From 03a06267f4674201c107b85abf993688312c5093 Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <tridge@samba.org>
Date: Sat, 3 Oct 1998 13:12:08 +0000
Subject: added simple device/inode number support based on a checksum of the
 filename (This used to be commit 5674fb4e9dc4d92213d763c8cecd26efc23a9720)

---
 source3/include/proto.h    |  4 ++--
 source3/lib/util.c         |  2 +-
 source3/libsmb/clientgen.c |  2 +-
 source3/smbwrapper/smbw.c  | 18 +++++++++++++++++-
 4 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/source3/include/proto.h b/source3/include/proto.h
index 7eb3e1abc2..08d4476da9 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -343,7 +343,7 @@ void dump_data(int level,char *buf1,int len);
 char *tab_depth(int depth);
 char *sid_to_string(pstring sidstr_out, DOM_SID *sid);
 BOOL string_to_sid(DOM_SID *sidout, char *sidstr);
-int str_checksum(char *s);
+int str_checksum(const char *s);
 void zero_free(void *p, size_t size);
 
 /*The following definitions come from  libsmb/clientgen.c  */
@@ -361,7 +361,7 @@ BOOL cli_api(struct cli_state *cli,
 	     char **rparam, int *rprcnt,
 	     char **rdata, int *rdrcnt);
 BOOL cli_NetWkstaUserLogon(struct cli_state *cli,char *user, char *workstation);
-BOOL cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, char *));
+BOOL cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, const char *));
 BOOL cli_NetServerEnum(struct cli_state *cli, char *workgroup, uint32 stype,
 		       void (*fn)(char *, uint32, char *));
 BOOL cli_session_setup(struct cli_state *cli, 
diff --git a/source3/lib/util.c b/source3/lib/util.c
index c6073cf9d6..313021abb8 100644
--- a/source3/lib/util.c
+++ b/source3/lib/util.c
@@ -4809,7 +4809,7 @@ BOOL string_to_sid(DOM_SID *sidout, char *sidstr)
  *
  * ****************************************************************************
  */
-int str_checksum(char *s)
+int str_checksum(const char *s)
 {
 	int res = 0;
 	int c;
diff --git a/source3/libsmb/clientgen.c b/source3/libsmb/clientgen.c
index 0a61a74cce..bd044f4e26 100644
--- a/source3/libsmb/clientgen.c
+++ b/source3/libsmb/clientgen.c
@@ -448,7 +448,7 @@ BOOL cli_NetWkstaUserLogon(struct cli_state *cli,char *user, char *workstation)
 /****************************************************************************
 call a NetShareEnum - try and browse available connections on a host
 ****************************************************************************/
-BOOL cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, char *))
+BOOL cli_RNetShareEnum(struct cli_state *cli, void (*fn)(const char *, uint32, const char *))
 {
   char *rparam = NULL;
   char *rdata = NULL;
diff --git a/source3/smbwrapper/smbw.c b/source3/smbwrapper/smbw.c
index d77f33c97e..3a98143260 100644
--- a/source3/smbwrapper/smbw.c
+++ b/source3/smbwrapper/smbw.c
@@ -30,6 +30,7 @@ struct smbw_server {
 	struct cli_state cli;
 	char *server_name;
 	char *share_name;
+	dev_t dev;
 };
 
 struct smbw_file {
@@ -121,6 +122,13 @@ BOOL smbw_fd(int fd)
 	return (fd >= SMBW_FD_OFFSET);
 }
 
+/***************************************************** 
+a crude inode number generator
+*******************************************************/
+ino_t smbw_inode(const char *name)
+{
+	return (ino_t)str_checksum(name);
+}
 
 /***************************************************** 
 remove redundent stuff from a filename
@@ -422,6 +430,8 @@ struct smbw_server *smbw_server(char *server, char *share)
 
 	srv->cli = c;
 
+	srv->dev = (dev_t)(str_checksum(server) ^ str_checksum(share));
+
 	srv->server_name = strdup(server);
 	if (!srv->server_name) {
 		errno = ENOMEM;
@@ -503,6 +513,7 @@ void smbw_setup_stat(struct stat *st, char *fname, size_t size, int mode)
 	st->st_blocks = (size+511)/512;
 	st->st_uid = getuid();
 	st->st_gid = getgid();
+	st->st_ino = smbw_inode(fname);
 }
 
 
@@ -653,6 +664,7 @@ int smbw_dir_open(const char *fname, int flags)
 	bitmap_set(file_bmap, fd);
 
 	dir->fd = fd + SMBW_FD_OFFSET;
+	dir->srv = srv;
 
 	DEBUG(4,("  -> %d\n", dir->count));
 
@@ -782,6 +794,8 @@ int smbw_dir_fstat(int fd, struct stat *st)
 
 	smbw_setup_stat(st, "", dir->count*sizeof(struct dirent), aDIR);
 
+	st->st_dev = dir->srv->dev;
+
 	return 0;
 }
 
@@ -820,6 +834,7 @@ int smbw_fstat(int fd, struct stat *st)
 	st->st_atime = a_time;
 	st->st_ctime = c_time;
 	st->st_mtime = m_time;
+	st->st_dev = file->srv->dev;
 
 	DEBUG(4,("%s - OK\n", __FUNCTION__));
 
@@ -876,6 +891,7 @@ int smbw_stat(const char *fname, struct stat *st)
 	st->st_atime = time(NULL);
 	st->st_ctime = m_time;
 	st->st_mtime = m_time;
+	st->st_dev = srv->dev;
 
 	smbw_busy--;
 	return 0;
@@ -1046,13 +1062,13 @@ int smbw_getdents(unsigned int fd, struct dirent *dirp, int count)
 	}
 	
 	while (count>=sizeof(*dirp) && (dir->offset < dir->count)) {
-		dirp->d_ino = dir->offset + 0x10000;
 		dirp->d_off = (dir->offset+1)*sizeof(*dirp);
 		dirp->d_reclen = sizeof(*dirp);
 		/* what's going on with the -1 here? maybe d_type
                    isn't really there? */
 		safe_strcpy(&dirp->d_name[-1], dir->list[dir->offset].name, 
 			    sizeof(dirp->d_name)-1);
+		dirp->d_ino = smbw_inode(dir->list[dir->offset].name);
 		dir->offset++;
 		count -= dirp->d_reclen;
 		if (dir->offset == dir->count) {
-- 
cgit