2 * Dropbear - a SSH2 server
4 * Copyright (c) 2002,2003 Matt Johnston
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:
14 * The above copyright notice and this permission notice shall be included in
15 * all copies or substantial portions of the Software.
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
32 #ifndef DISABLE_SYSLOG
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
);
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
);
44 void dropbear_trace(const char* format
, ...);
45 void printhex(const char * label
, const unsigned char * buf
, int len
);
46 extern int debug_trace
;
48 char * stripcontrol(const char * text
);
49 void get_socket_address(int fd
, char **local_host
, char **local_port
,
50 char **remote_host
, char **remote_port
, int host_lookup
);
51 void getaddrstring(struct sockaddr_storage
* addr
,
52 char **ret_host
, char **ret_port
, int host_lookup
);
53 int dropbear_listen(const char* address
, const char* port
,
54 int *socks
, unsigned int sockcount
, char **errstring
, int *maxfd
);
55 int spawn_command(void(*exec_fn
)(void *user_data
), void *exec_data
,
56 int *writefd
, int *readfd
, int *errfd
, pid_t
*pid
);
57 void run_shell_command(const char* cmd
, unsigned int maxfd
, char* usershell
);
58 #ifdef ENABLE_CONNECT_UNIX
59 int connect_unix(const char* addr
);
61 int connect_remote(const char* remotehost
, const char* remoteport
,
62 int nonblocking
, char ** errstring
);
63 int buf_readfile(buffer
* buf
, const char* filename
);
64 int buf_getline(buffer
* line
, FILE * authfile
);
67 void * m_malloc(size_t size
);
68 void * m_strdup(const char * str
);
69 void * m_realloc(void* ptr
, size_t size
);
70 #define m_free(X) __m_free(X); (X) = NULL;
71 void __m_free(void* ptr
);
72 void m_burn(void* data
, unsigned int len
);
73 void setnonblocking(int fd
);
75 int m_str_to_uint(const char* str
, unsigned int *val
);
77 /* Used to force mp_ints to be initialised */
78 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}
80 /* Dropbear assertion */
81 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0)
83 #endif /* _DBUTIL_H_ */