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#include <u.h>
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#include <libc.h>
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#include <fcall.h>
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#include <thread.h>
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#include <9p.h>
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#include "cifs.h"
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static Pkt *
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t2hdr(Session *s, Share *sp, int cmd)
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{
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Pkt *p;
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p = cifshdr(s, sp, SMB_COM_TRANSACTION2);
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p->tbase = pl16(p, 0); /* 0 Total parameter bytes to be sent, filled later */
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pl16(p, 0); /* 2 Total data bytes to be sent, filled later */
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pl16(p, 64); /* 4 Max parameter to return */
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pl16(p, (MTU - T2HDRLEN)-64); /* 6 Max data to return */
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p8(p, 0); /* 8 Max setup count to return */
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p8(p, 0); /* 9 Reserved */
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pl16(p, 0); /* 10 Flags */
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pl32(p, 1000); /* 12 Timeout (ms) */
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pl16(p, 0); /* 16 Reserved */
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pl16(p, 0); /* 18 Parameter count, filled later */
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pl16(p, 0); /* 20 Parameter offset, filled later */
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pl16(p, 0); /* 22 Data count, filled later */
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pl16(p, 0); /* 24 Data offset, filled later */
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p8(p, 1); /* 26 Setup count (in words) */
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p8(p, 0); /* 27 Reserved */
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pl16(p, cmd); /* setup[0] */
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pbytes(p);
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p8(p, 0); /* padding ??!?!? */
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return p;
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}
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static void
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pt2param(Pkt *p)
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{
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uchar *pos = p->pos;
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assert(p->tbase != 0);
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p->pos = p->tbase + 20;
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pl16(p, (pos - p->buf) - NBHDRLEN); /* param offset */
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p->tparam = p->pos = pos;
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}
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static void
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pt2data(Pkt *p)
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{
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uchar *pos = p->pos;
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assert(p->tbase != 0);
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assert(p->tparam != 0);
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p->pos = p->tbase +0;
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pl16(p, pos - p->tparam); /* total param count */
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p->pos = p->tbase +18;
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pl16(p, pos - p->tparam); /* param count */
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p->pos = p->tbase +24;
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pl16(p, (pos - p->buf) - NBHDRLEN); /* data offset */
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p->tdata = p->pos = pos;
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}
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static int
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t2rpc(Pkt *p)
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{
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int got;
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uchar *pos;
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assert(p->tbase != 0);
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assert(p->tdata != 0);
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pos = p->pos;
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p->pos = p->tbase +2;
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pl16(p, pos - p->tdata); /* total data count */
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p->pos = p->tbase +22;
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pl16(p, pos - p->tdata); /* data count */
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p->pos = pos;
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if((got = cifsrpc(p)) == -1)
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return -1;
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gl16(p); /* Total parameter count */
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gl16(p); /* Total data count */
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gl16(p); /* Reserved */
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gl16(p); /* Parameter count in this buffer */
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p->tparam = p->buf +NBHDRLEN +gl16(p); /* Parameter offset */
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gl16(p); /* Parameter displacement */
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gl16(p); /* Data count (this buffer); */
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p->tdata = p->buf +NBHDRLEN +gl16(p); /* Data offset */
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gl16(p); /* Data displacement */
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g8(p); /* Setup count */
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g8(p); /* Reserved */
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return got;
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}
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static void
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gt2param(Pkt *p)
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{
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p->pos = p->tparam;
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}
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static void
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gt2data(Pkt *p)
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{
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p->pos = p->tdata;
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}
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int
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T2findfirst(Session *s, Share *sp, int slots, char *path, int *got,
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long *resume, FInfo *fip)
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{
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int pktlen, i, n, sh;
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uchar *next;
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Pkt *p;
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p = t2hdr(s, sp, TRANS2_FIND_FIRST2);
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p8(p, 'D'); /* OS/2 */
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p8(p, ' '); /* OS/2 */
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129 |
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pt2param(p);
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pl16(p, ATTR_HIDDEN|ATTR_SYSTEM|ATTR_DIRECTORY); /* Search attributes */
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pl16(p, slots); /* Search count */
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pl16(p, CIFS_SEARCH_RETURN_RESUME); /* Flags */
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pl16(p, SMB_FIND_FILE_FULL_DIRECTORY_INFO); /* Information level */
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pl32(p, 0); /* SearchStorage type (?) */
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ppath(p, path); /* path */
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pt2data(p);
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if((pktlen = t2rpc(p)) == -1){
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free(p);
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return -1;
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}
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143 |
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s->lastfind = nsec();
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gt2param(p);
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146 |
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sh = gl16(p); /* Sid (search handle) */
