118 lines
4.3 KiB
C
118 lines
4.3 KiB
C
/*
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* Copyright (c) 2010-2014 Todd C. Miller <Todd.Miller@sudo.ws>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef SUDO_PLUGIN_INT_H
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#define SUDO_PLUGIN_INT_H
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/*
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* All plugin structures start with a type and a version.
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*/
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struct generic_plugin {
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unsigned int type;
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unsigned int version;
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/* the rest depends on the type... */
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};
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typedef int (*sudo_conv_1_7_t)(int num_msgs,
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const struct sudo_conv_message msgs[], struct sudo_conv_reply replies[]);
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/*
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* Backwards-compatible structures for API bumps.
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*/
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struct policy_plugin_1_0 {
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unsigned int type;
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unsigned int version;
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int (*open)(unsigned int version, sudo_conv_1_7_t conversation,
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sudo_printf_t sudo_printf, char * const settings[],
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char * const user_info[], char * const user_env[]);
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void (*close)(int exit_status, int error); /* wait status or error */
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int (*show_version)(int verbose);
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int (*check_policy)(int argc, char * const argv[],
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char *env_add[], char **command_info[],
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char **argv_out[], char **user_env_out[]);
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int (*list)(int argc, char * const argv[], int verbose,
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const char *list_user);
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int (*validate)(void);
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void (*invalidate)(int remove);
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int (*init_session)(struct passwd *pwd);
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};
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struct io_plugin_1_0 {
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unsigned int type;
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unsigned int version;
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int (*open)(unsigned int version, sudo_conv_1_7_t conversation,
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sudo_printf_t sudo_printf, char * const settings[],
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char * const user_info[], int argc, char * const argv[],
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char * const user_env[]);
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void (*close)(int exit_status, int error);
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int (*show_version)(int verbose);
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int (*log_ttyin)(const char *buf, unsigned int len);
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int (*log_ttyout)(const char *buf, unsigned int len);
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int (*log_stdin)(const char *buf, unsigned int len);
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int (*log_stdout)(const char *buf, unsigned int len);
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int (*log_stderr)(const char *buf, unsigned int len);
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};
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struct io_plugin_1_1 {
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unsigned int type;
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unsigned int version;
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int (*open)(unsigned int version, sudo_conv_1_7_t conversation,
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sudo_printf_t sudo_printf, char * const settings[],
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char * const user_info[], char * const command_info[],
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int argc, char * const argv[], char * const user_env[]);
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void (*close)(int exit_status, int error); /* wait status or error */
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int (*show_version)(int verbose);
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int (*log_ttyin)(const char *buf, unsigned int len);
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int (*log_ttyout)(const char *buf, unsigned int len);
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int (*log_stdin)(const char *buf, unsigned int len);
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int (*log_stdout)(const char *buf, unsigned int len);
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int (*log_stderr)(const char *buf, unsigned int len);
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};
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/*
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* Sudo plugin internals.
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*/
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struct plugin_container {
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TAILQ_ENTRY(plugin_container) entries;
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struct sudo_conf_debug_file_list *debug_files;
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const char *name;
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char *path;
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char * const *options;
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void *handle;
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int debug_instance;
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union {
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struct generic_plugin *generic;
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struct policy_plugin *policy;
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struct policy_plugin_1_0 *policy_1_0;
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struct io_plugin *io;
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struct io_plugin_1_0 *io_1_0;
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struct io_plugin_1_1 *io_1_1;
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} u;
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};
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TAILQ_HEAD(plugin_container_list, plugin_container);
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extern struct plugin_container policy_plugin;
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extern struct plugin_container_list io_plugins;
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int sudo_conversation(int num_msgs, const struct sudo_conv_message msgs[],
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struct sudo_conv_reply replies[], struct sudo_conv_callback *callback);
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int sudo_conversation_1_7(int num_msgs, const struct sudo_conv_message msgs[],
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struct sudo_conv_reply replies[]);
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int sudo_conversation_printf(int msg_type, const char *fmt, ...);
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bool sudo_load_plugins(struct plugin_container *policy_plugin,
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struct plugin_container_list *io_plugins);
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#endif /* SUDO_PLUGIN_INT_H */
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