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Diffstat (limited to 'deps/openssl/openssl/apps/req.c')
-rw-r--r--deps/openssl/openssl/apps/req.c509
1 files changed, 332 insertions, 177 deletions
diff --git a/deps/openssl/openssl/apps/req.c b/deps/openssl/openssl/apps/req.c
index a20e7c1ef1..6fd28a2aba 100644
--- a/deps/openssl/openssl/apps/req.c
+++ b/deps/openssl/openssl/apps/req.c
@@ -11,7 +11,9 @@
#include <stdlib.h>
#include <time.h>
#include <string.h>
+#include <ctype.h>
#include "apps.h"
+#include "progs.h"
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/conf.h>
@@ -22,6 +24,7 @@
#include <openssl/objects.h>
#include <openssl/pem.h>
#include <openssl/bn.h>
+#include <openssl/lhash.h>
#ifndef OPENSSL_NO_RSA
# include <openssl/rsa.h>
#endif
@@ -62,27 +65,36 @@ static int add_DN_object(X509_NAME *n, char *text, const char *def,
char *value, int nid, int n_min, int n_max,
unsigned long chtype, int mval);
static int genpkey_cb(EVP_PKEY_CTX *ctx);
+static int build_data(char *text, const char *def,
+ char *value, int n_min, int n_max,
+ char *buf, const int buf_size,
+ const char *desc1, const char *desc2
+ );
static int req_check_len(int len, int n_min, int n_max);
static int check_end(const char *str, const char *end);
+static int join(char buf[], size_t buf_size, const char *name,
+ const char *tail, const char *desc);
static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
int *pkey_type, long *pkeylen,
char **palgnam, ENGINE *keygen_engine);
static CONF *req_conf = NULL;
+static CONF *addext_conf = NULL;
static int batch = 0;
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_INFORM, OPT_OUTFORM, OPT_ENGINE, OPT_KEYGEN_ENGINE, OPT_KEY,
OPT_PUBKEY, OPT_NEW, OPT_CONFIG, OPT_KEYFORM, OPT_IN, OPT_OUT,
- OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_RAND, OPT_NEWKEY,
+ OPT_KEYOUT, OPT_PASSIN, OPT_PASSOUT, OPT_NEWKEY,
OPT_PKEYOPT, OPT_SIGOPT, OPT_BATCH, OPT_NEWHDR, OPT_MODULUS,
OPT_VERIFY, OPT_NODES, OPT_NOOUT, OPT_VERBOSE, OPT_UTF8,
OPT_NAMEOPT, OPT_REQOPT, OPT_SUBJ, OPT_SUBJECT, OPT_TEXT, OPT_X509,
- OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_EXTENSIONS,
- OPT_REQEXTS, OPT_MD
+ OPT_MULTIVALUE_RDN, OPT_DAYS, OPT_SET_SERIAL, OPT_ADDEXT, OPT_EXTENSIONS,
+ OPT_REQEXTS, OPT_PRECERT, OPT_MD,
+ OPT_R_ENUM
} OPTION_CHOICE;
-OPTIONS req_options[] = {
+const OPTIONS req_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"inform", OPT_INFORM, 'F', "Input format - DER or PEM"},
{"outform", OPT_OUTFORM, 'F', "Output format - DER or PEM"},
@@ -96,8 +108,7 @@ OPTIONS req_options[] = {
{"keyout", OPT_KEYOUT, '>', "File to send the key to"},
{"passin", OPT_PASSIN, 's', "Private key password source"},
{"passout", OPT_PASSOUT, 's', "Output file pass phrase source"},
- {"rand", OPT_RAND, 's',
- "Load the file(s) into the random number generator"},
+ OPT_R_OPTIONS,
{"newkey", OPT_NEWKEY, 's', "Specify as type:bits"},
{"pkeyopt", OPT_PKEYOPT, 's', "Public key options as opt:value"},
{"sigopt", OPT_SIGOPT, 's', "Signature parameter in n:v form"},
@@ -122,10 +133,13 @@ OPTIONS req_options[] = {
"Enable support for multivalued RDNs"},
{"days", OPT_DAYS, 'p', "Number of days cert is valid for"},
{"set_serial", OPT_SET_SERIAL, 's', "Serial number to use"},
+ {"addext", OPT_ADDEXT, 's',
+ "Additional cert extension key=value pair (may be given more than once)"},
{"extensions", OPT_EXTENSIONS, 's',
"Cert extension section (override value in config file)"},
{"reqexts", OPT_REQEXTS, 's',
"Request extension section (override value in config file)"},
+ {"precert", OPT_PRECERT, '-', "Add a poison extension (implies -new)"},
{"", OPT_MD, '-', "Any supported digest"},
#ifndef OPENSSL_NO_ENGINE
{"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"},
@@ -135,6 +149,66 @@ OPTIONS req_options[] = {
{NULL}
};
+
+/*
+ * An LHASH of strings, where each string is an extension name.
