summaryrefslogtreecommitdiffstats
path: root/fs/cifs/connect.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c1338
1 files changed, 814 insertions, 524 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 855d8c08e3a4..3d72218bd962 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -40,6 +40,8 @@
#include <linux/module.h>
#include <keys/user-type.h>
#include <net/ipv6.h>
+#include <linux/parser.h>
+
#include "cifspdu.h"
#include "cifsglob.h"
#include "cifsproto.h"
@@ -63,6 +65,191 @@ extern mempool_t *cifs_req_poolp;
#define TLINK_ERROR_EXPIRE (1 * HZ)
#define TLINK_IDLE_EXPIRE (600 * HZ)
+enum {
+
+ /* Mount options that take no arguments */
+ Opt_user_xattr, Opt_nouser_xattr,
+ Opt_forceuid, Opt_noforceuid,
+ Opt_noblocksend, Opt_noautotune,
+ Opt_hard, Opt_soft, Opt_perm, Opt_noperm,
+ Opt_mapchars, Opt_nomapchars, Opt_sfu,
+ Opt_nosfu, Opt_nodfs, Opt_posixpaths,
+ Opt_noposixpaths, Opt_nounix,
+ Opt_nocase,
+ Opt_brl, Opt_nobrl,
+ Opt_forcemandatorylock, Opt_setuids,
+ Opt_nosetuids, Opt_dynperm, Opt_nodynperm,
+ Opt_nohard, Opt_nosoft,
+ Opt_nointr, Opt_intr,
+ Opt_nostrictsync, Opt_strictsync,
+ Opt_serverino, Opt_noserverino,
+ Opt_rwpidforward, Opt_cifsacl, Opt_nocifsacl,
+ Opt_acl, Opt_noacl, Opt_locallease,
+ Opt_sign, Opt_seal, Opt_direct,
+ Opt_strictcache, Opt_noac,
+ Opt_fsc, Opt_mfsymlinks,
+ Opt_multiuser,
+
+ /* Mount options which take numeric value */
+ Opt_backupuid, Opt_backupgid, Opt_uid,
+ Opt_cruid, Opt_gid, Opt_file_mode,
+ Opt_dirmode, Opt_port,
+ Opt_rsize, Opt_wsize, Opt_actimeo,
+
+ /* Mount options which take string value */
+ Opt_user, Opt_pass, Opt_ip,
+ Opt_unc, Opt_domain,
+ Opt_srcaddr, Opt_prefixpath,
+ Opt_iocharset, Opt_sockopt,
+ Opt_netbiosname, Opt_servern,
+ Opt_ver, Opt_sec,
+
+ /* Mount options to be ignored */
+ Opt_ignore,
+
+ /* Options which could be blank */
+ Opt_blank_pass,
+
+ Opt_err
+};
+
+static const match_table_t cifs_mount_option_tokens = {
+
+ { Opt_user_xattr, "user_xattr" },
+ { Opt_nouser_xattr, "nouser_xattr" },
+ { Opt_forceuid, "forceuid" },
+ { Opt_noforceuid, "noforceuid" },
+ { Opt_noblocksend, "noblocksend" },
+ { Opt_noautotune, "noautotune" },
+ { Opt_hard, "hard" },
+ { Opt_soft, "soft" },
+ { Opt_perm, "perm" },
+ { Opt_noperm, "noperm" },
+ { Opt_mapchars, "mapchars" },
+ { Opt_nomapchars, "nomapchars" },
+ { Opt_sfu, "sfu" },
+ { Opt_nosfu, "nosfu" },
+ { Opt_nodfs, "nodfs" },
+ { Opt_posixpaths, "posixpaths" },
+ { Opt_noposixpaths, "noposixpaths" },
+ { Opt_nounix, "nounix" },
+ { Opt_nounix, "nolinux" },
+ { Opt_nocase, "nocase" },
+ { Opt_nocase, "ignorecase" },
+ { Opt_brl, "brl" },
+ { Opt_nobrl, "nobrl" },
+ { Opt_nobrl, "nolock" },
+ { Opt_forcemandatorylock, "forcemandatorylock" },
+ { Opt_setuids, "setuids" },
+ { Opt_nosetuids, "nosetuids" },
+ { Opt_dynperm, "dynperm" },
+ { Opt_nodynperm, "nodynperm" },
+ { Opt_nohard, "nohard" },
+ { Opt_nosoft, "nosoft" },
+ { Opt_nointr, "nointr" },
+ { Opt_intr, "intr" },
+ { Opt_nostrictsync, "nostrictsync" },
+ { Opt_strictsync, "strictsync" },
+ { Opt_serverino, "serverino" },
+ { Opt_noserverino, "noserverino" },
+ { Opt_rwpidforward, "rwpidforward" },
+ { Opt_cifsacl, "cifsacl" },
+ { Opt_nocifsacl, "nocifsacl" },
+ { Opt_acl, "acl" },
+ { Opt_noacl, "noacl" },
+ { Opt_locallease, "locallease" },
+ { Opt_sign, "sign" },
+ { Opt_seal, "seal" },
+ { Opt_direct, "direct" },
+ { Opt_direct, "forceddirectio" },
+ { Opt_strictcache, "strictcache" },
+ { Opt_noac, "noac" },
+ { Opt_fsc, "fsc" },
+ { Opt_mfsymlinks, "mfsymlinks" },
+ { Opt_multiuser, "multiuser" },
+
+ { Opt_backupuid, "backupuid=%s" },
+ { Opt_backupgid, "backupgid=%s" },
+ { Opt_uid, "uid=%s" },
+ { Opt_cruid, "cruid=%s" },
+ { Opt_gid, "gid=%s" },
+ { Opt_file_mode, "file_mode=%s" },
+ { Opt_dirmode, "dirmode=%s" },
+ { Opt_dirmode, "dir_mode=%s" },
+ { Opt_port, "port=%s" },
+ { Opt_rsize, "rsize=%s" },
+ { Opt_wsize, "wsize=%s" },
+ { Opt_actimeo, "actimeo=%s" },
+
+ { Opt_user, "user=%s" },
+ { Opt_user, "username=%s" },
+ { Opt_blank_pass, "pass=" },
+ { Opt_pass, "pass=%s" },
+ { Opt_pass, "password=%s" },
+ { Opt_ip, "ip=%s" },
+ { Opt_ip, "addr=%s" },
+ { Opt_unc, "unc=%s" },
+ { Opt_unc, "target=%s" },
+ { Opt_unc, "path=%s" },
+ { Opt_domain, "dom=%s" },
+ { Opt_domain, "domain=%s" },
+ { Opt_domain, "workgroup=%s" },
+ { Opt_srcaddr, "srcaddr=%s" },
+ { Opt_prefixpath, "prefixpath=%s" },
+ { Opt_iocharset, "iocharset=%s" },
+ { Opt_sockopt, "sockopt=%s" },
+ { Opt_netbiosname, "netbiosname=%s" },
+ { Opt_servern, "servern=%s" },
+ { Opt_ver, "ver=%s" },
+ { Opt_ver, "vers=%s" },
+ { Opt_ver, "version=%s" },
+ { Opt_sec, "sec=%s" },
+
+ { Opt_ignore, "cred" },
+ { Opt_ignore, "credentials" },
+ { Opt_ignore, "guest" },
+ { Opt_ignore, "rw" },
+ { Opt_ignore, "ro" },
+ { Opt_ignore, "suid" },
+ { Opt_ignore, "nosuid" },
+ { Opt_ignore, "exec" },
