diff options
Diffstat (limited to 'dbutil.c')
| -rw-r--r-- | dbutil.c | 65 |
1 files changed, 26 insertions, 39 deletions
@@ -120,6 +120,13 @@ static void generic_dropbear_exit(int exitcode, const char* format, _dropbear_log(LOG_INFO, fmtbuf, param); +#ifdef DROPBEAR_FUZZ + // longjmp before cleaning up svr_opts + if (fuzz.do_jmp) { + longjmp(fuzz.jmp, 1); + } +#endif + exit(exitcode); } @@ -392,6 +399,7 @@ void printhex(const char * label, const unsigned char * buf, int len) { void printmpint(const char *label, mp_int *mp) { buffer *buf = buf_new(1000); buf_putmpint(buf, mp); + fprintf(stderr, "%d bits ", mp_count_bits(mp)); printhex(label, buf->data, buf->len); buf_free(buf); @@ -520,57 +528,26 @@ void m_close(int fd) { } } -void * m_malloc(size_t size) { - - void* ret; - - if (size == 0) { - dropbear_exit("m_malloc failed"); - } - ret = calloc(1, size); - if (ret == NULL) { - dropbear_exit("m_malloc failed"); - } - return ret; - -} - -void * m_strdup(const char * str) { - char* ret; - - ret = strdup(str); - if (ret == NULL) { - dropbear_exit("m_strdup failed"); - } - return ret; -} - -void * m_realloc(void* ptr, size_t size) { - - void *ret; - - if (size == 0) { - dropbear_exit("m_realloc failed"); - } - ret = realloc(ptr, size); - if (ret == NULL) { - dropbear_exit("m_realloc failed"); - } - return ret; -} - void setnonblocking(int fd) { TRACE(("setnonblocking: %d", fd)) +#ifdef DROPBEAR_FUZZ + if (fuzz.fuzzing) { + return; + } +#endif + if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0) { if (errno == ENODEV) { /* Some devices (like /dev/null redirected in) * can't be set to non-blocking */ TRACE(("ignoring ENODEV for setnonblocking")) } else { + { dropbear_exit("Couldn't set nonblocking"); } + } } TRACE(("leave setnonblocking")) } @@ -648,7 +625,14 @@ static clockid_t get_linux_clock_source() { #endif time_t monotonic_now() { +#ifdef DROPBEAR_FUZZ + if (fuzz.fuzzing) { + /* time stands still when fuzzing */ + return 5; + } +#endif #if defined(__linux__) && defined(SYS_clock_gettime) + { static clockid_t clock_source = -2; if (clock_source == -2) { @@ -665,9 +649,11 @@ time_t monotonic_now() { } return ts.tv_sec; } + } #endif /* linux clock_gettime */ #if defined(HAVE_MACH_ABSOLUTE_TIME) + { /* OS X, see https://developer.apple.com/library/mac/qa/qa1398/_index.html */ static mach_timebase_info_data_t timebase_info; if (timebase_info.denom == 0) { @@ -675,6 +661,7 @@ time_t monotonic_now() { } return mach_absolute_time() * timebase_info.numer / timebase_info.denom / 1e9; + } #endif /* osx mach_absolute_time */ /* Fallback for everything else - this will sometimes go backwards */ |