[SCM] Samba Shared Repository - branch v3-2-test updated - initial-v3-2-unstable-498-g71770b4

Jeremy Allison jra at samba.org
Wed Dec 5 21:33:58 GMT 2007


The branch, v3-2-test has been updated
       via  71770b4c1d021d829deeb53a6ea3b747fce55c84 (commit)
      from  487ab6e75e8b8d15f2a37e4ba4129eb2475d4c86 (commit)

http://gitweb.samba.org/?p=samba.git;a=shortlog;h=v3-2-test


- Log -----------------------------------------------------------------
commit 71770b4c1d021d829deeb53a6ea3b747fce55c84
Author: Jeremy Allison <jra at samba.org>
Date:   Wed Dec 5 13:31:24 2007 -0800

    Remove arbitrary 1k limit on pathnames. Malloc them.
    Jeremy.

-----------------------------------------------------------------------

Summary of changes:
 source/libsmb/clifile.c |  462 ++++++++++++++++++++++++++++------------------
 source/libsmb/clirap.c  |   97 +++++++---
 2 files changed, 347 insertions(+), 212 deletions(-)


Changeset truncated at 500 lines:

diff --git a/source/libsmb/clifile.c b/source/libsmb/clifile.c
index cd50cfc..70b4fe7 100644
--- a/source/libsmb/clifile.c
+++ b/source/libsmb/clifile.c
@@ -30,44 +30,57 @@ static bool cli_link_internal(struct cli_state *cli, const char *oldname, const
 	unsigned int data_len = 0;
 	unsigned int param_len = 0;
 	uint16 setup = TRANSACT2_SETPATHINFO;
-	char param[1024+6];
-	char data[1024];
+	char *param;
+	char *data;
 	char *rparam=NULL, *rdata=NULL;
 	char *p;
 	size_t oldlen = 2*(strlen(oldname)+1);
 	size_t newlen = 2*(strlen(newname)+1);
 
-	memset(param, 0, sizeof(param));
+	param = SMB_MALLOC(6+newlen+2);
+	data = SMB_MALLOC(oldlen+2);
+	if (!param || !data) {
+		return false;
+	}
+
 	SSVAL(param,0,hard_link ? SMB_SET_FILE_UNIX_HLINK : SMB_SET_FILE_UNIX_LINK);
+	SIVAL(param,2,0);
 	p = &param[6];
 
-	p += clistr_push(cli, p, newname, MIN(newlen, sizeof(param)-6), STR_TERMINATE);
+	p += clistr_push(cli, p, newname, newlen, STR_TERMINATE);
 	param_len = PTR_DIFF(p, param);
 
 	p = data;
-	p += clistr_push(cli, p, oldname, MIN(oldlen,sizeof(data)), STR_TERMINATE);
+	p += clistr_push(cli, p, oldname, oldlen, 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;
+			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 */
+			)) {
+		SAFE_FREE(data);
+		SAFE_FREE(param);
+		return false;
 	}
 
+	SAFE_FREE(data);
+	SAFE_FREE(param);
+
 	if (!cli_receive_trans(cli, SMBtrans2,
-		&rparam, &param_len,
-		&rdata, &data_len)) {
-			return False;
+			&rparam, &param_len,
+			&rdata, &data_len)) {
+			return false;
 	}
 
+	SAFE_FREE(data);
+	SAFE_FREE(param);
 	SAFE_FREE(rdata);
 	SAFE_FREE(rparam);
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -131,7 +144,7 @@ mode_t wire_perms_to_unix(uint32 perms)
 /****************************************************************************
  Return the file type from the wire filetype for UNIX extensions.
 ****************************************************************************/
-                                                                                                                
+
 static mode_t unix_filetype_from_wire(uint32 wire_type)
 {
 	switch (wire_type) {
@@ -173,15 +186,21 @@ bool cli_unix_getfacl(struct cli_state *cli, const char *name, size_t *prb_size,
 	unsigned int param_len = 0;
 	unsigned int data_len = 0;
 	uint16 setup = TRANSACT2_QPATHINFO;
-	char param[1024+6];
+	char *param;
+	size_t nlen = 2*(strlen(name)+1);
 	char *rparam=NULL, *rdata=NULL;
 	char *p;
 
