samba.git - Unnamed repository; edit this file 'description' to name the repository.

diff options

Diffstat (limited to 'source4/lib/util/debug.c')

0 files changed, 0 insertions, 0 deletions

/* Unix SMB/CIFS implementation. time handling functions Copyright (C) Andrew Tridgell 1992-2004 Copyright (C) Stefan (metze) Metzmacher 2002 Copyright (C) Jeremy Allison 2007 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include "includes.h" /** * @file * @brief time handling functions */ #ifndef TIME_T_MIN #define TIME_T_MIN ((time_t)0 < (time_t) -1 ? (time_t) 0 \ : ~ (time_t) 0 << (sizeof (time_t) * CHAR_BIT - 1)) #endif #ifndef TIME_T_MAX #define TIME_T_MAX (~ (time_t) 0 - TIME_T_MIN) #endif #define NTTIME_INFINITY (NTTIME)0x8000000000000000LL /*************************************************************************** External access to time_t_min and time_t_max. ****************************************************************************/ time_t get_time_t_max(void) { return TIME_T_MAX; } /*************************************************************************** A gettimeofday wrapper. ****************************************************************************/ void GetTimeOfDay(struct timeval *tval) { #ifdef HAVE_GETTIMEOFDAY_TZ gettimeofday(tval,NULL); #else gettimeofday(tval); #endif } #if (SIZEOF_LONG == 8) #define TIME_FIXUP_CONSTANT_INT 11644473600L #elif (SIZEOF_LONG_LONG == 8) #define TIME_FIXUP_CONSTANT_INT 11644473600LL #endif /**************************************************************************** Interpret an 8 byte "filetime" structure to a time_t It's originally in "100ns units since jan 1st 1601" An 8 byte value of 0xffffffffffffffff will be returned as a timespec of tv_sec = 0 tv_nsec = 0; Returns GMT. ****************************************************************************/ time_t nt_time_to_unix(NTTIME nt) { return convert_timespec_to_time_t(nt_time_to_unix_timespec(&nt)); } /**************************************************************************** Put a 8 byte filetime from a time_t. Uses GMT. ****************************************************************************/ void unix_to_nt_time(NTTIME *nt, time_t t) { uint64_t t2; if (t == (time_t)-1) { *nt = (NTTIME)-1LL; return; } if (t == TIME_T_MAX) { *nt = 0x7fffffffffffffffLL; return; } if (t == 0) { *nt = 0; return; } t2 = t; t2 += TIME_FIXUP_CONSTANT_INT; t2 *= 1000*1000*10; *nt = t2; } /**************************************************************************** Check if it's a null unix time. ****************************************************************************/ BOOL null_time(time_t t) { return t == 0 || t == (time_t)0xFFFFFFFF || t == (time_t)-1; } /**************************************************************************** Check if it's a null NTTIME. ****************************************************************************/ BOOL null_nttime(NTTIME t) { return t == 0 || t == (NTTIME)-1; } /**************************************************************************** Check if it's a null timespec. ****************************************************************************/ BOOL null_timespec(struct timespec ts) { return ts.tv_sec == 0 || ts.tv_sec == (time_t)0xFFFFFFFF || ts.tv_sec == (time_t)-1; } /******************************************************************* create a 16 bit dos packed date ********************************************************************/ static uint16_t make_dos_date1(struct tm *t) { uint16_t ret=0; ret = (((unsigned int)(t->tm_mon+1)) >> 3) | ((t->tm_year-80) << 1); ret = ((ret&0xFF)<<8) | (t->tm_mday | (((t->tm_mon+1) & 0x7) << 5)); return ret; } /******************************************************************* create a 16 bit dos packed time ********************************************************************/ static uint16_t make_dos_time1(struct tm *t) { uint16_t ret=0; ret = ((((unsigned int)t->tm_min >> 3)&0x7) | (((unsigned int)t->tm_hour) << 3)); ret = ((ret&0xFF)<<8) | ((t->tm_sec/2) | ((t->tm_min & 0x7) << 5)); return ret; } /******************************************************************* create