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*got = gl16(p); /* number of slots received */
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gl16(p); /* End of search flag */
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gl16(p); /* Offset into EA list if EA error */
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gl16(p); /* Offset into data to file name of last entry */
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gt2data(p);
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memset(fip, 0, slots * sizeof(FInfo));
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for(i = 0; i < *got; i++){
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next = p->pos;
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next += gl32(p); /* offset to next entry */
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/*
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* bug in Windows - somtimes it lies about how many
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* directory entries it has put in the packet
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*/
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if(next - p->buf > pktlen){
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*got = i;
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break;
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}
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*resume = gl32(p); /* resume key for search */
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fip[i].created = gvtime(p); /* creation time */
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fip[i].accessed = gvtime(p); /* last access time */
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fip[i].written = gvtime(p); /* last written time */
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fip[i].changed = gvtime(p); /* change time */
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fip[i].size = gl64(p); /* file size */
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gl64(p); /* bytes allocated */
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fip[i].attribs = gl32(p); /* extended attributes */
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n = gl32(p); /* name length */
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gl32(p); /* EA size */
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gstr(p, fip[i].name, n); /* name */
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p->pos = next;
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}
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free(p);
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return sh;
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183 |
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}
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int
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T2findnext(Session *s, Share *sp, int slots, char *path, int *got,
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long *resume, FInfo *fip, int sh)
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{
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Pkt *p;
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int i, n;
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uchar *next;
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193 |
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/*
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* So I believe from comp.protocols.smb if you send
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* TRANS2_FIND_NEXT2 requests too quickly to windows 95, it can
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* get confused and fail to reply, so we slow up a bit in these
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* circumstances.
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*/
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if(!(s->caps & CAP_NT_SMBS) && nsec() - s->lastfind < 200000000LL)
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sleep(200);
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p = t2hdr(s, sp, TRANS2_FIND_NEXT2);
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p8(p, 'D'); /* OS/2 */
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p8(p, ' '); /* OS/2 */
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pt2param(p);
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pl16(p, sh); /* search handle */
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pl16(p, slots); /* Search count */
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pl16(p, SMB_FIND_FILE_FULL_DIRECTORY_INFO); /* Information level */
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pl32(p, *resume); /* resume key */
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pl16(p, CIFS_SEARCH_CONTINUE_FROM_LAST); /* Flags */
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ppath(p, path); /* file+path to resume */
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pt2data(p);
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if(t2rpc(p) == -1){
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free(p);
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return -1;
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}
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220 |
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s->lastfind = nsec();
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222 |
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gt2param(p);
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*got = gl16(p); /* number of slots received */
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gl16(p); /* End of search flag */
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gl16(p); /* Offset into EA list if EA error */
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gl16(p); /* Offset into data to file name of last entry */
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gt2data(p);
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memset(fip, 0, slots * sizeof(FInfo));
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for(i = 0; i < *got; i++){
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next = p->pos;
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next += gl32(p); /* offset to next entry */
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*resume = gl32(p); /* resume key for search */
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fip[i].created = gvtime(p); /* creation time */
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fip[i].accessed = gvtime(p); /* last access time */
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fip[i].written = gvtime(p); /* last written time */
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fip[i].changed = gvtime(p); /* change time */
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fip[i].size = gl64(p); /* file size */
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gl64(p); /* bytes allocated */
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fip[i].attribs = gl32(p); /* extended attributes */
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n = gl32(p); /* name length */
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gl32(p); /* EA size */
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gstr(p, fip[i].name, n); /* name */
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p->pos = next;
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}
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free(p);
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return 0;
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}
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250 |
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251 |
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/* supported by 2k/XP/NT4 */
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int
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T2queryall(Session *s, Share *sp, char *path, FInfo *fip)
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{
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int n;
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Pkt *p;
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258 |
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p = t2hdr(s, sp, TRANS2_QUERY_PATH_INFORMATION);
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pt2param(p);
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pl16(p, SMB_QUERY_FILE_ALL_INFO); /* Information level */
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pl32(p, 0); /* reserved */
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ppath(p, path); /* path */
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264 |
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pt2data(p);
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if(t2rpc(p) == -1){
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free(p);
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return -1;
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}
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gt2data(p);
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271 |
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/*
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* The layout of this struct is wrong in the SINA
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* document, this layout gained by inspection.