+ */
+static unsigned long ext_name_hash(const OPENSSL_STRING *a)
+{
+ return OPENSSL_LH_strhash((const char *)a);
+}
+
+static int ext_name_cmp(const OPENSSL_STRING *a, const OPENSSL_STRING *b)
+{
+ return strcmp((const char *)a, (const char *)b);
+}
+
+static void exts_cleanup(OPENSSL_STRING *x)
+{
+ OPENSSL_free((char *)x);
+}
+
+/*
+ * Is the |kv| key already duplicated? This is remarkably tricky to get
+ * right. Return 0 if unique, -1 on runtime error; 1 if found or a syntax
+ * error.
+ */
+static int duplicated(LHASH_OF(OPENSSL_STRING) *addexts, char *kv)
+{
+ char *p;
+ size_t off;
+
+ /* Check syntax. */
+ /* Skip leading whitespace, make a copy. */
+ while (*kv && isspace(*kv))
+ if (*++kv == '\0')
+ return 1;
+ if ((p = strchr(kv, '=')) == NULL)
+ return 1;
+ off = p - kv;
+ if ((kv = OPENSSL_strdup(kv)) == NULL)
+ return -1;
+
+ /* Skip trailing space before the equal sign. */
+ for (p = kv + off; p > kv; --p)
+ if (!isspace(p[-1]))
+ break;
+ if (p == kv) {
+ OPENSSL_free(kv);
+ return 1;
+ }
+ *p = '\0';
+
+ /* Finally have a clean "key"; see if it's there [by attempt to add it]. */
+ if ((p = (char *)lh_OPENSSL_STRING_insert(addexts, (OPENSSL_STRING*)kv))
+ != NULL || lh_OPENSSL_STRING_error(addexts)) {
+ OPENSSL_free(p != NULL ? p : kv);
+ return -1;
+ }
+
+ return 0;
+}
+
int req_main(int argc, char **argv)
{
ASN1_INTEGER *serial = NULL;
@@ -143,12 +217,14 @@ int req_main(int argc, char **argv)
EVP_PKEY *pkey = NULL;
EVP_PKEY_CTX *genctx = NULL;
STACK_OF(OPENSSL_STRING) *pkeyopts = NULL, *sigopts = NULL;
+ LHASH_OF(OPENSSL_STRING) *addexts = NULL;
X509 *x509ss = NULL;
X509_REQ *req = NULL;
const EVP_CIPHER *cipher = NULL;
const EVP_MD *md_alg = NULL, *digest = NULL;
+ BIO *addext_bio = NULL;
char *extensions = NULL, *infile = NULL;
- char *outfile = NULL, *keyfile = NULL, *inrand = NULL;
+ char *outfile = NULL, *keyfile = NULL;
char *keyalgstr = NULL, *p, *prog, *passargin = NULL, *passargout = NULL;
char *passin = NULL, *passout = NULL;
char *nofree_passin = NULL, *nofree_passout = NULL;
@@ -156,14 +232,13 @@ int req_main(int argc, char **argv)
char *template = default_config_file, *keyout = NULL;
const char *keyalg = NULL;
OPTION_CHOICE o;
- int ret = 1, x509 = 0, days = 30, i = 0, newreq = 0, verbose = 0;
+ int ret = 1, x509 = 0, days = 0, i = 0, newreq = 0, verbose = 0;
int pkey_type = -1, private = 0;
int informat = FORMAT_PEM, outformat = FORMAT_PEM, keyform = FORMAT_PEM;
int modulus = 0, multirdn = 0, verify = 0, noout = 0, text = 0;
- int nodes = 0, newhdr = 0, subject = 0, pubkey = 0;
