47 lines
1008 B
C
47 lines
1008 B
C
#include "../includes/woody.h"
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int get_elf_file(t_elf_content *woody)
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{
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int fd;
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off_t off;
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fd = open(woody->file_path, O_RDONLY);
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if (fd < 0)
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{
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ft_printf("Error: Failed to open \'%s\'\n", woody->file_path);
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return EXIT_FAILURE;
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}
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off = lseek(fd, 0, SEEK_END);
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if (off == -1)
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{
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close(fd);
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ft_printf("Error: Failed to read file offset \'%s\'\n", woody->file_path);
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return EXIT_FAILURE;
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}
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woody->file_size = off;
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woody->file = mmap(NULL, woody->file_size, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
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if (woody->file == MAP_FAILED)
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{
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close(fd);
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ft_printf("Error: Failed to map file \'%s\'\n", woody->file_path);
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return EXIT_FAILURE;
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}
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close(fd);
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return EXIT_SUCCESS;
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}
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int main(int ac, char **av)
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{
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t_elf_content woody;
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if (ac != 2)
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{
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return ft_put_error("Woody_woodpacker take 1 argument\n");
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}
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woody.file_path = av[1];
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int ret = get_elf_file(&woody);
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if (ret == EXIT_FAILURE)
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return ret;
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return prepare_injection(&woody);
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}
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