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*/
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276 |
memset(fip, 0, sizeof(FInfo));
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fip->created = gvtime(p); /* creation time */
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fip->accessed = gvtime(p); /* last access time */
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279 |
fip->written = gvtime(p); /* last written time */
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280 |
fip->changed = gvtime(p); /* change time */
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281 |
fip->attribs = gl32(p); /* attributes */
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gl32(p); /* reserved */
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gl64(p); /* bytes allocated */
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284 |
fip->size = gl64(p); /* file size */
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285 |
gl32(p); /* number of hard links */
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286 |
g8(p); /* delete pending */
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287 |
g8(p); /* is a directory */
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288 |
gl16(p); /* reserved */
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289 |
gl32(p); /* EA size */
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290 |
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291 |
n = gl32(p);
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292 |
if(n >= sizeof fip->name)
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293 |
n = sizeof fip->name - 1;
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294 |
gstr(p, fip->name, n);
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295 |
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296 |
free(p);
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297 |
return 0;
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298 |
}
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299 |
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300 |
/* supported by 95/98/ME */
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301 |
int
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302 |
T2querystandard(Session *s, Share *sp, char *path, FInfo *fip)
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303 |
{
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304 |
Pkt *p;
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305 |
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306 |
p = t2hdr(s, sp, TRANS2_QUERY_PATH_INFORMATION);
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307 |
pt2param(p);
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308 |
pl16(p, SMB_INFO_STANDARD); /* Information level */
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309 |
pl32(p, 0); /* reserved */
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310 |
ppath(p, path); /* path */
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311 |
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312 |
pt2data(p);
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313 |
if(t2rpc(p) == -1){
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314 |
free(p);
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315 |
return -1;
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316 |
}
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317 |
gt2data(p);
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318 |
memset(fip, 0, sizeof(FInfo));
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319 |
fip->created = gdatetime(p); /* creation time */
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320 |
fip->accessed = gdatetime(p); /* last access time */
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321 |
fip->written = gdatetime(p); /* last written time */
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322 |
fip->changed = fip->written; /* change time */
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323 |
fip->size = gl32(p); /* file size */
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324 |
gl32(p); /* bytes allocated */
