87:     void *handle;
                     88:     union {
                     89:        struct generic_plugin *generic;
                     90:        struct policy_plugin *policy;
1.1.1.2   misho      91:        struct policy_plugin_1_0 *policy_1_0;
1.1       misho      92:        struct io_plugin *io;
                     93:        struct io_plugin_1_0 *io_1_0;
1.1.1.2   misho      94:        struct io_plugin_1_1 *io_1_1;
1.1       misho      95:     } u;
                     96: };
1.1.1.4 ! misho      97: TAILQ_HEAD(plugin_container_list, plugin_container);
1.1       misho      98: 
1.1.1.3   misho      99: extern struct plugin_container policy_plugin;
1.1       misho     100: extern struct plugin_container_list io_plugins;
                    101: 
                    102: int sudo_conversation(int num_msgs, const struct sudo_conv_message msgs[],
                    103:     struct sudo_conv_reply replies[]);
                    104: int _sudo_printf(int msg_type, const char *fmt, ...);
                    105: 
1.1.1.2   misho     106: bool sudo_load_plugins(struct plugin_container *policy_plugin,
1.1       misho     107:     struct plugin_container_list *io_plugins);
                    108: 
                    109: #endif /* _SUDO_PLUGIN_INT_H */