Added CIFS UNIX extension code to client.

Jeremy.

source/client/client.c

@@ -1558,6 +1558,148 @@ static int cmd_rmdir(void)
 	return 0;
 }
 
+/****************************************************************************
+ UNIX hardlink.
+****************************************************************************/
+
+static int cmd_link(void)
+{
+	pstring src,dest;
+	fstring buf,buf2;
+  
+	if (!SERVER_HAS_UNIX_CIFS(cli)) {
+		d_printf("Server doesn't support UNIX CIFS calls.\n");
+		return 1;
+	}
+
+	pstrcpy(src,cur_dir);
+	pstrcpy(dest,cur_dir);
+  
+	if (!next_token(NULL,buf,NULL,sizeof(buf)) || 
+	    !next_token(NULL,buf2,NULL, sizeof(buf2))) {
+		d_printf("link <src> <dest>\n");
+		return 1;
+	}
+
+	pstrcat(src,buf);
+	pstrcat(dest,buf2);
+
+	if (!cli_unix_hardlink(cli, src, dest)) {
+		d_printf("%s linking files (%s -> %s)\n", cli_errstr(cli), src, dest);
+		return 1;
+	}  
+
+	return 0;
+}
+
+/****************************************************************************
+ UNIX symlink.
+****************************************************************************/
+
+static int cmd_symlink(void)
+{
+	pstring src,dest;
+	fstring buf,buf2;
+  
+	if (!SERVER_HAS_UNIX_CIFS(cli)) {
+		d_printf("Server doesn't support UNIX CIFS calls.\n");
+		return 1;
+	}
+
+	pstrcpy(src,cur_dir);
+	pstrcpy(dest,cur_dir);
+	
+	if (!next_token(NULL,buf,NULL,sizeof(buf)) || 
+	    !next_token(NULL,buf2,NULL, sizeof(buf2))) {
+		d_printf("symlink <src> <dest>\n");
+		return 1;
+	}
+
+	pstrcat(src,buf);
+	pstrcat(dest,buf2);
+
+	if (!cli_unix_symlink(cli, src, dest)) {
+		d_printf("%s symlinking files (%s -> %s)\n",
+			cli_errstr(cli), src, dest);
+		return 1;
+	} 
+
+	return 0;
+}
+
+/****************************************************************************
+ UNIX chmod.
+****************************************************************************/
+
+static int cmd_chmod(void)
+{
+	pstring src;
+	mode_t mode;
+	fstring buf, buf2;
+  
+	if (!SERVER_HAS_UNIX_CIFS(cli)) {
+		d_printf("Server doesn't support UNIX CIFS calls.\n");
+		return 1;
+	}
+
+	pstrcpy(src,cur_dir);
+	
+	if (!next_token(NULL,buf,NULL,sizeof(buf)) || 
+	    !next_token(NULL,buf2,NULL, sizeof(buf2))) {
+		d_printf("chmod mode file\n");
+		return 1;
+	}
+
+	mode = (mode_t)strtol(buf, NULL, 8);
+	pstrcat(src,buf2);
+
+	if (!cli_unix_chmod(cli, src, mode)) {
+		d_printf("%s chmod file %s 0%o\n",
+			cli_errstr(cli), src, (unsigned int)mode);
+		return 1;
+	} 
+
+	return 0;
+}
+
+/****************************************************************************
+ UNIX chown.
+****************************************************************************/
+
+static int cmd_chown(void)
+{
+	pstring src;
+	uid_t uid;
+	gid_t gid;
+	fstring buf, buf2, buf3;
+  
+	if (!SERVER_HAS_UNIX_CIFS(cli)) {
+		d_printf("Server doesn't support UNIX CIFS calls.\n");