a 32 bit dos packed date/time from some parameters This takes a GMT time and returns a packed localtime structure ********************************************************************/ static uint32_t make_dos_date(time_t unixdate, int zone_offset) { struct tm *t; uint32_t ret=0; if (unixdate == 0) { return 0; } unixdate -= zone_offset; t = gmtime(&unixdate); if (!t) { return 0xFFFFFFFF; } ret = make_dos_date1(t); ret = ((ret&0xFFFF)<<16) | make_dos_time1(t); return ret; } /** put a dos date into a buffer (time/date format) This takes GMT time and puts local time in the buffer **/ void push_dos_date(uint8_t *buf, int offset, time_t unixdate, int zone_offset) { uint32_t x = make_dos_date(unixdate, zone_offset); SIVAL(buf,offset,x); } /** put a dos date into a buffer (date/time format) This takes GMT time and puts local time in the buffer **/ void push_dos_date2(uint8_t *buf,int offset,time_t unixdate, int zone_offset) { uint32_t x; x = make_dos_date(unixdate, zone_offset); x = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16); SIVAL(buf,offset,x); } /** put a dos 32 bit "unix like" date into a buffer. This routine takes GMT and converts it to LOCAL time before putting it (most SMBs assume localtime for this sort of date) **/ void push_dos_date3(uint8_t *buf,int offset,time_t unixdate, int zone_offset) { if (!null_time(unixdate)) { unixdate -= zone_offset; } SIVAL(buf,offset,unixdate); } /******************************************************************* interpret a 32 bit dos packed date/time to some parameters ********************************************************************/ static void interpret_dos_date(uint32_t date,int *year,int *month,int *day,int *hour,int *minute,int *second) { uint32_t p0,p1,p2,p3; p0=date&0xFF; p1=((date&0xFF00)>>8)&0xFF; p2=((date&0xFF0000)>>16)&0xFF; p3=((date&0xFF000000)>>24)&0xFF; *second = 2*(p0 & 0x1F); *minute = ((p0>>5)&0xFF) + ((p1&0x7)<<3); *hour = (p1>>3)&0xFF; *day = (p2&0x1F); *month = ((p2>>5)&0xFF) + ((p3&0x1)<<3) - 1; *year = ((p3>>1)&0xFF) + 80; } /** create a unix date (int GMT) from a dos date (which is actually in localtime) **/ time_t pull_dos_date(const uint8_t *date_ptr, int zone_offset) { uint32_t dos_date=0; struct tm t; time_t ret; dos_date = IVAL(date_ptr,0); if (dos_date == 0) return (time_t)0; interpret_dos_date(dos_date,&t.tm_year,&t.tm_mon, &t.tm_mday,&t.tm_hour,&t.tm_min,&t.tm_sec); t.tm_isdst = -1; ret = timegm(&t); ret += zone_offset; return ret; } /** like make_unix_date() but the words are reversed **/ time_t pull_dos_date2(const uint8_t *date_ptr, int zone_offset) { uint32_t x,x2; x = IVAL(date_ptr,0); x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16); SIVAL(&x,0,x2); return pull_dos_date((const uint8_t *)&x, zone_offset); } /** create a unix GMT date from a dos date in 32 bit "unix like" format these generally arrive as localtimes, with corresponding DST **/ time_t pull_dos_date3(const uint8_t *date_ptr, int zone_offset) { time_t t = (time_t)IVAL(date_ptr,0); if (!null_time(t)) { t += zone_offset; } return t; } /*************************************************************************** Return a HTTP/1.0 time string. ***************************************************************************/ char *http_timestring(time_t t) { fstring buf; struct tm *tm = localtime(&t); if (t == TIME_T_MAX) { fstrcpy(buf, "never"); } else if (!tm) { fstr_sprintf(buf, "%ld seconds since the Epoch", (long)t); } else { #ifndef HAVE_STRFTIME const char *asct = asctime(tm); fstrcpy(buf, asct ? asct : "unknown"); } if(buf[strlen(buf)-1] == '\n') { buf[strlen(buf)-1] = 0; #else /* !HAVE_STRFTIME */ strftime(buf, sizeof(buf)-1, "%a, %d %b %Y %H:%M:%S %Z", tm); #endif /* !HAVE_STRFTIME */ } return talloc_strdup(talloc_tos(), buf); } /** Return the date and time as a string **/ char *timestring(TALLOC_CTX *mem_ctx, time_t t) { char *TimeBuf; char tempTime[80]; struct tm *tm; tm = localtime(&t); if (!tm) { return talloc_asprintf(mem_ctx, "%ld seconds since the Epoch", (long)t); } #ifdef HAVE_STRFTIME /* some versions of gcc complain