use the new IVAL_TO_SMB_OFF_T for file_info size member
[tprouty/samba.git] / source / libsmb / clilist.c
index ae1607c1c4b32410872f144a606e5a5aac3a87d7..1616d46bf15d194b8a7f463588885b8394f31758 100644 (file)
@@ -1,6 +1,5 @@
 /* 
-   Unix SMB/Netbios implementation.
-   Version 3.0
+   Unix SMB/CIFS implementation.
    client directory list routines
    Copyright (C) Andrew Tridgell 1994-1998
    
 
 #include "includes.h"
 
-
 /****************************************************************************
-interpret a long filename structure - this is mostly guesses at the moment
-The length of the structure is returned
-The structure of a long filename depends on the info level. 260 is used
-by NT and 2 is used by OS/2
+ Interpret a long filename structure - this is mostly guesses at the moment.
+ The length of the structure is returned
+ The structure of a long filename depends on the info level. 260 is used
+ by NT and 2 is used by OS/2
 ****************************************************************************/
-static int interpret_long_filename(int level,char *p,file_info *finfo)
+
+static int interpret_long_filename(struct cli_state *cli,
+                                  int level,char *p,file_info *finfo)
 {
        extern file_info def_finfo;
+       file_info finfo2;
+       int len;
+       char *base = p;
 
-       if (finfo)
-               memcpy(finfo,&def_finfo,sizeof(*finfo));
+       if (!finfo) finfo = &finfo2;
 
-       switch (level)
-               {
+       memcpy(finfo,&def_finfo,sizeof(*finfo));
+
+       switch (level) {
                case 1: /* OS/2 understands this */
-                       if (finfo) {
-                               /* these dates are converted to GMT by make_unix_date */
-                               finfo->ctime = make_unix_date2(p+4);
-                               finfo->atime = make_unix_date2(p+8);
-                               finfo->mtime = make_unix_date2(p+12);
-                               finfo->size = IVAL(p,16);
-                               finfo->mode = CVAL(p,24);
-                               pstrcpy(finfo->name,p+27);
-                               dos_to_unix(finfo->name,True);
-                       }
-                       return(28 + CVAL(p,26));
+                       /* these dates are converted to GMT by
+                           make_unix_date */
+                       finfo->ctime = make_unix_date2(p+4);
+                       finfo->atime = make_unix_date2(p+8);
+                       finfo->mtime = make_unix_date2(p+12);
+                       finfo->size = IVAL_TO_SMB_OFF_T(p,16);
+                       finfo->mode = CVAL(p,24);
+                       len = CVAL(p, 26);
+                       p += 27;
+                       p += clistr_align_in(cli, p, 0);
+                       /* the len+2 below looks strange but it is
+                          important to cope with the differences
+                          between win2000 and win9x for this call
+                          (tridge) */
+                       p += clistr_pull(cli, finfo->name, p,
+                                        sizeof(finfo->name),
+                                        len+2, 
+                                        STR_TERMINATE);
+                       return PTR_DIFF(p, base);
 
                case 2: /* this is what OS/2 uses mostly */
-                       if (finfo) {
-                               /* these dates are converted to GMT by make_unix_date */
-                               finfo->ctime = make_unix_date2(p+4);
-                               finfo->atime = make_unix_date2(p+8);
-                               finfo->mtime = make_unix_date2(p+12);
-                               finfo->size = IVAL(p,16);
-                               finfo->mode = CVAL(p,24);
-                               pstrcpy(finfo->name,p+31);
-                               dos_to_unix(finfo->name,True);
-                       }
-                       return(32 + CVAL(p,30));
-
-                       /* levels 3 and 4 are untested */
-               case 3:
-                       if (finfo) {
-                               /* these dates are probably like the other ones */
-                               finfo->ctime = make_unix_date2(p+8);
-                               finfo->atime = make_unix_date2(p+12);
-                               finfo->mtime = make_unix_date2(p+16);
-                               finfo->size = IVAL(p,20);
-                               finfo->mode = CVAL(p,28);
-                               pstrcpy(finfo->name,p+33);
-                               dos_to_unix(finfo->name,True);
-                       }
-                       return(SVAL(p,4)+4);
-                       
-               case 4:
-                       if (finfo) {
-                               /* these dates are probably like the other ones */
-                               finfo->ctime = make_unix_date2(p+8);
-                               finfo->atime = make_unix_date2(p+12);
-                               finfo->mtime = make_unix_date2(p+16);
-                               finfo->size = IVAL(p,20);
-                               finfo->mode = CVAL(p,28);
-                               pstrcpy(finfo->name,p+37);
-                               dos_to_unix(finfo->name,True);
-                       }
-                       return(SVAL(p,4)+4);
+                       /* these dates are converted to GMT by
+                           make_unix_date */
+                       finfo->ctime = make_unix_date2(p+4);
+                       finfo->atime = make_unix_date2(p+8);
+                       finfo->mtime = make_unix_date2(p+12);
+                       finfo->size = IVAL_TO_SMB_OFF_T(p,16);
+                       finfo->mode = CVAL(p,24);
+                       len = CVAL(p, 30);
+                       p += 31;
+                       /* check for unisys! */
+                       p += clistr_pull(cli, finfo->name, p,
+                                        sizeof(finfo->name),
+                                        len, 
+                                        STR_NOALIGN);
+                       return PTR_DIFF(p, base) + 1;
                        
