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Tool to print expiration date of ed25519_signing_cert

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This commit is contained in:
rl1987 2018-06-13 13:20:47 +03:00
parent 10c782d7fa
commit 2558634f0c
3 changed files with 79 additions and 2 deletions
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5
src/tools/Makefile.nmake
View File

@ -1,4 +1,4 @@
all: tor-resolve.exe tor-gencert.exe
all: tor-resolve.exe tor-gencert.exe tor-print-ed-signing-cert.exe
CFLAGS = /I ..\win32 /I ..\..\..\build-alpha\include /I ..\common /I ..\or
@ -15,5 +15,8 @@ tor-gencert.exe: tor-gencert.obj
tor-resolve.exe: tor-resolve.obj
$(CC) $(CFLAGS) $(LIBS) ..\common\*.lib tor-resolve.obj
tor-print-ed-signing-cert.exe: tor-print-ed-signing-cert.obj
$(CC) $(CFLAGS) $(LIBS) ..\common\*.lib tor-print-ed-signing-cert.obj
clean:
del *.obj *.lib *.exe

11
src/tools/include.am
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@ -1,4 +1,4 @@
bin_PROGRAMS+= src/tools/tor-resolve src/tools/tor-gencert
bin_PROGRAMS+= src/tools/tor-resolve src/tools/tor-gencert src/tools/tor-print-ed-signing-cert
if COVERAGE_ENABLED
noinst_PROGRAMS+= src/tools/tor-cov-resolve src/tools/tor-cov-gencert
@ -29,6 +29,15 @@ src_tools_tor_gencert_LDADD = \
@TOR_LIB_MATH@ @TOR_ZLIB_LIBS@ @TOR_OPENSSL_LIBS@ \
@TOR_LIB_WS32@ @TOR_LIB_IPHLPAPI@ @TOR_LIB_GDI@ @TOR_LIB_USERENV@ @CURVE25519_LIBS@
src_tools_tor_print_ed_signing_cert_SOURCES = src/tools/tor-print-ed-signing-cert.c
src_tools_tor_print_ed_signing_cert_LDFLAGS = @TOR_LDFLAGS_zlib@ @TOR_LDFLAGS_openssl@
src_tools_tor_print_ed_signing_cert_LDADD = \
src/trunnel/libor-trunnel.a \
$(TOR_CRYPTO_LIBS) \
$(TOR_UTIL_LIBS) \
@TOR_LIB_MATH@ @TOR_OPENSSL_LIBS@ \
@TOR_LIB_WS32@ @TOR_LIB_USERENV@
if COVERAGE_ENABLED
src_tools_tor_cov_gencert_SOURCES = src/tools/tor-gencert.c
src_tools_tor_cov_gencert_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_CPPFLAGS)

65
src/tools/tor-print-ed-signing-cert.c Normal file
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@ -0,0 +1,65 @@
/* Copyright (c) 2007-2018, The Tor Project, Inc. */
/* See LICENSE for licensing information */
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include "ed25519_cert.h"
#include "lib/crypt_ops/crypto_format.h"
#include "lib/malloc/util_malloc.h"
int
main(int argc, char **argv)
{
ed25519_cert_t *cert = NULL;
if (argc != 2) {
fprintf(stderr, "Usage:\n");
fprintf(stderr, "%s <path to ed25519_signing_cert file>\n", argv[0]);
return -1;
}
const char *filepath = argv[1];
char *got_tag = NULL;
uint8_t certbuf[256];
ssize_t cert_body_len = crypto_read_tagged_contents_from_file(
filepath, "ed25519v1-cert",
&got_tag, certbuf, sizeof(certbuf));
if (cert_body_len <= 0) {
fprintf(stderr, "crypto_read_tagged_contents_from_file failed with "
"error: %s\n", strerror(errno));
return -2;
}
if (!got_tag) {
fprintf(stderr, "Found no tag\n");
return -3;
}
if (strcmp(got_tag, "type4") != 0) {
fprintf(stderr, "Wrong tag: %s\n", got_tag);
return -4;
}
tor_free(got_tag);
ssize_t parsed = ed25519_cert_parse(&cert, certbuf, cert_body_len);
if (parsed <= 0) {
fprintf(stderr, "ed25519_cert_parse failed with return value %zd\n",
parsed);
return -5;
}
time_t expires_at = (time_t)cert->exp_field * 60 * 60;
printf("Expires at: %s", ctime(&expires_at));
ed25519_cert_free(cert);
return 0;
}