about using %c. This is a bug in the gcc warning, not a bug in this code. See a recent strftime() manual page for details. */ strftime(tempTime,sizeof(tempTime)-1,"%c %Z",tm); TimeBuf = talloc_strdup(mem_ctx, tempTime); #else TimeBuf = talloc_strdup(mem_ctx, asctime(tm)); #endif return TimeBuf; } /** return a talloced string representing a NTTIME for human consumption */ const char *nt_time_string(TALLOC_CTX *mem_ctx, NTTIME nt) { time_t t; if (nt == 0) { return "NTTIME(0)"; } t = nt_time_to_unix(nt); return timestring(mem_ctx, t); } /** parse a nttime as a large integer in a string and return a NTTIME */ NTTIME nttime_from_string(const char *s) { return strtoull(s, NULL, 0); } /** return (tv1 - tv2) in microseconds */ int64_t usec_time_diff(struct timeval *tv1, struct timeval *tv2) { int64_t sec_diff = tv1->tv_sec - tv2->tv_sec; return (sec_diff * 1000000) + (int64_t)(tv1->tv_usec - tv2->tv_usec); } /** return a zero timeval */ struct timeval timeval_zero(void) { struct timeval tv; tv.tv_sec = 0; tv.tv_usec = 0; return tv; } /** return True if a timeval is zero */ BOOL timeval_is_zero(const struct timeval *tv) { return tv->tv_sec == 0 && tv->tv_usec == 0; } /** return a timeval for the current time */ struct timeval timeval_current(void) { struct timeval tv; GetTimeOfDay(&tv); return tv; } /** return a timeval struct with the given elements */ struct timeval timeval_set(uint32_t secs, uint32_t usecs) { struct timeval tv; tv.tv_sec = secs; tv.tv_usec = usecs; return tv; } /** return a timeval ofs microseconds after tv */ struct timeval timeval_add(const struct timeval *tv, uint32_t secs, uint32_t usecs) { struct timeval tv2 = *tv; const unsigned int million = 1000000; tv2.tv_sec += secs; tv2.tv_usec += usecs; tv2.tv_sec += tv2.tv_usec / million; tv2.tv_usec = tv2.tv_usec % million; return tv2; } /** return the sum of two timeval structures */ struct timeval timeval_sum(const struct timeval *tv1, const struct timeval *tv2) { return timeval_add(tv1, tv2->tv_sec, tv2->tv_usec); } /** return a timeval secs/usecs into the future */ struct timeval timeval_current_ofs(uint32_t secs, uint32_t usecs) { struct timeval tv = timeval_current(); return timeval_add(&tv, secs, usecs); } /** compare two timeval structures. Return -1 if tv1 < tv2 Return 0 if tv1 == tv2 Return 1 if tv1 > tv2 */ int timeval_compare(const struct timeval *tv1, const struct timeval *tv2) { if (tv1->tv_sec > tv2->tv_sec) return 1; if (tv1->tv_sec < tv2->tv_sec) return -1; if (tv1->tv_usec > tv2->tv_usec) return 1; if (tv1->tv_usec < tv2->tv_usec) return -1; return 0; } /** return True if a timer is in the past */ BOOL timeval_expired(const struct timeval *tv) { struct timeval tv2 = timeval_current(); if (tv2.tv_sec > tv->tv_sec) return True; if (tv2.tv_sec < tv->tv_sec) return False; return (tv2.tv_usec >= tv->tv_usec); } /** return the number of seconds elapsed between two times */ double timeval_elapsed2(const struct timeval *tv1, const struct timeval *tv2) { return (tv2->tv_sec - tv1->tv_sec) + (tv2->tv_usec - tv1->tv_usec)*1.0e-6; } /** return the number of seconds elapsed since a given time */ double timeval_elapsed(const struct timeval *tv) { struct timeval tv2 = timeval_current(); return timeval_elapsed2(tv, &tv2); } /** return the lesser of two timevals */ struct timeval timeval_min(const struct timeval *tv1, const struct timeval *tv2) { if (tv1->tv_sec < tv2->tv_sec) return *tv1; if (tv1->tv_sec > tv2->tv_sec) return *tv2; if (tv1->tv_usec < tv2->tv_usec) return *tv1; return *tv2; } /** return the greater of two timevals */ struct timeval timeval_max(const struct timeval *tv1, const struct timeval *tv2) { if (tv1->tv_sec > tv2->tv_sec) return *tv1; if (tv1->tv_sec < tv2->tv_sec) return *tv2; if (tv1->tv_usec > tv2->tv_usec) return *tv1; return *tv2; } /** return the difference between two timevals as a timeval if tv1 comes after tv2, then return a zero timeval (this is *tv2 - *tv1) */ struct timeval timeval_until(const struct timeval *tv1, const struct timeval *tv2) { struct timeval t; if (timeval_compare(tv1, tv2) >= 0) { return timeval_zero(); } t.tv_sec = tv2->tv_sec - tv1->tv_sec; if (tv1->tv_usec > tv2->tv_usec) { t.tv_sec--; t.tv_usec = 1000000 - (tv1->tv_usec - tv2->tv_usec); } else { t.tv_usec = tv2->tv_usec - tv1->tv_usec; } return t; } /** convert a timeval to a NTTIME */ NTTIME timeval_to_nttime(const struct timeval *tv) { return 10*(tv->tv_usec + ((TIME_FIXUP_CONSTANT_INT + (uint64_t)tv->tv_sec) * 1000000)); } /************************************************************** Handle conversions between time_t and uint32, taking care to preserve the "special" values. **************************************************************/ uint32 convert_time_t_to_uint32(time_t t) { #if (defined(SIZEOF_TIME_T) && (SIZEOF_TIME_T == 8)) /* time_t is 64-bit. */ if (t == 0x8000000000000000LL) { return 0x80000000; } else if (t == 0x7FFFFFFFFFFFFFFFLL) { return 0x7FFFFFFF; } #endif return (uint32)t; } time_t convert_uint32_to_time_t(uint32 u) { #if (defined(SIZEOF_TIME_T) && (SIZEOF_TIME_T == 8)) /* time_t is 64-bit. */ if (u == 0x80000000) { return (time_t)0x8000000000000000LL; } else if (u == 0x7FFFFFFF) { return (time_t)0x7FFFFFFFFFFFFFFFLL; } #endif return (time_t)u; } /******************************************************************* Yield the difference between *A and *B, in seconds, ignoring leap seconds. ********************************************************************/ static int tm_diff(struct tm *a, struct tm *b) { int ay = a->tm_year + (1900 - 1); int by = b->tm_year + (1900 - 1); int intervening_leap_days = (ay/4 - by/4) - (ay/100 - by/100) + (ay/400 - by/400); int years = ay - by; int days = 365*years + intervening_leap_days + (a->tm_yday - b->tm_yday); int hours = 24*days + (a->tm_hour - b->tm_hour); int minutes = 60*hours + (a->tm_min - b->tm_min); int seconds = 60*minutes + (a->tm_sec - b->tm_sec); return seconds; } int extra_time_offset=0; /******************************************************************* Return the UTC offset in seconds west of UTC, or 0 if it cannot be determined. ********************************************************************/ int get_time_zone(time_t t) { struct tm *tm = gmtime(&t); struct tm tm_utc; if (!tm) return 0; tm_utc = *tm; tm = localtime(&t); if (!tm) return 0; return tm_diff(&tm_utc,tm)+60*extra_time_offset; } /**************************************************************************** Check if NTTIME is 0. ****************************************************************************/ BOOL nt_time_is_zero(const NTTIME *nt) { return (*nt == 0); } /**************************************************************************** Convert ASN.1 GeneralizedTime string to unix-time. Returns 0 on failure; Currently ignores timezone. ****************************************************************************/ time_t generalized_to_unix_time(const char *str) { struct tm tm; ZERO_STRUCT(tm); if (sscanf(str, "%4d%2d%2d%2d%2d%2d", &tm.tm_year, &tm.tm_mon, &tm.tm_mday, &tm.tm_hour, &tm.tm_min, &tm.tm_sec) != 6) { return 0; } tm.tm_year -= 1900; tm.tm_mon -= 1; return timegm(&tm); } /******************************************************************* Accessor function for the server time zone offset. set_server_zone_offset() must have been called first. ******************************************************************/ static int server_zone_offset; int get_server_zone_offset(void) { return server_zone_offset; } /******************************************************************* Initialize the server time zone offset. Called when a client connects. ******************************************************************/ int set_server_zone_offset(time_t t) { server_zone_offset = get_time_zone(t); return server_zone_offset; } /**************************************************************************** Return the date and time as a string ****************************************************************************/ char *current_timestring(BOOL hires) { fstring TimeBuf; struct timeval tp; time_t t; struct tm *tm; if (hires) { GetTimeOfDay(&tp); t = (time_t)tp.tv_sec; } else { t = time(NULL); } tm = localtime(&t); if (!tm) { if (hires) { slprintf(TimeBuf, sizeof(TimeBuf)-1, "%ld.