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Diffstat (limited to 'fs/cifs/connect.c')
-rw-r--r--fs/cifs/connect.c69
1 files changed, 58 insertions, 11 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 5d394c72686..c78762051da 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -89,6 +89,7 @@ struct smb_vol {
unsigned int wsize;
unsigned int sockopt;
unsigned short int port;
+ char * prepath;
};
static int ipv4_connect(struct sockaddr_in *psin_server,
@@ -771,12 +772,12 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
separator[1] = 0;
memset(vol->source_rfc1001_name,0x20,15);
- for(i=0;i < strnlen(system_utsname.nodename,15);i++) {
+ for(i=0;i < strnlen(utsname()->nodename,15);i++) {
/* does not have to be a perfect mapping since the field is
informational, only used for servers that do not support
port 445 and it can be overridden at mount time */
vol->source_rfc1001_name[i] =
- toupper(system_utsname.nodename[i]);
+ toupper(utsname()->nodename[i]);
}
vol->source_rfc1001_name[15] = 0;
/* null target name indicates to use *SMBSERVR default called name
@@ -993,6 +994,28 @@ cifs_parse_mount_options(char *options, const char *devname,struct smb_vol *vol)
printk(KERN_WARNING "CIFS: domain name too long\n");
return 1;
}
+ } else if (strnicmp(data, "prefixpath", 10) == 0) {
+ if (!value || !*value) {
+ printk(KERN_WARNING
+ "CIFS: invalid path prefix\n");
+ return 1; /* needs_arg; */
+ }
+ 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)
+ return 1;
+ 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");
+ return 1;
+ }
} else if (strnicmp(data, "iocharset", 9) == 0) {
if (!value || !*value) {
printk(KERN_WARNING "CIFS: invalid iocharset specified\n");
@@ -1605,6 +1628,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
if (cifs_parse_mount_options(mount_data, devname, &volume_info)) {
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
}
@@ -1619,6 +1643,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
locations such as env variables and files on disk */
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
}
@@ -1639,6 +1664,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* we failed translating address */
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
}
@@ -1651,6 +1677,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cERROR(1,("Connecting to DFS root not implemented yet"));
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
} else /* which servers DFS root would we conect to */ {
@@ -1658,6 +1685,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
("CIFS mount error: No UNC path (e.g. -o unc=//192.168.1.100/public) specified"));
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
}
@@ -1672,6 +1700,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
cERROR(1,("CIFS mount error: iocharset %s not found",volume_info.iocharset));
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -ELIBACC;
}
@@ -1688,6 +1717,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
else {
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return -EINVAL;
}
@@ -1710,6 +1740,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
sock_release(csocket);
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return rc;
}
@@ -1720,6 +1751,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
sock_release(csocket);
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return rc;
} else {
@@ -1744,6 +1776,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
sock_release(csocket);
kfree(volume_info.UNC);
kfree(volume_info.password);
+ kfree(volume_info.prepath);
FreeXid(xid);
return rc;
}
@@ -1831,6 +1864,14 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
/* Windows ME may prefer this */
cFYI(1,("readsize set to minimum 2048"));
}
+ /* calculate prepath */
+ cifs_sb->prepath = volume_info.prepath;
+ if(cifs_sb->prepath) {
+ cifs_sb->prepathlen = strlen(cifs_sb->prepath);
+ cifs_sb->prepath[0] = CIFS_DIR_SEP(cifs_sb);
+ volume_info.prepath = NULL;
+ } else
+ cifs_sb->prepathlen = 0;
cifs_sb->mnt_uid = volume_info.linux_uid;
cifs_sb->mnt_gid = volume_info.linux_gid;
cifs_sb->mnt_file_mode = volume_info.file_mode;
@@ -2008,6 +2049,7 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
the password ptr is put in the new session structure (in which case the
password will be freed at unmount time) */
kfree(volume_info.UNC);
+ kfree(volume_info.prepath);
FreeXid(xid);
return rc;
}
@@ -2111,7 +2153,7 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release,
+ cifs_strtoUCS((__le16 *) bcc_ptr, utsname()->release,
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2;
@@ -2138,8 +2180,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses,
}
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, utsname()->release);
+ bcc_ptr += strlen(utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
}
@@ -2403,7 +2445,7 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release, 32,
+ cifs_strtoUCS((__le16 *) bcc_ptr, utsname()->release, 32,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2; /* null terminate Linux version */
@@ -2420,8 +2462,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid,
} else { /* ASCII */
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, utsname()->release);
+ bcc_ptr += strlen(utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
bcc_ptr++; /* empty domain field */
@@ -2794,7 +2836,7 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
32, nls_codepage);
bcc_ptr += 2 * bytes_returned;
bytes_returned =
- cifs_strtoUCS((__le16 *) bcc_ptr, system_utsname.release, 32,
+ cifs_strtoUCS((__le16 *) bcc_ptr, utsname()->release, 32,
nls_codepage);
bcc_ptr += 2 * bytes_returned;
bcc_ptr += 2; /* null term version string */
@@ -2846,8 +2888,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses,
strcpy(bcc_ptr, "Linux version ");
bcc_ptr += strlen("Linux version ");
- strcpy(bcc_ptr, system_utsname.release);
- bcc_ptr += strlen(system_utsname.release) + 1;
+ strcpy(bcc_ptr, utsname()->release);
+ bcc_ptr += strlen(utsname()->release) + 1;
strcpy(bcc_ptr, CIFS_NETWORK_OPSYS);
bcc_ptr += strlen(CIFS_NETWORK_OPSYS) + 1;
bcc_ptr++; /* null domain */
@@ -3195,6 +3237,7 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
int xid;
struct cifsSesInfo *ses = NULL;
struct task_struct *cifsd_task;
+ char * tmp;
xid = GetXid();
@@ -3228,6 +3271,10 @@ cifs_umount(struct super_block *sb, struct cifs_sb_info *cifs_sb)
}
cifs_sb->tcon = NULL;
+ tmp = cifs_sb->prepath;
+ cifs_sb->prepathlen = 0;
+ cifs_sb->prepath = NULL;
+ kfree(tmp);
if (ses)
schedule_timeout_interruptible(msecs_to_jiffies(500));
if (ses)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-02-20 19:25:44 +0000