summaryrefslogtreecommitdiff
path: root/app/openvpn/src/openvpn/misc.h
diff options
context:
space:
mode:
Diffstat (limited to 'app/openvpn/src/openvpn/misc.h')
-rw-r--r--app/openvpn/src/openvpn/misc.h379
1 files changed, 0 insertions, 379 deletions
diff --git a/app/openvpn/src/openvpn/misc.h b/app/openvpn/src/openvpn/misc.h
deleted file mode 100644
index 41748bd8..00000000
--- a/app/openvpn/src/openvpn/misc.h
+++ /dev/null
@@ -1,379 +0,0 @@
-/*
- * OpenVPN -- An application to securely tunnel IP networks
- * over a single TCP/UDP port, with support for SSL/TLS-based
- * session authentication and key exchange,
- * packet encryption, packet authentication, and
- * packet compression.
- *
- * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program (see the file COPYING included with this
- * distribution); if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-#ifndef MISC_H
-#define MISC_H
-
-#include "basic.h"
-#include "common.h"
-#include "integer.h"
-#include "buffer.h"
-#include "platform.h"
-
-/* socket descriptor passed by inetd/xinetd server to us */
-#define INETD_SOCKET_DESCRIPTOR 0
-
-/* forward declarations */
-struct plugin_list;
-
-/* used by argv_x functions */
-struct argv {
- size_t capacity;
- size_t argc;
- char **argv;
- char *system_str;
-};
-
-/*
- * Handle environmental variable lists
- */
-
-struct env_item {
- char *string;
- struct env_item *next;
-};
-
-struct env_set {
- struct gc_arena *gc;
- struct env_item *list;
-};
-
-void run_up_down (const char *command,
- const struct plugin_list *plugins,
- int plugin_type,
- const char *arg,
- const char *dev_type,
- int tun_mtu,
- int link_mtu,
- const char *ifconfig_local,
- const char* ifconfig_remote,
- const char *context,
- const char *signal_text,
- const char *script_type,
- struct env_set *es);
-
-/* workspace for get_pid_file/write_pid */
-struct pid_state {
- FILE *fp;
- const char *filename;
-};
-
-void get_pid_file (const char* filename, struct pid_state *state);
-void write_pid (const struct pid_state *state);
-
-/* check file protections */
-void warn_if_group_others_accessible(const char* filename);
-
-/* system flags */
-#define S_SCRIPT (1<<0)
-#define S_FATAL (1<<1)
-
-const char *system_error_message (int, struct gc_arena *gc);
-
-/* wrapper around the execve() call */
-int openvpn_popen (const struct argv *a, const struct env_set *es);
-int openvpn_execve (const struct argv *a, const struct env_set *es, const unsigned int flags);
-bool openvpn_execve_check (const struct argv *a, const struct env_set *es, const unsigned int flags, const char *error_message);
-bool openvpn_execve_allowed (const unsigned int flags);
-
-static inline bool
-openvpn_run_script (const struct argv *a, const struct env_set *es, const unsigned int flags, const char *hook)
-{
- char msg[256];
-
- openvpn_snprintf(msg, sizeof(msg), "WARNING: Failed running command (%s)", hook);
- return openvpn_execve_check(a, es, flags | S_SCRIPT, msg);
-}
-
-
-#ifdef HAVE_STRERROR
-/* a thread-safe version of strerror */
-const char* strerror_ts (int errnum, struct gc_arena *gc);
-#endif
-
-/* Set standard file descriptors to /dev/null */
-void set_std_files_to_null (bool stdin_only);
-
-/* dup inetd/xinetd socket descriptor and save */
-extern int inetd_socket_descriptor;
-void save_inetd_socket_descriptor (void);
-
-/* init random() function, only used as source for weak random numbers, when !ENABLE_CRYPTO */
-void init_random_seed(void);
-
-/* set/delete environmental variable */
-void setenv_str_ex (struct env_set *es,
- const char *name,
- const char *value,
- const unsigned int name_include,
- const unsigned int name_exclude,
- const char name_replace,
- const unsigned int value_include,
- const unsigned int value_exclude,
- const char value_replace);
-
-void setenv_counter (struct env_set *es, const char *name, counter_type value);
-void setenv_int (struct env_set *es, const char *name, int value);
-void setenv_unsigned (struct env_set *es, const char *name, unsigned int value);
-void setenv_str (struct env_set *es, const char *name, const char *value);
-void setenv_str_safe (struct env_set *es, const char *name, const char *value);
-void setenv_del (struct env_set *es, const char *name);
-
-void setenv_int_i (struct env_set *es, const char *name, const int value, const int i);
