summaryrefslogtreecommitdiff
path: root/fs/cifs/connect.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c82
1 files changed, 32 insertions, 50 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4aa81a507b74..fc44d316d0bb 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -35,6 +35,7 @@
#include <linux/namei.h>
#include <asm/uaccess.h>
#include <asm/processor.h>
+#include <linux/inet.h>
#include <net/ipv6.h>
#include "cifspdu.h"
#include "cifsglob.h"
@@ -61,7 +62,6 @@ struct smb_vol {
char *domainname;
char *UNC;
char *UNCip;
- char *in6_addr; /* ipv6 address as human readable form of in6_addr */
char *iocharset; /* local code page for mapping to and from Unicode */
char source_rfc1001_name[16]; /* netbios name of client */
char target_rfc1001_name[16]; /* netbios name of server for Win9x/ME */
@@ -70,7 +70,6 @@ struct smb_vol {
mode_t file_mode;
mode_t dir_mode;
unsigned secFlg;
- bool rw:1;
bool retry:1;
bool intr:1;
bool setuids:1;
@@ -827,14 +826,15 @@ cifs_parse_mount_options(char *options, const char *devname,
vol->target_rfc1001_name[0] = 0;
vol->linux_uid = current_uid(); /* use current_euid() instead? */
vol->linux_gid = current_gid();
- vol->dir_mode = S_IRWXUGO;
- /* 2767 perms indicate mandatory locking support */
- vol->file_mode = (S_IRWXUGO | S_ISGID) & (~S_IXGRP);
+
+ /* default to only allowing write access to owner of the mount */
+ vol->dir_mode = vol->file_mode = S_IRUGO | S_IXUGO | S_IWUSR;
/* vol->retry default is 0 (i.e. "soft" limited retry not hard retry) */
- vol->rw = true;
/* default is always to request posix paths. */
vol->posix_paths = 1;
+ /* default to using server inode numbers where available */
+ vol->server_ino = 1;
if (!options)
return 1;
@@ -955,10 +955,12 @@ cifs_parse_mount_options(char *options, const char *devname,
}
strcpy(vol->password, value);
}
- } else if (strnicmp(data, "ip", 2) == 0) {
+ } else if (!strnicmp(data, "ip", 2) ||
+ !strnicmp(data, "addr", 4)) {
if (!value || !*value) {
vol->UNCip = NULL;
- } else if (strnlen(value, 35) < 35) {
+ } else if (strnlen(value, INET6_ADDRSTRLEN) <
+ INET6_ADDRSTRLEN) {
vol->UNCip = value;
} else {
printk(KERN_WARNING "CIFS: ip address "
@@ -1092,17 +1094,17 @@ cifs_parse_mount_options(char *options, const char *devname,
return 1;
}
} else if (strnicmp(data, "uid", 3) == 0) {
- if (value && *value) {
+ if (value && *value)
vol->linux_uid =
simple_strtoul(value, &value, 0);
+ } else if (strnicmp(data, "forceuid", 8) == 0) {
vol->override_uid = 1;
- }
} else if (strnicmp(data, "gid", 3) == 0) {
- if (value && *value) {
+ if (value && *value)
vol->linux_gid =
simple_strtoul(value, &value, 0);
+ } else if (strnicmp(data, "forcegid", 8) == 0) {
vol->override_gid = 1;
- }
} else if (strnicmp(data, "file_mode", 4) == 0) {
if (value && *value) {
vol->file_mode =
@@ -1195,7 +1197,9 @@ cifs_parse_mount_options(char *options, const char *devname,
} else if (strnicmp(data, "guest", 5) == 0) {
/* ignore */
} else if (strnicmp(data, "rw", 2) == 0) {
- vol->rw = true;
+ /* ignore */
+ } else if (strnicmp(data, "ro", 2) == 0) {
+ /* ignore */
} else if (strnicmp(data, "noblocksend", 11) == 0) {
vol->noblocksnd = 1;
} else if (strnicmp(data, "noautotune", 10) == 0) {
@@ -1214,8 +1218,6 @@ cifs_parse_mount_options(char *options, const char *devname,
parse these options again and set anything and it
is ok to just ignore them */
continue;
- } else if (strnicmp(data, "ro", 2) == 0) {
- vol->rw = false;
} else if (strnicmp(data, "hard", 4) == 0) {
