cregit-Linux how code gets into the kernel

Release 4.10 fs/hfsplus/xattr_security.c

Directory: fs/hfsplus
/*
 * linux/fs/hfsplus/xattr_trusted.c
 *
 * Vyacheslav Dubeyko <slava@dubeyko.com>
 *
 * Handler for storing security labels as extended attributes.
 */

#include <linux/security.h>
#include <linux/nls.h>

#include "hfsplus_fs.h"
#include "xattr.h"
#include "acl.h"


static int hfsplus_security_getxattr(const struct xattr_handler *handler, struct dentry *unused, struct inode *inode, const char *name, void *buffer, size_t size) { return hfsplus_getxattr(inode, name, buffer, size, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN); }

Contributors

PersonTokensPropCommitsCommitProp
vyacheslav dubeykovyacheslav dubeyko3264.00%125.00%
al viroal viro714.00%125.00%
andreas gruenbacherandreas gruenbacher612.00%125.00%
fabian frederickfabian frederick510.00%125.00%
Total50100.00%4100.00%


static int hfsplus_security_setxattr(const struct xattr_handler *handler, struct dentry *unused, struct inode *inode, const char *name, const void *buffer, size_t size, int flags) { return hfsplus_setxattr(inode, name, buffer, size, flags, XATTR_SECURITY_PREFIX, XATTR_SECURITY_PREFIX_LEN); }

Contributors

PersonTokensPropCommitsCommitProp
vyacheslav dubeykovyacheslav dubeyko3867.86%125.00%
al viroal viro712.50%125.00%
andreas gruenbacherandreas gruenbacher610.71%125.00%
fabian frederickfabian frederick58.93%125.00%
Total56100.00%4100.00%


static int hfsplus_initxattrs(struct inode *inode, const struct xattr *xattr_array, void *fs_info) { const struct xattr *xattr; char *xattr_name; int err = 0; xattr_name = kmalloc(NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN + 1, GFP_KERNEL); if (!xattr_name) return -ENOMEM; for (xattr = xattr_array; xattr->name != NULL; xattr++) { if (!strcmp(xattr->name, "")) continue; strcpy(xattr_name, XATTR_SECURITY_PREFIX); strcpy(xattr_name + XATTR_SECURITY_PREFIX_LEN, xattr->name); memset(xattr_name + XATTR_SECURITY_PREFIX_LEN + strlen(xattr->name), 0, 1); err = __hfsplus_setxattr(inode, xattr_name, xattr->value, xattr->value_len, 0); if (err) break; } kfree(xattr_name); return err; }

Contributors

PersonTokensPropCommitsCommitProp
vyacheslav dubeykovyacheslav dubeyko11674.36%150.00%
hin-tak leunghin-tak leung4025.64%150.00%
Total156100.00%2100.00%


int hfsplus_init_security(struct inode *inode, struct inode *dir, const struct qstr *qstr) { return security_inode_init_security(inode, dir, qstr, &hfsplus_initxattrs, NULL); }

Contributors

PersonTokensPropCommitsCommitProp
vyacheslav dubeykovyacheslav dubeyko36100.00%1100.00%
Total36100.00%1100.00%


int hfsplus_init_inode_security(struct inode *inode, struct inode *dir, const struct qstr *qstr) { int err; err = hfsplus_init_posix_acl(inode, dir); if (!err) err = hfsplus_init_security(inode, dir, qstr); return err; }

Contributors

PersonTokensPropCommitsCommitProp
vyacheslav dubeykovyacheslav dubeyko52100.00%1100.00%
Total52100.00%1100.00%

const struct xattr_handler hfsplus_xattr_security_handler = { .prefix = XATTR_SECURITY_PREFIX, .get = hfsplus_security_getxattr, .set = hfsplus_security_setxattr, };

Overall Contributors

PersonTokensPropCommitsCommitProp
vyacheslav dubeykovyacheslav dubeyko30979.64%225.00%
hin-tak leunghin-tak leung4311.08%112.50%
al viroal viro143.61%225.00%
andreas gruenbacherandreas gruenbacher123.09%112.50%
fabian frederickfabian frederick102.58%225.00%
Total388100.00%8100.00%
Directory: fs/hfsplus
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