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https://github.com/ElementsProject/lightning.git
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56 lines
1.4 KiB
C
56 lines
1.4 KiB
C
#include "hsm_control.h"
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#include "lightningd.h"
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#include "subdaemon.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 <daemon/log.h>
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#include <lightningd/hsm/gen_hsm_control_wire.h>
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#include <lightningd/hsm/gen_hsm_status_wire.h>
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static void hsm_init_done(struct subdaemon *hsm, const u8 *msg,
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struct lightningd *ld)
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{
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if (!fromwire_hsmctl_init_response(msg, NULL, &ld->dstate.id))
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errx(1, "HSM did not give init response");
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log_info_struct(ld->log, "Our ID: %s", struct pubkey, &ld->dstate.id);
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io_break(ld->hsm);
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}
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static void hsm_finished(struct subdaemon *hsm, int status)
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{
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if (WIFEXITED(status))
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errx(1, "HSM failed (exit status %i), exiting.",
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WEXITSTATUS(status));
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errx(1, "HSM failed (signal %u), exiting.", WTERMSIG(status));
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}
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void hsm_init(struct lightningd *ld, bool newdir)
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{
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bool create;
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ld->hsm = new_subdaemon(ld, ld, "lightningd_hsm",
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hsm_status_wire_type_name,
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hsm_control_wire_type_name,
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hsm_finished, -1);
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if (!ld->hsm)
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err(1, "Could not subdaemon hsm");
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if (newdir)
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create = true;
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else
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create = (access("hsm_secret", F_OK) != 0);
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if (create)
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subdaemon_req(ld->hsm, take(towire_hsmctl_init_new(ld->hsm)),
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-1, NULL, hsm_init_done, ld);
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else
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subdaemon_req(ld->hsm, take(towire_hsmctl_init_load(ld->hsm)),
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-1, NULL, hsm_init_done, ld);
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if (io_loop(NULL, NULL) != ld->hsm)
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errx(1, "Unexpected io exit during HSM startup");
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}
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