-void setenv_str_i (struct env_set *es, const char *name, const char *value, const int i);
-
-/* struct env_set functions */
-
-struct env_set *env_set_create (struct gc_arena *gc);
-void env_set_destroy (struct env_set *es);
-bool env_set_del (struct env_set *es, const char *str);
-void env_set_add (struct env_set *es, const char *str);
-
-void env_set_print (int msglevel, const struct env_set *es);
-
-void env_set_inherit (struct env_set *es, const struct env_set *src);
-
-void env_set_add_to_environment (const struct env_set *es);
-void env_set_remove_from_environment (const struct env_set *es);
-
-/* Make arrays of strings */
-
-const char **make_env_array (const struct env_set *es,
- const bool check_allowed,
- struct gc_arena *gc);
-
-const char **make_arg_array (const char *first, const char *parms, struct gc_arena *gc);
-const char **make_extended_arg_array (char **p, struct gc_arena *gc);
-
-/* convert netmasks for iproute2 */
-int count_netmask_bits(const char *);
-unsigned int count_bits(unsigned int );
-
-/* an analogue to the random() function, but use OpenSSL functions if available */
-#ifdef ENABLE_CRYPTO
-long int get_random(void);
-#else
-#define get_random random
-#endif
-
-/* return true if filename can be opened for read */
-bool test_file (const char *filename);
-
-/* create a temporary file in directory, returns the filename of the created file */
-const char *create_temp_file (const char *directory, const char *prefix, struct gc_arena *gc);
-
-/* put a directory and filename together */
-const char *gen_path (const char *directory, const char *filename, struct gc_arena *gc);
-
-/* return true if pathname is absolute */
-bool absolute_pathname (const char *pathname);
-
-/* prepend a random prefix to hostname (need ENABLE_CRYPTO) */
-const char *hostname_randomize(const char *hostname, struct gc_arena *gc);
-
-/*
- * Get and store a username/password
- */
-
-struct user_pass
-{
- bool defined;
- bool nocache;
-
-/* max length of username/password */
-# ifdef ENABLE_PKCS11
-# define USER_PASS_LEN 4096
-# else
-# define USER_PASS_LEN 128
-# endif
- char username[USER_PASS_LEN];
- char password[USER_PASS_LEN];
-};
-
-#ifdef ENABLE_CLIENT_CR
-/*
- * Challenge response info on client as pushed by server.
- */
-struct auth_challenge_info {
-# define CR_ECHO (1<<0) /* echo response when typed by user */
-# define CR_RESPONSE (1<<1) /* response needed */
- unsigned int flags;
-
- const char *user;
- const char *state_id;
- const char *challenge_text;
-};
-
-struct auth_challenge_info *get_auth_challenge (const char *auth_challenge, struct gc_arena *gc);
-
-/*
- * Challenge response info on client as pushed by server.
- */
-struct static_challenge_info {
-# define SC_ECHO (1<<0) /* echo response when typed by user */
- unsigned int flags;
-
- const char *challenge_text;
-};
-
-#else
-struct auth_challenge_info {};
-struct static_challenge_info {};
-#endif
-
-/*
- * Flags for get_user_pass and management_query_user_pass
- */
-#define GET_USER_PASS_MANAGEMENT (1<<0)
-#define GET_USER_PASS_SENSITIVE (1<<1)
-#define GET_USER_PASS_PASSWORD_ONLY (1<<2)
-#define GET_USER_PASS_NEED_OK (1<<3)
-#define GET_USER_PASS_NOFATAL (1<<4)
-#define GET_USER_PASS_NEED_STR (1<<5)
-#define GET_USER_PASS_PREVIOUS_CREDS_FAILED (1<<6)
-
-#define GET_USER_PASS_DYNAMIC_CHALLENGE (1<<7) /* CRV1 protocol -- dynamic challenge */
-#define GET_USER_PASS_STATIC_CHALLENGE (1<<8) /* SCRV1 protocol -- static challenge */
-#define GET_USER_PASS_STATIC_CHALLENGE_ECHO (1<<9) /* SCRV1 protocol -- echo response */
-
-bool get_user_pass_cr (struct user_pass *up,
- const char *auth_file,
- const char *prefix,
- const unsigned int flags,
- const char *auth_challenge);
-
-static inline bool
-get_user_pass (struct user_pass *up,
- const char *auth_file,
- const char *prefix,
- const unsigned int flags)
-{
- return get_user_pass_cr (up, auth_file, prefix, flags, NULL);
-}
-
-void fail_user_pass (const char *prefix,
- const unsigned int flags,
- const char *reason);
-
-void purge_user_pass (struct user_pass *up, const bool force);
-
-void set_auth_token (struct user_pass *up, const char *token);
-
-/*
- * Process string received by untrusted peer before
- * printing to console or log file.
