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author | TJ Kolev <tjkolev@gmail.com> | 2023-02-02 15:10:37 -0600 |
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committer | TJ Kolev <tjkolev@gmail.com> | 2023-02-02 15:10:37 -0600 |
commit | fdcadd906c21dcf2c09a965a6046f7bf9de84a69 (patch) | |
tree | f3ca129cb8f9d058a963fafadb707fee26b8a872 /src/dbutil.h | |
parent | 9defeb477aebf0eb575885eb1fd4a4330ce52531 (diff) | |
download | dropbear-fdcadd906c21dcf2c09a965a6046f7bf9de84a69.tar.gz |
Dropbear SSH - file structure reorg
Separating source and binaries.
* Dropbear source files (.c, .h) were moved under
a new ./src folder.
* Object binaries get generated into the ./obj folder.
This helps to keep less cluttered project.
tjk :)
Diffstat (limited to 'src/dbutil.h')
-rw-r--r-- | src/dbutil.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/dbutil.h b/src/dbutil.h new file mode 100644 index 0000000..df2f89b --- /dev/null +++ b/src/dbutil.h @@ -0,0 +1,115 @@ +/* + * Dropbear - a SSH2 server + * + * Copyright (c) 2002,2003 Matt Johnston + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. */ + +#ifndef DROPBEAR_DBUTIL_H_ + +#define DROPBEAR_DBUTIL_H_ + +#include "includes.h" +#include "buffer.h" +#include "queue.h" +#include "dbhelpers.h" +#include "dbmalloc.h" + +#ifndef DISABLE_SYSLOG +void startsyslog(const char *ident); +#endif + +extern void (*_dropbear_exit)(int exitcode, const char* format, va_list param) ATTRIB_NORETURN; +extern void (*_dropbear_log)(int priority, const char* format, va_list param); + +void dropbear_exit(const char* format, ...) ATTRIB_PRINTF(1,2) ATTRIB_NORETURN; + +void dropbear_close(const char* format, ...) ATTRIB_PRINTF(1,2) ; +void dropbear_log(int priority, const char* format, ...) ATTRIB_PRINTF(2,3) ; + +void fail_assert(const char* expr, const char* file, int line) ATTRIB_NORETURN; + +#if DEBUG_TRACE +void dropbear_trace1(const char* format, ...) ATTRIB_PRINTF(1,2); +void dropbear_trace2(const char* format, ...) ATTRIB_PRINTF(1,2); +void dropbear_trace3(const char* format, ...) ATTRIB_PRINTF(1,2); +void dropbear_trace4(const char* format, ...) ATTRIB_PRINTF(1,2); +void dropbear_trace5(const char* format, ...) ATTRIB_PRINTF(1,2); +void printhex(const char * label, const unsigned char * buf, int len); +void printmpint(const char *label, const mp_int *mp); +void debug_start_net(void); +extern int debug_trace; +#endif + +char * stripcontrol(const char * text); + +int spawn_command(void(*exec_fn)(const void *user_data), const void *exec_data, + int *writefd, int *readfd, int *errfd, pid_t *pid); +void run_shell_command(const char* cmd, unsigned int maxfd, char* usershell); +#if ENABLE_CONNECT_UNIX +int connect_unix(const char* addr); +#endif +int buf_readfile(buffer* buf, const char* filename); +int buf_getline(buffer * line, FILE * authfile); + +void m_close(int fd); +void setnonblocking(int fd); +void disallow_core(void); +int m_str_to_uint(const char* str, unsigned int *val); +/* The same as snprintf() but exits rather than returning negative */ +int m_snprintf(char *str, size_t size, const char *format, ...); + +/* Used to force mp_ints to be initialised */ +#define DEF_MP_INT(X) mp_int X = {0, 0, 0, NULL} + +/* Dropbear assertion */ +#define dropbear_assert(X) do { if (!(X)) { fail_assert(#X, __FILE__, __LINE__); } } while (0) + +/* Returns 0 if a and b have the same contents */ +int constant_time_memcmp(const void* a, const void *b, size_t n); + +/* Returns a time in seconds that doesn't go backwards - does not correspond to +a real-world clock */ +time_t monotonic_now(void); +/* Higher resolution clock_gettime(CLOCK_MONOTONIC) wrapper */ +void gettime_wrapper(struct timespec *now); + +char * expand_homedir_path(const char *inpath); + +void fsync_parent_dir(const char* fn); + +int fd_read_pending(int fd); + +#if DROPBEAR_MSAN +/* FD_ZERO seems to leave some memory uninitialized. clear it to avoid false positives */ +#define DROPBEAR_FD_ZERO(fds) do { memset((fds), 0x0, sizeof(fd_set)); FD_ZERO(fds); } while(0) +#else +#define DROPBEAR_FD_ZERO(fds) FD_ZERO(fds) +#endif + +/* dropbearmulti entry points */ +int dropbear_main(int argc, char ** argv, const char * multipath); +int cli_main(int argc, char ** argv); +int dropbearkey_main(int argc, char ** argv); +int dropbearconvert_main(int argc, char ** argv); +int scp_main(int argc, char ** argv); + + +#endif /* DROPBEAR_DBUTIL_H_ */ |