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@exdeniz
Created May 7, 2014 16:08
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diff -Nru prl_fs.orig/SharedFolders/Guest/Linux/prl_fs/inode.c prl_fs/SharedFolders/Guest/Linux/prl_fs/inode.c
--- prl_fs.orig/SharedFolders/Guest/Linux/prl_fs/inode.c 2013-11-11 17:56:58.000000000 +0200
+++ prl_fs/SharedFolders/Guest/Linux/prl_fs/inode.c 2013-11-29 20:41:53.689167040 +0200
@@ -199,10 +199,18 @@
if (attr->valid & _PATTR_MODE)
inode->i_mode = (inode->i_mode & S_IFMT) | (attr->mode & 0777);
if ((attr->valid & _PATTR_UID) &&
- (sbi->plain || sbi->share || attr->uid == -1))
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ (sbi->plain || sbi->share || __kuid_val(attr->uid) == -1))
+#else
+ (sbi->plain || sbi->share || attr->uid == -1)))
+#endif
inode->i_uid = attr->uid;
if ((attr->valid & _PATTR_GID) &&
- (sbi->plain || sbi->share || attr->gid == -1))
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ (sbi->plain || sbi->share || __kgid_val(attr->gid) == -1))
+#else
+ (sbi->plain || sbi->share || attr->gid == -1)))
+#endif
inode->i_gid = attr->gid;
return;
}
@@ -521,13 +529,21 @@
generic_fillattr(dentry->d_inode, stat);
if (PRLFS_SB(dentry->d_sb)->share) {
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ if (__kuid_val(stat->uid) != -1)
+#else
if (stat->uid != -1)
+#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
stat->uid = current->fsuid;
#else
stat->uid = current->cred->fsuid;
#endif
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ if (__kgid_val(stat->gid) != -1)
+#else
if (stat->gid != -1)
+#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
stat->gid = current->fsgid;
#else
@@ -577,9 +593,17 @@
mode = inode->i_mode;
isdir = S_ISDIR(mode);
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ if (__kuid_val(inode->i_uid) != -1)
+#else
if (inode->i_uid != -1)
+#endif
mode = mode >> 6;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ else if (__kgid_val(inode->i_gid) != -1)
+#else
else if (inode->i_gid != -1)
+#endif
mode = mode >> 3;
mode &= 0007;
mask &= MAY_READ | MAY_WRITE | MAY_EXEC;
diff -Nru prl_fs.orig/SharedFolders/Guest/Linux/prl_fs/prlfs.h prl_fs/SharedFolders/Guest/Linux/prl_fs/prlfs.h
--- prl_fs.orig/SharedFolders/Guest/Linux/prl_fs/prlfs.h 2013-11-11 17:56:58.000000000 +0200
+++ prl_fs/SharedFolders/Guest/Linux/prl_fs/prlfs.h 2013-11-29 20:46:27.662771996 +0200
@@ -28,8 +28,13 @@
struct pci_dev *pdev;
unsigned sfid;
unsigned ttl;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ kuid_t uid;
+ kgid_t gid;
+#else
uid_t uid;
gid_t gid;
+#endif
int readonly;
int share;
int plain;
diff -Nru prl_fs.orig/SharedFolders/Guest/Linux/prl_fs/super.c prl_fs/SharedFolders/Guest/Linux/prl_fs/super.c
--- prl_fs.orig/SharedFolders/Guest/Linux/prl_fs/super.c 2013-11-11 17:56:58.000000000 +0200
+++ prl_fs/SharedFolders/Guest/Linux/prl_fs/super.c 2013-11-29 20:28:39.212000000 +0200
@@ -13,6 +13,7 @@
#include <linux/seq_file.h>
#include <linux/ctype.h>
#include <linux/vfs.h>
+#include <linux/parser.h>
#include "prlfs.h"
#include "prlfs_compat.h"
@@ -26,38 +27,35 @@
extern struct file_operations prlfs_names_fops;
extern struct inode_operations prlfs_names_iops;
-static int prlfs_strtoui(char *cp, unsigned *result){
- int ret = 0;
- unsigned ui = 0;