+ { Opt_ignore, "noexec" },
+ { Opt_ignore, "nodev" },
+ { Opt_ignore, "noauto" },
+ { Opt_ignore, "dev" },
+ { Opt_ignore, "mand" },
+ { Opt_ignore, "nomand" },
+ { Opt_ignore, "_netdev" },
+
+ { Opt_err, NULL }
+};
+
+enum {
+ Opt_sec_krb5, Opt_sec_krb5i, Opt_sec_krb5p,
+ Opt_sec_ntlmsspi, Opt_sec_ntlmssp,
+ Opt_ntlm, Opt_sec_ntlmi, Opt_sec_ntlmv2i,
+ Opt_sec_nontlm, Opt_sec_lanman,
+ Opt_sec_none,
+
+ Opt_sec_err
+};
+
+static const match_table_t cifs_secflavor_tokens = {
+ { Opt_sec_krb5, "krb5" },
+ { Opt_sec_krb5i, "krb5i" },
+ { Opt_sec_krb5p, "krb5p" },
+ { Opt_sec_ntlmsspi, "ntlmsspi" },
+ { Opt_sec_ntlmssp, "ntlmssp" },
+ { Opt_ntlm, "ntlm" },
+ { Opt_sec_ntlmi, "ntlmi" },
+ { Opt_sec_ntlmv2i, "ntlmv2i" },
+ { Opt_sec_nontlm, "nontlm" },
+ { Opt_sec_lanman, "lanman" },
+ { Opt_sec_none, "none" },
+
+ { Opt_sec_err, NULL }
+};
+
static int ip_connect(struct TCP_Server_Info *server);
static int generic_ip_connect(struct TCP_Server_Info *server);
static void tlink_rb_insert(struct rb_root *root, struct tcon_link *new_tlink);
@@ -920,13 +1107,79 @@ extract_hostname(const char *unc)
return dst;
}
+static int get_option_ul(substring_t args[], unsigned long *option)
+{
+ int rc;
+ char *string;
+
+ string = match_strdup(args);
+ if (string == NULL)
+ return -ENOMEM;
+ rc = kstrtoul(string, 10, option);
+ kfree(string);
+
+ return rc;
+}
+
+
+static int cifs_parse_security_flavors(char *value,
+ struct smb_vol *vol)
+{
+
+ substring_t args[MAX_OPT_ARGS];
+
+ switch (match_token(value, cifs_secflavor_tokens, args)) {
+ case Opt_sec_krb5:
+ vol->secFlg |= CIFSSEC_MAY_KRB5;
+ break;
+ case Opt_sec_krb5i:
+ vol->secFlg |= CIFSSEC_MAY_KRB5 | CIFSSEC_MUST_SIGN;
+ break;
+ case Opt_sec_krb5p:
+ /* vol->secFlg |= CIFSSEC_MUST_SEAL | CIFSSEC_MAY_KRB5; */
+ cERROR(1, "Krb5 cifs privacy not supported");
+ break;
+ case Opt_sec_ntlmssp:
+ vol->secFlg |= CIFSSEC_MAY_NTLMSSP;
+ break;
+ case Opt_sec_ntlmsspi:
+ vol->secFlg |= CIFSSEC_MAY_NTLMSSP | CIFSSEC_MUST_SIGN;
+ break;
+ case Opt_ntlm:
+ /* ntlm is default so can be turned off too */
+ vol->secFlg |= CIFSSEC_MAY_NTLM;
+ break;
+ case Opt_sec_ntlmi:
+ vol->secFlg |= CIFSSEC_MAY_NTLM | CIFSSEC_MUST_SIGN;
+ break;
+ case Opt_sec_nontlm:
+ vol->secFlg |= CIFSSEC_MAY_NTLMV2;
+ break;
+ case Opt_sec_ntlmv2i:
+ vol->secFlg |= CIFSSEC_MAY_NTLMV2 | CIFSSEC_MUST_SIGN;
+ break;
+#ifdef CONFIG_CIFS_WEAK_PW_HASH
+ case Opt_sec_lanman:
+ vol->secFlg |= CIFSSEC_MAY_LANMAN;
+ break;
+#endif
+ case Opt_sec_none:
+ vol->nullauth = 1;
+ break;
+ default:
+ cERROR(1, "bad security option: %s", value);
+ return 1;
+ }
+
+ return 0;
+}
+
static int
cifs_parse_mount_options(const char *mountdata, const char *devname,
struct smb_vol *vol)
{
- char *value, *data, *end;
+ char *data, *end;
char *mountdata_copy = NULL, *options;
- int err;
unsigned int temp_len, i, j;
char separator[2];
short int override_uid = -1;
@@ -934,9 +1187,13 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
bool uid_specified = false;
bool gid_specified = false;
char *nodename = utsname()->nodename;
+ char *string = NULL;
+ char *tmp_end, *value;
+ char delim;
separator[0] = ',';
separator[1] = 0;
+ delim = separator[0];
/*
* does not have to be perfect mapping since field is
@@ -975,6 +1232,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
options = mountdata_copy;
end = options + strlen(options);
+
if (strncmp(options, "sep=", 4) == 0) {
if (options[4] != 0) {
separator[0] = options[4];
@@ -987,609 +1245,638 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
vol->backupgid_specified = false; /* no backup intent for a group */
while ((data = strsep(&options, separator)) != NULL) {
+ substring_t args[MAX_OPT_ARGS];
+ unsigned long option;
+ int token;
+
if (!*data)
continue;
- if ((value = strchr(data, '=')) != NULL)
- *value++ = '\0';
- /* Have to parse this before we parse for "user" */
- if (strnicmp(data, "user_xattr", 10) == 0) {
+ token = match_token(data, cifs_mount_option_tokens, args);
+
+ switch (token) {
+
+ /* Ingnore the following */
+ case Opt_ignore:
+ break;
+
+ /* Boolean values */
+ case Opt_user_xattr:
vol->no_xattr = 0;
- } else if (strnicmp(data, "nouser_xattr", 12) == 0) {
+ break;
+ case Opt_nouser_xattr:
vol->no_xattr = 1;
- } else if (strnicmp(data, "user", 4) == 0) {
- if (!value) {
- printk(KERN_WARNING
- "CIFS: invalid or missing username\n");
- goto cifs_parse_mount_err;
- } else if (!*value) {
- /* null user, ie anonymous, authentication */
- vol->nullauth = 1;
- }
- if (strnlen(value, MAX_USERNAME_SIZE) <
- MAX_USERNAME_SIZE) {
- vol->username = kstrdup(value, GFP_KERNEL);
- if (!vol->username) {
- printk(KERN_WARNING "CIFS: no memory "
- "for username\n");
- goto cifs_parse_mount_err;
- }
- } else {
- printk(KERN_WARNING "CIFS: username too long\n");
- goto cifs_parse_mount_err;
- }
- } else if (strnicmp(data, "pass", 4) == 0) {
