Mercurial > dropbear

annotate dbutil.h @ 1371:bc9e2e148f58 fuzz

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
avoid NULL argument to base64 decode
author Matt Johnston <matt@ucc.asn.au>
date Thu, 25 May 2017 00:09:40 +0800
parents f9f930e1a516
children 5916af64acd4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
1 /*
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
2 * Dropbear - a SSH2 server
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
3 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
4 * Copyright (c) 2002,2003 Matt Johnston
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
5 * All rights reserved.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
6 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
7 * Permission is hereby granted, free of charge, to any person obtaining a copy
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
8 * of this software and associated documentation files (the "Software"), to deal
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
9 * in the Software without restriction, including without limitation the rights
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
10 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
11 * copies of the Software, and to permit persons to whom the Software is
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
12 * furnished to do so, subject to the following conditions:
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
13 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
14 * The above copyright notice and this permission notice shall be included in
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
15 * all copies or substantial portions of the Software.
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
16 *
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
20 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
22 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
23 * SOFTWARE. */
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
24
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 1022
diff changeset
25 #ifndef DROPBEAR_DBUTIL_H_
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
26
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 1022
diff changeset
27 #define DROPBEAR_DBUTIL_H_
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
28
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
29 #include "includes.h"
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
30 #include "buffer.h"
1027
daf21fd50abf In theory TFO should work. Needs platform cleanup and testing
Matt Johnston <matt@ucc.asn.au>
parents: 1025
diff changeset
31 #include "queue.h"
1283
3017bc7d6238 move m_burn and function attributes to dbhelpers
Matt Johnston <matt@ucc.asn.au>
parents: 1276
diff changeset
32 #include "dbhelpers.h"
1361
f9f930e1a516 add dbmalloc epoch cleanup
Matt Johnston <matt@ucc.asn.au>
parents: 1343
diff changeset
33 #include "dbmalloc.h"
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
34
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
35 #ifndef DISABLE_SYSLOG
1211
6ecc133fb2ee Allow setting syslog identifier via startsyslog().
Konstantin Tokarev <ktokarev@smartlabs.tv>
parents: 1135
diff changeset
36 void startsyslog(const char *ident);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
37 #endif
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
38
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
39 extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
40 extern void (*_dropbear_log)(int priority, const char* format, va_list param);
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
41
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
42 void dropbear_exit(const char* format, ...) ATTRIB_PRINTF(1,2) ATTRIB_NORETURN;
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
43
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
44 void dropbear_close(const char* format, ...) ATTRIB_PRINTF(1,2) ;
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
45 void dropbear_log(int priority, const char* format, ...) ATTRIB_PRINTF(2,3) ;
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
46
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
47 void fail_assert(const char* expr, const char* file, int line) ATTRIB_NORETURN;
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
48
1295
750ec4ec4cbe Convert #ifdef to #if, other build changes
Matt Johnston <matt@ucc.asn.au>
parents: 1283
diff changeset
49 #if DEBUG_TRACE
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
50 void dropbear_trace(const char* format, ...) ATTRIB_PRINTF(1,2);
731
9a5438271556 Move the more verbose TRACE() statements into TRACE2()
Matt Johnston <matt@ucc.asn.au>
parents: 650
diff changeset
51 void dropbear_trace2(const char* format, ...) ATTRIB_PRINTF(1,2);
198
65585699d980 * add a "label" argument to printhex()
Matt Johnston <matt@ucc.asn.au>
parents: 109
diff changeset
52 void printhex(const char * label, const unsigned char * buf, int len);
764
2202e854d187 add printmpint() for debugging
Matt Johnston <matt@ucc.asn.au>
parents: 650
diff changeset
53 void printmpint(const char *label, mp_int *mp);
1276
9169e4e7cbee fix empty C prototypes
Francois Perrad <francois.perrad@gadz.org>
parents: 1211
diff changeset
54 void debug_start_net(void);
94
c85c88500ea6 DEBUG_TRACE now only triggers with -v on the cmdline
Matt Johnston <matt@ucc.asn.au>
parents: 62
diff changeset
55 extern int debug_trace;
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
56 #endif
614
00eca37e47e8 Add noreturn and format attribute hints for some functions.