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325 |
fip->attribs = gl16(p); /* attributes */
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326 |
gl32(p); /* EA size */
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327 |
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328 |
free(p);
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329 |
return 0;
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330 |
}
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331 |
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332 |
int
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333 |
T2setpathinfo(Session *s, Share *sp, char *path, FInfo *fip)
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334 |
{
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335 |
int rc;
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336 |
Pkt *p;
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337 |
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338 |
p = t2hdr(s, sp, TRANS2_SET_PATH_INFORMATION);
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339 |
pt2param(p);
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340 |
pl16(p, SMB_INFO_STANDARD); /* Information level */
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341 |
pl32(p, 0); /* reserved */
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342 |
ppath(p, path); /* path */
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343 |
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344 |
pt2data(p);
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345 |
pdatetime(p, fip->created); /* created */
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346 |
pdatetime(p, fip->accessed); /* accessed */
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347 |
pdatetime(p, fip->written); /* written */
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348 |
pl32(p, fip->size); /* size */
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349 |
pl32(p, 0); /* allocated */
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350 |
pl16(p, fip->attribs); /* attributes */
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351 |
pl32(p, 0); /* EA size */
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352 |
pl16(p, 0); /* reserved */
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353 |
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354 |
rc = t2rpc(p);
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355 |
free(p);
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356 |
return rc;
|
|
|
357 |
|
|
|
358 |
}
|
|
|
359 |
|
|
|
360 |
int
|
|
|
361 |
T2setfilelength(Session *s, Share *sp, int fh, FInfo *fip) /* FIXME: maybe broken, needs testing */
|
|
|
362 |
{
|
|
|
363 |
int rc;
|
|
|
364 |
Pkt *p;
|
|
|
365 |
|
|
|
366 |
p = t2hdr(s, sp, TRANS2_SET_FILE_INFORMATION);
|
|
|
367 |
pt2param(p);
|
|
|
368 |
pl16(p, fh); /* file handle */
|
|
|
369 |
pl16(p, SMB_SET_FILE_END_OF_FILE_INFO); /* Information level */
|
|
|
370 |
pl16(p, 0); /* reserved */
|
|
|
371 |
|
|
|
372 |
pt2data(p);
|
|
|
373 |
pl64(p, fip->size);
|
|
|
374 |
pl32(p, 0); /* padding ?! */
|
|
|
375 |
pl16(p, 0);
|
|
|
376 |
|
|
|
377 |
rc = t2rpc(p);
|
|
|
378 |
free(p);
|
|
|
379 |
return rc;
|
|
|
380 |
}
|
|
|
381 |
|
|
|
382 |
|
|
|
383 |
int
|
|
|
384 |
T2fsvolumeinfo(Session *s, Share *sp, long *created, long *serialno,
|
|
|
385 |
char *label, int labellen)
|
|
|
386 |
{
|
|
|
387 |
Pkt *p;
|
|
|
388 |
long ct, sn, n;
|
|
|
389 |
|
|
|
390 |
p = t2hdr(s, sp, TRANS2_QUERY_FS_INFORMATION);
|
|
|
391 |
pt2param(p);
|
|
|
392 |
pl16(p, SMB_QUERY_FS_VOLUME_INFO); /* Information level */
|
|
|
393 |
|
|
|
394 |
pt2data(p);
|
|
|
395 |
|
|
|
396 |
if(t2rpc(p) == -1){
|
|
|
397 |
free(p);
|
|
|
398 |
return -1;
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
gt2data(p);
|
|
|
402 |
ct = gvtime(p); /* creation time */
|
|
|
403 |
sn = gl32(p); /* serial number */
|
|
|
404 |
n = gl32(p); /* label name length */
|
|
|
405 |
g8(p); /* reserved */
|
|
|
406 |
g8(p); /* reserved */
|
|
|
407 |
|
|
|
408 |
memset(label, 0, labellen);
|
|
|
409 |
if(n < labellen && n > 0)
|
|
|
