104 lines
3.8 KiB
C
104 lines
3.8 KiB
C
/*
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* Copyright (c) 2009-2010 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_H
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#define _SUDO_PLUGIN_H
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/* API version major/minor */
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#define SUDO_API_VERSION_MAJOR 1
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#define SUDO_API_VERSION_MINOR 0
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#define SUDO_API_VERSION ((SUDO_API_VERSION_MAJOR << 16) | SUDO_API_VERSION_MINOR)
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/* Getters and setters for API version */
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#define SUDO_API_VERSION_GET_MAJOR(v) ((v) >> 16)
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#define SUDO_API_VERSION_GET_MINOR(v) ((v) & 0xffff)
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#define SUDO_API_VERSION_SET_MAJOR(vp, n) do { \
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*(vp) = (*(vp) & 0x0000ffff) | ((n) << 16); \
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} while(0)
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#define SUDO_VERSION_SET_MINOR(vp, n) do { \
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*(vp) = (*(vp) & 0xffff0000) | (n); \
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} while(0)
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/* Conversation function types and defines */
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struct sudo_conv_message {
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#define SUDO_CONV_PROMPT_ECHO_OFF 1
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#define SUDO_CONV_PROMPT_ECHO_ON 2
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#define SUDO_CONV_ERROR_MSG 3
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#define SUDO_CONV_INFO_MSG 4
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int msg_type;
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int timeout;
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const char *msg;
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};
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struct sudo_conv_reply {
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char *reply;
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};
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typedef int (*sudo_conv_t)(int num_msgs, const struct sudo_conv_message msgs[],
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struct sudo_conv_reply replies[]);
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typedef int (*sudo_printf_t)(int msg_type, const char *fmt, ...);
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/* Policy plugin type and defines */
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struct policy_plugin {
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#define SUDO_POLICY_PLUGIN 1
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unsigned int type; /* always SUDO_POLICY_PLUGIN */
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unsigned int version; /* always SUDO_API_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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};
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/* I/O plugin type and defines */
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struct io_plugin {
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#define SUDO_IO_PLUGIN 2
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unsigned int type; /* always SUDO_IO_PLUGIN */
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unsigned int version; /* always SUDO_API_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); /* 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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/* Internal use only */
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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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int (*open)(unsigned int version, sudo_conv_t conversation,
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char * const settings[], char * const user_info[],
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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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/* the rest depends on the type... */
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};
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#endif /* _SUDO_PLUGIN_H */
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