diff options
Diffstat (limited to 'fs/cifs/connect.c')
| -rw-r--r-- | fs/cifs/connect.c | 50 |
1 files changed, 13 insertions, 37 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 3781eee9360a..c3b94c1e4591 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1,6 +1,5 @@ // SPDX-License-Identifier: LGPL-2.1 /* - * fs/cifs/connect.c * * Copyright (C) International Business Machines Corp., 2002,2011 * Author(s): Steve French (sfrench@us.ibm.com) @@ -1090,7 +1089,7 @@ next_pdu: module_put_and_exit(0); } -/** +/* * Returns true if srcaddr isn't specified and rhs isn't specified, or * if srcaddr is specified and matches the IP address of the rhs argument */ @@ -1550,6 +1549,9 @@ static int match_session(struct cifs_ses *ses, struct smb3_fs_context *ctx) /** * cifs_setup_ipc - helper to setup the IPC tcon for the session + * @ses: smb session to issue the request on + * @ctx: the superblock configuration context to use for building the + * new tree connection for the IPC (interprocess communication RPC) * * A new IPC connection is made and stored in the session * tcon_ipc. The IPC tcon has the same lifetime as the session. @@ -1605,6 +1607,7 @@ out: /** * cifs_free_ipc - helper to release the session IPC tcon + * @ses: smb session to unmount the IPC from * * Needs to be called everytime a session is destroyed. * @@ -1855,6 +1858,8 @@ cifs_set_cifscreds(struct smb3_fs_context *ctx __attribute__((unused)), /** * cifs_get_smb_ses - get a session matching @ctx data from @server + * @server: server to setup the session to + * @ctx: superblock configuration context to use to setup the session * * This function assumes it is being called from cifs_mount() where we * already got a server reference (server refcount +1). See @@ -2065,6 +2070,8 @@ cifs_put_tcon(struct cifs_tcon *tcon) /** * cifs_get_tcon - get a tcon matching @ctx data from @ses + * @ses: smb session to issue the request on + * @ctx: the superblock configuration context to use for building the * * - tcon refcount is the number of mount points using the tcon. * - ses refcount is the number of tcon using the session. @@ -2382,9 +2389,10 @@ cifs_match_super(struct super_block *sb, void *data) spin_lock(&cifs_tcp_ses_lock); cifs_sb = CIFS_SB(sb); tlink = cifs_get_tlink(cifs_sb_master_tlink(cifs_sb)); - if (IS_ERR(tlink)) { + if (tlink == NULL) { + /* can not match superblock if tlink were ever null */ spin_unlock(&cifs_tcp_ses_lock); - return rc; + return 0; } tcon = tlink_tcon(tlink); ses = tcon->ses; @@ -3030,7 +3038,7 @@ build_unc_path_to_root(const struct smb3_fs_context *ctx, return full_path; } -/** +/* * expand_dfs_referral - Perform a dfs referral query and update the cifs_sb * * If a referral is found, cifs_sb->ctx->mount_options will be (re-)allocated @@ -3684,38 +3692,6 @@ CIFSTCon(const unsigned int xid, struct cifs_ses *ses, *bcc_ptr = 0; /* password is null byte */ bcc_ptr++; /* skip password */ /* already aligned so no need to do it below */ - } else { - pSMB->PasswordLength = cpu_to_le16(CIFS_AUTH_RESP_SIZE); - /* BB FIXME add code to fail this if NTLMv2 or Kerberos - specified as required (when that support is added to - the vfs in the future) as only NTLM or the much - weaker LANMAN (which we do not send by default) is accepted - by Samba (not sure whether other servers allow - NTLMv2 password here) */ -#ifdef CONFIG_CIFS_WEAK_PW_HASH - if ((global_secflags & CIFSSEC_MAY_LANMAN) && - (ses->sectype == LANMAN)) - calc_lanman_hash(tcon->password, ses->server->cryptkey, - ses->server->sec_mode & - SECMODE_PW_ENCRYPT ? true : false, - bcc_ptr); - else -#endif /* CIFS_WEAK_PW_HASH */ - rc = SMBNTencrypt(tcon->password, ses->server->cryptkey, - bcc_ptr, nls_codepage); - if (rc) { - cifs_dbg(FYI, "%s Can't generate NTLM rsp. Error: %d\n", - __func__, rc); - cifs_buf_release(smb_buffer); - return rc; - } - - bcc_ptr += CIFS_AUTH_RESP_SIZE; - if (ses->capabilities & CAP_UNICODE) { - /* must align unicode strings */ - *bcc_ptr = 0; /* null byte password */ - bcc_ptr++; - } } if (ses->server->sign) |