diff options
| -rw-r--r-- | crypto/asymmetric_keys/x509_cert_parser.c | 25 | ||||
| -rw-r--r-- | crypto/asymmetric_keys/x509_parser.h | 4 | ||||
| -rw-r--r-- | crypto/asymmetric_keys/x509_public_key.c | 42 |
3 files changed, 51 insertions, 20 deletions
diff --git a/crypto/asymmetric_keys/x509_cert_parser.c b/crypto/asymmetric_keys/x509_cert_parser.c index 8fcac94..db07e8c 100644 --- a/crypto/asymmetric_keys/x509_cert_parser.c +++ b/crypto/asymmetric_keys/x509_cert_parser.c @@ -434,11 +434,10 @@ int x509_process_extension(void *context, size_t hdrlen, /* * Record a certificate time. */ -static int x509_note_time(time_t *_time, size_t hdrlen, +static int x509_note_time(struct tm *tm, size_t hdrlen, unsigned char tag, const unsigned char *value, size_t vlen) { - unsigned YY, MM, DD, hh, mm, ss; const unsigned char *p = value; #define dec2bin(X) ((X) - '0') @@ -448,30 +447,30 @@ static int x509_note_time(time_t *_time, size_t hdrlen, /* UTCTime: YYMMDDHHMMSSZ */ if (vlen != 13) goto unsupported_time; - YY = DD2bin(p); - if (YY > 50) - YY += 1900; + tm->tm_year = DD2bin(p); + if (tm->tm_year >= 50) + tm->tm_year += 1900; else - YY += 2000; + tm->tm_year += 2000; } else if (tag == ASN1_GENTIM) { /* GenTime: YYYYMMDDHHMMSSZ */ if (vlen != 15) goto unsupported_time; - YY = DD2bin(p) * 100 + DD2bin(p); + tm->tm_year = DD2bin(p) * 100 + DD2bin(p); } else { goto unsupported_time; } - MM = DD2bin(p); - DD = DD2bin(p); - hh = DD2bin(p); - mm = DD2bin(p); - ss = DD2bin(p); + tm->tm_year -= 1900; + tm->tm_mon = DD2bin(p) - 1; + tm->tm_mday = DD2bin(p); + tm->tm_hour = DD2bin(p); + tm->tm_min = DD2bin(p); + tm->tm_sec = DD2bin(p); if (*p != 'Z') goto unsupported_time; - *_time = mktime(YY, MM, DD, hh, mm, ss); return 0; unsupported_time: diff --git a/crypto/asymmetric_keys/x509_parser.h b/crypto/asymmetric_keys/x509_parser.h index 635053f..f86dc5f 100644 --- a/crypto/asymmetric_keys/x509_parser.h +++ b/crypto/asymmetric_keys/x509_parser.h @@ -18,8 +18,8 @@ struct x509_certificate { char *subject; /* Name of certificate subject */ char *fingerprint; /* Key fingerprint as hex */ char *authority; /* Authority key fingerprint as hex */ - time_t valid_from; - time_t valid_to; + struct tm valid_from; + struct tm valid_to; enum pkey_algo pkey_algo : 8; /* Public key algorithm */ enum pkey_algo sig_pkey_algo : 8; /* Signature public key algorithm */ enum pkey_hash_algo sig_hash_algo : 8; /* Signature hash algorithm */ diff --git a/crypto/asymmetric_keys/x509_public_key.c b/crypto/asymmetric_keys/x509_public_key.c index 716917c..5ab736d 100644 --- a/crypto/asymmetric_keys/x509_public_key.c +++ b/crypto/asymmetric_keys/x509_public_key.c @@ -106,7 +106,7 @@ error_no_sig: static int x509_key_preparse(struct key_preparsed_payload *prep) { struct x509_certificate *cert; - time_t now; + struct tm now; size_t srlen, sulen; char *desc = NULL; int ret; @@ -118,7 +118,14 @@ static int x509_key_preparse(struct key_preparsed_payload *prep) pr_devel("Cert Issuer: %s\n", cert->issuer); pr_devel("Cert Subject: %s\n", cert->subject); pr_devel("Cert Key Algo: %s\n", pkey_algo[cert->pkey_algo]); - pr_devel("Cert Valid: %lu - %lu\n", cert->valid_from, cert->valid_to); + printk("Cert Valid From: %04ld-%02d-%02d %02d:%02d:%02d\n", + cert->valid_from.tm_year + 1900, cert->valid_from.tm_mon + 1, + cert->valid_from.tm_mday, cert->valid_from.tm_hour, + cert->valid_from.tm_min, cert->valid_from.tm_sec); + printk("Cert Valid To: %04ld-%02d-%02d %02d:%02d:%02d\n", + cert->valid_to.tm_year + 1900, cert->valid_to.tm_mon + 1, + cert->valid_to.tm_mday, cert->valid_to.tm_hour, + cert->valid_to.tm_min, cert->valid_to.tm_sec); pr_devel("Cert Signature: %s + %s\n", pkey_algo[cert->sig_pkey_algo], pkey_hash_algo[cert->sig_hash_algo]); @@ -130,13 +137,38 @@ static int x509_key_preparse(struct key_preparsed_payload *prep) goto error_free_cert; } - now = CURRENT_TIME.tv_sec; - if (now < cert->valid_from) { + time_to_tm(CURRENT_TIME.tv_sec, 0, &now); + printk("Now: %04ld-%02d-%02d %02d:%02d:%02d\n", + now.tm_year + 1900, now.tm_mon + 1, now.tm_mday, + now.tm_hour, now.tm_min, now.tm_sec); + if (now.tm_year < cert->valid_from.tm_year || + (now.tm_year == cert->valid_from.tm_year && + (now.tm_mon < cert->valid_from.tm_mon || + (now.tm_mon == cert->valid_from.tm_mon && + (now.tm_mday < cert->valid_from.tm_mday || + (now.tm_mday == cert->valid_from.tm_mday && + (now.tm_hour < cert->valid_from.tm_hour || + (now.tm_hour == cert->valid_from.tm_hour && + (now.tm_min < cert->valid_from.tm_min || + (now.tm_min == cert->valid_from.tm_min && + (now.tm_sec < cert->valid_from.tm_sec + ))))))))))) { pr_warn("Cert %s is not yet valid\n", cert->fingerprint); ret = -EKEYREJECTED; goto error_free_cert; } - if (now >= cert->valid_to) { + if (now.tm_year > cert->valid_to.tm_year || + (now.tm_year == cert->valid_to.tm_year && + (now.tm_mon > cert->valid_to.tm_mon || + (now.tm_mon == cert->valid_to.tm_mon && + (now.tm_mday > cert->valid_to.tm_mday || + (now.tm_mday == cert->valid_to.tm_mday && + (now.tm_hour > cert->valid_to.tm_hour || + (now.tm_hour == cert->valid_to.tm_hour && + (now.tm_min > cert->valid_to.tm_min || + (now.tm_min == cert->valid_to.tm_min && + (now.tm_sec > cert->valid_to.tm_sec + ))))))))))) { pr_warn("Cert %s has expired\n", cert->fingerprint); ret = -EKEYEXPIRED; goto error_free_cert; |
