mirror of https://github.com/ericonr/purr-c.git
81 lines
2.0 KiB
C
81 lines
2.0 KiB
C
#ifndef __PURR_H_
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#define __PURR_H_
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#include <stdint.h>
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#include <stdio.h>
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#include <stdbool.h>
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#include <sys/mman.h>
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#include <bearssl.h>
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#define HTTP_PORT 80
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#define HTTPS_PORT 443
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#define HEADER_MAX_LEN 8192
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#define NET_BLOCK_SIZE 512
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#define KEY_LEN 32
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#define IV_LEN br_aes_big_BLOCK_SIZE
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#define RANDOMIZE_IV
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#define ENCODE_BASE_64
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#define DECODE_BASE_64
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#define RESET_MMAP(file) do{(file).offset = 0; (file).cursor = 0}while(0);
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#define ERROR_MMAP(file) ((file).data == MAP_FAILED || (file).data == NULL)
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#define CLOSE_MMAP(file) do{if((file).data != MAP_FAILED && (file).data != NULL) munmap((file).data, (file).size);}while(0);
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struct connection_information {
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br_sslio_context *ioc;
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br_ssl_client_context *sc;
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const char *request;
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size_t request_size;
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struct mmap_file *input, *output;
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int socket;
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bool send, ssl;
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bool no_strip, debug;
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};
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struct transmission_information {
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br_sslio_context *ioc;
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struct mmap_file *file;
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int socket;
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bool no_strip, debug, ssl;
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};
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struct mmap_file {
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uint8_t *data, *cursor;
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off_t size, offset;
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int prot, flags;
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};
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/* sockets.c */
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int socket_read(void *, uint8_t *, size_t);
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int socket_write(void *, const uint8_t *, size_t);
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/* urls.c */
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int clean_up_link(const char *, char *, char *, char *);
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int get_encryption_params(char *, uint8_t **, uint8_t **);
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int host_connect(const char *, const char *, bool);
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/* files.c */
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struct mmap_file create_mmap_from_file(const char *, int);
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int read_from_mmap(struct mmap_file *, int);
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int write_into_mmap(struct mmap_file *, const uint8_t *, int);
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size_t ssl_to_mmap(struct transmission_information);
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size_t mmap_to_ssl(struct transmission_information);
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/* comm.c */
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int send_and_receive(struct connection_information *);
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/* formats.c */
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char *print_hex(const uint8_t *, int, bool);
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int decode_hex(const char *, uint8_t *, int);
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/* encrypt.c */
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struct mmap_file encrypt_mmap(struct mmap_file, uint8_t **, uint8_t **);
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struct mmap_file decrypt_mmap(struct mmap_file, const uint8_t *, const uint8_t *);
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#endif // __PURR_H_
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