From 06a79af200b5ad0e5f5f078dc726c20c78f11885 Mon Sep 17 00:00:00 2001 From: FdaSilvaYY Date: Sat, 6 Aug 2016 14:19:03 +0200 Subject: [PATCH] Fix some magic values about revocation info type... Add comments, document -valid option. Add some const qualifiers. Reviewed-by: Andy Polyakov Reviewed-by: Rich Salz (Merged from https://github.com/openssl/openssl/pull/1560) --- apps/apps.h | 7 ++-- apps/ca.c | 99 +++++++++++++++++++++++++---------------------------- 2 files changed, 51 insertions(+), 55 deletions(-) diff --git a/apps/apps.h b/apps/apps.h index 85b65191bd..176150164d 100644 --- a/apps/apps.h +++ b/apps/apps.h @@ -456,9 +456,10 @@ int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold, * disabled */ # define DB_NUMBER 6 -# define DB_TYPE_REV 'R' -# define DB_TYPE_EXP 'E' -# define DB_TYPE_VAL 'V' +# define DB_TYPE_REV 'R' /* Revoked */ +# define DB_TYPE_EXP 'E' /* Expired */ +# define DB_TYPE_VAL 'V' /* Valid ; inserted with: ca ... -valid */ +# define DB_TYPE_SUSP 'S' /* Suspended */ typedef struct db_attr_st { int unique_subject; diff --git a/apps/ca.c b/apps/ca.c index 34dfd9b956..ecd628ff62 100644 --- a/apps/ca.c +++ b/apps/ca.c @@ -82,12 +82,14 @@ #define ENV_DATABASE "database" /* Additional revocation information types */ - -#define REV_NONE 0 /* No additional information */ -#define REV_CRL_REASON 1 /* Value is CRL reason code */ -#define REV_HOLD 2 /* Value is hold instruction */ -#define REV_KEY_COMPROMISE 3 /* Value is cert key compromise time */ -#define REV_CA_COMPROMISE 4 /* Value is CA key compromise time */ +typedef enum { + REV_VALID = -1, /* Valid (not-revoked) status */ + REV_NONE = 0, /* No additional information */ + REV_CRL_REASON = 1, /* Value is CRL reason code */ + REV_HOLD = 2, /* Value is hold instruction */ + REV_KEY_COMPROMISE = 3, /* Value is cert key compromise time */ + REV_CA_COMPROMISE = 4 /* Value is CA key compromise time */ +} REVINFO_TYPE; static char *lookup_conf(const CONF *conf, const char *group, const char *tag); @@ -117,7 +119,6 @@ static int certify_spkac(X509 **xret, const char *infile, EVP_PKEY *pkey, const char *enddate, long days, const char *ext_sect, CONF *conf, int verbose, unsigned long certopt, unsigned long nameopt, int default_op, int ext_copy); -static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext); static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, const EVP_MD *dgst, STACK_OF(OPENSSL_STRING) *sigopts, STACK_OF(CONF_VALUE) *policy, CA_DB *db, BIGNUM *serial, @@ -126,13 +127,15 @@ static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, int batch, int verbose, X509_REQ *req, const char *ext_sect, CONF *conf, unsigned long certopt, unsigned long nameopt, int default_op, int ext_copy, int selfsign); -static int do_revoke(X509 *x509, CA_DB *db, int ext, char *extval); static int get_certificate_status(const char *ser_status, CA_DB *db); static int do_updatedb(CA_DB *db); static int check_time_format(const char *str); -char *make_revocation_str(int rev_type, char *rev_arg); -int make_revoked(X509_REVOKED *rev, const char *str); +static int do_revoke(X509 *x509, CA_DB *db, REVINFO_TYPE rev_type, + const char *extval); +static char *make_revocation_str(REVINFO_TYPE rev_type, const char *rev_arg); +static int make_revoked(X509_REVOKED *rev, const char *str); static int old_entry_print(const ASN1_OBJECT *obj, const ASN1_STRING *str); +static void write_new_certificate(BIO *bp, X509 *x, int output_der, int notext); static CONF *extconf = NULL; static int preserve = 0; @@ -148,8 +151,8 @@ typedef enum OPTION_choice { OPT_GENCRL, OPT_MSIE_HACK, OPT_CRLDAYS, OPT_CRLHOURS, OPT_CRLSEC, OPT_INFILES, OPT_SS_CERT, OPT_SPKAC, OPT_REVOKE, OPT_VALID, OPT_EXTENSIONS, OPT_EXTFILE, OPT_STATUS, OPT_UPDATEDB, OPT_CRLEXTS, - OPT_CRL_REASON, OPT_CRL_HOLD, OPT_CRL_COMPROMISE, - OPT_CRL_CA_COMPROMISE + /* Do not change the order here; see related case statements below */ + OPT_CRL_REASON, OPT_CRL_HOLD, OPT_CRL_COMPROMISE, OPT_CRL_CA_COMPROMISE } OPTION_CHOICE; OPTIONS ca_options[] = { @@ -250,10 +253,11 @@ int ca_main(int argc, char **argv) int batch = 0, default_op = 1, doupdatedb = 0, ext_copy = EXT_COPY_NONE; int keyformat = FORMAT_PEM, multirdn = 0, notext = 0, output_der = 0; int ret = 1, email_dn = 1, req = 0, verbose = 0, gencrl = 0, dorevoke = 0; - int i, j, rev_type = REV_NONE, selfsign = 0; + int i, j, selfsign = 0; long crldays = 0, crlhours = 0, crlsec = 0, days = 0; unsigned long chtype = MBSTRING_ASC, nameopt = 0, certopt = 0; X509 *x509 = NULL, *x509p = NULL, *x = NULL; + REVINFO_TYPE rev_type = REV_NONE; X509_REVOKED *r = NULL; OPTION_CHOICE o; @@ -403,21 +407,12 @@ opthelp: case OPT_CRLEXTS: crl_ext = opt_arg(); break; - case OPT_CRL_REASON: - rev_arg = opt_arg(); - rev_type = REV_CRL_REASON; - break; + case OPT_CRL_REASON: /* := REV_CRL_REASON */ case OPT_CRL_HOLD: - rev_arg = opt_arg(); - rev_type = REV_HOLD; - break; case OPT_CRL_COMPROMISE: - rev_arg = opt_arg(); - rev_type = REV_KEY_COMPROMISE; - break; case OPT_CRL_CA_COMPROMISE: rev_arg = opt_arg(); - rev_type = REV_CA_COMPROMISE; + rev_type = (o - OPT_CRL_REASON) + REV_CRL_REASON; break; case OPT_ENGINE: e = setup_engine(opt_arg(), 0); @@ -1199,7 +1194,7 @@ end_of_options: if (revcert == NULL) goto end; if (dorevoke == 2) - rev_type = -1; + rev_type = REV_VALID; j = do_revoke(revcert, db, rev_type, rev_arg); if (j <= 0) goto end; @@ -1640,16 +1635,16 @@ static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, if (rrow != NULL) { BIO_printf(bio_err, "The matching entry has the following details\n"); - if (rrow[DB_type][0] == 'E') + if (rrow[DB_type][0] == DB_TYPE_EXP) p = "Expired"; - else if (rrow[DB_type][0] == 'R') + else if (rrow[DB_type][0] == DB_TYPE_REV) p = "Revoked"; - else if (rrow[DB_type][0] == 'V') + else if (rrow[DB_type][0] == DB_TYPE_VAL) p = "Valid"; else p = "\ninvalid type, Data base error\n"; BIO_printf(bio_err, "Type :%s\n", p);; - if (rrow[DB_type][0] == 'R') { + if (rrow[DB_type][0] == DB_TYPE_REV) { p = rrow[DB_exp_date]; if (p == NULL) p = "undef"; @@ -1821,7 +1816,7 @@ static int do_body(X509 **xret, EVP_PKEY *pkey, X509 *x509, if (!do_X509_sign(ret, pkey, dgst, sigopts)) goto end; - /* We now just add it to the database */ + /* We now just add it to the database as DB_TYPE_VAL('V') */ row[DB_type] = OPENSSL_strdup("V"); tm = X509_get0_notAfter(ret); row[DB_exp_date] = app_malloc(tm->length + 1, "row expdate"); @@ -2020,7 +2015,8 @@ static int check_time_format(const char *str) return ASN1_TIME_set_string(NULL, str); } -static int do_revoke(X509 *x509, CA_DB *db, int type, char *value) +static int do_revoke(X509 *x509, CA_DB *db, REVINFO_TYPE rev_type, + const char *value) { const ASN1_TIME *tm = NULL; char *row[DB_NUMBER], **rrow, **irow; @@ -2053,7 +2049,7 @@ static int do_revoke(X509 *x509, CA_DB *db, int type, char *value) "Adding Entry with serial number %s to DB for %s\n", row[DB_serial], row[DB_name]); - /* We now just add it to the database */ + /* We now just add it to the database as DB_TYPE_REV('V') */ row[DB_type] = OPENSSL_strdup("V"); tm = X509_get0_notAfter(x509); row[DB_exp_date] = app_malloc(tm->length + 1, "row exp_data"); @@ -2076,32 +2072,33 @@ static int do_revoke(X509 *x509, CA_DB *db, int type, char *value) } /* Revoke Certificate */ - if (type == -1) + if (rev_type == REV_VALID) ok = 1; else - ok = do_revoke(x509, db, type, value); + /* Retry revocation after DB insertion */ + ok = do_revoke(x509, db, rev_type, value); goto end; } else if (index_name_cmp_noconst(row, rrow)) { BIO_printf(bio_err, "ERROR:name does not match %s\n", row[DB_name]); goto end; - } else if (type == -1) { + } else if (rev_type == REV_VALID) { BIO_printf(bio_err, "ERROR:Already present, serial number %s\n", row[DB_serial]); goto end; - } else if (rrow[DB_type][0] == 'R') { + } else if (rrow[DB_type][0] == DB_TYPE_REV) { BIO_printf(bio_err, "ERROR:Already revoked, serial number %s\n", row[DB_serial]); goto end; } else { BIO_printf(bio_err, "Revoking Certificate %s.