+		return 1;
+	}
+
+	pstrcpy(src,cur_dir);
+	
+	if (!next_token(NULL,buf,NULL,sizeof(buf)) || 
+	    !next_token(NULL,buf2,NULL, sizeof(buf2)) ||
+	    !next_token(NULL,buf3,NULL, sizeof(buf3))) {
+		d_printf("chown uid gid file\n");
+		return 1;
+	}
+
+	uid = (uid_t)atoi(buf);
+	gid = (gid_t)atoi(buf2);
+	pstrcat(src,buf3);
+
+	if (!cli_unix_chown(cli, src, uid, gid)) {
+		d_printf("%s chown file %s uid=%d, gid=%d\n",
+			cli_errstr(cli), src, (int)uid, (int)gid);
+		return 1;
+	} 
+
+	return 0;
+}
+
 /****************************************************************************
 rename some files
 ****************************************************************************/
@@ -1826,6 +1968,8 @@ struct
   {"blocksize",cmd_block,"blocksize <number> (default 20)",{COMPL_NONE,COMPL_NONE}},
   {"cancel",cmd_cancel,"<jobid> cancel a print queue entry",{COMPL_NONE,COMPL_NONE}},
   {"cd",cmd_cd,"[directory] change/report the remote directory",{COMPL_REMOTE,COMPL_NONE}},
+  {"chmod",cmd_chmod,"<src> <mode> chmod a file using UNIX permission",{COMPL_REMOTE,COMPL_REMOTE}},
+  {"chown",cmd_chown,"<src> <uid> <gid> chown a file using UNIX uids and gids",{COMPL_REMOTE,COMPL_REMOTE}},
   {"del",cmd_del,"<mask> delete all matching files",{COMPL_REMOTE,COMPL_NONE}},
   {"dir",cmd_dir,"<mask> list the contents of the current directory",{COMPL_REMOTE,COMPL_NONE}},
   {"du",cmd_du,"<mask> computes the total size of the current directory",{COMPL_REMOTE,COMPL_NONE}},
@@ -1834,6 +1978,7 @@ struct
   {"help",cmd_help,"[command] give help on a command",{COMPL_NONE,COMPL_NONE}},
   {"history",cmd_history,"displays the command history",{COMPL_NONE,COMPL_NONE}},
   {"lcd",cmd_lcd,"[directory] change/report the local current working directory",{COMPL_LOCAL,COMPL_NONE}},
+  {"link",cmd_link,"<src> <dest> create a UNIX hard link",{COMPL_REMOTE,COMPL_REMOTE}},
   {"lowercase",cmd_lowercase,"toggle lowercasing of filenames for get",{COMPL_NONE,COMPL_NONE}},  
   {"ls",cmd_dir,"<mask> list the contents of the current directory",{COMPL_REMOTE,COMPL_NONE}},
   {"mask",cmd_select,"<mask> mask all filenames against this",{COMPL_REMOTE,COMPL_NONE}},
@@ -1858,6 +2003,7 @@ struct
   {"rm",cmd_del,"<mask> delete all matching files",{COMPL_REMOTE,COMPL_NONE}},
   {"rmdir",cmd_rmdir,"<directory> remove a directory",{COMPL_NONE,COMPL_NONE}},
   {"setmode",cmd_setmode,"filename <setmode string> change modes of file",{COMPL_REMOTE,COMPL_NONE}},
+  {"symlink",cmd_symlink,"<src> <dest> create a UNIX symlink",{COMPL_REMOTE,COMPL_REMOTE}},
   {"tar",cmd_tar,"tar <c|x>[IXFqbgNan] current directory to/from <file name>",{COMPL_NONE,COMPL_NONE}},
   {"tarmode",cmd_tarmode,"<full|inc|reset|noreset> tar's behaviour towards archive bits",{COMPL_NONE,COMPL_NONE}},
   {"translate",cmd_translate,"toggle text translation for printing",{COMPL_NONE,COMPL_NONE}},