- if (!value) {
- vol->password = NULL;
- continue;
- } else if (value[0] == 0) {
- /* check if string begins with double comma
- since that would mean the password really
- does start with a comma, and would not
- indicate an empty string */
- if (value[1] != separator[0]) {
- vol->password = NULL;
- continue;
- }
- }
- temp_len = strlen(value);
- /* removed password length check, NTLM passwords
- can be arbitrarily long */
-
- /* if comma in password, the string will be
- prematurely null terminated. Commas in password are
- specified across the cifs mount interface by a double
- comma ie ,, and a comma used as in other cases ie ','
- as a parameter delimiter/separator is single and due
- to the strsep above is temporarily zeroed. */
-
- /* NB: password legally can have multiple commas and
- the only illegal character in a password is null */
-
- if ((value[temp_len] == 0) &&
- (value + temp_len < end) &&
- (value[temp_len+1] == separator[0])) {
- /* reinsert comma */
- value[temp_len] = separator[0];
- temp_len += 2; /* move after second comma */
- while (value[temp_len] != 0) {
- if (value[temp_len] == separator[0]) {
- if (value[temp_len+1] ==
- separator[0]) {
- /* skip second comma */
- temp_len++;
- } else {
- /* single comma indicating start
- of next parm */
- break;
- }
- }
- temp_len++;
- }
- if (value[temp_len] == 0) {
- options = NULL;
- } else {
- value[temp_len] = 0;
- /* point option to start of next parm */
- options = value + temp_len + 1;
- }
- /* go from value to value + temp_len condensing
- double commas to singles. Note that this ends up
- allocating a few bytes too many, which is ok */
- vol->password = kzalloc(temp_len, GFP_KERNEL);
- if (vol->password == NULL) {
- printk(KERN_WARNING "CIFS: no memory "
- "for password\n");
- goto cifs_parse_mount_err;
- }
- for (i = 0, j = 0; i < temp_len; i++, j++) {
- vol->password[j] = value[i];
- if (value[i] == separator[0]
- && value[i+1] == separator[0]) {
- /* skip second comma */
- i++;
- }
- }
- vol->password[j] = 0;
- } else {
- vol->password = kzalloc(temp_len+1, GFP_KERNEL);
- if (vol->password == NULL) {
- printk(KERN_WARNING "CIFS: no memory "
- "for password\n");
- goto cifs_parse_mount_err;
- }
- strcpy(vol->password, value);
- }
- } else if (!strnicmp(data, "ip", 2) ||
- !strnicmp(data, "addr", 4)) {
- if (!value || !*value) {
- vol->UNCip = NULL;
- } else if (strnlen(value, INET6_ADDRSTRLEN) <
- INET6_ADDRSTRLEN) {
- vol->UNCip = kstrdup(value, GFP_KERNEL);
- if (!vol->UNCip) {
- printk(KERN_WARNING "CIFS: no memory "
- "for UNC IP\n");
- goto cifs_parse_mount_err;
- }
- } else {
- printk(KERN_WARNING "CIFS: ip address "
- "too long\n");
- goto cifs_parse_mount_err;
- }
- } else if (strnicmp(data, "sec", 3) == 0) {
- if (!value || !*value) {
- cERROR(1, "no security value specified");
- continue;
- } else if (strnicmp(value, "krb5i", 5) == 0) {
- vol->secFlg |= CIFSSEC_MAY_KRB5 |
- CIFSSEC_MUST_SIGN;
- } else if (strnicmp(value, "krb5p", 5) == 0) {
- /* vol->secFlg |= CIFSSEC_MUST_SEAL |
- CIFSSEC_MAY_KRB5; */
- cERROR(1, "Krb5 cifs privacy not supported");
- goto cifs_parse_mount_err;
- } else if (strnicmp(value, "krb5", 4) == 0) {
- vol->secFlg |= CIFSSEC_MAY_KRB5;
- } else if (strnicmp(value, "ntlmsspi", 8) == 0) {
- vol->secFlg |= CIFSSEC_MAY_NTLMSSP |
- CIFSSEC_MUST_SIGN;
- } else if (strnicmp(value, "ntlmssp", 7) == 0) {
- vol->secFlg |= CIFSSEC_MAY_NTLMSSP;
- } else if (strnicmp(value, "ntlmv2i", 7) == 0) {
- vol->secFlg |= CIFSSEC_MAY_NTLMV2 |
- CIFSSEC_MUST_SIGN;
- } else if (strnicmp(value, "ntlmv2", 6) == 0) {
- vol->secFlg |= CIFSSEC_MAY_NTLMV2;
- } else if (strnicmp(value, "ntlmi", 5) == 0) {
- vol->secFlg |= CIFSSEC_MAY_NTLM |
- CIFSSEC_MUST_SIGN;
- } else if (strnicmp(value, "ntlm", 4) == 0) {
- /* ntlm is default so can be turned off too */
- vol->secFlg |= CIFSSEC_MAY_NTLM;
- } else if (strnicmp(value, "nontlm", 6) == 0) {
- /* BB is there a better way to do this? */
- vol->secFlg |= CIFSSEC_MAY_NTLMV2;
-#ifdef CONFIG_CIFS_WEAK_PW_HASH
- } else if (strnicmp(value, "lanman", 6) == 0) {
- vol->secFlg |= CIFSSEC_MAY_LANMAN;
-#endif
- } else if (strnicmp(value, "none", 4) == 0) {
- vol->nullauth = 1;
- } else {
- cERROR(1, "bad security option: %s", value);
- goto cifs_parse_mount_err;
- }
- } else if (strnicmp(data, "vers", 3) == 0) {
- if (!value || !*value) {
- cERROR(1, "no protocol version specified"
- " after vers= mount option");
- } else if ((strnicmp(value, "cifs", 4) == 0) ||
- (strnicmp(value, "1", 1) == 0)) {
- /* this is the default */
- continue;
- }
- } else if ((strnicmp(data, "unc", 3) == 0)
- || (strnicmp(data, "target", 6) == 0)
- || (strnicmp(data, "path", 4) == 0)) {
- if (!value || !*value) {
- printk(KERN_WARNING "CIFS: invalid path to "
- "network resource\n");
- goto cifs_parse_mount_err;
- }
- if ((temp_len = strnlen(value, 300)) < 300) {
- vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
- if (vol->UNC == NULL)
- goto cifs_parse_mount_err;
- strcpy(vol->UNC, value);
- if (strncmp(vol->UNC, "//", 2) == 0) {
- vol->UNC[0] = '\\';
- vol->UNC[1] = '\\';
- } else if (strncmp(vol->UNC, "\\\\", 2) != 0) {
- printk(KERN_WARNING
- "CIFS: UNC Path does not begin "
- "with // or \\\\ \n");
- goto cifs_parse_mount_err;
- }
- } else {
- printk(KERN_WARNING "CIFS: UNC name too long\n");
- goto cifs_parse_mount_err;
- }
- } else if ((strnicmp(data, "domain", 3) == 0)
- || (strnicmp(data, "workgroup", 5) == 0)) {
- if (!value || !*value) {
- printk(KERN_WARNING "CIFS: invalid domain name\n");
- goto cifs_parse_mount_err;
- }
- /* BB are there cases in which a comma can be valid in
- a domain name and need special handling? */
- if (strnlen(value, 256) < 256) {
- vol->domainname = kstrdup(value, GFP_KERNEL);
- if (!vol->domainname) {
- printk(KERN_WARNING "CIFS: no memory "
- "for domainname\n");
- goto cifs_parse_mount_err;
- }
- cFYI(1, "Domain name set");
- } else {
- printk(KERN_WARNING "CIFS: domain name too "
- "long\n");
- goto cifs_parse_mount_err;
- }
- } else if (strnicmp(data, "srcaddr", 7) == 0) {
- vol->srcaddr.ss_family = AF_UNSPEC;
-
- if (!value || !*value) {
- printk(KERN_WARNING "CIFS: srcaddr value"
- " not specified.\n");
- goto cifs_parse_mount_err;
- }
- i = cifs_convert_address((struct sockaddr *)&vol->srcaddr,
- value, strlen(value));
- if (i == 0) {
- printk(KERN_WARNING "CIFS: Could not parse"
- " srcaddr: %s\n",
- value);
- goto cifs_parse_mount_err;
- }
- } else if (strnicmp(data, "prefixpath", 10) == 0) {
- if (!value || !*value) {
- printk(KERN_WARNING
- "CIFS: invalid path prefix\n");
- goto cifs_parse_mount_err;
- }
- if ((temp_len = strnlen(value, 1024)) < 1024) {
- if (value[0] != '/')
- temp_len++; /* missing leading slash */
- vol->prepath = kmalloc(temp_len+1, GFP_KERNEL);
- if (vol->prepath == NULL)
- goto cifs_parse_mount_err;
- if (value[0] != '/') {
- vol->prepath[0] = '/';
- strcpy(vol->prepath+1, value);
- } else
- strcpy(vol->prepath, value);
- cFYI(1, "prefix path %s", vol->prepath);
- } else {
- printk(KERN_WARNING "CIFS: prefix too long\n");
- goto cifs_parse_mount_err;
- }
- } else if (strnicmp(data, "iocharset", 9) == 0) {
- if (!value || !*value) {
- printk(KERN_WARNING "CIFS: invalid iocharset "
- "specified\n");
- goto cifs_parse_mount_err;
- }
- if (strnlen(value, 65) < 65) {
- if (strnicmp(value, "default", 7)) {
- vol->iocharset = kstrdup(value,
- GFP_KERNEL);
-
- if (!vol->iocharset) {
- printk(KERN_WARNING "CIFS: no "
- "memory for"
- "charset\n");
- goto cifs_parse_mount_err;
- }
- }
- /* if iocharset not set then load_nls_default
- is used by caller */
- cFYI(1, "iocharset set to %s", value);
- } else {
- printk(KERN_WARNING "CIFS: iocharset name "
- "too long.\n");
- goto cifs_parse_mount_err;
- }
- } else if (!strnicmp(data, "uid", 3) && value && *value) {
- vol->linux_uid = simple_strtoul(value, &value, 0);
- uid_specified = true;
- } else if (!strnicmp(data, "cruid", 5) && value && *value) {
- vol->cred_uid = simple_strtoul(value, &value, 0);
- } else if (!strnicmp(data, "forceuid", 8)) {
+ break;
+ case Opt_forceuid:
override_uid = 1;
- } else if (!strnicmp(data, "noforceuid", 10)) {
+ break;
+ case Opt_noforceuid:
override_uid = 0;
- } else if (!strnicmp(data, "gid", 3) && value && *value) {
- vol->linux_gid = simple_strtoul(value, &value, 0);
- gid_specified = true;
- } else if (!strnicmp(data, "forcegid", 8)) {
- override_gid = 1;
- } else if (!strnicmp(data, "noforcegid", 10)) {
- override_gid = 0;
- } else if (strnicmp(data, "file_mode", 4) == 0) {
- if (value && *value) {
- vol->file_mode =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "dir_mode", 4) == 0) {
- if (value && *value) {
- vol->dir_mode =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "dirmode", 4) == 0) {
- if (value && *value) {
- vol->dir_mode =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "port", 4) == 0) {
- if (value && *value) {
- vol->port =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "rsize", 5) == 0) {
- if (value && *value) {
- vol->rsize =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "wsize", 5) == 0) {
- if (value && *value) {
- vol->wsize =
- simple_strtoul(value, &value, 0);
- }
- } else if (strnicmp(data, "sockopt", 5) == 0) {
- if (!value || !*value) {
- cERROR(1, "no socket option specified");
- continue;
- } else if (strnicmp(value, "TCP_NODELAY", 11) == 0) {
- vol->sockopt_tcp_nodelay = 1;
- }
- } else if (strnicmp(data, "netbiosname", 4) == 0) {
- if (!value || !*value || (*value == ' ')) {
- cFYI(1, "invalid (empty) netbiosname");
- } else {
- memset(vol->source_rfc1001_name, 0x20,
- RFC1001_NAME_LEN);
- /*
- * FIXME: are there cases in which a comma can
- * be valid in workstation netbios name (and
- * need special handling)?