\n", rrow[DB_serial]); - rev_str = make_revocation_str(type, value); + rev_str = make_revocation_str(rev_type, value); if (!rev_str) { BIO_printf(bio_err, "Error in revocation arguments\n"); goto end; } - rrow[DB_type][0] = 'R'; + rrow[DB_type][0] = DB_TYPE_REV; rrow[DB_type][1] = '\0'; rrow[DB_rev_date] = rev_str; } @@ -2153,19 +2150,19 @@ static int get_certificate_status(const char *serial, CA_DB *db) BIO_printf(bio_err, "Serial %s not present in db.\n", row[DB_serial]); ok = -1; goto end; - } else if (rrow[DB_type][0] == 'V') { + } else if (rrow[DB_type][0] == DB_TYPE_VAL) { BIO_printf(bio_err, "%s=Valid (%c)\n", row[DB_serial], rrow[DB_type][0]); goto end; - } else if (rrow[DB_type][0] == 'R') { + } else if (rrow[DB_type][0] == DB_TYPE_REV) { BIO_printf(bio_err, "%s=Revoked (%c)\n", row[DB_serial], rrow[DB_type][0]); goto end; - } else if (rrow[DB_type][0] == 'E') { + } else if (rrow[DB_type][0] == DB_TYPE_EXP) { BIO_printf(bio_err, "%s=Expired (%c)\n", row[DB_serial], rrow[DB_type][0]); goto end; - } else if (rrow[DB_type][0] == 'S') { + } else if (rrow[DB_type][0] == DB_TYPE_SUSP) { BIO_printf(bio_err, "%s=Suspended (%c)\n", row[DB_serial], rrow[DB_type][0]); goto end; @@ -2207,7 +2204,7 @@ static int do_updatedb(CA_DB *db) for (i = 0; i < sk_OPENSSL_PSTRING_num(db->db->data); i++) { rrow = sk_OPENSSL_PSTRING_value(db->db->data, i); - if (rrow[DB_type][0] == 'V') { + if (rrow[DB_type][0] == DB_TYPE_VAL) { /* ignore entries that are not valid */ if (strncmp(rrow[DB_exp_date], "49", 2) <= 0) db_y2k = 1; @@ -2217,14 +2214,14 @@ static int do_updatedb(CA_DB *db) if (db_y2k == a_y2k) { /* all on the same y2k side */ if (strcmp(rrow[DB_exp_date], a_tm_s) <= 0) { - rrow[DB_type][0] = 'E'; + rrow[DB_type][0] = DB_TYPE_EXP; rrow[DB_type][1] = '\0'; cnt++; BIO_printf(bio_err, "%s=Expired\n", rrow[DB_serial]); } } else if (db_y2k < a_y2k) { - rrow[DB_type][0] = 'E'; + rrow[DB_type][0] = DB_TYPE_EXP; rrow[DB_type][1] = '\0'; cnt++; @@ -2264,16 +2261,17 @@ static const char *crl_reasons[] = { * additional argument */ -char *make_revocation_str(int rev_type, char *rev_arg) +static char *make_revocation_str(REVINFO_TYPE rev_type, const char *rev_arg) { char *str; - const char *other = NULL; - const char *reason = NULL; + const char *reason = NULL, *other = NULL; ASN1_OBJECT *otmp; ASN1_UTCTIME *revtm = NULL; int i; + switch (rev_type) { case REV_NONE: + case REV_VALID: break; case REV_CRL_REASON: @@ -2291,7 +2289,6 @@ char *make_revocation_str(int rev_type, char *rev_arg) case REV_HOLD: /* Argument is an OID */ - otmp = OBJ_txt2obj(rev_arg, 0); ASN1_OBJECT_free(otmp); @@ -2306,7 +2303,6 @@ char *make_revocation_str(int rev_type, char *rev_arg) case REV_KEY_COMPROMISE: case REV_CA_COMPROMISE: - /* Argument is the key compromise time */ if (!ASN1_GENERALIZEDTIME_set_string(NULL, rev_arg)) { BIO_printf(bio_err, @@ -2321,7 +2317,6 @@ char *make_revocation_str(int rev_type, char *rev_arg) reason = "CAkeyTime"; break; - } revtm = X509_gmtime_adj(NULL, 0); @@ -2358,7 +2353,7 @@ char *make_revocation_str(int rev_type, char *rev_arg) * 2 OK and some extensions added (i.e. V2 CRL) */ -int make_revoked(X509_REVOKED *rev, const char *str) +static int make_revoked(X509_REVOKED *rev, const char *str) { char *tmp = NULL; int reason_code = -1; -- 2.34.1