                case 260: /* NT uses this, but also accepts 2 */
-                       if (finfo) {
-                               int ret = SVAL(p,0);
-                               int namelen, slen;
-                               p += 4; /* next entry offset */
-                               p += 4; /* fileindex */
+               {
+                       int namelen, slen;
+                       p += 4; /* next entry offset */
+                       p += 4; /* fileindex */
                                
-                               /* these dates appear to arrive in a
-                                  weird way. It seems to be localtime
-                                  plus the serverzone given in the
-                                  initial connect. This is GMT when
-                                  DST is not in effect and one hour
-                                  from GMT otherwise. Can this really
-                                  be right??
-
-                                  I suppose this could be called
-                                  kludge-GMT. Is is the GMT you get
-                                  by using the current DST setting on
-                                  a different localtime. It will be
-                                  cheap to calculate, I suppose, as
-                                  no DST tables will be needed */
-
-                               finfo->ctime = interpret_long_date(p); p += 8;
-                               finfo->atime = interpret_long_date(p); p += 8;
-                               finfo->mtime = interpret_long_date(p); p += 8; p += 8;
-                               finfo->size = IVAL(p,0); p += 8;
-                               p += 8; /* alloc size */
-                               finfo->mode = CVAL(p,0); p += 4;
-                               namelen = IVAL(p,0); p += 4;
-                               p += 4; /* EA size */
-                               slen = SVAL(p, 0);
-                               p += 2; 
-                               if (p[1] == 0 && slen > 1) {
-                                       /* NT has stuffed up again */
-                                       unistr_to_dos(finfo->short_name, p, slen/2);
-                               } else {
-                                       strncpy(finfo->short_name, p, 12);
-                                       finfo->short_name[12] = 0;
-                               }
-                               p += 24; /* short name? */        
-                               StrnCpy(finfo->name,p,MIN(sizeof(finfo->name)-1,namelen));
-                               dos_to_unix(finfo->name,True);
-                               return(ret);
+                       /* these dates appear to arrive in a
+                          weird way. It seems to be localtime
+                          plus the serverzone given in the
+                          initial connect. This is GMT when
+                          DST is not in effect and one hour
+                          from GMT otherwise. Can this really
+                          be right??
+                          
+                          I suppose this could be called
+                          kludge-GMT. Is is the GMT you get
+                          by using the current DST setting on
+                          a different localtime. It will be
+                          cheap to calculate, I suppose, as
+                          no DST tables will be needed */
+                       
+                       finfo->ctime = interpret_long_date(p); p += 8;
+                       finfo->atime = interpret_long_date(p); p += 8;
+                       finfo->mtime = interpret_long_date(p); p += 8; p += 8;
+                       finfo->size = IVAL_TO_SMB_OFF_T(p,0); p += 8;
+                       p += 8; /* alloc size */
+                       finfo->mode = CVAL(p,0); p += 4;
+                       namelen = IVAL(p,0); p += 4;
+                       p += 4; /* EA size */
+                       slen = SVAL(p, 0);
+                       p += 2; 
+                       {
+                               /* stupid NT bugs. grr */
+                               int flags = 0;
+                               if (p[1] == 0 && namelen > 1) flags |= STR_UNICODE;
+                               clistr_pull(cli, finfo->short_name, p,
+                                           sizeof(finfo->short_name),
+                                           slen, flags);
                        }
-                       return(SVAL(p,0));
+                       p += 24; /* short name? */        
+                       clistr_pull(cli, finfo->name, p,
+                                   sizeof(finfo->name),
+                                   namelen, 0);
+                       return SVAL(base, 0);
                }
+       }
        