Matt Johnston <matt@ucc.asn.au>
parents: 568
diff changeset
57
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
58 char * stripcontrol(const char * text);
871
aa689d140928 - Sockets are set to lowdelay priority initially to improve conneciton setup
Matt Johnston <matt@ucc.asn.au>
parents: 870
diff changeset
59
481
357a2e2e9bcc - Generalise spawn_command function
Matt Johnston <matt@ucc.asn.au>
parents: 425
diff changeset
60 int spawn_command(void(*exec_fn)(void *user_data), void *exec_data,
357a2e2e9bcc - Generalise spawn_command function
Matt Johnston <matt@ucc.asn.au>
parents: 425
diff changeset
61 int *writefd, int *readfd, int *errfd, pid_t *pid);
482
7ad49f34a122 - Add run_shell_command() function to run a "sh -c" command, handling
Matt Johnston <matt@ucc.asn.au>
parents: 481
diff changeset
62 void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell);
225
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 198
diff changeset
63 #ifdef ENABLE_CONNECT_UNIX
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 198
diff changeset
64 int connect_unix(const char* addr);
ca7e76d981d9 - progress towards client agent forwarding
Matt Johnston <matt@ucc.asn.au>
parents: 198
diff changeset
65 #endif
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
66 int buf_readfile(buffer* buf, const char* filename);
52
c8fcd4841956 Forgot dbutil.h with the last commit (added buf_get_line)
Matt Johnston <matt@ucc.asn.au>
parents: 26
diff changeset
67 int buf_getline(buffer * line, FILE * authfile);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
68
277
044bc108b9b3 * Per-IP connection unauthed connection limits
Matt Johnston <matt@ucc.asn.au>
parents: 241
diff changeset
69 void m_close(int fd);
109
2e9d1f29c50f merge of 50be59810e462f9f44f55e421227d6aa0b31982b
Matt Johnston <matt@ucc.asn.au>
parents: 94
diff changeset
70 void setnonblocking(int fd);
1276
9169e4e7cbee fix empty C prototypes
Francois Perrad <francois.perrad@gadz.org>
parents: 1211
diff changeset
71 void disallow_core(void);
492
b956d6151600 Replace calls to strtoul() with a helper m_str_to_uint()
Matt Johnston <matt@ucc.asn.au>
parents: 482
diff changeset
72 int m_str_to_uint(const char* str, unsigned int *val);
4
fe6bca95afa7 Makefile.in contains updated files required
Matt Johnston <matt@ucc.asn.au>
parents:
diff changeset
73
26
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
74 /* Used to force mp_ints to be initialised */
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
75 #define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL}
0969767bca0d snapshot of stuff
Matt Johnston <matt@ucc.asn.au>
parents: 24
diff changeset
76
241
c5d3ef11155f * use own assertions which should get logged properly
Matt Johnston <matt@ucc.asn.au>
parents: 198
diff changeset
77 /* Dropbear assertion */
c5d3ef11155f * use own assertions which should get logged properly
Matt Johnston <matt@ucc.asn.au>
parents: 198
diff changeset
78 #define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0)
c5d3ef11155f * use own assertions which should get logged properly
Matt Johnston <matt@ucc.asn.au>
parents: 198
diff changeset
79
817
a625f9e135a4 Constant time memcmp for the hmac and password crypt
Matt Johnston <matt@ucc.asn.au>
parents: 744
diff changeset
80 /* Returns 0 if a and b have the same contents */
a625f9e135a4 Constant time memcmp for the hmac and password crypt
Matt Johnston <matt@ucc.asn.au>
parents: 744
diff changeset
81 int constant_time_memcmp(const void* a, const void *b, size_t n);
a625f9e135a4 Constant time memcmp for the hmac and password crypt
Matt Johnston <matt@ucc.asn.au>
parents: 744
diff changeset
82
928
7cd89d4e0335 Add new monotonic_now() wrapper so that timeouts are unaffected by
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
83 /* Returns a time in seconds that doesn't go backwards - does not correspond to
7cd89d4e0335 Add new monotonic_now() wrapper so that timeouts are unaffected by
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
84 a real-world clock */
1276
9169e4e7cbee fix empty C prototypes
Francois Perrad <francois.perrad@gadz.org>
parents: 1211
diff changeset
85 time_t monotonic_now(void);
928
7cd89d4e0335 Add new monotonic_now() wrapper so that timeouts are unaffected by
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
86
1134
36557295418e change DROPBEAR_DEFAULT_CLI_AUTHKEY to just prepend homedir
Matt Johnston <matt@ucc.asn.au>
parents: 1049
diff changeset
87 char * expand_homedir_path(const char *inpath);
928
7cd89d4e0335 Add new monotonic_now() wrapper so that timeouts are unaffected by
Matt Johnston <matt@ucc.asn.au>
parents: 871
diff changeset
88
1329
185c14fa504d Use atomic key generation in all cases
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
89 void fsync_parent_dir(const char* fn);
185c14fa504d Use atomic key generation in all cases
Matt Johnston <matt@ucc.asn.au>
parents: 1295
diff changeset
90
1036
deed0571cacc DROPBEAR_ prefix for include guards to avoid collisions
Thorsten Horstmann <thorsten.horstmann@web.de>
parents: 1022
diff changeset
91 #endif /* DROPBEAR_DBUTIL_H_ */