1 /* 2 * Dropbear - a SSH2 server 3 * 4 * Copyright (c) 2002,2003 Matt Johnston 5 * All rights reserved. 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a copy 8 * of this software and associated documentation files (the "Software"), to deal 9 * in the Software without restriction, including without limitation the rights 10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 * copies of the Software, and to permit persons to whom the Software is 12 * furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice shall be included in 15 * all copies or substantial portions of the Software. 16 * 17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 23 * SOFTWARE. */ 24 25 #ifndef _DBUTIL_H_ 26 27 #define _DBUTIL_H_ 28 29 #include "includes.h" 30 #include "buffer.h" 31 32 #ifndef DISABLE_SYSLOG 33 void startsyslog(); 34 #endif 35 36 extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param); 37 extern void (*_dropbear_log)(int priority, const char* format, va_list param); 38 39 void dropbear_exit(const char* format, ...); 40 void dropbear_close(const char* format, ...); 41 void dropbear_log(int priority, const char* format, ...); 42 void fail_assert(const char* expr, const char* file, int line); 43 #ifdef DEBUG_TRACE 44 void dropbear_trace(const char* format, ...); 45 void printhex(const char * label, const unsigned char * buf, int len); 46 extern int debug_trace; 47 #endif 48 char * stripcontrol(const char * text); 49 unsigned char * getaddrstring(struct sockaddr_storage* addr, int withport); 50 int dropbear_listen(const char* address, const char* port, 51 int *socks, unsigned int sockcount, char **errstring, int *maxfd); 52 int connect_remote(const char* remotehost, const char* remoteport, 53 int nonblocking, char ** errstring); 54 char* getaddrhostname(struct sockaddr_storage * addr); 55 int buf_readfile(buffer* buf, const char* filename); 56 int buf_getline(buffer * line, FILE * authfile); 57 58 void m_close(int fd); 59 void * m_malloc(size_t size); 60 void * m_strdup(const char * str); 61 void * m_realloc(void* ptr, size_t size); 62 #define m_free(X) __m_free(X); (X) = NULL; 63 void __m_free(void* ptr); 64 void m_burn(void* data, unsigned int len); 65 void setnonblocking(int fd); 66 void disallow_core(); 67 68 /* Used to force mp_ints to be initialised */ 69 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL} 70 71 /* Dropbear assertion */ 72 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0) 73 74 #endif /* _DBUTIL_H_ */ 75