        DEBUG(1,("Unknown long filename format %d\n",level));
        return(SVAL(p,0));
 }
 
-
 /****************************************************************************
-  do a directory listing, calling fn on each file found
-  ****************************************************************************/
-int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute, 
-            void (*fn)(file_info *, const char *, void *), void *state)
+ Do a directory listing, calling fn on each file found.
+****************************************************************************/
+
+int cli_list_new(struct cli_state *cli,const char *Mask,uint16 attribute, 
+                void (*fn)(file_info *, const char *, void *), void *state)
 {
        int max_matches = 512;
-       /* NT uses 260, OS/2 uses 2. Both accept 1. */
-       int info_level = cli->protocol<PROTOCOL_NT1?1:260; 
+       int info_level;
        char *p, *p2;
        pstring mask;
        file_info finfo;
        int i;
-       char *dirlist = NULL;
+       char *tdl, *dirlist = NULL;
        int dirlist_len = 0;
        int total_received = -1;
        BOOL First = True;
@@ -170,9 +157,11 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
        int param_len, data_len;        
        uint16 setup;
        pstring param;
-       
+
+       /* NT uses 260, OS/2 uses 2. Both accept 1. */
+       info_level = (cli->capabilities&CAP_NT_SMBS)?260:1;
+
        pstrcpy(mask,Mask);
-       unix_to_dos(mask,True);
        
        while (ff_eos == 0) {
                loop_count++;
@@ -181,8 +170,6 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
                        break;
                }
 
-               param_len = 12+strlen(mask)+1;
-
                if (First) {
                        setup = TRANSACT2_FINDFIRST;
                        SSVAL(param,0,attribute); /* attribute */
@@ -190,7 +177,9 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
                        SSVAL(param,4,4+2);     /* resume required + close on end */
                        SSVAL(param,6,info_level); 
                        SIVAL(param,8,0);
-                       pstrcpy(param+12,mask);
+                       p = param+12;
+                       p += clistr_push(cli, param+12, mask, -1, 
+                                        STR_TERMINATE);
                } else {
                        setup = TRANSACT2_FINDNEXT;
                        SSVAL(param,0,ff_dir_handle);
@@ -198,14 +187,15 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
                        SSVAL(param,4,info_level); 
                        SIVAL(param,6,0); /* ff_resume_key */
                        SSVAL(param,10,8+4+2);  /* continue + resume required + close on end */
-                       pstrcpy(param+12,mask);
-
-                       DEBUG(5,("hand=0x%X ff_lastname=%d mask=%s\n",
-                                ff_dir_handle,ff_lastname,mask));
+                       p = param+12;
+                       p += clistr_push(cli, param+12, mask, -1, 
+                                        STR_TERMINATE);
                }
 
+               param_len = PTR_DIFF(p, param);
+
                if (!cli_send_trans(cli, SMBtrans2, 
-                                   NULL, 0,                /* Name, length */
+                                   NULL,                   /* Name */
                                    -1, 0,                  /* fid, flags */
                                    &setup, 1, 0,           /* setup, length, max */
                                    param, param_len, 10,   /* param, length, max */
@@ -217,17 +207,21 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
 
                if (!cli_receive_trans(cli, SMBtrans2, 
                                       &rparam, &param_len,
-                                      &rdata, &data_len)) {
+                                      &rdata, &data_len) &&
+                    cli_is_dos_error(cli)) {
                        /* we need to work around a Win95 bug - sometimes
                           it gives ERRSRV/ERRerror temprarily */
                        uint8 eclass;
                        uint32 ecode;
-                       cli_error(cli, &eclass, &ecode, NULL);
+                       cli_dos_error(cli, &eclass, &ecode);
                        if (eclass != ERRSRV || ecode != ERRerror) break;
                        msleep(100);
                        continue;
                }
 
+                if (cli_is_error(cli) || !rdata || !rparam) 
+                       break;
+
                if (total_received == -1) total_received = 0;
 
