From 14a131ac1cfc95e5ba2518ff887d04c034aecc53 Mon Sep 17 00:00:00 2001 From: Alon Bar-Lev Date: Wed, 29 Feb 2012 22:12:19 +0200 Subject: build: move wrappers into platform module + Some fixups within the platform.c functions. - need to check environment set on Windows. Signed-off-by: Alon Bar-Lev Acked-by: Gert Doering Signed-off-by: David Sommerseth --- src/openvpn/platform.h | 142 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 142 insertions(+) create mode 100644 src/openvpn/platform.h (limited to 'src/openvpn/platform.h') diff --git a/src/openvpn/platform.h b/src/openvpn/platform.h new file mode 100644 index 0000000..7bd2067 --- /dev/null +++ b/src/openvpn/platform.h @@ -0,0 +1,142 @@ +/* + * 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. + * + * 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 PLATFORM_H +#define PLATFORM_H + +#ifdef HAVE_SYS_TYPES_H +#include +#endif + +#ifdef HAVE_SYS_STAT_H +#include +#endif + +#ifdef HAVE_UNISTD_H +#include +#endif + +#ifdef HAVE_PWD_H +#include +#endif + +#ifdef HAVE_GRP_H +#include +#endif + +#ifdef HAVE_STDIO_H +#include +#endif + +#include "basic.h" + +/* Get/Set UID of process */ + +struct platform_state_user { +#if defined(HAVE_GETPWNAM) && defined(HAVE_SETUID) + const char *username; + struct passwd *pw; +#else + int dummy; +#endif +}; + +/* Get/Set GID of process */ + +struct platform_state_group { +#if defined(HAVE_GETGRNAM) && defined(HAVE_SETGID) + const char *groupname; + struct group *gr; +#else + int dummy; +#endif +}; + +bool platform_user_get (const char *username, struct platform_state_user *state); +void platform_user_set (const struct platform_state_user *state); + +bool platform_group_get (const char *groupname, struct platform_state_group *state); +void platform_group_set (const struct platform_state_group *state); + +/* + * Extract UID or GID + */ + +static inline int +platform_state_user_uid (const struct platform_state_user *s) +{ +#if defined(HAVE_GETPWNAM) && defined(HAVE_SETUID) + if (s->pw) + return s->pw->pw_uid; +#endif + return -1; +} + +static inline int +platform_state_group_gid (const struct platform_state_group *s) +{ +#if defined(HAVE_GETGRNAM) && defined(HAVE_SETGID) + if (s->gr) + return s->gr->gr_gid; +#endif + return -1; +} + +void platform_chroot (const char *path); + +void platform_nice (int niceval); + +unsigned int platform_getpid (void); + +void platform_mlockall (bool print_msg); /* Disable paging */ + +int platform_chdir (const char* dir); + +/* interpret the status code returned by system()/execve() */ +bool platform_system_ok (int stat); +bool platform_system_executed (int stat); +int platform_system(const char *command); + +int platform_access (const char *path, int mode); + +void platform_sleep_milliseconds (unsigned int n); + +void platform_sleep_until_signal (void); + +/* delete a file, return true if succeeded */ +bool platform_unlink (const char *filename); + +int platform_putenv (char *string); + +FILE *platform_fopen (const char *path, const char *mode); +int platform_open (const char *path, int flags, int mode); + +#ifdef WIN32 +typedef struct _stat platform_stat_t; +#else +typedef struct stat platform_stat_t; +#endif +int platform_stat (const char *path, platform_stat_t *buf); + +#endif -- cgit