923edabe6c
queue functions. This includes a private queue.h header derived from FreeBSD. It is simpler to just use our own header rather than try to deal with macros that may or may not be present in various queue.h incarnations.
110 lines
3.9 KiB
C
110 lines
3.9 KiB
C
/*
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* Copyright (c) 2010-2013 Todd C. Miller <Todd.Miller@courtesan.com>
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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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/*
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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_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_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_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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const char *name;
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char * const *options;
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void *handle;
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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[]);
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int _sudo_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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