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101 lines
3.6 KiB
101 lines
3.6 KiB
/*
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* Dropbear - a SSH2 server
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*
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* Copyright (c) 2002,2003 Matt Johnston
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* All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE. */
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#ifndef DROPBEAR_DBUTIL_H_
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#define DROPBEAR_DBUTIL_H_
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#include "includes.h"
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#include "buffer.h"
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#include "queue.h"
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#include "dbhelpers.h"
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#include "dbmalloc.h"
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#ifndef DISABLE_SYSLOG
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void startsyslog(const char *ident);
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#endif
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extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
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extern void (*_dropbear_log)(int priority, const char* format, va_list param);
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void dropbear_exit(const char* format, ...) ATTRIB_PRINTF(1,2) ATTRIB_NORETURN;
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void dropbear_close(const char* format, ...) ATTRIB_PRINTF(1,2) ;
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void dropbear_log(int priority, const char* format, ...) ATTRIB_PRINTF(2,3) ;
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void fail_assert(const char* expr, const char* file, int line) ATTRIB_NORETURN;
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#if DEBUG_TRACE
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void dropbear_trace(const char* format, ...) ATTRIB_PRINTF(1,2);
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void dropbear_trace2(const char* format, ...) ATTRIB_PRINTF(1,2);
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void printhex(const char * label, const unsigned char * buf, int len);
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void printmpint(const char *label, mp_int *mp);
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void debug_start_net(void);
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extern int debug_trace;
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#endif
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char * stripcontrol(const char * text);
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int spawn_command(void(*exec_fn)(const void *user_data), const void *exec_data,
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int *writefd, int *readfd, int *errfd, pid_t *pid);
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void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell);
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#if ENABLE_CONNECT_UNIX
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int connect_unix(const char* addr);
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#endif
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int buf_readfile(buffer* buf, const char* filename);
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int buf_getline(buffer * line, FILE * authfile);
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void m_close(int fd);
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void setnonblocking(int fd);
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void disallow_core(void);
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int m_str_to_uint(const char* str, unsigned int *val);
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/* Used to force mp_ints to be initialised */
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#define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}
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/* Dropbear assertion */
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#define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0)
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/* Returns 0 if a and b have the same contents */
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int constant_time_memcmp(const void* a, const void *b, size_t n);
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/* Returns a time in seconds that doesn't go backwards - does not correspond to
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a real-world clock */
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time_t monotonic_now(void);
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/* Higher resolution clock_gettime(CLOCK_MONOTONIC) wrapper */
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void gettime_wrapper(struct timespec *now);
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char * expand_homedir_path(const char *inpath);
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void fsync_parent_dir(const char* fn);
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#if DROPBEAR_MSAN
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/* FD_ZERO seems to leave some memory uninitialized. clear it to avoid false positives */
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#define DROPBEAR_FD_ZERO(fds) do { memset((fds), 0x0, sizeof(fd_set)); FD_ZERO(fds); } while(0)
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#else
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#define DROPBEAR_FD_ZERO(fds) FD_ZERO(fds)
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#endif
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#endif /* DROPBEAR_DBUTIL_H_ */
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