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Revert "More strict verification of ELF header"

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This reverts commit e3ebea5d9a.
This commit is contained in:
Alex Kotov 2020-11-25 23:24:15 +05:00
parent e3ebea5d9a
commit 8e3260cbf1
Signed by: kotovalexarian
GPG key ID: 553C0EBBEB5D5F08
1 changed files with 4 additions and 7 deletions
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11
kernelmq/elf.h
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@ -21,13 +21,13 @@ struct KernelMQ_ELF_Header {
unsigned long elf_version : 32; // Must be 1.
unsigned long entrypoint : 32;
unsigned long prog_table_pos : 32; // Must not be 0.
unsigned long sect_table_pos : 32; // Must not be 0.
unsigned long sect_table_pos : 32;
unsigned long arch_flags : 32; // Must be 0.
unsigned short header_size : 16; // Must be 52.
unsigned short prog_entr_size : 16; // Must not be 0.
unsigned short prog_entr_num : 16; // Must not be 0.
unsigned short sect_entr_size : 16; // Must not be 0.
unsigned short sect_entr_num : 16; // Must not be 0.
unsigned short sect_entr_size : 16;
unsigned short sect_entr_num : 16;
unsigned short sect_names_idx : 16;
}
__attribute__((packed));
@ -85,10 +85,7 @@ unsigned char KernelMQ_ELF_Header_is_valid(
header->header_size == 52 &&
header->prog_table_pos != 0 &&
header->prog_entr_size != 0 &&
header->prog_entr_num != 0 &&
header->sect_table_pos != 0 &&
header->sect_entr_size != 0 &&
header->sect_entr_num != 0
header->prog_entr_num != 0
);
}