implemented du and tar -n

(This used to be commit 23484508a86a59a71e54a1bcac3766ec3858142a)

2 files changed, 141 insertions, 5 deletions

diff --git a/source3/client/client.c b/source3/client/client.c
index 684a2502b5..b9b146fc94 100644
--- a/source3/client/client.c
+++ b/source3/client/client.c
@@ -477,6 +477,17 @@ static void display_finfo(file_info *finfo)
 
 
 /****************************************************************************
+  calculate size of a file
+  ****************************************************************************/
+static void do_du(file_info *finfo)
+{
+  if (do_this_one(finfo)) {
+    dir_total += finfo->size;
+  }
+}
+
+
+/****************************************************************************
   do a directory listing, calling fn on each file found. Use the TRANSACT2
   call for long filenames
   ****************************************************************************/
@@ -1056,6 +1067,38 @@ static void cmd_dir(char *inbuf,char *outbuf)
 }
 
 
+/****************************************************************************
+  get a directory listing
+  ****************************************************************************/
+static void cmd_du(char *inbuf,char *outbuf)
+{
+  int attribute = aDIR | aSYSTEM | aHIDDEN;
+  pstring mask;
+  fstring buf;
+  char *p=buf;
+
+  dir_total = 0;
+  pstrcpy(mask,cur_dir);
+  if(mask[strlen(mask)-1]!='\\')
+    pstrcat(mask,"\\");
+
+  if (next_token(NULL,buf,NULL,sizeof(buf)))
+    {
+      if (*p == '\\')
+	pstrcpy(mask,p);
+      else
+	pstrcat(mask,p);
+    }
+  else {
+    pstrcat(mask,"*");
+  }
+
+  do_dir(inbuf,outbuf,mask,attribute,do_du,recurse,False);
+
+  do_dskattr();
+
+  DEBUG(0, ("Total number of bytes: %d\n", dir_total));
+}
 
 /****************************************************************************
   get a file from rname to lname
@@ -3226,6 +3269,7 @@ struct
 {
   {"ls",cmd_dir,"<mask> list the contents of the current directory",COMPL_REMOTE},
   {"dir",cmd_dir,"<mask> list the contents of the current directory",COMPL_REMOTE},
+  {"du",cmd_du,"<mask> computes the total size of the current directory",COMPL_REMOTE},
   {"lcd",cmd_lcd,"[directory] change/report the local current working directory",COMPL_LOCAL},
   {"cd",cmd_cd,"[directory] change/report the remote directory",COMPL_REMOTE},
   {"pwd",cmd_pwd,"show current remote directory (same as 'cd' with no args)"},
@@ -3257,7 +3301,7 @@ struct
   {"exit",cli_send_logout,"logoff the server"},
   {"newer",cmd_newer,"<file> only mget files newer than the specified local file",COMPL_LOCAL},
   {"archive",cmd_archive,"<level>\n0=ignore archive bit\n1=only get archive files\n2=only get archive files and reset archive bit\n3=get all files and reset archive bit"},
-  {"tar",cmd_tar,"tar <c|x>[IXbgNa] current directory to/from <file name>" },
+  {"tar",cmd_tar,"tar <c|x>[IXbgNan] current directory to/from <file name>" },
   {"blocksize",cmd_block,"blocksize <number> (default 20)" },
   {"tarmode",cmd_tarmode,
      "<full|inc|reset|noreset> tar's behaviour towards archive bits" },
@@ -3694,7 +3738,7 @@ static void usage(char *pname)
   DEBUG(0,("\t-W workgroup          set the workgroup name\n"));
   DEBUG(0,("\t-c command string     execute semicolon separated commands\n"));
   DEBUG(0,("\t-t terminal code      terminal i/o code {sjis|euc|jis7|jis8|junet|hex}\n"));
-  DEBUG(0,("\t-T<c|x>IXgbNa          command line tar\n"));
+  DEBUG(0,("\t-T<c|x>IXgbNan        command line tar\n"));
   DEBUG(0,("\t-D directory          start from directory\n"));
   DEBUG(0,("\n"));
 }
@@ -3791,6 +3835,58 @@ static void usage(char *pname)
     got_pass = True;
   }
 