%06ld seconds since the Epoch", (long)tp.tv_sec, (long)tp.tv_usec); } else { slprintf(TimeBuf, sizeof(TimeBuf)-1, "%ld seconds since the Epoch", (long)t); } } else { #ifdef HAVE_STRFTIME if (hires) { strftime(TimeBuf,sizeof(TimeBuf)-1,"%Y/%m/%d %H:%M:%S",tm); slprintf(TimeBuf+strlen(TimeBuf), sizeof(TimeBuf)-1 - strlen(TimeBuf), ".%06ld", (long)tp.tv_usec); } else { strftime(TimeBuf,sizeof(TimeBuf)-1,"%Y/%m/%d %H:%M:%S",tm); } #else if (hires) { const char *asct = asctime(tm); slprintf(TimeBuf, sizeof(TimeBuf)-1, "%s.%06ld", asct ? asct : "unknown", (long)tp.tv_usec); } else { const char *asct = asctime(tm); fstrcpy(TimeBuf, asct ? asct : "unknown"); } #endif } return talloc_strdup(talloc_tos(), TimeBuf); } /******************************************************************* Put a dos date into a buffer (time/date format). This takes GMT time and puts local time in the buffer. ********************************************************************/ static void put_dos_date(char *buf,int offset,time_t unixdate, int zone_offset) { uint32 x = make_dos_date(unixdate, zone_offset); SIVAL(buf,offset,x); } /******************************************************************* Put a dos date into a buffer (date/time format). This takes GMT time and puts local time in the buffer. ********************************************************************/ static void put_dos_date2(char *buf,int offset,time_t unixdate, int zone_offset) { uint32 x = make_dos_date(unixdate, zone_offset); x = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16); SIVAL(buf,offset,x); } /******************************************************************* Put a dos 32 bit "unix like" date into a buffer. This routine takes GMT and converts it to LOCAL time before putting it (most SMBs assume localtime for this sort of date) ********************************************************************/ static void put_dos_date3(char *buf,int offset,time_t unixdate, int zone_offset) { if (!null_mtime(unixdate)) { unixdate -= zone_offset; } SIVAL(buf,offset,unixdate); } /*************************************************************************** Server versions of the above functions. ***************************************************************************/ void srv_put_dos_date(char *buf,int offset,time_t unixdate) { put_dos_date(buf, offset, unixdate, server_zone_offset); } void srv_put_dos_date2(char *buf,int offset, time_t unixdate) { put_dos_date2(buf, offset, unixdate, server_zone_offset); } void srv_put_dos_date3(char *buf,int offset,time_t unixdate) { put_dos_date3(buf, offset, unixdate, server_zone_offset); } /**************************************************************************** Take a Unix time and convert to an NTTIME structure and place in buffer pointed to by p. ****************************************************************************/ void put_long_date_timespec(char *p, struct timespec ts) { NTTIME nt; unix_timespec_to_nt_time(&nt, ts); SIVAL(p, 0, nt & 0xFFFFFFFF); SIVAL(p, 4, nt >> 32); } void put_long_date(char *p, time_t t) { struct timespec ts; ts.tv_sec = t; ts.tv_nsec = 0; put_long_date_timespec(p, ts); } /**************************************************************************** Return the best approximation to a 'create time' under UNIX from a stat structure. ****************************************************************************/ time_t get_create_time(const SMB_STRUCT_STAT *st,BOOL fake_dirs) { time_t ret, ret1; if(S_ISDIR(st->st_mode) && fake_dirs) { return (time_t)315493200L; /* 1/1/1980 */ } ret = MIN(st->st_ctime, st->st_mtime); ret1 = MIN(ret, st->st_atime); if(ret1 != (time_t)0) { return ret1; } /* * One of ctime, mtime or atime was zero (probably atime). * Just return MIN(ctime, mtime). */ return ret; } struct timespec get_create_timespec(const SMB_STRUCT_STAT *st,BOOL fake_dirs) { struct timespec ts; ts.tv_sec = get_create_time(st, fake_dirs); ts.tv_nsec = 0; return ts; } /**************************************************************************** Get/Set all