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Annotation of embedaddon/sudo/src/sudo_plugin_int.h, revision 1.1.1.1

1.1       misho       1: /*
                      2:  * Copyright (c) 2010-2011 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_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:  */
                     32: struct io_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[], int argc, char * const argv[],
                     38:         char * const user_env[]);
                     39:     void (*close)(int exit_status, int error);
                     40:     int (*show_version)(int verbose);
                     41:     int (*log_ttyin)(const char *buf, unsigned int len);
                     42:     int (*log_ttyout)(const char *buf, unsigned int len);
                     43:     int (*log_stdin)(const char *buf, unsigned int len);
                     44:     int (*log_stdout)(const char *buf, unsigned int len);
                     45:     int (*log_stderr)(const char *buf, unsigned int len);
                     46: };
                     47: 
                     48: /*
                     49:  * Sudo plugin internals.
                     50:  */
                     51: 
                     52: struct plugin_info {
                     53:     struct plugin_info *prev; /* required */
                     54:     struct plugin_info *next; /* required */
                     55:     const char *path;
                     56:     const char *symbol_name;
                     57: };
                     58: TQ_DECLARE(plugin_info)
                     59: 
                     60: struct plugin_container {
                     61:     struct plugin_container *prev; /* required */
                     62:     struct plugin_container *next; /* required */
                     63:     const char *name;
                     64:     void *handle;
                     65:     union {
                     66:        struct generic_plugin *generic;
                     67:        struct policy_plugin *policy;
                     68:        struct io_plugin *io;
                     69:        struct io_plugin_1_0 *io_1_0;
                     70:     } u;
                     71: };
                     72: TQ_DECLARE(plugin_container)
                     73: 
                     74: extern struct plugin_container_list policy_plugins;
                     75: extern struct plugin_container_list io_plugins;
                     76: 
                     77: int sudo_conversation(int num_msgs, const struct sudo_conv_message msgs[],
                     78:     struct sudo_conv_reply replies[]);
                     79: int _sudo_printf(int msg_type, const char *fmt, ...);
                     80: 
                     81: int sudo_load_plugins(const char *conf_file,
                     82:     struct plugin_container *policy_plugin,
                     83:     struct plugin_container_list *io_plugins);
                     84: 
                     85: #endif /* _SUDO_PLUGIN_INT_H */