- */
- for (i = 0; i < RFC1001_NAME_LEN; i++) {
- /* don't ucase netbiosname for user */
- if (value[i] == 0)
- break;
- vol->source_rfc1001_name[i] = value[i];
- }
- /* The string has 16th byte zero still from
- set at top of the function */
- if (i == RFC1001_NAME_LEN && value[i] != 0)
- printk(KERN_WARNING "CIFS: netbiosname"
- " longer than 15 truncated.\n");
- }
- } else if (strnicmp(data, "servern", 7) == 0) {
- /* servernetbiosname specified override *SMBSERVER */
- if (!value || !*value || (*value == ' ')) {
- cFYI(1, "empty server netbiosname specified");
- } else {
- /* last byte, type, is 0x20 for servr type */
- memset(vol->target_rfc1001_name, 0x20,
- RFC1001_NAME_LEN_WITH_NULL);
-
- for (i = 0; i < 15; i++) {
- /* BB are there cases in which a comma can be
- valid in this workstation netbios name
- (and need special handling)? */
-
- /* user or mount helper must uppercase
- the netbiosname */
- if (value[i] == 0)
- break;
- else
- vol->target_rfc1001_name[i] =
- value[i];
- }
- /* The string has 16th byte zero still from
- set at top of the function */
- if (i == RFC1001_NAME_LEN && value[i] != 0)
- printk(KERN_WARNING "CIFS: server net"
- "biosname longer than 15 truncated.\n");
- }
- } else if (strnicmp(data, "actimeo", 7) == 0) {
- if (value && *value) {
- vol->actimeo = HZ * simple_strtoul(value,
- &value, 0);
- if (vol->actimeo > CIFS_MAX_ACTIMEO) {
- cERROR(1, "CIFS: attribute cache"
- "timeout too large");
- goto cifs_parse_mount_err;
- }
- }
- } else if (strnicmp(data, "credentials", 4) == 0) {
- /* ignore */
- } else if (strnicmp(data, "version", 3) == 0) {
- /* ignore */
- } else if (strnicmp(data, "guest", 5) == 0) {
- /* ignore */
- } else if (strnicmp(data, "rw", 2) == 0 && strlen(data) == 2) {
- /* ignore */
- } else if (strnicmp(data, "ro", 2) == 0) {
- /* ignore */
- } else if (strnicmp(data, "noblocksend", 11) == 0) {
+ break;
+ case Opt_noblocksend:
vol->noblocksnd = 1;
- } else if (strnicmp(data, "noautotune", 10) == 0) {
+ break;
+ case Opt_noautotune:
vol->noautotune = 1;
- } else if ((strnicmp(data, "suid", 4) == 0) ||
- (strnicmp(data, "nosuid", 6) == 0) ||
- (strnicmp(data, "exec", 4) == 0) ||
- (strnicmp(data, "noexec", 6) == 0) ||
- (strnicmp(data, "nodev", 5) == 0) ||
- (strnicmp(data, "noauto", 6) == 0) ||
- (strnicmp(data, "dev", 3) == 0)) {
- /* The mount tool or mount.cifs helper (if present)
- uses these opts to set flags, and the flags are read
- by the kernel vfs layer before we get here (ie
- before read super) so there is no point trying to
- parse these options again and set anything and it
- is ok to just ignore them */
- continue;
- } else if (strnicmp(data, "hard", 4) == 0) {
+ break;
+ case Opt_hard:
vol->retry = 1;
- } else if (strnicmp(data, "soft", 4) == 0) {
+ break;
+ case Opt_soft:
vol->retry = 0;
- } else if (strnicmp(data, "perm", 4) == 0) {
+ break;
+ case Opt_perm:
vol->noperm = 0;
- } else if (strnicmp(data, "noperm", 6) == 0) {
+ break;
+ case Opt_noperm:
vol->noperm = 1;
- } else if (strnicmp(data, "mapchars", 8) == 0) {
+ break;
+ case Opt_mapchars:
vol->remap = 1;
- } else if (strnicmp(data, "nomapchars", 10) == 0) {
+ break;
+ case Opt_nomapchars:
vol->remap = 0;
- } else if (strnicmp(data, "sfu", 3) == 0) {
+ break;
+ case Opt_sfu:
vol->sfu_emul = 1;
- } else if (strnicmp(data, "nosfu", 5) == 0) {
+ break;
+ case Opt_nosfu:
vol->sfu_emul = 0;
- } else if (strnicmp(data, "nodfs", 5) == 0) {
+ break;
+ case Opt_nodfs:
vol->nodfs = 1;
- } else if (strnicmp(data, "posixpaths", 10) == 0) {
+ break;
+ case Opt_posixpaths:
vol->posix_paths = 1;
- } else if (strnicmp(data, "noposixpaths", 12) == 0) {
+ break;
+ case Opt_noposixpaths:
vol->posix_paths = 0;
- } else if (strnicmp(data, "nounix", 6) == 0) {
- vol->no_linux_ext = 1;
- } else if (strnicmp(data, "nolinux", 7) == 0) {
+ break;
+ case Opt_nounix:
vol->no_linux_ext = 1;
- } else if ((strnicmp(data, "nocase", 6) == 0) ||
- (strnicmp(data, "ignorecase", 10) == 0)) {
+ break;
+ case Opt_nocase:
vol->nocase = 1;
- } else if (strnicmp(data, "mand", 4) == 0) {
- /* ignore */
- } else if (strnicmp(data, "nomand", 6) == 0) {
- /* ignore */
- } else if (strnicmp(data, "_netdev", 7) == 0) {
- /* ignore */
- } else if (strnicmp(data, "brl", 3) == 0) {
+ break;
+ case Opt_brl:
vol->nobrl = 0;
- } else if ((strnicmp(data, "nobrl", 5) == 0) ||
- (strnicmp(data, "nolock", 6) == 0)) {
+ break;
+ case Opt_nobrl:
vol->nobrl = 1;
/* turn off mandatory locking in mode
- if remote locking is turned off since the
- local vfs will do advisory */
+ * if remote locking is turned off since the
+ * local vfs will do advisory */
if (vol->file_mode ==
(S_IALLUGO & ~(S_ISUID | S_IXGRP)))
vol->file_mode = S_IALLUGO;
- } else if (strnicmp(data, "forcemandatorylock", 9) == 0) {
- /* will take the shorter form "forcemand" as well */
- /* This mount option will force use of mandatory
- (DOS/Windows style) byte range locks, instead of
- using posix advisory byte range locks, even if the