the possible time fields from a stat struct as a timespec. ****************************************************************************/ struct timespec get_atimespec(const SMB_STRUCT_STAT *pst) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) struct timespec ret; /* Old system - no ns timestamp. */ ret.tv_sec = pst->st_atime; ret.tv_nsec = 0; return ret; #else #if defined(HAVE_STAT_ST_ATIM) return pst->st_atim; #elif defined(HAVE_STAT_ST_ATIMENSEC) struct timespec ret; ret.tv_sec = pst->st_atime; ret.tv_nsec = pst->st_atimensec; return ret; #else #error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT #endif #endif } void set_atimespec(SMB_STRUCT_STAT *pst, struct timespec ts) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) /* Old system - no ns timestamp. */ pst->st_atime = ts.tv_sec; #else #if defined(HAVE_STAT_ST_ATIM) pst->st_atim = ts; #elif defined(HAVE_STAT_ST_ATIMENSEC) pst->st_atime = ts.tv_sec; pst->st_atimensec = ts.tv_nsec #else #error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT #endif #endif } struct timespec get_mtimespec(const SMB_STRUCT_STAT *pst) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) struct timespec ret; /* Old system - no ns timestamp. */ ret.tv_sec = pst->st_mtime; ret.tv_nsec = 0; return ret; #else #if defined(HAVE_STAT_ST_MTIM) return pst->st_mtim; #elif defined(HAVE_STAT_ST_MTIMENSEC) struct timespec ret; ret.tv_sec = pst->st_mtime; ret.tv_nsec = pst->st_mtimensec; return ret; #else #error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT #endif #endif } void set_mtimespec(SMB_STRUCT_STAT *pst, struct timespec ts) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) /* Old system - no ns timestamp. */ pst->st_mtime = ts.tv_sec; #else #if defined(HAVE_STAT_ST_MTIM) pst->st_mtim = ts; #elif defined(HAVE_STAT_ST_MTIMENSEC) pst->st_mtime = ts.tv_sec; pst->st_mtimensec = ts.tv_nsec #else #error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT #endif #endif } struct timespec get_ctimespec(const SMB_STRUCT_STAT *pst) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) struct timespec ret; /* Old system - no ns timestamp. */ ret.tv_sec = pst->st_ctime; ret.tv_nsec = 0; return ret; #else #if defined(HAVE_STAT_ST_CTIM) return pst->st_ctim; #elif defined(HAVE_STAT_ST_CTIMENSEC) struct timespec ret; ret.tv_sec = pst->st_ctime; ret.tv_nsec = pst->st_ctimensec; return ret; #else #error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT #endif #endif } void set_ctimespec(SMB_STRUCT_STAT *pst, struct timespec ts) { #if !defined(HAVE_STAT_HIRES_TIMESTAMPS) /* Old system - no ns timestamp. */ pst->st_ctime = ts.tv_sec; #else #if defined(HAVE_STAT_ST_CTIM) pst->st_ctim = ts; #elif defined(HAVE_STAT_ST_CTIMENSEC) pst->st_ctime = ts.tv_sec; pst->st_ctimensec = ts.tv_nsec #else #error CONFIGURE_ERROR_IN_DETECTING_TIMESPEC_IN_STAT #endif #endif } void dos_filetime_timespec(struct timespec *tsp) { tsp->tv_sec &= ~1; tsp->tv_nsec = 0; } /******************************************************************* Create a unix date (int GMT) from a dos date (which is actually in localtime). ********************************************************************/ static time_t make_unix_date(const void *date_ptr, int zone_offset) { uint32 dos_date=0; struct tm t; time_t ret; dos_date = IVAL(date_ptr,0); if (dos_date == 0) { return 0; } interpret_dos_date(dos_date,&t.tm_year,&t.tm_mon, &t.tm_mday,&t.tm_hour,&t.tm_min,&t.tm_sec); t.tm_isdst = -1; ret = timegm(&t); ret += zone_offset; return(ret); } /******************************************************************* Like make_unix_date() but the words are reversed. ********************************************************************/ static time_t make_unix_date2(const void *date_ptr, int zone_offset) { uint32 x,x2; x = IVAL(date_ptr,0); x2 = ((x&0xFFFF)<<16) | ((x&0xFFFF0000)>>16); SIVAL(&x,0,x2); return(make_unix_date((const void *)&x, zone_offset)); } /******************************************************************* Create a unix GMT date from a dos date in 32 bit "unix like" format these generally arrive as localtimes, with