1/* 2 Unix SMB/CIFS implementation. 3 SMB wrapper stat functions 4 Copyright (C) Andrew Tridgell 1998 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19*/ 20 21#include "includes.h" 22 23extern int smbw_busy; 24 25/***************************************************** 26setup basic info in a stat structure 27*******************************************************/ 28void smbw_setup_stat(struct stat *st, char *fname, size_t size, int mode) 29{ 30 st->st_mode = 0; 31 32 if (IS_DOS_DIR(mode)) { 33 st->st_mode = SMBW_DIR_MODE; 34 } else { 35 st->st_mode = SMBW_FILE_MODE; 36 } 37 38 if (IS_DOS_ARCHIVE(mode)) st->st_mode |= S_IXUSR; 39 if (IS_DOS_SYSTEM(mode)) st->st_mode |= S_IXGRP; 40 if (IS_DOS_HIDDEN(mode)) st->st_mode |= S_IXOTH; 41 if (!IS_DOS_READONLY(mode)) st->st_mode |= S_IWUSR; 42 43 st->st_size = size; 44#ifdef HAVE_STAT_ST_BLKSIZE 45 st->st_blksize = 512; 46#endif 47#ifdef HAVE_STAT_ST_BLOCKS 48 st->st_blocks = (size+511)/512; 49#endif 50 st->st_uid = getuid(); 51 st->st_gid = getgid(); 52 if (IS_DOS_DIR(mode)) { 53 st->st_nlink = 2; 54 } else { 55 st->st_nlink = 1; 56 } 57 if (st->st_ino == 0) { 58 st->st_ino = smbw_inode(fname); 59 } 60} 61 62 63/***************************************************** 64try to do a QPATHINFO and if that fails then do a getatr 65this is needed because win95 sometimes refuses the qpathinfo 66*******************************************************/ 67BOOL smbw_getatr(struct smbw_server *srv, char *path, 68 uint16 *mode, size_t *size, 69 time_t *c_time, time_t *a_time, time_t *m_time, 70 SMB_INO_T *ino) 71{ 72 DEBUG(4,("sending qpathinfo\n")); 73 74 if (!srv->no_pathinfo2 && 75 cli_qpathinfo2(&srv->cli, path, c_time, a_time, m_time, NULL, 76 size, mode, ino)) return True; 77 78 /* if this is NT then don't bother with the getatr */ 79 if (srv->cli.capabilities & CAP_NT_SMBS) return False; 80 81 if (cli_getatr(&srv->cli, path, mode, size, m_time)) { 82 a_time = c_time = m_time; 83 srv->no_pathinfo2 = True; 84 return True; 85 } 86 return False; 87} 88 89 90static struct print_job_info printjob; 91 92/***************************************************** 93gather info from a printjob listing 94*******************************************************/ 95static void smbw_printjob_stat(struct print_job_info *job) 96{ 97 if (strcmp(job->name, printjob.name) == 0) { 98 printjob = *job; 99 } 100} 101 102/***************************************************** 103stat a printjob 104*******************************************************/ 105int smbw_stat_printjob(struct smbw_server *srv,char *path, 106 size_t *size, time_t *m_time) 107{ 108 if (path[0] == '\\') path++; 109 110 ZERO_STRUCT(printjob); 111 112 fstrcpy(printjob.name, path); 113 cli_print_queue(&srv->cli, smbw_printjob_stat); 114 115 if (size) { 116 *size = printjob.size; 117 } 118 if (m_time) { 119 *m_time = printjob.t; 120 } 121 return printjob.id; 122} 123 124 125/***************************************************** 126a wrapper for fstat() 127*******************************************************/ 128int smbw_fstat(int fd, struct stat *st) 129{ 130 struct smbw_file *file; 131 time_t c_time, a_time, m_time; 132 size_t size; 133 uint16 mode; 134 SMB_INO_T ino = 0; 135 136 smbw_busy++; 137 138 ZERO_STRUCTP(st); 139 140 file = smbw_file(fd); 141 if (!file) { 142 int ret = smbw_dir_fstat(fd, st); 143 smbw_busy--; 144 return ret; 145 } 146 147 if (!cli_qfileinfo(&file->srv->cli, file->f->cli_fd, 148 &mode, &size, &c_time, &a_time, &m_time, NULL, 149 &ino) && 150 !cli_getattrE(&file->srv->cli, file->f->cli_fd, 151 &mode, &size, &c_time, &a_time, &m_time)) { 152 errno = EINVAL; 153 smbw_busy--; 154 return -1; 155 } 156 157 st->st_ino = ino; 158 159 smbw_setup_stat(st, file->f->fname, size, mode); 160 161 st->st_atime = a_time; 162 st->st_ctime = c_time; 163 st->st_mtime = m_time; 164 st->st_dev = file->srv->dev; 165 166 smbw_busy--; 167 return 0; 168} 169 170 171/***************************************************** 172a wrapper for stat() 173*******************************************************/ 174int smbw_stat(const char *fname, struct stat *st) 175{ 176 struct smbw_server *srv; 177 fstring server, share; 178 pstring path; 179 time_t m_time=0, a_time=0, c_time=0; 180 size_t size=0; 181 uint16 mode=0; 182 SMB_INO_T ino = 0; 183 int result = 0; 184 185 ZERO_STRUCTP(st); 186 187 if (!fname) { 188 errno = EINVAL; 189 return -1; 190 } 191 192 DEBUG(4,("stat(%s)\n", fname)); 193 194 smbw_init(); 195 196 smbw_busy++; 197 198 /* work out what server they are after */ 199 smbw_parse_path(fname, server, share, path); 200 201 /* get a connection to the server */ 202 srv = smbw_server(server, share); 203 if (!srv) { 204 205 /* For shares we aren't allowed to connect to, or no master 206 browser found, return an empty directory */ 207 208 if ((server[0] && share[0] && !path[0] && errno == EACCES) || 209 (!path[0] && errno == ENOENT)) { 210 mode = aDIR | aRONLY; 211 smbw_setup_stat(st, path, size, mode); 212 goto done; 213 } 214 215 /* smbw_server sets errno */ 216 result = -1; 217 goto done; 218 } 219 220 DEBUG(4,("smbw_stat\n")); 221 222 if (strncmp(srv->cli.dev,"IPC",3) == 0) { 223 mode = aDIR | aRONLY; 224 } else if (strncmp(srv->cli.dev,"LPT",3) == 0) { 225 if (strcmp(path,"\\") == 0) { 226 mode = aDIR | aRONLY; 227 } else { 228 mode = aRONLY; 229 smbw_stat_printjob(srv, path, &size, &m_time); 230 c_time = a_time = m_time; 231 } 232 } else { 233 if (!smbw_getatr(srv, path, 234 &mode, &size, &c_time, &a_time, &m_time, 235 &ino)) { 236 errno = smbw_errno(&srv->cli); 237 result = -1; 238 goto done; 239 } 240 } 241 242 st->st_ino = ino; 243 244 smbw_setup_stat(st, path, size, mode); 245 246 st->st_atime = a_time; 247 st->st_ctime = c_time; 248 st->st_mtime = m_time; 249 st->st_dev = srv->dev; 250 251 done: 252 smbw_busy--; 253 return result; 254} 255