dropbear 0.54 update
[tomato.git] / release / src / router / dropbear / dbutil.h
blob14c4c28033dc54d27a9b048a3987355b6968f9f0
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:
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
23 * SOFTWARE. */
25 #ifndef _DBUTIL_H_
27 #define _DBUTIL_H_
29 #include "includes.h"
30 #include "buffer.h"
32 #ifndef DISABLE_SYSLOG
33 void startsyslog();
34 #endif
36 #ifdef __GNUC__
37 #define ATTRIB_PRINTF(fmt,args) __attribute__((format(printf, fmt, args)))
38 #else
39 #define ATTRIB_PRINTF(fmt,args)
40 #endif
42 #ifdef __GNUC__
43 #define ATTRIB_NORETURN __attribute__((noreturn))
44 #else
45 #define ATTRIB_NORETURN
46 #endif
48 extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
49 extern void (*_dropbear_log)(int priority, const char* format, va_list param);
51 void dropbear_exit(const char* format, ...) ATTRIB_PRINTF(1,2) ATTRIB_NORETURN;
53 void dropbear_close(const char* format, ...) ATTRIB_PRINTF(1,2) ;
54 void dropbear_log(int priority, const char* format, ...) ATTRIB_PRINTF(2,3) ;
56 void fail_assert(const char* expr, const char* file, int line) ATTRIB_NORETURN;
58 #ifdef DEBUG_TRACE
59 void dropbear_trace(const char* format, ...) ATTRIB_PRINTF(1,2);
60 void printhex(const char * label, const unsigned char * buf, int len);
61 extern int debug_trace;
62 #endif
64 char * stripcontrol(const char * text);
65 void get_socket_address(int fd, char **local_host, char **local_port,
66 char **remote_host, char **remote_port, int host_lookup);
67 void getaddrstring(struct sockaddr_storage* addr,
68 char **ret_host, char **ret_port, int host_lookup);
69 int dropbear_listen(const char* address, const char* port,
70 int *socks, unsigned int sockcount, char **errstring, int *maxfd);
71 int spawn_command(void(*exec_fn)(void *user_data), void *exec_data,
72 int *writefd, int *readfd, int *errfd, pid_t *pid);
73 void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell);
74 #ifdef ENABLE_CONNECT_UNIX
75 int connect_unix(const char* addr);
76 #endif
77 int connect_remote(const char* remotehost, const char* remoteport,
78 int nonblocking, char ** errstring);
79 int buf_readfile(buffer* buf, const char* filename);
80 int buf_getline(buffer * line, FILE * authfile);
82 void m_close(int fd);
83 void * m_malloc(size_t size);
84 void * m_strdup(const char * str);
85 void * m_realloc(void* ptr, size_t size);
86 #define m_free(X) __m_free(X); (X) = NULL;
87 void __m_free(void* ptr);
88 void m_burn(void* data, unsigned int len);
89 void setnonblocking(int fd);
90 void disallow_core();
91 int m_str_to_uint(const char* str, unsigned int *val);
93 /* Used to force mp_ints to be initialised */
94 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}
96 /* Dropbear assertion */
97 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0)
99 #endif /* _DBUTIL_H_ */