- Unix extensions are available and posix locks would
- be supported otherwise. If Unix extensions are not
- negotiated this has no effect since mandatory locks
- would be used (mandatory locks is all that those
- those servers support) */
+ break;
+ case Opt_forcemandatorylock:
vol->mand_lock = 1;
- } else if (strnicmp(data, "setuids", 7) == 0) {
+ break;
+ case Opt_setuids:
vol->setuids = 1;
- } else if (strnicmp(data, "nosetuids", 9) == 0) {
+ break;
+ case Opt_nosetuids:
vol->setuids = 0;
- } else if (strnicmp(data, "dynperm", 7) == 0) {
+ break;
+ case Opt_dynperm:
vol->dynperm = true;
- } else if (strnicmp(data, "nodynperm", 9) == 0) {
+ break;
+ case Opt_nodynperm:
vol->dynperm = false;
- } else if (strnicmp(data, "nohard", 6) == 0) {
+ break;
+ case Opt_nohard:
vol->retry = 0;
- } else if (strnicmp(data, "nosoft", 6) == 0) {
+ break;
+ case Opt_nosoft:
vol->retry = 1;
- } else if (strnicmp(data, "nointr", 6) == 0) {
+ break;
+ case Opt_nointr:
vol->intr = 0;
- } else if (strnicmp(data, "intr", 4) == 0) {
+ break;
+ case Opt_intr:
vol->intr = 1;
- } else if (strnicmp(data, "nostrictsync", 12) == 0) {
+ break;
+ case Opt_nostrictsync:
vol->nostrictsync = 1;
- } else if (strnicmp(data, "strictsync", 10) == 0) {
+ break;
+ case Opt_strictsync:
vol->nostrictsync = 0;
- } else if (strnicmp(data, "serverino", 7) == 0) {
+ break;
+ case Opt_serverino:
vol->server_ino = 1;
- } else if (strnicmp(data, "noserverino", 9) == 0) {
+ break;
+ case Opt_noserverino:
vol->server_ino = 0;
- } else if (strnicmp(data, "rwpidforward", 12) == 0) {
+ break;
+ case Opt_rwpidforward:
vol->rwpidforward = 1;
- } else if (strnicmp(data, "cifsacl", 7) == 0) {
+ break;
+ case Opt_cifsacl:
vol->cifs_acl = 1;
- } else if (strnicmp(data, "nocifsacl", 9) == 0) {
+ break;
+ case Opt_nocifsacl:
vol->cifs_acl = 0;
- } else if (strnicmp(data, "acl", 3) == 0) {
+ break;
+ case Opt_acl:
vol->no_psx_acl = 0;
- } else if (strnicmp(data, "noacl", 5) == 0) {
+ break;
+ case Opt_noacl:
vol->no_psx_acl = 1;
- } else if (strnicmp(data, "locallease", 6) == 0) {
+ break;
+ case Opt_locallease:
vol->local_lease = 1;
- } else if (strnicmp(data, "sign", 4) == 0) {
+ break;
+ case Opt_sign:
vol->secFlg |= CIFSSEC_MUST_SIGN;
- } else if (strnicmp(data, "seal", 4) == 0) {
+ break;
+ case Opt_seal:
/* we do not do the following in secFlags because seal
- is a per tree connection (mount) not a per socket
- or per-smb connection option in the protocol */
- /* vol->secFlg |= CIFSSEC_MUST_SEAL; */
+ * is a per tree connection (mount) not a per socket
+ * or per-smb connection option in the protocol
+ * vol->secFlg |= CIFSSEC_MUST_SEAL;
+ */
vol->seal = 1;
- } else if (strnicmp(data, "direct", 6) == 0) {
- vol->direct_io = 1;
- } else if (strnicmp(data, "forcedirectio", 13) == 0) {
+ break;
+ case Opt_direct:
vol->direct_io = 1;
- } else if (strnicmp(data, "strictcache", 11) == 0) {
+ break;
+ case Opt_strictcache:
vol->strict_io = 1;
- } else if (strnicmp(data, "noac", 4) == 0) {
+ break;
+ case Opt_noac:
printk(KERN_WARNING "CIFS: Mount option noac not "
"supported. Instead set "
"/proc/fs/cifs/LookupCacheEnabled to 0\n");
- } else if (strnicmp(data, "fsc", 3) == 0) {
+ break;
+ case Opt_fsc:
#ifndef CONFIG_CIFS_FSCACHE
cERROR(1, "FS-Cache support needs CONFIG_CIFS_FSCACHE "
"kernel config option set");
goto cifs_parse_mount_err;
#endif
vol->fsc = true;
- } else if (strnicmp(data, "mfsymlinks", 10) == 0) {
+ break;
+ case Opt_mfsymlinks:
vol->mfsymlinks = true;
- } else if (strnicmp(data, "multiuser", 8) == 0) {
+ break;
+ case Opt_multiuser:
vol->multiuser = true;
- } else if (!strnicmp(data, "backupuid", 9) && value && *value) {
- err = kstrtouint(value, 0, &vol->backupuid);
- if (err < 0) {
+ break;
+
+ /* Numeric Values */
+ case Opt_backupuid:
+ if (get_option_ul(args, &option)) {
cERROR(1, "%s: Invalid backupuid value",
__func__);
goto cifs_parse_mount_err;
}
+ vol->backupuid = option;
vol->backupuid_specified = true;
- } else if (!strnicmp(data, "backupgid", 9) && value && *value) {
- err = kstrtouint(value, 0, &vol->backupgid);
- if (err < 0) {
+ break;
+ case Opt_backupgid:
+ if (get_option_ul(args, &option)) {
cERROR(1, "%s: Invalid backupgid value",
__func__);
goto cifs_parse_mount_err;
}
+ vol->backupgid = option;
vol->backupgid_specified = true;
- } else
- printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
- data);
- }
- if (vol->UNC == NULL) {
- if (devname == NULL) {
- printk(KERN_WARNING "CIFS: Missing UNC name for mount "
- "target\n");
- goto cifs_parse_mount_err;
- }
- if ((temp_len = strnlen(devname, 300)) < 300) {
- vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
- if (vol->UNC == NULL)
+ break;
+ case Opt_uid:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid uid value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->linux_uid = option;
+ uid_specified = true;
+ break;
+ case Opt_cruid:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid cruid value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->cred_uid = option;
