42 lines
1.6 KiB
C
42 lines
1.6 KiB
C
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#ifndef ZERIN_TRANSPORT_H
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#define ZERIN_TRANSPORT_H
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#include <stdint.h>
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#include <stddef.h>
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// Transport interface — function pointers allow swapping HTTP/DNS/SMB/etc.
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typedef struct transport transport_t;
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typedef int (*transport_init_fn)(transport_t *t, const char *url, const char *user_agent);
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typedef int (*transport_send_fn)(transport_t *t, const char *endpoint,
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const uint8_t *data, size_t data_len,
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uint8_t **response, size_t *response_len);
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typedef void (*transport_cleanup_fn)(transport_t *t);
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struct transport {
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transport_init_fn init;
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transport_send_fn send;
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transport_cleanup_fn cleanup;
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void *ctx; // Implementation-specific context
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};
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// HTTP/S transport implementation
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extern transport_t transport_https;
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int http_init(transport_t *t, const char *url, const char *user_agent);
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int http_send(transport_t *t, const char *endpoint,
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const uint8_t *data, size_t data_len,
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uint8_t **response, size_t *response_len);
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void http_cleanup(transport_t *t);
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// High-level transport functions used by beacon
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int transport_do_key_exchange(transport_t *t, const char *base_url,
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const uint8_t *kx_data, size_t kx_len,
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uint8_t **response, size_t *response_len);
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int transport_do_beacon(transport_t *t, const char *base_url,
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const uint8_t *beacon_data, size_t beacon_len,
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uint8_t **response, size_t *response_len);
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#endif // ZERIN_TRANSPORT_H
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