diff options
Diffstat (limited to 'examples/libsmbclient/smbwrapper/smbw_stat.c')
| -rw-r--r-- | examples/libsmbclient/smbwrapper/smbw_stat.c | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/examples/libsmbclient/smbwrapper/smbw_stat.c b/examples/libsmbclient/smbwrapper/smbw_stat.c new file mode 100644 index 0000000000..70b3064d22 --- /dev/null +++ b/examples/libsmbclient/smbwrapper/smbw_stat.c @@ -0,0 +1,146 @@ +/* + Unix SMB/Netbios implementation. + Version 2.0 + SMB wrapper stat functions + Copyright (C) Andrew Tridgell 1998 + Copyright (C) Derrell Lipman 2003-2005 + + 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 2 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, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. +*/ + +#include "smbw.h" + +static int timezone_diff = -1; + +#define TM_YEAR_BASE 1900 + +/******************************************************************* +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 + (TM_YEAR_BASE - 1); + int by = b->tm_year + (TM_YEAR_BASE - 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; +} + +/******************************************************************* + return the UTC offset in seconds west of UTC, or 0 if it cannot be determined + ******************************************************************/ +static int TimeZone(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); + +} + + +static void copy_stat(struct SMBW_stat *external, struct stat *internal) +{ + if (timezone_diff < 0) + { + timezone_diff = TimeZone(time(NULL)); + } + + external->s_dev = internal->st_dev; + external->s_ino = internal->st_ino; + external->s_mode = internal->st_mode; + external->s_nlink = internal->st_nlink; + external->s_uid = internal->st_uid; + external->s_gid = internal->st_gid; + external->s_rdev = internal->st_rdev; + external->s_size = internal->st_size; + external->s_blksize = internal->st_blksize; + external->s_blocks = internal->st_blocks; + external->s_atime = internal->st_atime + timezone_diff; + external->s_mtime = internal->st_mtime + timezone_diff; + external->s_ctime = internal->st_ctime + timezone_diff; +} + + +/***************************************************** +a wrapper for fstat() +*******************************************************/ +int smbw_fstat(int fd_smbw, struct SMBW_stat *st) +{ + int fd_client = smbw_fd_map[fd_smbw]; + struct stat statbuf; + + if (smbc_fstat(fd_client, &statbuf) < 0) { + return -1; + } + + copy_stat(st, &statbuf); + + return 0; +} + + +/***************************************************** +a wrapper for stat() +*******************************************************/ +int smbw_stat(const char *fname, struct SMBW_stat *st) +{ + int simulate; + char *p; + char path[PATH_MAX]; + struct stat statbuf; + + SMBW_INIT(); + + smbw_fix_path(fname, path); + + p = path + 6; /* look just past smb:// */ + simulate = (strchr(p, '/') == NULL); + + /* special case for full-network scan, workgroups, and servers */ + if (simulate) { + statbuf.st_dev = 0; + statbuf.st_ino = 0; + statbuf.st_mode = 0040777; + statbuf.st_nlink = 1; + statbuf.st_uid = 0; + statbuf.st_gid = 0; + statbuf.st_rdev = 0; + statbuf.st_size = 0; + statbuf.st_blksize = 1024; + statbuf.st_blocks = 1; + statbuf.st_atime = 0; /* beginning of epoch */ + statbuf.st_mtime = 0; /* beginning of epoch */ + statbuf.st_ctime = 0; /* beginning of epoch */ + + } else if (smbc_stat(path, &statbuf) < 0) { + return -1; + } + + copy_stat(st, &statbuf); + + return 0; +} |