vol->retry = 1;
} else if (strnicmp(data, "soft", 4) == 0) {
@@ -1315,16 +1317,6 @@ cifs_parse_mount_options(char *options, const char *devname,
vol->direct_io = 1;
} else if (strnicmp(data, "forcedirectio", 13) == 0) {
vol->direct_io = 1;
- } else if (strnicmp(data, "in6_addr", 8) == 0) {
- if (!value || !*value) {
- vol->in6_addr = NULL;
- } else if (strnlen(value, 49) == 48) {
- vol->in6_addr = value;
- } else {
- printk(KERN_WARNING "CIFS: ip v6 address not "
- "48 characters long\n");
- return 1;
- }
} else if (strnicmp(data, "noac", 4) == 0) {
printk(KERN_WARNING "CIFS: Mount option noac not "
"supported. Instead set "
@@ -1392,8 +1384,10 @@ cifs_find_tcp_session(struct sockaddr_storage *addr)
server->addr.sockAddr.sin_addr.s_addr))
continue;
else if (addr->ss_family == AF_INET6 &&
- !ipv6_addr_equal(&server->addr.sockAddr6.sin6_addr,
- &addr6->sin6_addr))
+ (!ipv6_addr_equal(&server->addr.sockAddr6.sin6_addr,
+ &addr6->sin6_addr) ||
+ server->addr.sockAddr6.sin6_scope_id !=
+ addr6->sin6_scope_id))
continue;
++server->srv_count;
@@ -1439,28 +1433,15 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
memset(&addr, 0, sizeof(struct sockaddr_storage));
- if (volume_info->UNCip && volume_info->UNC) {
- rc = cifs_inet_pton(AF_INET, volume_info->UNCip,
- &sin_server->sin_addr.s_addr);
-
- if (rc <= 0) {
- /* not ipv4 address, try ipv6 */
- rc = cifs_inet_pton(AF_INET6, volume_info->UNCip,
- &sin_server6->sin6_addr.in6_u);
- if (rc > 0)
- addr.ss_family = AF_INET6;
- } else {
- addr.ss_family = AF_INET;
- }
+ cFYI(1, ("UNC: %s ip: %s", volume_info->UNC, volume_info->UNCip));
- if (rc <= 0) {
+ if (volume_info->UNCip && volume_info->UNC) {
+ rc = cifs_convert_address(volume_info->UNCip, &addr);
+ if (!rc) {
/* we failed translating address */
rc = -EINVAL;
goto out_err;
}
-
- cFYI(1, ("UNC: %s ip: %s", volume_info->UNC,
- volume_info->UNCip));
} else if (volume_info->UNCip) {
/* BB using ip addr as tcp_ses name to connect to the
DFS root below */
@@ -1519,14 +1500,14 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
cFYI(1, ("attempting ipv6 connect"));
/* BB should we allow ipv6 on port 139? */
/* other OS never observed in Wild doing 139 with v6 */
+ sin_server6->sin6_port = htons(volume_info->port);
memcpy(&tcp_ses->addr.sockAddr6, sin_server6,
sizeof(struct sockaddr_in6));
- sin_server6->sin6_port = htons(volume_info->port);
rc = ipv6_connect(tcp_ses);
} else {
+ sin_server->sin_port = htons(volume_info->port);
memcpy(&tcp_ses->addr.sockAddr, sin_server,
sizeof(struct sockaddr_in));
- sin_server->sin_port = htons(volume_info->port);
rc = ipv4_connect(tcp_ses);
}
if (rc < 0) {
@@ -2471,10 +2452,10 @@ try_mount_again:
tcon->local_lease = volume_info->local_lease;
}
if (pSesInfo) {
- if (pSesInfo->capabilities & CAP_LARGE_FILES) {
- sb->s_maxbytes = (u64) 1 << 63;
- } else
- sb->s_maxbytes = (u64) 1 << 31; /* 2 GB */
+ if (pSesInfo->capabilities & CAP_LARGE_FILES)
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ else
+ sb->s_maxbytes = MAX_NON_LFS;
}
/* BB FIXME fix time_gran to be larger for LANMAN sessions */
@@ -2745,6 +2726,7 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses,
strncpy(tcon->treeName, tree, MAX_TREE_SIZE);
/* mostly informational -- no need to fail on error here */
+ kfree(tcon->nativeFileSystem);
tcon->nativeFileSystem = cifs_strndup_from_ucs(bcc_ptr,
bytes_left, is_unicode,
nls_codepage);
generated by cgit (git 2.34.1) at 2025-05-07 06:20:57 +0000