lib/libncp/ncpl_file.c

   1 /*
   2  * Copyright (c) 1999, Boris Popov
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. All advertising materials mentioning features or use of this software
  14  *    must display the following acknowledgement:
  15  *    This product includes software developed by Boris Popov.
  16  * 4. Neither the name of the author nor the names of any co-contributors
  17  *    may be used to endorse or promote products derived from this software
  18  *    without specific prior written permission.
  19  *
  20  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  30  * SUCH DAMAGE.
  31  *
  32  * $FreeBSD: src/lib/libncp/ncpl_file.c,v 1.2 1999/10/31 03:39:03 bp Exp $
  33  * $DragonFly: src/lib/libncp/ncpl_file.c,v 1.2 2003/06/17 04:26:50 dillon Exp $
  34  */
  35 #include <sys/param.h>
  36 #include <sys/ioctl.h>
  37 #include <errno.h>
  38 #include <stdio.h>
  39 #include <fcntl.h>
  40 #include <unistd.h>
  41 #include <strings.h>
  42
  43 #include <netncp/ncp_lib.h>
  44 #include <netncp/ncp_file.h>
  45 #include <nwfs/nwfs.h>
  46
  47 int
  48 ncp_read(NWCONN_HANDLE connid, ncp_fh *fh, off_t offset, size_t count, char *target) {
  49         int result;
  50         struct ncp_rw rwrq;
  51         DECLARE_RQ;
  52
  53         ncp_init_request(conn);
  54         ncp_add_byte(conn, NCP_CONN_READ);
  55         rwrq.nrw_fh = *fh;
  56         rwrq.nrw_base = target;
  57         rwrq.nrw_cnt = count;
  58         rwrq.nrw_offset = offset;
  59         ncp_add_mem(conn, &rwrq, sizeof(rwrq));
  60         if ((result = ncp_conn_request(connid, conn)) < 0)
  61                 return -1;
  62         return result;
  63 }
  64
  65 int
  66 ncp_write(NWCONN_HANDLE connid, ncp_fh *fh, off_t offset, size_t count, char *source)
  67 {
  68         int result;
  69         struct ncp_rw rwrq;
  70         DECLARE_RQ;
  71
  72         ncp_init_request(conn);
  73         ncp_add_byte(conn, NCP_CONN_WRITE);
  74         rwrq.nrw_fh = *fh;
  75         rwrq.nrw_base = source;
  76         rwrq.nrw_cnt = count;
  77         rwrq.nrw_offset = offset;
  78         ncp_add_mem(conn, &rwrq, sizeof(rwrq));
  79
  80         if ((result = ncp_conn_request(connid, conn)) < 0)
  81                 return -1;
  82         return result;
  83 }
  84
  85 int
  86 ncp_geteinfo(char *path, struct nw_entry_info *fi) {
  87         int d, error;
  88
  89         if ((d = open(path, O_RDONLY)) < 0) return errno;
  90         if ((error = ioctl(d, NWFSIOC_GETEINFO, fi)) != 0) return errno;
  91         close(d);
  92         return 0;
  93 }
  94
  95
  96 int
  97 ncp_AllocTempDirHandle(char *path, NWDIR_HANDLE *pdh) {
  98         int d;
  99
 100         if ((d = open(path, O_RDONLY)) < 0) return errno;
 101         *pdh = d;
 102         return 0;
 103 }
 104
 105 int
 106 ncp_DeallocateDirHandle(NWDIR_HANDLE dh) {
 107         close(dh);
 108         return 0;
 109 }
 110
 111 int
 112 ncp_GetNSEntryInfo(NWDIR_HANDLE dh, struct nw_entry_info *fi, int *ns) {
 113         int error;
 114
 115         if ((error = ioctl(dh, NWFSIOC_GETEINFO, fi)) != 0) return errno;
 116         if ((error = ioctl(dh, NWFSIOC_GETNS, ns)) != 0) return errno;
 117         return 0;
 118 }
 119
 120 NWCCODE
 121 ncp_ScanForDeletedFiles(NWCONN_HANDLE cH, pnuint32 iterHandle,
 122         pnuint32 volNum, pnuint32 dirBase, nuint8 ns,
 123         NWDELETED_INFO *entryInfo)
 124 {
 125         int error;
 126         struct nw_entry_info *pfi;
 127         DECLARE_RQ;
 128 #define UNITEDT(d,t)    (((d) << 16) | (t))
 129
 130         bzero(entryInfo, sizeof(NWDELETED_INFO));
 131         ncp_init_request(conn);
 132         ncp_add_byte(conn, 16);
 133         ncp_add_byte(conn, ns);
 134         ncp_add_byte(conn, 0);          /* data stream */
 135         ncp_add_dword_lh(conn, IM_ALL & ~(IM_SPACE_ALLOCATED | IM_TOTAL_SIZE | IM_EA | IM_DIRECTORY));
 136         ncp_add_dword_lh(conn, *iterHandle);
 137
 138         ncp_add_byte(conn, *volNum);
 139         ncp_add_dword_lh(conn, *dirBase);
 140         ncp_add_byte(conn, NCP_HF_DIRBASE);     /* dirBase */
 141         ncp_add_byte(conn, 0);                  /* no component */
 142         if ((error = ncp_request(cH, 87, conn)) != 0) {
 143                 return error;
 144         }
 145         if (conn->rpsize < 0x61) {
 146                 return EBADRPC; /* EACCES ? */
 147         }
 148         *iterHandle = entryInfo->sequence = ncp_reply_dword_lh(conn, 0x00);