- * Assumes that string has been null terminated.
- */
-const char *safe_print (const char *str, struct gc_arena *gc);
-
-/* returns true if environmental variable safe to print to log */
-bool env_safe_to_print (const char *str);
-
-/* returns true if environmental variable may be passed to an external program */
-bool env_allowed (const char *str);
-
-/*
- * A sleep function that services the management layer for n
- * seconds rather than doing nothing.
- */
-void openvpn_sleep (const int n);
-
-void configure_path (void);
-
-const char *sanitize_control_message(const char *str, struct gc_arena *gc);
-
-#if AUTO_USERID
-void get_user_pass_auto_userid (struct user_pass *up, const char *tag);
-#endif
-
-/*
- * /sbin/ip path, may be overridden
- */
-#ifdef ENABLE_IPROUTE
-extern const char *iproute_path;
-#endif
-
-/* Script security */
-#define SSEC_NONE 0 /* strictly no calling of external programs */
-#define SSEC_BUILT_IN 1 /* only call built-in programs such as ifconfig, route, netsh, etc.*/
-#define SSEC_SCRIPTS 2 /* allow calling of built-in programs and user-defined scripts */
-#define SSEC_PW_ENV 3 /* allow calling of built-in programs and user-defined scripts that may receive a password as an environmental variable */
-extern int script_security; /* GLOBAL */
-
-/* return the next largest power of 2 */
-size_t adjust_power_of_2 (size_t u);
-
-/*
- * A printf-like function (that only recognizes a subset of standard printf
- * format operators) that prints arguments to an argv list instead
- * of a standard string. This is used to build up argv arrays for passing
- * to execve.
- */
-void argv_init (struct argv *a);
-struct argv argv_new (void);
-void argv_reset (struct argv *a);
-char *argv_term (const char **f);
-const char *argv_str (const struct argv *a, struct gc_arena *gc, const unsigned int flags);
-struct argv argv_insert_head (const struct argv *a, const char *head);
-void argv_msg (const int msglev, const struct argv *a);
-void argv_msg_prefix (const int msglev, const struct argv *a, const char *prefix);
-const char *argv_system_str (const struct argv *a);
-
-#define APA_CAT (1<<0) /* concatentate onto existing struct argv list */
-void argv_printf_arglist (struct argv *a, const char *format, const unsigned int flags, va_list arglist);
-
-void argv_printf (struct argv *a, const char *format, ...)
-#ifdef __GNUC__
-#if __USE_MINGW_ANSI_STDIO
- __attribute__ ((format (gnu_printf, 2, 3)))
-#else
- __attribute__ ((format (__printf__, 2, 3)))
-#endif
-#endif
- ;
-
-void argv_printf_cat (struct argv *a, const char *format, ...)
-#ifdef __GNUC__
-#if __USE_MINGW_ANSI_STDIO
- __attribute__ ((format (gnu_printf, 2, 3)))
-#else
- __attribute__ ((format (__printf__, 2, 3)))
-#endif
-#endif
- ;
-
-#define COMPAT_FLAG_QUERY 0 /** compat_flags operator: Query for a flag */
-#define COMPAT_FLAG_SET (1<<0) /** compat_flags operator: Set a compat flag */
-#define COMPAT_NAMES (1<<1) /** compat flag: --compat-names set */
-#define COMPAT_NO_NAME_REMAPPING (1<<2) /** compat flag: --compat-names without char remapping */
-bool compat_flag (unsigned int flag);
-
-#if P2MP_SERVER
-/* helper to parse peer_info received from multi client, validate
- * (this is untrusted data) and put into environment */
-bool validate_peer_info_line(char *line);
-void output_peer_info_env (struct env_set *es, const char * peer_info);
-#endif /* P2MP_SERVER */
-
-#endif
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-23 17:04:54 +0000