+ break;
+ case Opt_gid:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid gid value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->linux_gid = option;
+ gid_specified = true;
+ break;
+ case Opt_file_mode:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid file_mode value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->file_mode = option;
+ break;
+ case Opt_dirmode:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid dir_mode value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->dir_mode = option;
+ break;
+ case Opt_port:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid port value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->port = option;
+ break;
+ case Opt_rsize:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid rsize value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->rsize = option;
+ break;
+ case Opt_wsize:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid wsize value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->wsize = option;
+ break;
+ case Opt_actimeo:
+ if (get_option_ul(args, &option)) {
+ cERROR(1, "%s: Invalid actimeo value",
+ __func__);
+ goto cifs_parse_mount_err;
+ }
+ vol->actimeo = HZ * option;
+ if (vol->actimeo > CIFS_MAX_ACTIMEO) {
+ cERROR(1, "CIFS: attribute cache"
+ "timeout too large");
+ goto cifs_parse_mount_err;
+ }
+ break;
+
+ /* String Arguments */
+
+ case Opt_user:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ /* null user, ie. anonymous authentication */
+ vol->nullauth = 1;
+ } else if (strnlen(string, MAX_USERNAME_SIZE) >
+ MAX_USERNAME_SIZE) {
+ printk(KERN_WARNING "CIFS: username too long\n");
+ goto cifs_parse_mount_err;
+ }
+ vol->username = kstrdup(string, GFP_KERNEL);
+ if (!vol->username) {
+ printk(KERN_WARNING "CIFS: no memory "
+ "for username\n");
+ goto cifs_parse_mount_err;
+ }
+ break;
+ case Opt_blank_pass:
+ vol->password = NULL;
+ break;
+ case Opt_pass:
+ /* passwords have to be handled differently
+ * to allow the character used for deliminator
+ * to be passed within them
+ */
+
+ /* Obtain the value string */
+ value = strchr(data, '=');
+ if (value != NULL)
+ *value++ = '\0';
+
+ /* Set tmp_end to end of the string */
+ tmp_end = (char *) value + strlen(value);
+
+ /* Check if following character is the deliminator
+ * If yes, we have encountered a double deliminator
+ * reset the NULL character to the deliminator
+ */
+ if (tmp_end < end && tmp_end[1] == delim)
+ tmp_end[0] = delim;
+
+ /* Keep iterating until we get to a single deliminator
+ * OR the end
+ */
+ while ((tmp_end = strchr(tmp_end, delim)) != NULL &&
+ (tmp_end[1] == delim)) {
+ tmp_end = (char *) &tmp_end[2];
+ }
+
+ /* Reset var options to point to next element */
+ if (tmp_end) {
+ tmp_end[0] = '\0';
+ options = (char *) &tmp_end[1];
+ } else
+ /* Reached the end of the mount option string */
+ options = end;
+
+ /* Now build new password string */
+ temp_len = strlen(value);
+ vol->password = kzalloc(temp_len+1, GFP_KERNEL);
+ if (vol->password == NULL) {
+ printk(KERN_WARNING "CIFS: no memory "
+ "for password\n");
+ goto cifs_parse_mount_err;
+ }
+
+ for (i = 0, j = 0; i < temp_len; i++, j++) {
+ vol->password[j] = value[i];
+ if ((value[i] == delim) &&
+ value[i+1] == delim)
+ /* skip the second deliminator */
+ i++;
+ }
+ vol->password[j] = '\0';
+ break;
+ case Opt_ip:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ vol->UNCip = NULL;
+ } else if (strnlen(string, INET6_ADDRSTRLEN) >
+ INET6_ADDRSTRLEN) {
+ printk(KERN_WARNING "CIFS: ip address "
+ "too long\n");
+ goto cifs_parse_mount_err;
+ }
+ vol->UNCip = kstrdup(string, GFP_KERNEL);
+ if (!vol->UNCip) {
+ printk(KERN_WARNING "CIFS: no memory "
+ "for UNC IP\n");
+ goto cifs_parse_mount_err;
+ }
+ break;
+ case Opt_unc:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: invalid path to "
+ "network resource\n");
+ goto cifs_parse_mount_err;
+ }
+
+ temp_len = strnlen(string, 300);
+ if (temp_len == 300) {
+ printk(KERN_WARNING "CIFS: UNC name too long\n");
goto cifs_parse_mount_err;
- strcpy(vol->UNC, devname);
- if (strncmp(vol->UNC, "//", 2) == 0) {
+ }
+
+ if (strncmp(string, "//", 2) == 0) {
vol->UNC[0] = '\\';
vol->UNC[1] = '\\';
- } else if (strncmp(vol->UNC, "\\\\", 2) != 0) {
+ } else if (strncmp(string, "\\\\", 2) != 0) {
printk(KERN_WARNING "CIFS: UNC Path does not "
- "begin with // or \\\\ \n");
+ "begin with // or \\\\\n");
goto cifs_parse_mount_err;
}
- value = strpbrk(vol->UNC+2, "/\\");
- if (value)
- *value = '\\';
- } else {
- printk(KERN_WARNING "CIFS: UNC name too long\n");
+
+ vol->UNC = kmalloc(temp_len+1, GFP_KERNEL);
+ if (vol->UNC == NULL) {
+ printk(KERN_WARNING "CIFS: no memory "
+ "for UNC\n");
+ goto cifs_parse_mount_err;
+ }
+ strcpy(vol->UNC, string);
+ break;
+ case Opt_domain:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: invalid domain"
+ " name\n");
+ goto cifs_parse_mount_err;
