mirror of
https://github.com/wolfSSL/wolfssl.git
synced 2026-07-05 18:10:50 +02:00
Daniel Pouzzner
9ca32e23d4
linuxkm/linuxkm_memory.c and linuxkm/linuxkm_memory.h: set up and use WOLFSSL_TEXT_SEGMENT_CANONICALIZER_BUFSIZ.
240 lines
7.4 KiB
C
240 lines
7.4 KiB
C
/* linuxkm_memory.h
|
|
*
|
|
* Copyright (C) 2006-2026 wolfSSL Inc.
|
|
*
|
|
* This file is part of wolfSSL.
|
|
*
|
|
* wolfSSL is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* wolfSSL is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
|
|
*/
|
|
|
|
/* included by wolfssl/wolfcrypt/memory.h */
|
|
|
|
#ifndef LINUXKM_MEMORY_H
|
|
#define LINUXKM_MEMORY_H
|
|
|
|
enum wc_reloc_dest_segment {
|
|
WC_R_SEG_NONE = 1,
|
|
WC_R_SEG_TEXT,
|
|
WC_R_SEG_RODATA,
|
|
WC_R_SEG_RWDATA,
|
|
WC_R_SEG_BSS,
|
|
WC_R_SEG_OTHER
|
|
};
|
|
|
|
enum wc_reloc_type {
|
|
WC_R_NONE = 1,
|
|
WC_R_X86_64_32,
|
|
WC_R_X86_64_32S,
|
|
WC_R_X86_64_64,
|
|
WC_R_X86_64_PC32,
|
|
WC_R_X86_64_PLT32,
|
|
WC_R_AARCH64_ABS32,
|
|
WC_R_AARCH64_ABS64,
|
|
WC_R_AARCH64_ADD_ABS_LO12_NC,
|
|
WC_R_AARCH64_ADR_PREL_PG_HI21,
|
|
WC_R_AARCH64_CALL26,
|
|
WC_R_AARCH64_JUMP26,
|
|
WC_R_AARCH64_LDST8_ABS_LO12_NC,
|
|
WC_R_AARCH64_LDST16_ABS_LO12_NC,
|
|
WC_R_AARCH64_LDST32_ABS_LO12_NC,
|
|
WC_R_AARCH64_LDST64_ABS_LO12_NC,
|
|
WC_R_AARCH64_PREL32,
|
|
WC_R_ARM_ABS32,
|
|
WC_R_ARM_PREL31,
|
|
WC_R_ARM_REL32,
|
|
WC_R_ARM_THM_CALL,
|
|
WC_R_ARM_THM_JUMP11,
|
|
WC_R_ARM_THM_JUMP24,
|
|
WC_R_ARM_THM_MOVT_ABS,
|
|
WC_R_ARM_THM_MOVW_ABS_NC
|
|
};
|
|
|
|
/* This structure is accessed natively by kernel module glue logic, and also
|
|
* from outside by linux-fips-hash.c -- pack it, with explicit pad bits, to
|
|
* remove all doubt about layout.
|
|
*/
|
|
struct __attribute__((packed)) wc_reloc_table_ent {
|
|
unsigned int offset;
|
|
unsigned int dest_offset;
|
|
signed int dest_addend;
|
|
#define WC_RELOC_DEST_SEGMENT_BITS 3
|
|
unsigned int dest_segment:WC_RELOC_DEST_SEGMENT_BITS;
|
|
#define WC_RELOC_TYPE_BITS 5
|
|
unsigned int reloc_type:WC_RELOC_TYPE_BITS;
|
|
unsigned int _pad_bits:(32 - (WC_RELOC_DEST_SEGMENT_BITS + WC_RELOC_TYPE_BITS));
|
|
};
|
|
|
|
#if defined(WC_SYM_RELOC_TABLES) || defined(WC_SYM_RELOC_TABLES_SUPPORT)
|
|
|
|
/* full ELF fencepost representation, to allow wc_reloc_normalize_text() */
|
|
|
|
struct wc_reloc_table_segments {
|
|
unsigned long start;
|
|
unsigned long end;
|
|
unsigned long reloc_tab_start;
|
|
unsigned long reloc_tab_end;
|
|
unsigned long reloc_tab_len_start;
|
|
unsigned long reloc_tab_len_end;
|
|
unsigned long text_start;
|
|
unsigned long text_end;
|
|
#ifdef HAVE_FIPS
|
|
unsigned long fips_text_start;
|
|
unsigned long fips_text_end;
|
|
#endif /* HAVE_FIPS */
|
|
unsigned long rodata_start;
|
|
unsigned long rodata_end;
|
|
#ifdef HAVE_FIPS
|
|
unsigned long fips_rodata_start;
|
|
unsigned long fips_rodata_end;
|
|
unsigned long verifyCore_start;
|
|
unsigned long verifyCore_end;
|
|
#endif /* HAVE_FIPS */
|
|
unsigned long data_start;
|
|
unsigned long data_end;
|
|
unsigned long bss_start;
|
|
unsigned long bss_end;
|
|
int text_is_live;
|
|
};
|
|
|
|
#ifdef HAVE_FIPS
|
|
|
|
#define WC_RELOC_TABLE_SEGMENTS_INITIALIZER { \
|
|
.start = ~0UL, \
|
|
.end = ~0UL, \
|
|
.reloc_tab_start = ~0UL, \
|
|
.reloc_tab_end = ~0UL, \
|
|
.reloc_tab_len_start = ~0UL, \
|
|
.reloc_tab_len_end = ~0UL, \
|
|
