53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
#include "hsm_control.h"
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#include "lightningd.h"
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#include "subd.h"
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#include <ccan/err/err.h>
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#include <ccan/io/io.h>
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#include <ccan/take/take.h>
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#include <common/status.h>
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#include <common/utils.h>
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#include <errno.h>
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#include <hsmd/gen_hsm_client_wire.h>
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#include <inttypes.h>
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#include <lightningd/hsm_control.h>
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#include <lightningd/log.h>
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#include <lightningd/log_status.h>
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#include <string.h>
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#include <wally_bip32.h>
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#include <wire/wire_sync.h>
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u8 *hsm_sync_read(const tal_t *ctx, struct lightningd *ld)
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{
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for (;;) {
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u8 *msg = wire_sync_read(ctx, ld->hsm_fd);
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if (!msg)
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fatal("Could not read from HSM: %s", strerror(errno));
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if (log_status_msg(ld->log, msg))
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tal_free(msg);
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else
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return msg;
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}
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}
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void hsm_init(struct lightningd *ld)
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{
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u8 *msg;
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ld->hsm_fd = subd_raw(ld, "lightning_hsmd");
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if (ld->hsm_fd < 0)
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err(1, "Could not subd hsm");
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ld->hsm_log = new_log(ld, ld->log_book, "hsmd:");
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if (!wire_sync_write(ld->hsm_fd, towire_hsm_init(tmpctx)))
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err(1, "Writing init msg to hsm");
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ld->wallet->bip32_base = tal(ld->wallet, struct ext_key);
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msg = hsm_sync_read(tmpctx, ld);
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if (!fromwire_hsm_init_reply(msg,
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&ld->id,
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&ld->peer_seed,
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ld->wallet->bip32_base))
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errx(1, "HSM did not give init reply");
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}
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