 149         entryInfo->deletedTime = ncp_reply_word_lh(conn, 0x04);
 150         entryInfo->deletedDateAndTime = UNITEDT(ncp_reply_word_lh(conn, 0x06), entryInfo->deletedTime);
 151         entryInfo->deletorID = ncp_reply_dword_hl(conn, 0x08);
 152         *volNum = ncp_reply_dword_lh(conn, 0x0C);
 153         *dirBase = ncp_reply_dword_lh(conn, 0x10);
 154         entryInfo->parent = ncp_reply_dword_lh(conn, 0x10);
 155         pfi = (struct nw_entry_info*) ncp_reply_data(conn, 0x14);
 156         entryInfo->nameLength = pfi->nameLen;
 157         memcpy(entryInfo->name, pfi->entryName, pfi->nameLen);
 158         return error;
 159 }
 160
 161 NWCCODE
 162 ncp_PurgeDeletedFile(NWCONN_HANDLE cH, nuint32 iterHandle,
 163         nuint32 volNum, nuint32 dirBase, nuint8 ns)
 164 {
 165         DECLARE_RQ;
 166
 167         ncp_init_request(conn);
 168         ncp_add_byte(conn, 18);
 169         ncp_add_byte(conn, ns);
 170         ncp_add_byte(conn, 0);          /* reserved */
 171         ncp_add_dword_lh(conn, iterHandle);
 172         ncp_add_dword_lh(conn, volNum);
 173         ncp_add_dword_lh(conn, dirBase);
 174         return ncp_request(cH, 87, conn);
 175 }
 176
 177
 178 static void
 179 ncp_extract_entryInfo(char *data, NW_ENTRY_INFO *entry) {
 180         u_char l;
 181         const int info_struct_size = sizeof(NW_ENTRY_INFO) - 257;
 182
 183         memcpy(entry, data, info_struct_size);
 184         data += info_struct_size;
 185         l = *data++;
 186         entry->nameLen = l;
 187         memcpy(entry->entryName, data, l);
 188         entry->entryName[l] = '\0';
 189         return;
 190 }
 191
 192 NWCCODE
 193 ncp_ScanNSEntryInfo(NWCONN_HANDLE cH,
 194         nuint8 namSpc, nuint16 attrs, SEARCH_SEQUENCE *seq,
 195         pnstr8 searchPattern, nuint32 retInfoMask, NW_ENTRY_INFO *entryInfo)
 196 {
 197         int error, l;
 198         DECLARE_RQ;
 199
 200         if (seq->searchDirNumber == -1) {
 201                 seq->searchDirNumber = 0;
 202                 ncp_init_request(conn);
 203                 ncp_add_byte(conn, 2);
 204                 ncp_add_byte(conn, namSpc);
 205                 ncp_add_byte(conn, 0);
 206                 ncp_add_handle_path(conn, seq->volNumber, seq->dirNumber,
 207                     NCP_HF_DIRBASE, NULL);
 208                 error = ncp_request(cH, 87, conn);
 209                 if (error) return error;
 210                 memcpy(seq, ncp_reply_data(conn, 0), 9);
 211         }
 212         ncp_init_request(conn);
 213         ncp_add_byte(conn, 3);
 214         ncp_add_byte(conn, namSpc);
 215         ncp_add_byte(conn, 0);          /* dataStream */
 216         ncp_add_word_lh(conn, attrs);   /* SearchAttributes */
 217         ncp_add_dword_lh(conn, retInfoMask);
 218         ncp_add_mem(conn, seq, sizeof(*seq));
 219         l = strlen(searchPattern);
 220         ncp_add_byte(conn, l);
 221         ncp_add_mem(conn, searchPattern, l);
 222         error = ncp_request(cH, 87, conn);
 223         if (error) return error;
 224         memcpy(seq, ncp_reply_data(conn, 0), sizeof(*seq));
 225         ncp_extract_entryInfo(ncp_reply_data(conn, 10), entryInfo);
 226         return 0;
 227 }
 228
 229 int
 230 ncp_NSEntryInfo(NWCONN_HANDLE cH, nuint8 ns, nuint8 vol, nuint32 dirent,
 231     NW_ENTRY_INFO *entryInfo)
 232 {
 233         DECLARE_RQ;
 234         int error;
 235
 236         ncp_init_request(conn);
 237         ncp_add_byte(conn, 6);
 238         ncp_add_byte(conn, ns);
 239         ncp_add_byte(conn, ns); /* DestNameSpace */
 240         ncp_add_word_lh(conn, htons(0xff00));   /* get all */
 241         ncp_add_dword_lh(conn, IM_ALL);
 242         ncp_add_handle_path(conn, vol, dirent, NCP_HF_DIRBASE, NULL);
 243         error = ncp_request(cH, 87, conn);
 244         if (error) return error;
 245         ncp_extract_entryInfo(ncp_reply_data(conn, 0), entryInfo);
 246         return 0;
 247 }
 248
 249 NWCCODE
 250 NWGetVolumeName(NWCONN_HANDLE cH, u_char volume, char *name) {
 251         int error, len;
 252         DECLARE_RQ;
 253
 254         ncp_init_request_s(conn, 44);
 255         ncp_add_byte(conn, volume);
 256         error = ncp_request(cH, 22, conn);
 257         if (error) return error;
 258         len = ncp_reply_byte(conn, 29);
 259         if (len == 0)
 260                 return ENOENT;
 261         bcopy(ncp_reply_data(conn, 30), name, len);
 262         name[len] = 0;
 263         return 0;
 264 }