                /* parse out some important return info */
@@ -254,31 +248,35 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
                        switch(info_level)
                                {
                                case 260:
-                                       StrnCpy(mask,p+ff_lastname,
-                                               MIN(sizeof(mask)-1,data_len-ff_lastname));
+                                       clistr_pull(cli, mask, p+ff_lastname,
+                                                   sizeof(mask), 
+                                                   data_len-ff_lastname,
+                                                   STR_TERMINATE);
                                        break;
                                case 1:
-                                       pstrcpy(mask,p + ff_lastname + 1);
+                                       clistr_pull(cli, mask, p+ff_lastname+1,
+                                                   sizeof(mask), 
+                                                   -1,
+                                                   STR_TERMINATE);
                                        break;
                                }
                } else {
                        pstrcpy(mask,"");
                }
  
-               dos_to_unix(mask, True);
                /* and add them to the dirlist pool */
-               dirlist = Realloc(dirlist,dirlist_len + data_len);
+               tdl = Realloc(dirlist,dirlist_len + data_len);
 
-               if (!dirlist) {
-                       DEBUG(0,("Failed to expand dirlist\n"));
+               if (!tdl) {
+                       DEBUG(0,("cli_list_new: Failed to expand dirlist\n"));
                        break;
                }
+               else dirlist = tdl;
 
                /* put in a length for the last entry, to ensure we can chain entries 
                   into the next packet */
                for (p2=p,i=0;i<(ff_searchcount-1);i++)
-                       p2 += interpret_long_filename(info_level,p2,NULL);
+                       p2 += interpret_long_filename(cli,info_level,p2,NULL);
                SSVAL(p2,0,data_len - PTR_DIFF(p2,p));
 
                /* grab the data for later use */
@@ -287,9 +285,9 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
 
                total_received += ff_searchcount;
 
-               if (rdata) free(rdata); rdata = NULL;
-               if (rparam) free(rparam); rparam = NULL;
-               
+               SAFE_FREE(rdata);
+               SAFE_FREE(rparam);
+
                DEBUG(3,("received %d entries (eos=%d)\n",
                         ff_searchcount,ff_eos));
 
@@ -299,22 +297,21 @@ int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute,
        }
 
        for (p=dirlist,i=0;i<total_received;i++) {
-               p += interpret_long_filename(info_level,p,&finfo);
+               p += interpret_long_filename(cli,info_level,p,&finfo);
                fn(&finfo, Mask, state);
        }
 
        /* free up the dirlist buffer */
-       if (dirlist) free(dirlist);
+       SAFE_FREE(dirlist);
        return(total_received);
 }
 
-
-
 /****************************************************************************
-interpret a short filename structure
-The length of the structure is returned
+ Interpret a short filename structure.
+ The length of the structure is returned.
 ****************************************************************************/
-static int interpret_short_filename(char *p,file_info *finfo)
+
+static int interpret_short_filename(struct cli_state *cli, char *p,file_info *finfo)
 {
        extern file_info def_finfo;
 
@@ -325,8 +322,8 @@ static int interpret_short_filename(char *p,file_info *finfo)
        /* this date is converted to GMT by make_unix_date */
        finfo->ctime = make_unix_date(p+22);
        finfo->mtime = finfo->atime = finfo->ctime;
-       finfo->size = IVAL(p,26);
-       pstrcpy(finfo->name,p+30);
+       finfo->size = IVAL_TO_SMB_OFF_T(p,26);
+       clistr_pull(cli, finfo->name, p+30, sizeof(finfo->name), 12, STR_ASCII);
        if (strcmp(finfo->name, "..") && strcmp(finfo->name, "."))
                fstrcpy(finfo->short_name,finfo->name);
        
@@ -335,12 +332,13 @@ static int interpret_short_filename(char *p,file_info *finfo)
 
 
 /****************************************************************************
-  do a directory listing, calling fn on each file found
-  this uses the old SMBsearch interface. It is needed for testing Samba,
-  but should otherwise not be used
-  ****************************************************************************/
+ Do a directory listing, calling fn on each file found.
+ this uses the old SMBsearch interface. It is needed for testing Samba,
+ but should otherwise not be used.
+****************************************************************************/
+
 int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute, 
-                void (*fn)(file_info *, const char *))
+                void (*fn)(file_info *, const char *, void *), void *state)
 {
        char *p;
        int received = 0;
@@ -349,7 +347,7 @@ int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute,
        int num_asked = (cli->max_xmit - 100)/DIR_STRUCT_SIZE;
        int num_received = 0;
        int i;
-       char *dirlist = NULL;
+       char *tdl, *dirlist = NULL;
        pstring mask;
        