+	param = SMB_MALLOC(6+nlen+2);
+	if (!param) {
+		return false;
+	}
+
 	p = param;
-	memset(p, 0, 6);
+	memset(p, '\0', 6);
 	SSVAL(p, 0, SMB_QUERY_POSIX_ACL);
 	p += 6;
-	p += clistr_push(cli, p, name, sizeof(param)-6, STR_TERMINATE);
+	p += clistr_push(cli, p, name, nlen, STR_TERMINATE);
 	param_len = PTR_DIFF(p, param);
 
 	if (!cli_send_trans(cli, SMBtrans2,
@@ -191,26 +210,29 @@ bool cli_unix_getfacl(struct cli_state *cli, const char *name, size_t *prb_size,
 		param, param_len, 2,         /* param, length, max */
 		NULL,  0, cli->max_xmit      /* data, length, max */
 		)) {
-			return False;
+		SAFE_FREE(param);
+		return false;
 	}
 
+	SAFE_FREE(param);
+
 	if (!cli_receive_trans(cli, SMBtrans2,
-		&rparam, &param_len,
-		&rdata, &data_len)) {
-			return False;
+			&rparam, &param_len,
+			&rdata, &data_len)) {
+		return false;
 	}
 
 	if (data_len < 6) {
 		SAFE_FREE(rdata);
 		SAFE_FREE(rparam);
-		return False;
+		return false;
 	}
 
 	SAFE_FREE(rparam);
 	*retbuf = rdata;
 	*prb_size = (size_t)data_len;
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -222,39 +244,47 @@ bool cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbu
 	unsigned int param_len = 0;
 	unsigned int data_len = 0;
 	uint16 setup = TRANSACT2_QPATHINFO;
-	char param[1024+6];
+	char *param;
+	size_t nlen = 2*(strlen(name)+1);
 	char *rparam=NULL, *rdata=NULL;
 	char *p;
 
 	ZERO_STRUCTP(sbuf);
 
+	param = SMB_MALLOC(6+nlen+2);
+	if (!param) {
+		return false;
+	}
 	p = param;
-	memset(p, 0, 6);
+	memset(p, '\0', 6);
 	SSVAL(p, 0, SMB_QUERY_FILE_UNIX_BASIC);
 	p += 6;
-	p += clistr_push(cli, p, name, sizeof(param)-6, STR_TERMINATE);
+	p += clistr_push(cli, p, name, nlen, STR_TERMINATE);
 	param_len = PTR_DIFF(p, param);
 
 	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 */
-		NULL,  0, cli->max_xmit      /* data, length, max */
-		)) {
-			return False;
+			NULL,                        /* name */
+			-1, 0,                       /* fid, flags */
+			&setup, 1, 0,                /* setup, length, max */
+			param, param_len, 2,         /* param, length, max */
+			NULL,  0, cli->max_xmit      /* data, length, max */
+			)) {
+		SAFE_FREE(param);
+		return false;
 	}
 
+	SAFE_FREE(param);
+
 	if (!cli_receive_trans(cli, SMBtrans2,
-		&rparam, &param_len,
-		&rdata, &data_len)) {
-			return False;
+			&rparam, &param_len,
+			&rdata, &data_len)) {
+		return false;
 	}
 
 	if (data_len < 96) {
 		SAFE_FREE(rdata);
 		SAFE_FREE(rparam);
-		return False;
+		return false;
 	}
 
 	sbuf->st_size = IVAL2_TO_SMB_BIG_UINT(rdata,0);     /* total size, in bytes */
@@ -286,7 +316,7 @@ bool cli_unix_stat(struct cli_state *cli, const char *name, SMB_STRUCT_STAT *sbu
 	SAFE_FREE(rdata);
 	SAFE_FREE(rparam);
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -316,17 +346,23 @@ static bool cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fna
 	unsigned int data_len = 0;
 	unsigned int param_len = 0;
 	uint16 setup = TRANSACT2_SETPATHINFO;
-	char param[1024+6];
+	size_t nlen = 2*(strlen(fname)+1);
+	char *param;
 	char data[100];
 	char *rparam=NULL, *rdata=NULL;
 	char *p;
 
-	memset(param, 0, sizeof(param));
+	param = SMB_MALLOC(6+nlen+2);
+	if (!param) {
+		return false;
+	}
+	memset(param, '\0', 6);
 	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);
+	p += clistr_push(cli, p, fname, nlen, STR_TERMINATE);
 	param_len = PTR_DIFF(p, param);
 
 	memset(data, 0xff, 40); /* Set all sizes/times to no change. */
@@ -338,25 +374,28 @@ static bool cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fna
 	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;
+			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 */
+			)) {
+		SAFE_FREE(param);
+		return False;
 	}
 
+	SAFE_FREE(param);
+
 	if (!cli_receive_trans(cli, SMBtrans2,
-		&rparam, &param_len,
-		&rdata, &data_len)) {
-			return False;
+			&rparam, &param_len,
+			&rdata, &data_len)) {
+		return false;
 	}
 
 	SAFE_FREE(rdata);
 	SAFE_FREE(rparam);
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -365,7 +404,7 @@ static bool cli_unix_chmod_chown_internal(struct cli_state *cli, const char *fna
 
 bool cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
 {
-	return cli_unix_chmod_chown_internal(cli, fname, 
+	return cli_unix_chmod_chown_internal(cli, fname,
 		unix_perms_to_wire(mode), SMB_UID_NO_CHANGE, SMB_GID_NO_CHANGE);
 }
 
@@ -375,7 +414,8 @@ bool cli_unix_chmod(struct cli_state *cli, const char *fname, mode_t mode)
 
 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, SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
+	return cli_unix_chmod_chown_internal(cli, fname,
+			SMB_MODE_NO_CHANGE, (uint32)uid, (uint32)gid);
 }
 
 /****************************************************************************
@@ -389,7 +429,7 @@ bool cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_
 	memset(cli->outbuf,'\0',smb_size);
 	memset(cli->inbuf,'\0',smb_size);
 
-	set_message(cli->outbuf,1, 0, True);
+	set_message(cli->outbuf,1, 0, true);
 
 	SCVAL(cli->outbuf,smb_com,SMBmv);
 	SSVAL(cli->outbuf,smb_tid,cli->cnum);
@@ -399,20 +439,24 @@ bool cli_rename(struct cli_state *cli, const char *fname_src, const char *fname_
 
 	p = smb_buf(cli->outbuf);
 	*p++ = 4;
-	p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
+	p += clistr_push(cli, p, fname_src,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 	*p++ = 4;
-	p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
+	p += clistr_push(cli, p, fname_dst,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 
 	cli_setup_bcc(cli, p);
 
 	cli_send_smb(cli);
-	if (!cli_receive_smb(cli))
-		return False;
+	if (!cli_receive_smb(cli)) {
+		return false;
+	}
 
-	if (cli_is_error(cli))
-		return False;
+	if (cli_is_error(cli)) {
+		return false;
+	}
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -426,7 +470,7 @@ bool cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fnam
 	memset(cli->outbuf,'\0',smb_size);
 	memset(cli->inbuf,'\0',smb_size);
 
-	set_message(cli->outbuf, 4, 0, True);
+	set_message(cli->outbuf, 4, 0, true);
 
 	SCVAL(cli->outbuf,smb_com,SMBntrename);
 	SSVAL(cli->outbuf,smb_tid,cli->cnum);
@@ -437,20 +481,24 @@ bool cli_ntrename(struct cli_state *cli, const char *fname_src, const char *fnam
 
 	p = smb_buf(cli->outbuf);
 	*p++ = 4;
-	p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
+	p += clistr_push(cli, p, fname_src,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 	*p++ = 4;
-	p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
+	p += clistr_push(cli, p, fname_dst,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 
 	cli_setup_bcc(cli, p);
 
 	cli_send_smb(cli);
-	if (!cli_receive_smb(cli))
-		return False;
+	if (!cli_receive_smb(cli)) {
+		return false;
+	}
 
