82 lines
2.7 KiB
C
82 lines
2.7 KiB
C
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#ifndef SOCKS_KEXT_H_
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#define SOCKS_KEXT_H_
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#include <socks/status.h>
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#include <socks/compiler.h>
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#define KERNEL_KEXT_ID "net.doorstuck.socks-kernel"
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#define KEXT_IDENT_MAX 80
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#define __KEXT_INFO_VARNAME_2(a, b) a ## b
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#define __KEXT_INFO_VARNAME_1(a, b) __KEXT_INFO_VARNAME_2(a, b)
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#ifdef SOCKS_INTERNAL
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#define __KEXT_INFO_LINKAGE static
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#define __KEXT_INFO_VARNAME() __KEXT_INFO_VARNAME_1(__kext_info, __LINE__)
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#define __KEXT_INFO_DEPNAME() __KEXT_INFO_VARNAME_1(__kext_deps, __LINE__)
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#define __KEXT_INFO_FLAGS KEXT_INTERNAL
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#else
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#define __KEXT_INFO_LINKAGE
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#define __KEXT_INFO_VARNAME() __kext_info
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#define __KEXT_INFO_DEPNAME() __kext_deps
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#define __KEXT_INFO_FLAGS KEXT_NONE
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#endif
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#ifdef __cplusplus
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#define DEFINE_KEXT(ident, online, offline, ...) \
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static const char *__KEXT_INFO_DEPNAME()[] = { \
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__VA_ARGS__ \
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}; \
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static struct kext_info __section(".kextinfo") __used __KEXT_INFO_VARNAME() = { \
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__KEXT_INFO_FLAGS, \
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ident, \
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online, \
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offline, \
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__KEXT_INFO_DEPNAME(), \
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}
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#else
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#define DEFINE_KEXT(ident, online, offline, ...) \
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static const char *__kext_deps[] = { \
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__VA_ARGS__ \
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}; \
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static struct kext_info __section(".kextinfo") __used __kext_info = { \
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.k_flags = __KEXT_INFO_FLAGS, \
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.k_ident = ident, \
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.k_online = online, \
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.k_offline = offline, \
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.k_dependencies = __kext_deps, \
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}
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#endif
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struct kext;
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enum kext_flags {
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KEXT_NONE = 0x00u,
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KEXT_INTERNAL = 0x01u,
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KEXT_ONLINE = 0x02u,
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};
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struct kext_info {
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enum kext_flags k_flags;
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char k_ident[KEXT_IDENT_MAX];
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kern_status_t(*k_online)(struct kext *);
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kern_status_t(*k_offline)(struct kext *);
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const char **k_dependencies;
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};
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struct kext {
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enum kext_flags k_flags;
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char k_ident[KEXT_IDENT_MAX];
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kern_status_t(*k_online)(struct kext *);
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kern_status_t(*k_offline)(struct kext *);
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unsigned int k_nr_dependencies;
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struct kext **k_dependencies;
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};
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extern kern_status_t scan_internal_kexts(void);
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extern kern_status_t bring_internal_kexts_online(void);
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#endif
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