/** the value which is returned in error-case (no ctx found) */
#define VC_NOCTX ((xid_t)(-1))
/** the value which means a random (the next free) ctx */
-#define VC_RANDCTX ((xid_t)(-1))
+#define VC_DYNAMIC_XID ((xid_t)(-1))
/** the value which means the current ctx */
#define VC_SAMECTX ((xid_t)(-2))
# define S_CTX_INFO_ULIMIT 64
#endif
+#ifndef S_CTX_INFO_NAMESPACE
+# define S_CTX_INFO_NAMESPACE 128
+#endif
+
#define VC_CAP_CHOWN 0
#define VC_CAP_DAC_OVERRIDE 1
#define VC_CAP_DAC_READ_SEARCH 2
* - VC_RANDCTX which means the next free context; this value can be used by
* ordinary users also
* See http://vserver.13thfloor.at/Stuff/Logic.txt for details */
- int vc_new_s_context(xid_t ctx, unsigned int remove_cap, unsigned int flags);
+ xid_t vc_new_s_context(xid_t ctx, unsigned int remove_cap, unsigned int flags);
/** Sets the ipv4root information.
* \precondition: nb<16 */
int vc_set_ipv4root(uint32_t bcast, size_t nb, struct vc_ip_mask_pair const *ips);
+
+ xid_t vc_create_context(xid_t xid);
+ int vc_migrate_context(xid_t xid);
/* rlimit related functions */
typedef uint64_t vc_limit_t;
-
-
+
struct vc_rlimit {
vc_limit_t min;
vc_limit_t soft;
- int vc_set_iattr(dev_t dev, ino_t ino, xid_t xid, uint32_t flags, uint32_t mask);
- int vc_get_iattr(dev_t dev, ino_t ino, xid_t * /*@null@*/ xid,
+ int vc_set_iattr(char const *filename, xid_t xid, uint32_t flags, uint32_t mask);
+ int vc_get_iattr(char const *filename, xid_t * /*@null@*/ xid,
uint32_t * /*@null@*/ flags, uint32_t * /*@null@*/ mask);
- int vc_set_iattr_compat(char const *filename,
- dev_t dev, ino_t ino, xid_t xid,
- uint32_t flags, uint32_t mask,
- mode_t const * /*@null@*/ mode);
-
- int vc_get_iattr_compat(char const *filename,
- dev_t dev, ino_t ino,
- xid_t * /*@null@*/ xid,
- uint32_t * /*@null@*/ flags,
- uint32_t * /*@inout@*/ mask,
- mode_t const * /*@null@*/ mode);
-
struct vc_vx_info {
xid_t xid;
pid_t initpid;
xid_t vc_get_task_xid(pid_t pid);
int vc_get_vx_info(xid_t xid, struct vc_vx_info *info);
+
+ typedef enum { vcVHI_CONTEXT, vcVHI_SYSNAME, vcVHI_NODENAME,
+ vcVHI_RELEASE, vcVHI_VERSION, vcVHI_MACHINE,
+ vcVHI_DOMAINNAME } vc_uts_type;
+
+ int vc_set_vhi_name(xid_t xid, vc_uts_type type, char const *val, size_t len);
+ int vc_get_vhi_name(xid_t xid, vc_uts_type type, char *val, size_t len);
+
+
+ int vc_enter_namespace(xid_t xid);
+ int vc_set_namespace();
+ int vc_cleanup_namespace();
+
+ struct vc_ctx_flags {
+ uint64_t flagword;
+ uint64_t mask;
+ };
+
+ int vc_get_flags(xid_t xid, struct vc_ctx_flags *);
+ int vc_set_flags(xid_t xid, struct vc_ctx_flags const *);
+
+ uint32_t vc_textlist2flag(char const *, size_t len,
+ char const **err_ptr, size_t *err_len);
+ uint32_t vc_text2flag(char const *, size_t len);
+ char const * vc_hiflag2text(unsigned int);
+
int vc_text2cap(char const *);
- char const * vc_cap2text(int);
+ char const * vc_cap2text(unsigned int);
inline static int vc_get_securecaps() {
return ( (1<<VC_CAP_LINUX_IMMUTABLE) | (1<<VC_CAP_NET_BROADCAST) |
(1<<VC_CAP_MKNOD) | (1<<VC_CAP_QUOTACTL) );
}
- inline static int vc_setfilecontext(dev_t dev, ino_t ino, xid_t xid) {
- return vc_set_iattr(dev, ino, xid, 0, VC_IATTR_XID);
+ inline static int vc_setfilecontext(char const *filename, xid_t xid) {
+ return vc_set_iattr(filename, xid, 0, VC_IATTR_XID);
}
- inline static xid_t vc_getfilecontext(dev_t dev, ino_t ino) {
+ inline static xid_t vc_getfilecontext(char const *filename) {
xid_t res;
- if (vc_get_iattr(dev, ino, &res, 0,0)==-1) return VC_NOCTX;
+ if (vc_get_iattr(filename, &res, 0,0)==-1) return VC_NOCTX;
return res;
}
-
+
+
+ typedef enum { vcFEATURE_VKILL, vcFEATURE_IATTR, vcFEATURE_RLIMIT,
+ vcFEATURE_COMPAT, vcFEATURE_MIGRATE, vcFEATURE_NAMESPACE,
+ vcFEATURE_SCHED, vcFEATURE_VINFO, vcFEATURE_VHI }
+ vcFeatureSet;
+
+ bool vc_isSupported(vcFeatureSet);
/* The management part */
freed by the caller. */
char * vc_getVserverByCtx(xid_t ctx, /*@null@*/vcCfgStyle *style,
/*@null@*/char const *revdir);
+
+#define vcSKEL_INTERFACES 1u
+#define vcSKEL_PKGMGMT 2u
+#define vcSKEL_FILESYSTEM 4u
+
+ /** Create a basic configuration skeleton for a vserver plus toplevel
+ * directories for pkgmanagemt and filesystem (when requested). */
+ int vc_createSkeleton(char const *id, vcCfgStyle style, int flags);
#ifdef __cplusplus
}