corresponding DST. ******************************************************************/ static time_t make_unix_date3(const void *date_ptr, int zone_offset) { time_t t = (time_t)IVAL(date_ptr,0); if (!null_mtime(t)) { t += zone_offset; } return(t); } time_t srv_make_unix_date(const void *date_ptr) { return make_unix_date(date_ptr, server_zone_offset); } time_t srv_make_unix_date2(const void *date_ptr) { return make_unix_date2(date_ptr, server_zone_offset); } time_t srv_make_unix_date3(const void *date_ptr) { return make_unix_date3(date_ptr, server_zone_offset); } time_t convert_timespec_to_time_t(struct timespec ts) { /* 1 ns == 1,000,000,000 - one thousand millionths of a second. increment if it's greater than 500 millionth of a second. */ if (ts.tv_nsec > 500000000) { return ts.tv_sec + 1; } return ts.tv_sec; } struct timespec convert_time_t_to_timespec(time_t t) { struct timespec ts; ts.tv_sec = t; ts.tv_nsec = 0; return ts; } /**************************************************************************** Convert a normalized timeval to a timespec. ****************************************************************************/ struct timespec convert_timeval_to_timespec(const struct timeval tv) { struct timespec ts; ts.tv_sec = tv.tv_sec; ts.tv_nsec = tv.tv_usec * 1000; return ts; } /**************************************************************************** Convert a normalized timespec to a timeval. ****************************************************************************/ struct timeval convert_timespec_to_timeval(const struct timespec ts) { struct timeval tv; tv.tv_sec = ts.tv_sec; tv.tv_usec = ts.tv_nsec / 1000; return tv; } /**************************************************************************** Return a timespec for the current time ****************************************************************************/ struct timespec timespec_current(void) { struct timeval tv; struct timespec ts; GetTimeOfDay(&tv); ts.tv_sec = tv.tv_sec; ts.tv_nsec = tv.tv_usec * 1000; return ts; } /**************************************************************************** Return the lesser of two timespecs. ****************************************************************************/ struct timespec timespec_min(const struct timespec *ts1, const struct timespec *ts2) { if (ts1->tv_sec < ts2->tv_sec) return *ts1; if (ts1->tv_sec > ts2->tv_sec) return *ts2; if (ts1->tv_nsec < ts2->tv_nsec) return *ts1; return *ts2; } /**************************************************************************** compare two timespec structures. Return -1 if ts1 < ts2 Return 0 if ts1 == ts2 Return 1 if ts1 > ts2 ****************************************************************************/ int timespec_compare(const struct timespec *ts1, const struct timespec *ts2) { if (ts1->tv_sec > ts2->tv_sec) return 1; if (ts1->tv_sec < ts2->tv_sec) return -1; if (ts1->tv_nsec > ts2->tv_nsec) return 1; if (ts1->tv_nsec < ts2->tv_nsec) return -1; return 0; } /**************************************************************************** Interprets an nt time into a unix struct timespec. Differs from nt_time_to_unix in that an 8 byte value of 0xffffffffffffffff will be returned as (time_t)-1, whereas nt_time_to_unix returns 0 in this case. ****************************************************************************/ struct timespec interpret_long_date(const char *p) { NTTIME nt; nt = IVAL(p,0) + ((uint64_t)IVAL(p,4) << 32); if (nt == (uint64_t)-1) { struct timespec ret; ret.tv_sec = (time_t)-1; ret.tv_nsec = 0; return ret; } return nt_time_to_unix_timespec(&nt); } /*************************************************************************** Client versions of the above functions. ***************************************************************************/ void cli_put_dos_date(struct cli_state *cli, char *buf, int offset, time_t unixdate) { put_dos_date(buf, offset, unixdate, cli->serverzone); } void cli_put_dos_date2(struct cli_state *cli, char *buf, int offset, time_t unixdate) { put_dos_date2(buf, offset, unixdate, cli->serverzone); } void cli_put_dos_date3(struct