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-rw-r--r--fs/cifs/connect.c51
1 files changed, 36 insertions, 15 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 7e73176acb58..9eb327defa1d 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -175,6 +175,9 @@ cifs_reconnect(struct TCP_Server_Info *server)
}
server->sequence_number = 0;
server->session_estab = false;
+ kfree(server->session_key.response);
+ server->session_key.response = NULL;
+ server->session_key.len = 0;
spin_lock(&GlobalMid_Lock);
list_for_each(tmp, &server->pending_mid_q) {
@@ -1064,7 +1067,7 @@ cifs_parse_mount_options(char *options, const char *devname,
}
i = cifs_convert_address((struct sockaddr *)&vol->srcaddr,
value, strlen(value));
- if (i < 0) {
+ if (i == 0) {
printk(KERN_WARNING "CIFS: Could not parse"
" srcaddr: %s\n",
value);
@@ -1560,8 +1563,13 @@ cifs_put_tcp_session(struct TCP_Server_Info *server)
server->tcpStatus = CifsExiting;
spin_unlock(&GlobalMid_Lock);
+ cifs_crypto_shash_release(server);
cifs_fscache_release_client_cookie(server);
+ kfree(server->session_key.response);
+ server->session_key.response = NULL;
+ server->session_key.len = 0;
+
task = xchg(&server->tsk, NULL);
if (task)
force_sig(SIGKILL, task);
@@ -1614,10 +1622,16 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
goto out_err;
}
+ rc = cifs_crypto_shash_allocate(tcp_ses);
+ if (rc) {
+ cERROR(1, "could not setup hash structures rc %d", rc);
+ goto out_err;
+ }
+
tcp_ses->hostname = extract_hostname(volume_info->UNC);
if (IS_ERR(tcp_ses->hostname)) {
rc = PTR_ERR(tcp_ses->hostname);
- goto out_err;
+ goto out_err_crypto_release;
}
tcp_ses->noblocksnd = volume_info->noblocksnd;
@@ -1661,7 +1675,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
}
if (rc < 0) {
cERROR(1, "Error connecting to socket. Aborting operation");
- goto out_err;
+ goto out_err_crypto_release;
}
/*
@@ -1675,7 +1689,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
rc = PTR_ERR(tcp_ses->tsk);
cERROR(1, "error %d create cifsd thread", rc);
module_put(THIS_MODULE);
- goto out_err;
+ goto out_err_crypto_release;
}
/* thread spawned, put it on the list */
@@ -1687,6 +1701,9 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
return tcp_ses;
+out_err_crypto_release:
+ cifs_crypto_shash_release(tcp_ses);
+
out_err:
if (tcp_ses) {
if (!IS_ERR(tcp_ses->hostname))
@@ -1801,8 +1818,6 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
if (ses == NULL)
goto get_ses_fail;
- ses->tilen = 0;
- ses->tiblob = NULL;
/* new SMB session uses our server ref */
ses->server = server;
if (server->addr.sockAddr6.sin6_family == AF_INET6)
@@ -1823,10 +1838,9 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
goto get_ses_fail;
}
if (volume_info->domainname) {
- int len = strlen(volume_info->domainname);
- ses->domainName = kmalloc(len + 1, GFP_KERNEL);
- if (ses->domainName)
- strcpy(ses->domainName, volume_info->domainname);
+ ses->domainName = kstrdup(volume_info->domainname, GFP_KERNEL);
+ if (!ses->domainName)
+ goto get_ses_fail;
}
ses->cred_uid = volume_info->cred_uid;
ses->linux_uid = volume_info->linux_uid;
@@ -2985,13 +2999,13 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
#ifdef CONFIG_CIFS_WEAK_PW_HASH
if ((global_secflags & CIFSSEC_MAY_LANMAN) &&
(ses->server->secType == LANMAN))
- calc_lanman_hash(tcon->password, ses->cryptKey,
+ calc_lanman_hash(tcon->password, ses->server->cryptkey,
ses->server->secMode &
SECMODE_PW_ENCRYPT ? true : false,
bcc_ptr);
else
#endif /* CIFS_WEAK_PW_HASH */
- SMBNTencrypt(tcon->password, ses->cryptKey, bcc_ptr);
+ SMBNTencrypt(tcon->password, ses->server->cryptkey, bcc_ptr);
bcc_ptr += CIFS_SESS_KEY_SIZE;
if (ses->capabilities & CAP_UNICODE) {
@@ -3178,10 +3192,11 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
} else {
mutex_lock(&ses->server->srv_mutex);
if (!server->session_estab) {
- memcpy(&server->session_key.data,
- &ses->auth_key.data, ses->auth_key.len);
+ server->session_key.response = ses->auth_key.response;
server->session_key.len = ses->auth_key.len;
- ses->server->session_estab = true;
+ server->sequence_number = 0x2;
+ server->session_estab = true;
+ ses->auth_key.response = NULL;
}
mutex_unlock(&server->srv_mutex);
@@ -3192,6 +3207,12 @@ int cifs_setup_session(unsigned int xid, struct cifsSesInfo *ses,
spin_unlock(&GlobalMid_Lock);
}
+ kfree(ses->auth_key.response);
+ ses->auth_key.response = NULL;
+ ses->auth_key.len = 0;
+ kfree(ses->ntlmssp);
+ ses->ntlmssp = NULL;
+
return rc;
}