diff options
Diffstat (limited to 'source3/libsmb')
| -rw-r--r-- | source3/libsmb/clidfs.c | 69 |
1 files changed, 64 insertions, 5 deletions
diff --git a/source3/libsmb/clidfs.c b/source3/libsmb/clidfs.c index 21046cd380..6d1e597410 100644 --- a/source3/libsmb/clidfs.c +++ b/source3/libsmb/clidfs.c @@ -59,6 +59,7 @@ static struct cli_state *do_connect( const char *server, const char *share, struct in_addr ip; pstring servicename; char *sharename; + fstring newserver, newshare; /* make a copy so we don't modify the global string 'service' */ pstrcpy(servicename, share); @@ -155,8 +156,19 @@ static struct cli_state *do_connect( const char *server, const char *share, } DEBUG(4,(" session setup ok\n")); - if (!cli_send_tconX(c, sharename, "?????", - password, strlen(password)+1)) { + /* here's the fun part....to support 'msdfs proxy' shares + (on Samba or windows) we have to issues a TRANS_GET_DFS_REFERRAL + here before trying to connect to the original share. + check_dfs_proxy() will fail if it is a normal share. */ + + if ( cli_check_msdfs_proxy( c, sharename, newserver, newshare ) ) { + cli_shutdown(c); + return do_connect( newserver, newshare, False ); + } + + /* must be a normal share */ + + if (!cli_send_tconX(c, sharename, "?????", password, strlen(password)+1)) { d_printf("tree connect failed: %s\n", cli_errstr(c)); cli_shutdown(c); return NULL; @@ -414,7 +426,7 @@ static void clean_path( pstring clean, const char *path ) /**************************************************************************** ****************************************************************************/ -static BOOL make_full_path( pstring path, const char *server, const char *share, +BOOL cli_dfs_make_full_path( pstring path, const char *server, const char *share, const char *dir ) { pstring servicename; @@ -583,7 +595,7 @@ BOOL cli_resolve_path( const char *mountpt, struct cli_state *rootcli, const cha /* send a trans2_query_path_info to check for a referral */ clean_path( cleanpath, path ); - make_full_path( fullpath, rootcli->desthost, rootcli->share, cleanpath ); + cli_dfs_make_full_path( fullpath, rootcli->desthost, rootcli->share, cleanpath ); /* don't bother continuing if this is not a dfs root */ @@ -612,7 +624,7 @@ BOOL cli_resolve_path( const char *mountpt, struct cli_state *rootcli, const cha /* just store the first referral for now Make sure to recreate the original string including any wildcards */ - make_full_path( fullpath, rootcli->desthost, rootcli->share, path ); + cli_dfs_make_full_path( fullpath, rootcli->desthost, rootcli->share, path ); pathlen = strlen( fullpath )*2; consumed = MIN(pathlen, consumed ); pstrcpy( targetpath, &fullpath[consumed/2] ); @@ -654,3 +666,50 @@ BOOL cli_resolve_path( const char *mountpt, struct cli_state *rootcli, const cha return True; } + +/******************************************************************** +********************************************************************/ + +BOOL cli_check_msdfs_proxy( struct cli_state *cli, const char *sharename, + fstring newserver, fstring newshare ) +{ + CLIENT_DFS_REFERRAL *refs = NULL; + size_t num_refs; + uint16 consumed; + struct cli_state *cli_ipc; + pstring fullpath; + + if ( !cli || !sharename ) + return False; + + /* special case. never check for a referral on the IPC$ share */ + + if ( strequal( sharename, "IPC$" ) ) + return False; + + /* send a trans2_query_path_info to check for a referral */ + + pstr_sprintf( fullpath, "\\%s\\%s", cli->desthost, sharename ); + + /* check for the referral */ + + if ( !(cli_ipc = cli_cm_open( cli->desthost, "IPC$", False )) ) + return False; + + if ( !cli_dfs_get_referral(cli_ipc, fullpath, &refs, &num_refs, &consumed) + || !num_refs ) + { + return False; + } + + split_dfs_path( refs[0].dfspath, newserver, newshare ); + + /* check that this is not a self-referral */ + + if ( strequal( cli->desthost, newserver ) && strequal( sharename, newshare ) ) + return False; + + SAFE_FREE( refs ); + + return True; +} |