410 |
gstr(p, label, n); /* file system label */
|
|
|
411 |
if(created)
|
|
|
412 |
*created = ct;
|
|
|
413 |
if(serialno)
|
|
|
414 |
*serialno = sn;
|
|
|
415 |
|
|
|
416 |
free(p);
|
|
|
417 |
return 0;
|
|
|
418 |
}
|
|
|
419 |
|
|
|
420 |
int
|
|
|
421 |
T2fssizeinfo(Session *s, Share *sp, uvlong *total, uvlong *unused)
|
|
|
422 |
{
|
|
|
423 |
Pkt *p;
|
|
|
424 |
uvlong t, f, n, b;
|
|
|
425 |
|
|
|
426 |
p = t2hdr(s, sp, TRANS2_QUERY_FS_INFORMATION);
|
|
|
427 |
pt2param(p);
|
|
|
428 |
pl16(p, SMB_QUERY_FS_SIZE_INFO); /* Information level */
|
|
|
429 |
|
|
|
430 |
pt2data(p);
|
|
|
431 |
|
|
|
432 |
if(t2rpc(p) == -1){
|
|
|
433 |
free(p);
|
|
|
434 |
return -1;
|
|
|
435 |
}
|
|
|
436 |
|
|
|
437 |
gt2data(p);
|
|
|
438 |
t = gl64(p); /* total blocks */
|
|
|
439 |
f = gl64(p); /* free blocks */
|
|
|
440 |
n = gl32(p); /* sectors per block */
|
|
|
441 |
b = gl32(p); /* bytes per sector */
|
|
|
442 |
|
|
|
443 |
if(free)
|
|
|
444 |
*unused = f * n * b;
|
|
|
445 |
if(total)
|
|
|
446 |
*total = t * n * b;
|
|
|
447 |
|
|
|
448 |
free(p);
|
|
|
449 |
return 0;
|
|
|
450 |
}
|
|
|
451 |
|
|
|
452 |
int
|
|
|
453 |
T2getdfsreferral(Session *s, Share *sp, char *path, int *gflags, int *used,
|
|
|
454 |
Refer *re, int nent)
|
|
|
455 |
{
|
|
|
456 |
int i, vers, nret, len;
|
|
|
457 |
char tmp[1024];
|
|
|
458 |
uchar *base;
|
|
|
459 |
Pkt *p;
|
|
|
460 |
|
|
|
461 |
p = t2hdr(s, sp, TRANS2_GET_DFS_REFERRAL);
|
|
|
462 |
pt2param(p);
|
|
|
463 |
pl16(p, 3); /* max info level we understand, must be >= 3 for domain requests */
|
|
|
464 |
ppath(p, path);
|
|
|
465 |
|
|
|
466 |
pt2data(p);
|
|
|
467 |
|
|
|
468 |
if(t2rpc(p) == -1){
|
|
|
469 |
free(p);
|
|
|
470 |
return -1;
|
|
|
471 |
}
|
|
|
472 |
|
|
|
473 |
memset(re, 0, sizeof *re * nent);
|
|
|
474 |
gt2data(p);
|
|
|
475 |
|
|
|
476 |
*used = gl16(p) / 2; /* length used (/2 as Windows counts in runes) */
|
|
|
477 |
nret = gl16(p); /* number of referrals returned */
|
|
|
478 |
*gflags = gl32(p); /* global flags */
|
|
|
479 |
|
|
|
480 |
for(i = 0; i < nret && i < nent && i < 16; i++){
|
|
|
481 |
base = p->pos;
|
|
|
482 |
vers = gl16(p); /* version of records */
|
|
|
483 |
len = gl16(p); /* length of records */
|
|
|
484 |
re[i].type = gl16(p); /* server type */
|
|
|
485 |
re[i].flags = gl16(p); /* referal flags */
|
|
|
486 |
switch(vers){
|
|
|
487 |
case 1:
|
|
|
488 |
re[i].prox = 0; /* nearby */
|
|
|
489 |
re[i].ttl = 5*60; /* 5 mins */
|
|
|
490 |
gstr(p, tmp, sizeof tmp);
|
|
|
491 |
re[i].addr = estrdup9p(tmp);
|
|
|
492 |
re[i].path = estrdup9p(tmp);
|
|
|
493 |
break;
|
|
|
494 |
case 2:
|
|
|
495 |
re[i].prox = gl32(p); /* not implemented in v2 */
|
|
|
496 |
re[i].ttl = gl32(p);
|
|
|
497 |
goff(p, base, re[i].path, sizeof tmp);
|
|
|
498 |
re[i].path = estrdup9p(tmp);
|
|
|
499 |
goff(p, base, re[i].path, sizeof tmp);/* spurious 8.3 path */
|
|
|
500 |
goff(p, base, tmp, sizeof tmp);
|
|
|
501 |
re[i].addr = estrdup9p(tmp);
|
|
|
502 |
break;
|
|
|
503 |
case 3:
|
|
|
504 |
if(re[i].flags & DFS_REFERAL_LIST){
|
|
|
505 |
re[i].prox = 0;
|
|
|
506 |
re[i].ttl = gl32(p);
|
|
|
507 |
goff(p, base, tmp, sizeof tmp);
|
|
|
508 |
re[i].path = estrdup9p(tmp);
|
|
|
509 |
gl16(p);
|
|
|
510 |
goff(p, base, tmp, sizeof tmp);
|
|
|
511 |
re[i].addr = estrdup9p(tmp);
|
|
|
512 |
}
|
|
|
513 |
else{
|
|
|
514 |
re[i].prox = 0;
|
|
|
515 |
re[i].ttl = gl32(p);
|
|
|
516 |
goff(p, base, tmp, sizeof tmp);
|
|
|
517 |
re[i].path = estrdup9p(tmp);
|
|
|
518 |
gl16(p); /* spurious 8.3 path */
|
|
|
519 |
goff(p, base, tmp, sizeof tmp);
|
|
|
520 |
re[i].addr = estrdup9p(tmp);
|
|
|
521 |
gl16(p); /* GUID (historic) */
|
|
|
522 |
}
|
|
|
523 |
break;
|
|
|
524 |
default:
|
|
|
525 |
/*
|
|
|
526 |
* this should never happen as we specify our maximum
|
|
|
527 |
* understood level in the request (above)
|
|
|
528 |
*/
|
|
|
529 |
fprint(2, "%d - unsupported DFS infolevel\n", vers);
|
|
|
530 |
re[i].path = estrdup9p(tmp);
|
|
|
531 |
re[i].addr = estrdup9p(tmp);
|
|
|
532 |
break;
|
|
|
533 |
}
|
|
|
534 |
p->pos = base+len;
|
|
|
535 |
}
|
|
|
536 |
|
|
|
537 |
free(p);
|
|
|
538 |
return i;
|
|
|
539 |
}
|