cli_state *cli, char *buf, int offset, time_t unixdate) { put_dos_date3(buf, offset, unixdate, cli->serverzone); } time_t cli_make_unix_date(struct cli_state *cli, void *date_ptr) { return make_unix_date(date_ptr, cli->serverzone); } time_t cli_make_unix_date2(struct cli_state *cli, void *date_ptr) { return make_unix_date2(date_ptr, cli->serverzone); } time_t cli_make_unix_date3(struct cli_state *cli, void *date_ptr) { return make_unix_date3(date_ptr, cli->serverzone); } /* Large integer version. */ struct timespec nt_time_to_unix_timespec(NTTIME *nt) { int64 d; struct timespec ret; if (*nt == 0 || *nt == (int64)-1) { ret.tv_sec = 0; ret.tv_nsec = 0; return ret; } d = (int64)*nt; /* d is now in 100ns units, since jan 1st 1601". Save off the ns fraction. */ ret.tv_nsec = (long) ((d % 100) * 100); /* Convert to seconds */ d /= 1000*1000*10; /* Now adjust by 369 years to make the secs since 1970 */ d -= TIME_FIXUP_CONSTANT_INT; if (d <= (int64)TIME_T_MIN) { ret.tv_sec = TIME_T_MIN; ret.tv_nsec = 0; return ret; } if (d >= (int64)TIME_T_MAX) { ret.tv_sec = TIME_T_MAX; ret.tv_nsec = 0; return ret; } ret.tv_sec = (time_t)d; return ret; } /**************************************************************************** Check if two NTTIMEs are the same. ****************************************************************************/ BOOL nt_time_equals(const NTTIME *nt1, const NTTIME *nt2) { return (*nt1 == *nt2); } /******************************************************************* Re-read the smb serverzone value. ******************************************************************/ static struct timeval start_time_hires; void TimeInit(void) { set_server_zone_offset(time(NULL)); DEBUG(4,("TimeInit: Serverzone is %d\n", server_zone_offset)); /* Save the start time of this process. */ if (start_time_hires.tv_sec == 0 && start_time_hires.tv_usec == 0) { GetTimeOfDay(&start_time_hires); } } /********************************************************************** Return a timeval struct of the uptime of this process. As TimeInit is done before a daemon fork then this is the start time from the parent daemon start. JRA. ***********************************************************************/ void get_process_uptime(struct timeval *ret_time) { struct timeval time_now_hires; GetTimeOfDay(&time_now_hires); ret_time->tv_sec = time_now_hires.tv_sec - start_time_hires.tv_sec; if (time_now_hires.tv_usec < start_time_hires.tv_usec) { ret_time->tv_sec -= 1; ret_time->tv_usec = 1000000 + (time_now_hires.tv_usec - start_time_hires.tv_usec); } else { ret_time->tv_usec = time_now_hires.tv_usec - start_time_hires.tv_usec; } } /**************************************************************************** Convert a NTTIME structure to a time_t. It's originally in "100ns units". This is an absolute version of the one above. By absolute I mean, it doesn't adjust from 1/1/1601 to 1/1/1970 if the NTTIME was 5 seconds, the time_t is 5 seconds. JFM ****************************************************************************/ time_t nt_time_to_unix_abs(const NTTIME *nt) { uint64 d; if (*nt == 0) { return (time_t)0; } if (*nt == (uint64)-1) { return (time_t)-1; } if (*nt == NTTIME_INFINITY) { return (time_t)-1; } /* reverse the time */ /* it's a negative value, turn it to positive */ d=~*nt; d += 1000*1000*10/2; d /= 1000*1000*10; if (!(TIME_T_MIN <= ((time_t)d) && ((time_t)d) <= TIME_T_MAX)) { return (time_t)0; } return (time_t)d; } /**************************************************************************** Put a 8 byte filetime from a struct timespec. Uses GMT. ****************************************************************************/ void unix_timespec_to_nt_time(NTTIME *nt, struct timespec ts) { uint64 d; if (ts.tv_sec ==0 && ts.tv_nsec == 0) { *nt = 0; return; } if (ts.tv_sec == TIME_T_MAX) { *nt = 0x7fffffffffffffffLL; return; } if (ts.tv_sec == (time_t)-1) { *nt = (uint64)-1; return; } d = ts.tv_sec; d += TIME_FIXUP_CONSTANT_INT; d *= 1000*1000*10; /* d is now in 100ns units. */ d += (ts.tv_nsec / 100); *nt = d; }


context:
space:
mode: