Attachment 379 Details for Bug 993 – patch to allow creation of symlinks

[patch] patch to allow creation of symlinks

samba-3.0.1-symlink.diff (text/plain), 1.51 KB, created by Roman Dubtsov on 2004-02-04 10:46:33 UTC

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Creator: Roman Dubtsov

Created: 2004-02-04 10:46:33 UTC

Size: 1.51 KB

patch

obsolete

>diff -urN samba-3.0.1-orig/source/smbd/trans2.c samba-3.0.1/source/smbd/trans2.c
>--- samba-3.0.1-orig/source/smbd/trans2.c	Sun Jan  4 20:46:36 2004
>+++ samba-3.0.1/source/smbd/trans2.c	Wed Feb  4 21:48:10 2004
>@@ -2397,6 +2397,34 @@
> }
> 
> /****************************************************************************
>+ Makes link_dest path relative to link_src
>+****************************************************************************/
>+
>+static void make_link_relative(const char *link_src, char *link_dest)
>+{
>+	const char *p1 = link_src;
>+	char *p2 = link_dest;
>+	pstring link_rel;
>+	int sl = 0;
>+
>+	while (*(p1++) == *(p2++));
>+	for ( ;*p1 != '/' && p1 != link_src; p1--,p2--);
>+
>+	while (*(p1++))
>+		sl = (*p1 == '/') ? sl + 1 : sl;
>+	if (!sl) return;
>+
>+	pstrcpy(link_rel, "../");
>+	for ( ;sl > 1; sl--)
>+		pstrcat(link_rel, "../");
>+	pstrcat(link_rel, *p2 == '/' ? ++p2 : p2);
>+
>+	DEBUG(10,("before (%s -> %s), after (%s -> %s)\n", link_src, link_dest, link_src, link_rel));
>+
>+	pstrcpy(link_dest, link_rel);
>+}
>+
>+/****************************************************************************
>  Returns true if this pathname is within the share, and thus safe.
> ****************************************************************************/
> 
>@@ -2946,6 +2974,8 @@
> 
> 			if (ensure_link_is_safe(conn, link_dest, link_dest) != 0)
> 				return(UNIXERROR(ERRDOS,ERRnoaccess));
>+
>+			make_link_relative(fname, link_dest);
> 
> 			DEBUG(10,("call_trans2setfilepathinfo: SMB_SET_FILE_UNIX_LINK doing symlink %s -> %s\n",
> 				fname, link_dest ));

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