.text_start = ~0UL, \
|
|
.text_end = ~0UL, \
|
|
.fips_text_start = ~0UL, \
|
|
.fips_text_end = ~0UL, \
|
|
.rodata_start = ~0UL, \
|
|
.rodata_end = ~0UL, \
|
|
.fips_rodata_start = ~0UL, \
|
|
.fips_rodata_end = ~0UL, \
|
|
.verifyCore_start = ~0UL, \
|
|
.verifyCore_end = ~0UL, \
|
|
.data_start = ~0UL, \
|
|
.data_end = ~0UL, \
|
|
.bss_start = ~0UL, \
|
|
.bss_end = ~0UL, \
|
|
.text_is_live = 0 \
|
|
}
|
|
|
|
#else /* !HAVE_FIPS */
|
|
|
|
#define WC_RELOC_TABLE_SEGMENTS_INITIALIZER { \
|
|
.start = ~0UL, \
|
|
.end = ~0UL, \
|
|
.reloc_tab_start = ~0UL, \
|
|
.reloc_tab_end = ~0UL, \
|
|
.reloc_tab_len_start = ~0UL, \
|
|
.reloc_tab_len_end = ~0UL, \
|
|
.text_start = ~0UL, \
|
|
.text_end = ~0UL, \
|
|
.rodata_start = ~0UL, \
|
|
.rodata_end = ~0UL, \
|
|
.data_start = ~0UL, \
|
|
.data_end = ~0UL, \
|
|
.bss_start = ~0UL, \
|
|
.bss_end = ~0UL, \
|
|
.text_is_live = 0 \
|
|
}
|
|
|
|
#endif /* !HAVE_FIPS */
|
|
|
|
struct wc_reloc_counts {
|
|
int text;
|
|
int rodata;
|
|
int rwdata;
|
|
int bss;
|
|
int other;
|
|
};
|
|
|
|
#elif defined(HAVE_FIPS)
|
|
|
|
/* barebones FIPS fencepost representation -- no provision for
|
|
* wc_reloc_normalize_text()
|
|
*/
|
|
|
|
struct wc_reloc_table_segments {
|
|
unsigned long start;
|
|
unsigned long end;
|
|
unsigned long fips_text_start;
|
|
unsigned long fips_text_end;
|
|
unsigned long fips_rodata_start;
|
|
unsigned long fips_rodata_end;
|
|
unsigned long verifyCore_start;
|
|
unsigned long verifyCore_end;
|
|
};
|
|
|
|
#define WC_RELOC_TABLE_SEGMENTS_INITIALIZER { \
|
|
.start = ~0UL, \
|
|
.end = ~0UL, \
|
|
.fips_text_start = ~0UL, \
|
|
.fips_text_end = ~0UL, \
|
|
.fips_rodata_start = ~0UL, \
|
|
.fips_rodata_end = ~0UL, \
|
|
.verifyCore_start = ~0UL, \
|
|
.verifyCore_end = ~0UL \
|
|
}
|
|
|
|
struct wc_reloc_counts {
|
|
int dummy;
|
|
};
|
|
|
|
#endif /* !WC_SYM_RELOC_TABLES && HAVE_FIPS */
|
|
|
|
#if defined(WC_SYM_RELOC_TABLES) || defined(WC_SYM_RELOC_TABLES_SUPPORT)
|
|
|
|
#ifndef WOLFSSL_TEXT_SEGMENT_CANONICALIZER_BUFSIZ
|
|
#define WOLFSSL_TEXT_SEGMENT_CANONICALIZER_BUFSIZ 8192
|
|
#endif
|
|
|
|
WOLFSSL_API ssize_t wc_reloc_normalize_text(
|
|
const byte *text_in,
|
|
size_t text_in_len,
|
|
byte *text_out,
|
|
ssize_t *cur_index_p,
|
|
const struct wc_reloc_table_segments *seg_map,
|
|
struct wc_reloc_counts *reloc_counts);
|
|
|
|
#endif /* WC_SYM_RELOC_TABLES || WC_SYM_RELOC_TABLES_SUPPORT */
|
|
|
|
#ifdef HAVE_FIPS
|
|
|
|
#if defined(WOLFCRYPT_FIPS_CORE_DYNAMIC_HASH_VALUE) || defined(WOLFCRYPT_FIPS_CORE_DYNAMIC_HASH_VALUE_SUPPORT)
|
|
typedef int (*wc_fips_verifyCore_hmac_setkey_fn)(void *ctx, const byte *key, word32 key_len);
|
|
typedef int (*wc_fips_verifyCore_hmac_update_fn)(void *ctx, const byte *in, word32 in_len);
|
|
typedef int (*wc_fips_verifyCore_hmac_final_fn)(void *ctx, byte *out, word32 out_sz);
|
|
|
|
WOLFSSL_API int wc_fips_generate_hash(
|
|
const struct wc_reloc_table_segments *seg_map,
|
|
word32 digest_size,
|
|
const char *hmac_key_base16,
|
|
void *hmac_ctx,
|
|
wc_fips_verifyCore_hmac_setkey_fn hmac_setkey,
|
|
wc_fips_verifyCore_hmac_update_fn hmac_update,
|
|
wc_fips_verifyCore_hmac_final_fn hmac_final,
|
|
char *out,
|
|
word32 *out_size,
|
|
struct wc_reloc_counts *reloc_counts);
|
|
#endif
|
|
|
|
#endif /* HAVE_FIPS */
|
|
|
|
#endif /* LINUXKM_MEMORY_H */
|