-	if (cli_is_error(cli))
-		return False;
+	if (cli_is_error(cli)) {
+		return false;
+	}
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -464,7 +512,7 @@ bool cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *f
 	memset(cli->outbuf,'\0',smb_size);
 	memset(cli->inbuf,'\0',smb_size);
 
-	set_message(cli->outbuf, 4, 0, True);
+	set_message(cli->outbuf, 4, 0, true);
 
 	SCVAL(cli->outbuf,smb_com,SMBntrename);
 	SSVAL(cli->outbuf,smb_tid,cli->cnum);
@@ -475,20 +523,24 @@ bool cli_nt_hardlink(struct cli_state *cli, const char *fname_src, const char *f
 
 	p = smb_buf(cli->outbuf);
 	*p++ = 4;
-	p += clistr_push(cli, p, fname_src, -1, STR_TERMINATE);
+	p += clistr_push(cli, p, fname_src,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 	*p++ = 4;
-	p += clistr_push(cli, p, fname_dst, -1, STR_TERMINATE);
+	p += clistr_push(cli, p, fname_dst,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 
 	cli_setup_bcc(cli, p);
 
 	cli_send_smb(cli);
-	if (!cli_receive_smb(cli))
-		return False;
+	if (!cli_receive_smb(cli)) {
+		return false;
+	}
 
-	if (cli_is_error(cli))
-		return False;
+	if (cli_is_error(cli)) {
+		return false;
+	}
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -502,29 +554,30 @@ bool cli_unlink_full(struct cli_state *cli, const char *fname, uint16 attrs)
 	memset(cli->outbuf,'\0',smb_size);
 	memset(cli->inbuf,'\0',smb_size);
 
-	set_message(cli->outbuf,1, 0,True);
+	set_message(cli->outbuf,1, 0, true);
 
 	SCVAL(cli->outbuf,smb_com,SMBunlink);
 	SSVAL(cli->outbuf,smb_tid,cli->cnum);
 	cli_setup_packet(cli);
 
 	SSVAL(cli->outbuf,smb_vwv0, attrs);
-  
+
 	p = smb_buf(cli->outbuf);
-	*p++ = 4;      
-	p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
+	*p++ = 4;
+	p += clistr_push(cli, p, fname,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 
 	cli_setup_bcc(cli, p);
 	cli_send_smb(cli);
 	if (!cli_receive_smb(cli)) {
-		return False;
+		return false;
 	}
 
 	if (cli_is_error(cli)) {
-		return False;
+		return false;
 	}
 
-	return True;
+	return true;
 }
 
 /****************************************************************************
@@ -547,15 +600,16 @@ bool cli_mkdir(struct cli_state *cli, const char *dname)
 	memset(cli->outbuf,'\0',smb_size);
 	memset(cli->inbuf,'\0',smb_size);
 
-	set_message(cli->outbuf,0, 0,True);
+	set_message(cli->outbuf,0, 0, true);
 
 	SCVAL(cli->outbuf,smb_com,SMBmkdir);
 	SSVAL(cli->outbuf,smb_tid,cli->cnum);
 	cli_setup_packet(cli);
 
 	p = smb_buf(cli->outbuf);
-	*p++ = 4;      
-	p += clistr_push(cli, p, dname, -1, STR_TERMINATE);
+	*p++ = 4;
+	p += clistr_push(cli, p, dname,
+			cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_TERMINATE);
 
 	cli_setup_bcc(cli, p);
 
@@ -582,28 +636,29 @@ bool cli_rmdir(struct cli_state *cli, const char *dname)
 	memset(cli->outbuf,'\0',smb_size);
 	memset(cli->inbuf,'\0',smb_size);
 
-	set_message(cli->outbuf,0, 0, True);
+	set_message(cli->outbuf,0, 0, true);
 
 	SCVAL(cli->outbuf,smb_com,SMBrmdir);
 	SSVAL(cli->outbuf,smb_tid,cli->cnum);
 	cli_setup_packet(cli);
 
 	p = smb_buf(cli->outbuf);
-	*p++ = 4;      
-	p += clistr_push(cli, p, dname, -1, STR_TERMINATE);


-- 
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