diff options
Diffstat (limited to 'source3/libsmb/clifile.c')
| -rw-r--r-- | source3/libsmb/clifile.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/source3/libsmb/clifile.c b/source3/libsmb/clifile.c index a559664fb3..1f547ee305 100644 --- a/source3/libsmb/clifile.c +++ b/source3/libsmb/clifile.c @@ -1766,3 +1766,179 @@ BOOL cli_get_ea_list_fnum(struct cli_state *cli, int fnum, return cli_get_ea_list(cli, setup, param, 6, ctx, pnum_eas, pea_list); } + +/**************************************************************************** + Convert open "flags" arg to uint32 on wire. +****************************************************************************/ + +static uint32 open_flags_to_wire(int flags) +{ + int open_mode = flags & O_ACCMODE; + uint32 ret = 0; + + switch (open_mode) { + case O_WRONLY: + ret |= SMB_O_WRONLY; + break; + case O_RDWR: + ret |= SMB_O_RDWR; + break; + case O_RDONLY: + default: + ret |= SMB_O_RDONLY; + break; + } + + if (flags & O_CREAT) { + ret |= SMB_O_CREAT; + } + if (flags & O_EXCL) { + ret |= SMB_O_EXCL; + } + if (flags & O_TRUNC) { + ret |= SMB_O_TRUNC; + } + if (flags & O_SYNC) { + ret |= SMB_O_SYNC; + } + if (flags & O_APPEND) { + ret |= SMB_O_APPEND; + } + if (flags & O_DIRECT) { + ret |= SMB_O_DIRECT; + } + if (flags & O_DIRECTORY) { + ret |= SMB_O_DIRECTORY; + } + return ret; +} + +/**************************************************************************** + Open a file - POSIX semantics. Returns fnum. Doesn't request oplock. +****************************************************************************/ + +int cli_posix_open(struct cli_state *cli, const char *fname, int flags, mode_t mode) +{ + unsigned int data_len = 0; + unsigned int param_len = 0; + uint16 setup = TRANSACT2_SETPATHINFO; + char param[sizeof(pstring)+6]; + char data[14]; + char *rparam=NULL, *rdata=NULL; + char *p; + int fnum = -1; + + memset(param, 0, sizeof(param)); + SSVAL(param,0, SMB_POSIX_PATH_OPEN); + p = ¶m[6]; + + p += clistr_push(cli, p, fname, sizeof(param)-6, STR_TERMINATE); + param_len = PTR_DIFF(p, param); + + /* Convert flags to wire_open_mode. */ + + p = data; + SIVAL(p,0,0); /* No oplock. */ + SIVAL(p,4,open_flags_to_wire(flags)); + SIVAL(p,8,unix_perms_to_wire(mode)); + SSVAL(p,12,SMB_NO_INFO_LEVEL_RETURNED); /* No info level returned. */ + + data_len = 14; + + 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 -1; + } + + if (!cli_receive_trans(cli, SMBtrans2, + &rparam, ¶m_len, + &rdata, &data_len)) { + return -1; + } + + fnum = SVAL(rdata,2); + + SAFE_FREE(rdata); + SAFE_FREE(rparam); + + return fnum; +} + +/**************************************************************************** + mkdir - POSIX semantics. +****************************************************************************/ + +int cli_posix_mkdir(struct cli_state *cli, const char *fname, mode_t mode) +{ + return (cli_posix_open(cli, fname, O_CREAT|O_DIRECTORY, mode) == -1) ? -1 : 0; +} + +/**************************************************************************** + unlink or rmdir - POSIX semantics. +****************************************************************************/ + +static BOOL cli_posix_unlink_internal(struct cli_state *cli, const char *fname, BOOL is_dir) +{ + unsigned int data_len = 0; + unsigned int param_len = 0; + uint16 setup = TRANSACT2_SETPATHINFO; + char param[sizeof(pstring)+6]; + char data[2]; + char *rparam=NULL, *rdata=NULL; + char *p; + + memset(param, 0, sizeof(param)); + SSVAL(param,0, SMB_POSIX_PATH_UNLINK); + p = ¶m[6]; + + p += clistr_push(cli, p, fname, sizeof(param)-6, STR_TERMINATE); + param_len = PTR_DIFF(p, param); + + SSVAL(data, 0, is_dir ? SMB_POSIX_UNLINK_DIRECTORY_TARGET : + SMB_POSIX_UNLINK_FILE_TARGET); + data_len = 2; + + 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, ¶m_len, + &rdata, &data_len)) { + return False; + } + + SAFE_FREE(rdata); + SAFE_FREE(rparam); + + return True; +} + +/**************************************************************************** + unlink - POSIX semantics. +****************************************************************************/ + +BOOL cli_posix_unlink(struct cli_state *cli, const char *fname) +{ + return cli_posix_unlink_internal(cli, fname, False); +} + +/**************************************************************************** + rmdir - POSIX semantics. +****************************************************************************/ + +int cli_posix_rmdir(struct cli_state *cli, const char *fname) +{ + return cli_posix_unlink_internal(cli, fname, True); +} |