+  if (getenv("PASSWD_FD") || getenv("PASSWD_FILE")) {
+    int fd = -1;
+    BOOL close_it;
+    pstring spec;
+    char pass[128];
+    char *p;
+    if ((p = getenv("PASSWD_FD")) != NULL) {
+      pstrcpy(spec, "descriptor ");
+      pstrcat(spec, p);
+      sscanf(p, "%d", &fd);
+      close_it = False;
+    } else if ((p = getenv("PASSWD_FILE")) != NULL) {
+      fd = open(p, O_RDONLY);
+      pstrcpy(spec, p);
+      if (fd < 0) {
+	fprintf(stderr, "Error opening PASSWD_FILE %s: %s\n",
+		spec, strerror(errno));
+	exit(1);
+      }
+      close_it = True;
+    }
+    for(p = pass, *p = '\0'; /* ensure that pass is null-terminated */
+	p && p - pass < sizeof(pass);) {
+      switch (read(fd, p, 1)) {
+      case 1:
+	if (*p != '\n' && *p != '\0') {
+	  *++p = '\0'; /* advance p, and null-terminate pass */
+	  break;
+	}
+      case 0:
+	if (p - pass) {
+	  *p = '\0'; /* null-terminate it, just in case... */
+	  p = NULL; /* then force the loop condition to become false */
+	  break;
+	} else {
+	  fprintf(stderr, "Error reading password from file %s: %s\n",
+		  spec, "empty password\n");
+	  exit(1);
+	}
+
+      default:
+	fprintf(stderr, "Error reading password from file %s: %s\n",
+		spec, strerror(errno));
+	exit(1);
+      }
+    }
+    pstrcpy(password, pass);
+    got_pass = True;
+    if (close_it)
+      close(fd);
+  }
+
   if (*username == 0 && getenv("LOGNAME"))
     {
       pstrcpy(username,getenv("LOGNAME"));
diff --git a/source3/client/clitar.c b/source3/client/clitar.c
index e7ab180836..0ce5c205fa 100644
--- a/source3/client/clitar.c
+++ b/source3/client/clitar.c
@@ -98,6 +98,8 @@ BOOL tar_re_search=False;
 #ifdef HAVE_REGEX_H
 regex_t *preg;
 #endif
+/* Do not dump anything, just calculate sizes */
+BOOL dry_run=False;
 /* Dump files with System attribute */
 BOOL tar_system=True;
 /* Dump files with Hidden attribute */
@@ -374,6 +376,9 @@ static int dotarbuf(int f, char *b, int n)
 {
   int fail=1, writ=n;
 
+  if (dry_run) {
+    return writ;
+  }
   /* This routine and the next one should be the only ones that do write()s */
   if (tp + n >= tbufsiz)
     {
@@ -410,6 +415,9 @@ static void dozerobuf(int f, int n)
    * used to round files to nearest block
    * and to do tar EOFs */
 
+  if (dry_run)
+    return;
+  
   if (n+tp >= tbufsiz)
     {
       memset(tarbuf+tp, 0, tbufsiz-tp);
@@ -445,6 +453,9 @@ static void dotareof(int f)
   SMB_STRUCT_STAT stbuf;
   /* Two zero blocks at end of file, write out full buffer */
 
+  if (dry_run)
+    return;
+
   (void) dozerobuf(f, TBLOCK);
   (void) dozerobuf(f, TBLOCK);
 
@@ -1034,7 +1045,17 @@ static void do_atar(char *rname,char *lname,file_info *finfo1)
     finfo.ctime = def_finfo.ctime;
   }
 
-
+  if (dry_run)
+    {
+      DEBUG(3,("skipping file %s of size %d bytes\n",
+	       finfo.name,
+	       finfo.size));
+      shallitime=0;
+      ttarf+=finfo.size + TBLOCK - (finfo.size % TBLOCK);
+      ntarf++;
+      return;
+    }
+    
   inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
   outbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
 
@@ -1403,7 +1424,8 @@ static void do_atar(char *rname,char *lname,file_info *finfo1)
       int this_time;
 
       /* if shallitime is true then we didn't skip */
-      if (tar_reset) (void) do_setrattr(finfo.name, aARCH, ATTRRESET);
+      if (tar_reset && !dry_run)
+	(void) do_setrattr(finfo.name, aARCH, ATTRRESET);
       
       GetTimeOfDay(&tp_end);
       this_time = 
@@ -2381,7 +2403,7 @@ void cmd_tar(char *inbuf, char *outbuf)
 
   if (!next_token(NULL,buf,NULL,sizeof(buf)))
     {
-      DEBUG(0,("tar <c|x>[IXbga] <filename>\n"));
+      DEBUG(0,("tar <c|x>[IXbgan] <filename>\n"));
       return;
     }
 
@@ -2618,6 +2640,7 @@ int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind)
    */
   tar_type='\0';
   tar_excl=True;
+  dry_run=False;
 
   while (*Optarg) 
     switch(*Optarg++) {
@@ -2689,6 +2712,15 @@ int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind)
       DEBUG(0, ("tar_re_search set\n"));
       tar_re_search = True;
       break;
+    case 'n':
+      if (tar_type == 'c') {
+	DEBUG(0, ("dry_run set\n"));
+	dry_run = True;
+      } else {
+	DEBUG(0, ("n is only meaningful when creating a tar-file\n"));
+	return 0;
+      }
+      break;
     default:
       DEBUG(0,("Unknown tar option\n"));
       return 0;
@@ -2779,6 +2811,14 @@ int tar_parseargs(int argc, char *argv[], char *Optarg, int Optind)
     /* Sets tar handle to either 0 or 1, as appropriate */
     tarhandle=(tar_type=='c');
   } else {
+    if (tar_type=='c' && (dry_run || strcmp(argv[Optind], "/dev/null")==0))
+      {
+	if (!dry_run) {
+	  DEBUG(0,("Output is /dev/null, assuming dry_run"));
+	  dry_run = True;
+	}
+	tarhandle=-1;
+      } else
     if ((tar_type=='x' && (tarhandle = open(argv[Optind], O_RDONLY)) == -1)
 	|| (tar_type=='c' && (tarhandle=creat(argv[Optind], 0644)) < 0))
       {