Merge tag 'debian/1.8.5p2-1' into squeeze

[debian/sudo] / src / sudo_plugin_int.h

diff --git a/src/sudo_plugin_int.h b/src/sudo_plugin_int.h
new file mode 100644 (file)
index 0000000..aff2344
--- /dev/null
+++ b/src/sudo_plugin_int.h
@@ -0,0 +1,110 @@
+/*
+ * Copyright (c) 2010-2012 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifndef _SUDO_PLUGIN_INT_H
+#define _SUDO_PLUGIN_INT_H
+
+/*
+ * All plugin structures start with a type and a version.
+ */
+struct generic_plugin {
+    unsigned int type;
+    unsigned int version;
+    /* the rest depends on the type... */
+};
+
+/*
+ * Backwards-compatible structures for API bumps.
+ */
+struct policy_plugin_1_0 {
+    unsigned int type;
+    unsigned int version;
+    int (*open)(unsigned int version, sudo_conv_t conversation,
+       sudo_printf_t sudo_printf, char * const settings[],
+       char * const user_info[], char * const user_env[]);
+    void (*close)(int exit_status, int error); /* wait status or error */
+    int (*show_version)(int verbose);
+    int (*check_policy)(int argc, char * const argv[],
+       char *env_add[], char **command_info[],
+       char **argv_out[], char **user_env_out[]);
+    int (*list)(int argc, char * const argv[], int verbose,
+       const char *list_user);
+    int (*validate)(void);
+    void (*invalidate)(int remove);
+    int (*init_session)(struct passwd *pwd);
+};
+struct io_plugin_1_0 {
+    unsigned int type;
+    unsigned int version;
+    int (*open)(unsigned int version, sudo_conv_t conversation,
+        sudo_printf_t sudo_printf, char * const settings[],
+        char * const user_info[], int argc, char * const argv[],
+        char * const user_env[]);
+    void (*close)(int exit_status, int error);
+    int (*show_version)(int verbose);
+    int (*log_ttyin)(const char *buf, unsigned int len);
+    int (*log_ttyout)(const char *buf, unsigned int len);
+    int (*log_stdin)(const char *buf, unsigned int len);
+    int (*log_stdout)(const char *buf, unsigned int len);
+    int (*log_stderr)(const char *buf, unsigned int len);
+};
+struct io_plugin_1_1 {
+    unsigned int type;
+    unsigned int version;
+    int (*open)(unsigned int version, sudo_conv_t conversation,
+       sudo_printf_t sudo_printf, char * const settings[],
+       char * const user_info[], char * const command_info[],
+       int argc, char * const argv[], char * const user_env[]);
+    void (*close)(int exit_status, int error); /* wait status or error */
+    int (*show_version)(int verbose);
+    int (*log_ttyin)(const char *buf, unsigned int len);
+    int (*log_ttyout)(const char *buf, unsigned int len);
+    int (*log_stdin)(const char *buf, unsigned int len);
+    int (*log_stdout)(const char *buf, unsigned int len);
+    int (*log_stderr)(const char *buf, unsigned int len);
+};
+
+/*
+ * Sudo plugin internals.
+ */
+struct plugin_container {
+    struct plugin_container *prev; /* required */
+    struct plugin_container *next; /* required */
+    const char *name;
+    char * const *options;
+    void *handle;
+    union {
+       struct generic_plugin *generic;
+       struct policy_plugin *policy;
+       struct policy_plugin_1_0 *policy_1_0;
+       struct io_plugin *io;
+       struct io_plugin_1_0 *io_1_0;
+       struct io_plugin_1_1 *io_1_1;
+    } u;
+};
+TQ_DECLARE(plugin_container)
+
+extern struct plugin_container_list policy_plugins;
+extern struct plugin_container_list io_plugins;
+
+int sudo_conversation(int num_msgs, const struct sudo_conv_message msgs[],
+    struct sudo_conv_reply replies[]);
+int _sudo_printf(int msg_type, const char *fmt, ...);
+
+bool sudo_load_plugins(struct plugin_container *policy_plugin,
+    struct plugin_container_list *io_plugins);
+
+#endif /* _SUDO_PLUGIN_INT_H */