        ZERO_ARRAY(status);
@@ -360,12 +358,9 @@ int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute,
                memset(cli->outbuf,'\0',smb_size);
                memset(cli->inbuf,'\0',smb_size);
 
-               if (first)      
-                       set_message(cli->outbuf,2,5 + strlen(mask),True);
-               else
-                       set_message(cli->outbuf,2,5 + 21,True);
+               set_message(cli->outbuf,2,0,True);
 
-               CVAL(cli->outbuf,smb_com) = SMBffirst;
+               SCVAL(cli->outbuf,smb_com,SMBsearch);
 
                SSVAL(cli->outbuf,smb_tid,cli->cnum);
                cli_setup_packet(cli);
@@ -376,21 +371,19 @@ int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute,
                p = smb_buf(cli->outbuf);
                *p++ = 4;
       
-               if (first)
-                       pstrcpy(p,mask);
-               else
-                       pstrcpy(p,"");
-               p += strlen(p) + 1;
-      
+               p += clistr_push(cli, p, first?mask:"", -1, STR_TERMINATE);
                *p++ = 5;
                if (first) {
                        SSVAL(p,0,0);
+                       p += 2;
                } else {
                        SSVAL(p,0,21);
                        p += 2;
                        memcpy(p,status,21);
+                       p += 21;
                }
 
+               cli_setup_bcc(cli, p);
                cli_send_smb(cli);
                if (!cli_receive_smb(cli)) break;
 
@@ -399,10 +392,14 @@ int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute,
 
                first = False;
 
-               dirlist = Realloc(dirlist,(num_received + received)*DIR_STRUCT_SIZE);
+               tdl = Realloc(dirlist,(num_received + received)*DIR_STRUCT_SIZE);
 
-               if (!dirlist) 
+               if (!tdl) {
+                       DEBUG(0,("cli_list_old: failed to expand dirlist"));
+                       SAFE_FREE(dirlist);
                        return 0;
+               }
+               else dirlist = tdl;
 
                p = smb_buf(cli->inbuf) + 3;
 
@@ -413,15 +410,15 @@ int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute,
                
                num_received += received;
                
-               if (CVAL(cli->inbuf,smb_rcls) != 0) break;
+               if (cli_is_error(cli)) break;
        }
 
        if (!first) {
                memset(cli->outbuf,'\0',smb_size);
                memset(cli->inbuf,'\0',smb_size);
 
-               set_message(cli->outbuf,2,5 + 21,True);
-               CVAL(cli->outbuf,smb_com) = SMBfclose;
+               set_message(cli->outbuf,2,0,True);
+               SCVAL(cli->outbuf,smb_com,SMBfclose);
                SSVAL(cli->outbuf,smb_tid,cli->cnum);
                cli_setup_packet(cli);
 
@@ -436,19 +433,34 @@ int cli_list_old(struct cli_state *cli,const char *Mask,uint16 attribute,
                SSVAL(p, 0, 21);
                p += 2;
                memcpy(p,status,21);
+               p += 21;
                
+               cli_setup_bcc(cli, p);
                cli_send_smb(cli);
                if (!cli_receive_smb(cli)) {
-                       DEBUG(0,("Error closing search: %s\n",smb_errstr(cli->inbuf)));
+                       DEBUG(0,("Error closing search: %s\n",cli_errstr(cli)));
                }
        }
 
        for (p=dirlist,i=0;i<num_received;i++) {
                file_info finfo;
-               p += interpret_short_filename(p,&finfo);
-               fn(&finfo, Mask);
+               p += interpret_short_filename(cli, p,&finfo);
+               fn(&finfo, Mask, state);
        }
 
-       if (dirlist) free(dirlist);
+       SAFE_FREE(dirlist);
        return(num_received);
 }
+
+/****************************************************************************
+ Do a directory listing, calling fn on each file found.
+ This auto-switches between old and new style.
+****************************************************************************/
+
+int cli_list(struct cli_state *cli,const char *Mask,uint16 attribute, 
+            void (*fn)(file_info *, const char *, void *), void *state)
+{
+       if (cli->protocol <= PROTOCOL_LANMAN1)
+               return cli_list_old(cli, Mask, attribute, fn, state);
+       return cli_list_new(cli, Mask, attribute, fn, state);
+}