source/include/smb_macros.h

@@ -219,6 +219,12 @@ copy an IP address from one buffer to another
 
 #define putip(dest,src) memcpy(dest,src,4)
 
+/*******************************************************************
+ Return True if a server has CIFS UNIX capabilities.
+********************************************************************/
+
+#define SERVER_HAS_UNIX_CIFS(c) ((c)->capabilities & CAP_UNIX)
+
 /****************************************************************************
  Make a filename into unix format.
 ****************************************************************************/

source/libsmb/clifile.c

@@ -3,6 +3,7 @@
    Version 3.0
    client file operations
    Copyright (C) Andrew Tridgell 1994-1998
+   Copyright (C) Jeremy Allison 2001-2002
    
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -23,6 +24,169 @@
 
 #include "includes.h"
 
+/****************************************************************************
+ Hard/Symlink a file (UNIX extensions).
+****************************************************************************/
+
+static BOOL cli_link_internal(struct cli_state *cli, const char *fname_src, const char *fname_dst, BOOL hard_link)
+{
+	int data_len = 0;
+	int param_len = 0;
+	uint16 setup = TRANSACT2_SETPATHINFO;
+	char param[sizeof(pstring)+6];
+	pstring data;
+	char *rparam=NULL, *rdata=NULL;
+	char *p;
+
+	memset(param, 0, sizeof(param));
+	SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
+	p = &param[6];
+
+	p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
+	param_len = PTR_DIFF(p, param);
+
+	p = data;
+	p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
+	data_len = PTR_DIFF(p, data);
+
+	if (!cli_send_trans(cli, SMBtrans2,
+		NULL,                        /* name */
+		-1, 0,                          /* fid, flags */
+		&setup, 1, 0,                   /* setup, length, max */
+		param, param_len, 2,            /* param, length, max */
+		(char *)&data,  data_len, cli->max_xmit /* data, length, max */
+		)) {
+			return False;
+	}
+
+	if (!cli_receive_trans(cli, SMBtrans2,
+		&rparam, &param_len,
+		&rdata, &data_len)) {
+			return False;
+	}
+
+	SAFE_FREE(rdata);
+	SAFE_FREE(rparam);
+
+	return True;
+}
+
+/****************************************************************************
+ Map standard UNIX permissions onto wire representations.
+****************************************************************************/
+
+uint32  unix_perms_to_wire(mode_t perms)
+{
+        uint ret = 0;
+
+        ret |= ((perms & S_IXOTH) ?  UNIX_X_OTH : 0);
+        ret |= ((perms & S_IWOTH) ?  UNIX_W_OTH : 0);
+        ret |= ((perms & S_IROTH) ?  UNIX_R_OTH : 0);
+        ret |= ((perms & S_IXGRP) ?  UNIX_X_GRP : 0);
+        ret |= ((perms & S_IWGRP) ?  UNIX_W_GRP : 0);
+        ret |= ((perms & S_IRGRP) ?  UNIX_R_GRP : 0);
+        ret |= ((perms & S_IXUSR) ?  UNIX_X_USR : 0);
+        ret |= ((perms & S_IWUSR) ?  UNIX_W_USR : 0);
+        ret |= ((perms & S_IRUSR) ?  UNIX_R_USR : 0);
+#ifdef S_ISVTX
+        ret |= ((perms & S_ISVTX) ?  UNIX_STICKY : 0);
+#endif
+#ifdef S_ISGID
+        ret |= ((perms & S_ISGID) ?  UNIX_SET_GID : 0);
+#endif
+#ifdef S_ISUID
+        ret |= ((perms & S_ISVTX) ?  UNIX_SET_UID : 0);
+#endif
+        return ret;
+}
+
+/****************************************************************************
+ Symlink a file (UNIX extensions).
+****************************************************************************/
+
+BOOL cli_unix_symlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
+{
+	return cli_link_internal(cli, fname_src, fname_dst, False);
+}
+
+/****************************************************************************
+ Hard a file (UNIX extensions).
+****************************************************************************/
+
+BOOL cli_unix_hardlink(struct cli_state *cli, const char *fname_src, const char *fname_dst)
+{
+	return cli_link_internal(cli, fname_src, fname_dst, True);
+}
+
+/****************************************************************************
+ Chmod or chown a file internal (UNIX extensions).
+****************************************************************************/
+
+static BOOL cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fname, uint32 mode, uint32 uid, uint32 gid)
+{
+	int data_len = 0;
+	int param_len = 0;
+	uint16 setup = TRANSACT2_SETPATHINFO;
+	char param[sizeof(pstring)+6];
+	char data[100];
+	char *rparam=NULL, *rdata=NULL;
+	char *p;
+
+	memset(param, 0, sizeof(param));
+	memset(data, 0, sizeof(data));
+	SSVAL(param,0,SMB_SET_FILE_UNIX_BASIC);
+	p = &param[6];
+
+	p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
+	param_len = PTR_DIFF(p, param);
+
+	SIVAL(data,40,uid);
+	SIVAL(data,48,gid);
+	SIVAL(data,84,mode);
+
+	data_len = 100;
+
+	if (!cli_send_trans(cli, SMBtrans2,
+		NULL,                        /* name */
+		-1, 0,                          /* fid, flags */
+		&setup, 1, 0,                   /* setup, length, max */
+		param, param_len, 2,            /* param, length, max */
+		(char *)&data,  data_len, cli->max_xmit /* data, length, max */
+		)) {
+			return False;
+	}
+
+	if (!cli_receive_trans(cli, SMBtrans2,
+		&rparam, &param_len,
+		&rdata, &data_len)) {
+			return False;
+	}
+
+	SAFE_FREE(rdata);
+	SAFE_FREE(rparam);
+
+	return True;
+}
+
+/****************************************************************************
+ chmod a file (UNIX extensions).
+****************************************************************************/
+
+BOOL cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
+{
+	return cli_unix_chmod_chown_internal(cli, fname, 
+		unix_perms_to_wire(mode), UID_NO_CHANGE, GID_NO_CHANGE);
+}
+
+/****************************************************************************
+ chown a file (UNIX extensions).
+****************************************************************************/
+
+BOOL cli_unix_chown(struct cli_state *cli, const char *fname, uid_t uid, gid_t gid)
+{
+	return cli_unix_chmod_chown_internal(cli, fname, MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
+}
+
 /****************************************************************************
  Rename a file.
 ****************************************************************************/