Mercurial > dropbear
annotate dbutil.h @ 1938:77bc00dcc19f default tip main master
Bump version to 2022.82
author | Matt Johnston <matt@ucc.asn.au> |
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date | Fri, 01 Apr 2022 14:43:27 +0800 |
parents | 83b6a47759a8 |
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1 /* |
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2 * Dropbear - a SSH2 server |
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3 * |
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4 * Copyright (c) 2002,2003 Matt Johnston |
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5 * All rights reserved. |
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6 * |
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7 * Permission is hereby granted, free of charge, to any person obtaining a copy |
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8 * of this software and associated documentation files (the "Software"), to deal |
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9 * in the Software without restriction, including without limitation the rights |
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10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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11 * copies of the Software, and to permit persons to whom the Software is |
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12 * furnished to do so, subject to the following conditions: |
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13 * |
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14 * The above copyright notice and this permission notice shall be included in |
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15 * all copies or substantial portions of the Software. |
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16 * |
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17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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23 * SOFTWARE. */ |
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24 |
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25 #ifndef DROPBEAR_DBUTIL_H_ |
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26 |
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27 #define DROPBEAR_DBUTIL_H_ |
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28 |
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29 #include "includes.h" |
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30 #include "buffer.h" |
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31 #include "queue.h" |
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32 #include "dbhelpers.h" |
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33 #include "dbmalloc.h" |
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34 |
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35 #ifndef DISABLE_SYSLOG |
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36 void startsyslog(const char *ident); |
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37 #endif |
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38 |
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39 extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN; |
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40 extern void (*_dropbear_log)(int priority, const char* format, va_list param); |
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41 |
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42 void dropbear_exit(const char* format, ...) ATTRIB_PRINTF(1,2) ATTRIB_NORETURN; |
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43 |
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44 void dropbear_close(const char* format, ...) ATTRIB_PRINTF(1,2) ; |
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45 void dropbear_log(int priority, const char* format, ...) ATTRIB_PRINTF(2,3) ; |
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46 |
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47 void fail_assert(const char* expr, const char* file, int line) ATTRIB_NORETURN; |
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48 |
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49 #if DEBUG_TRACE |
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50 void dropbear_trace1(const char* format, ...) ATTRIB_PRINTF(1,2); |
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51 void dropbear_trace2(const char* format, ...) ATTRIB_PRINTF(1,2); |
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52 void dropbear_trace3(const char* format, ...) ATTRIB_PRINTF(1,2); |
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53 void dropbear_trace4(const char* format, ...) ATTRIB_PRINTF(1,2); |
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54 void dropbear_trace5(const char* format, ...) ATTRIB_PRINTF(1,2); |
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55 void printhex(const char * label, const unsigned char * buf, int len); |
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56 void printmpint(const char *label, mp_int *mp); |
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57 void debug_start_net(void); |
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58 extern int debug_trace; |
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59 #endif |
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60 |
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61 char * stripcontrol(const char * text); |
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62 |
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63 int spawn_command(void(*exec_fn)(const void *user_data), const void *exec_data, |
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64 int *writefd, int *readfd, int *errfd, pid_t *pid); |
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65 void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell); |
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66 #if ENABLE_CONNECT_UNIX |
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67 int connect_unix(const char* addr); |
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68 #endif |
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69 int buf_readfile(buffer* buf, const char* filename); |
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70 int buf_getline(buffer * line, FILE * authfile); |
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71 |
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72 void m_close(int fd); |
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73 void setnonblocking(int fd); |
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74 void disallow_core(void); |
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75 int m_str_to_uint(const char* str, unsigned int *val); |
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76 /* The same as snprintf() but exits rather than returning negative */ |
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77 int m_snprintf(char *str, size_t size, const char *format, ...); |
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78 |
26 | 79 /* Used to force mp_ints to be initialised */ |
80 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL} | |
81 | |
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82 /* Dropbear assertion */ |
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83 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0) |
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84 |
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85 /* Returns 0 if a and b have the same contents */ |
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86 int constant_time_memcmp(const void* a, const void *b, size_t n); |
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87 |
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88 /* Returns a time in seconds that doesn't go backwards - does not correspond to |
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89 a real-world clock */ |
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90 time_t monotonic_now(void); |
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91 /* Higher resolution clock_gettime(CLOCK_MONOTONIC) wrapper */ |
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92 void gettime_wrapper(struct timespec *now); |
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93 |
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94 char * expand_homedir_path(const char *inpath); |
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95 |
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96 void fsync_parent_dir(const char* fn); |
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97 |
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98 int fd_read_pending(int fd); |
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99 |
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100 #if DROPBEAR_MSAN |
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101 /* FD_ZERO seems to leave some memory uninitialized. clear it to avoid false positives */ |
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102 #define DROPBEAR_FD_ZERO(fds) do { memset((fds), 0x0, sizeof(fd_set)); FD_ZERO(fds); } while(0) |
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103 #else |
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104 #define DROPBEAR_FD_ZERO(fds) FD_ZERO(fds) |
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105 #endif |
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106 |
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107 /* dropbearmulti entry points */ |
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108 int dropbear_main(int argc, char ** argv, const char * multipath); |
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109 int cli_main(int argc, char ** argv); |
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110 int dropbearkey_main(int argc, char ** argv); |
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111 int dropbearconvert_main(int argc, char ** argv); |
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112 int scp_main(int argc, char ** argv); |
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113 |
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114 |
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115 #endif /* DROPBEAR_DBUTIL_H_ */ |