+ } else if (strnlen(string, 256) == 256) {
+ printk(KERN_WARNING "CIFS: domain name too"
+ " long\n");
+ goto cifs_parse_mount_err;
+ }
+
+ vol->domainname = kstrdup(string, GFP_KERNEL);
+ if (!vol->domainname) {
+ printk(KERN_WARNING "CIFS: no memory "
+ "for domainname\n");
+ goto cifs_parse_mount_err;
+ }
+ cFYI(1, "Domain name set");
+ break;
+ case Opt_srcaddr:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: srcaddr value not"
+ " specified\n");
+ goto cifs_parse_mount_err;
+ } else if (!cifs_convert_address(
+ (struct sockaddr *)&vol->srcaddr,
+ string, strlen(string))) {
+ printk(KERN_WARNING "CIFS: Could not parse"
+ " srcaddr: %s\n", string);
+ goto cifs_parse_mount_err;
+ }
+ break;
+ case Opt_prefixpath:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: Invalid path"
+ " prefix\n");
+ goto cifs_parse_mount_err;
+ }
+ temp_len = strnlen(string, 1024);
+ if (string[0] != '/')
+ temp_len++; /* missing leading slash */
+ if (temp_len > 1024) {
+ printk(KERN_WARNING "CIFS: prefix too long\n");
+ goto cifs_parse_mount_err;
+ }
+
+ vol->prepath = kmalloc(temp_len+1, GFP_KERNEL);
+ if (vol->prepath == NULL) {
+ printk(KERN_WARNING "CIFS: no memory "
+ "for path prefix\n");
+ goto cifs_parse_mount_err;
+ }
+
+ if (string[0] != '/') {
+ vol->prepath[0] = '/';
+ strcpy(vol->prepath+1, string);
+ } else
+ strcpy(vol->prepath, string);
+
+ break;
+ case Opt_iocharset:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: Invalid iocharset"
+ " specified\n");
+ goto cifs_parse_mount_err;
+ } else if (strnlen(string, 1024) >= 65) {
+ printk(KERN_WARNING "CIFS: iocharset name "
+ "too long.\n");
+ goto cifs_parse_mount_err;
+ }
+
+ if (strnicmp(string, "default", 7) != 0) {
+ vol->iocharset = kstrdup(string,
+ GFP_KERNEL);
+ if (!vol->iocharset) {
+ printk(KERN_WARNING "CIFS: no memory"
+ "for charset\n");
+ goto cifs_parse_mount_err;
+ }
+ }
+ /* if iocharset not set then load_nls_default
+ * is used by caller
+ */
+ cFYI(1, "iocharset set to %s", string);
+ break;
+ case Opt_sockopt:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: No socket option"
+ " specified\n");
+ goto cifs_parse_mount_err;
+ }
+ if (strnicmp(string, "TCP_NODELAY", 11) == 0)
+ vol->sockopt_tcp_nodelay = 1;
+ break;
+ case Opt_netbiosname:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: Invalid (empty)"
+ " netbiosname\n");
+ break;
+ }
+
+ memset(vol->source_rfc1001_name, 0x20,
+ RFC1001_NAME_LEN);
+ /*
+ * FIXME: are there cases in which a comma can
+ * be valid in workstation netbios name (and
+ * need special handling)?
+ */
+ for (i = 0; i < RFC1001_NAME_LEN; i++) {
+ /* don't ucase netbiosname for user */
+ if (string[i] == 0)
+ break;
+ vol->source_rfc1001_name[i] = string[i];
+ }
+ /* The string has 16th byte zero still from
+ * set at top of the function
+ */
+ if (i == RFC1001_NAME_LEN && string[i] != 0)
+ printk(KERN_WARNING "CIFS: netbiosname"
+ " longer than 15 truncated.\n");
+
+ break;
+ case Opt_servern:
+ /* servernetbiosname specified override *SMBSERVER */
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: Empty server"
+ " netbiosname specified\n");
+ break;
+ }
+ /* last byte, type, is 0x20 for servr type */
+ memset(vol->target_rfc1001_name, 0x20,
+ RFC1001_NAME_LEN_WITH_NULL);
+
+ /* BB are there cases in which a comma can be
+ valid in this workstation netbios name
+ (and need special handling)? */
+
+ /* user or mount helper must uppercase the
+ netbios name */
+ for (i = 0; i < 15; i++) {
+ if (string[i] == 0)
+ break;
+ vol->target_rfc1001_name[i] = string[i];
+ }
+ /* The string has 16th byte zero still from
+ set at top of the function */
+ if (i == RFC1001_NAME_LEN && string[i] != 0)
+ printk(KERN_WARNING "CIFS: server net"
+ "biosname longer than 15 truncated.\n");
+ break;
+ case Opt_ver:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ cERROR(1, "no protocol version specified"
+ " after vers= mount option");
+ goto cifs_parse_mount_err;
+ }
+
+ if (strnicmp(string, "cifs", 4) == 0 ||
+ strnicmp(string, "1", 1) == 0) {
+ /* This is the default */
+ break;
+ }
+ /* For all other value, error */
+ printk(KERN_WARNING "CIFS: Invalid version"
+ " specified\n");
goto cifs_parse_mount_err;
+ case Opt_sec:
+ string = match_strdup(args);
+ if (string == NULL)
+ goto out_nomem;
+
+ if (!*string) {
+ printk(KERN_WARNING "CIFS: no security flavor"
+ " specified\n");
+ break;
+ }
+
+ if (cifs_parse_security_flavors(string, vol) != 0)
+ goto cifs_parse_mount_err;
+ break;
+ default:
+ printk(KERN_WARNING "CIFS: Unknown mount option %s\n",
+ data);
+ break;
}
+ /* Free up any allocated string */
+ kfree(string);
+ string = NULL;
}
#ifndef CONFIG_KEYS
@@ -1619,7 +1906,10 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
kfree(mountdata_copy);
return 0;
+out_nomem:
+ printk(KERN_WARNING "Could not allocate temporary buffer\n");
cifs_parse_mount_err:
+ kfree(string);
kfree(mountdata_copy);
return 1;
}
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-24 21:32:41 +0200