- unsigned digit;
-
- if (!cp || (*cp == 0))
- return -EINVAL;
-
- while (*cp) {
- if (isdigit(*cp)) {
- digit = *cp - '0';
- } else {
- ret = -EINVAL;
- break;
- }
- if (ui > ui * 10U + digit)
- return -EINVAL;
- ui = ui * 10U + digit;
- cp++;
- }
-
- if (ret == 0)
- *result = ui;
-
- return ret;
-}
+enum {
+ Opt_uid,
+ Opt_gid,
+ Opt_ttl,
+ Opt_nls,
+ Opt_share,
+ Opt_plain,
+ Opt_sf,
+ Opt_err,
+};
+
+static const match_table_t prlfs_tokens = {
+ {Opt_uid, "uid=%d"},
+ {Opt_gid, "gid=%d"},
+ {Opt_ttl, "ttl=%u"},
+ {Opt_nls, "nls=%s"},
+ {Opt_share, "share"},
+ {Opt_plain, "plain"},
+ {Opt_sf, "sf=%s"},
+ {Opt_err, NULL}
+};
static int
prlfs_parse_mount_options(char *options, struct prlfs_sb_info *sbi)
{
+ substring_t args[MAX_OPT_ARGS];
int ret = 0;
- char *opt, *val;
+ int val;
+ char *opt;
DPRINTK("ENTER\n");
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,29)
@@ -70,35 +68,54 @@
sbi->ttl = HZ;
if (!options)
- goto out;
+ goto out;
- while (!ret && (opt = strsep(&options, ",")) != NULL)
+ while (!ret && ((opt = strsep(&options, ",")) != NULL))
{
+ int token;
if (!*opt)
continue;
- val = strchr(opt, '=');
- if (val) {
- *(val++) = 0;
- if (strlen(val) == 0)
- val = NULL;
- }
- if (!strcmp(opt, "ttl") && val)
- ret = prlfs_strtoui(val, &sbi->ttl);
- else if (!strcmp(opt, "uid") && val)
- ret = prlfs_strtoui(val, &sbi->uid);
- else if (!strcmp(opt, "gid") && val)
- ret = prlfs_strtoui(val, &sbi->gid);
- else if (!strcmp(opt, "nls") && val)
- strncpy(sbi->nls, val, LOCALE_NAME_LEN - 1);
- else if (!strcmp(opt, "share"))
+ token = match_token(opt, prlfs_tokens, args);
+ switch (token) {
+ case Opt_uid:
+ if (!(ret = match_int(&args[0], &val)))
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ sbi->uid = KUIDT_INIT(val);
+#else
+ sbi->uid = val;
+#endif
+ break;
+ case Opt_gid:
+ if (!(ret = match_int(&args[0], &val)))
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ sbi->gid = KGIDT_INIT(val);
+#else
+ sbi->gid = val;
+#endif
+ break;
+ case Opt_ttl:
+ if (!(ret = match_int(&args[0], &val)))
+ sbi->ttl = val;
+ break;
+ case Opt_nls:
+ if (!match_strlcpy(sbi->nls, &args[0], LOCALE_NAME_LEN - 1))
+ ret = -EINVAL;
+ break;
+ case Opt_share:
sbi->share = 1;
- else if (!strcmp(opt, "plain"))
+ break;
+ case Opt_plain:
sbi->plain = 1;
- else if (!strcmp(opt, "sf") && val)
- strncpy(sbi->name, val, sizeof(sbi->name));
- else
+ break;
+ case Opt_sf:
+ if (!match_strlcpy(sbi->name, &args[0], sizeof(sbi->name)))
+ ret = -EINVAL;
+ break;
+ default:
ret = -EINVAL;
+ }
+ DPRINTK("PARSE interating %d:%d:%s\n", token, val, args[0]);
}
out:
DPRINTK("EXIT returning %d\n", ret);
diff -Nru prl_fs.orig/SharedFolders/Interfaces/sf_lin.h prl_fs/SharedFolders/Interfaces/sf_lin.h
--- prl_fs.orig/SharedFolders/Interfaces/sf_lin.h 2013-11-11 18:11:49.000000000 +0200
+++ prl_fs/SharedFolders/Interfaces/sf_lin.h 2013-11-29 03:11:48.924415600 +0200
@@ -40,8 +40,13 @@
unsigned long long mtime;
unsigned long long ctime;
unsigned int mode;
- unsigned int uid;
- unsigned int gid;
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,5,0)
+ kuid_t uid;
+ kgid_t gid;
+#else
+ uid_t uid;
+ gid_t gid;
+#endif
unsigned int valid;
} PACKED;
SFLIN_CHECK_SIZE(prlfs_attr, sizeof(struct prlfs_attr), 48)
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