+ int nodes = 0, newhdr = 0, subject = 0, pubkey = 0, precert = 0;
long newkey = -1;
- unsigned long chtype = MBSTRING_ASC, nmflag = 0, reqflag = 0;
- char nmflag_set = 0;
+ unsigned long chtype = MBSTRING_ASC, reqflag = 0;
#ifndef OPENSSL_NO_DES
cipher = EVP_des_ede3_cbc();
@@ -232,8 +307,9 @@ int req_main(int argc, char **argv)
case OPT_PASSOUT:
passargout = opt_arg();
break;
- case OPT_RAND:
- inrand = opt_arg();
+ case OPT_R_CASES:
+ if (!opt_rand(o))
+ goto end;
break;
case OPT_NEWKEY:
keyalg = opt_arg();
@@ -276,8 +352,7 @@ int req_main(int argc, char **argv)
chtype = MBSTRING_UTF8;
break;
case OPT_NAMEOPT:
- nmflag_set = 1;
- if (!set_name_ex(&nmflag, opt_arg()))
+ if (!set_nameopt(opt_arg()))
goto opthelp;
break;
case OPT_REQOPT:
@@ -311,12 +386,29 @@ int req_main(int argc, char **argv)
case OPT_MULTIVALUE_RDN:
multirdn = 1;
break;
+ case OPT_ADDEXT:
+ p = opt_arg();
+ if (addexts == NULL) {
+ addexts = lh_OPENSSL_STRING_new(ext_name_hash, ext_name_cmp);
+ addext_bio = BIO_new(BIO_s_mem());
+ if (addexts == NULL || addext_bio == NULL)
+ goto end;
+ }
+ i = duplicated(addexts, p);
+ if (i == 1)
+ goto opthelp;
+ if (i < 0 || BIO_printf(addext_bio, "%s\n", opt_arg()) < 0)
+ goto end;
+ break;
case OPT_EXTENSIONS:
extensions = opt_arg();
break;
case OPT_REQEXTS:
req_exts = opt_arg();
break;
+ case OPT_PRECERT:
+ newreq = precert = 1;
+ break;
case OPT_MD:
if (!opt_md(opt_unknown(), &md_alg))
goto opthelp;
@@ -328,12 +420,11 @@ int req_main(int argc, char **argv)
if (argc != 0)
goto opthelp;
+ if (days && !x509)
+ BIO_printf(bio_err, "Ignoring -days; not generating a certificate\n");
if (x509 && infile == NULL)
newreq = 1;
- if (!nmflag_set)
- nmflag = XN_FLAG_ONELINE;
-
/* TODO: simplify this as pkey is still always NULL here */
private = newreq && (pkey == NULL) ? 1 : 0;
@@ -345,6 +436,12 @@ int req_main(int argc, char **argv)
if (verbose)
BIO_printf(bio_err, "Using configuration from %s\n", template);
req_conf = app_load_config(template);
+ if (addext_bio) {
+ if (verbose)
+ BIO_printf(bio_err,
+ "Using additional configuration from command line\n");
+ addext_conf = app_load_config_bio(addext_bio, NULL);
+ }
if (template != default_config_file && !app_load_modules(req_conf))
goto end;
@@ -372,21 +469,21 @@ int req_main(int argc, char **argv)
if (md_alg == NULL) {
p = NCONF_get_string(req_conf, SECTION, "default_md");
- if (p == NULL)
+ if (p == NULL) {
ERR_clear_error();
- else {
+ } else {
if (!opt_md(p, &md_alg))
goto opthelp;
digest = md_alg;
}
}
- if (!extensions) {
+ if (extensions == NULL) {
extensions = NCONF_get_string(req_conf, SECTION, V3_EXTENSIONS);
- if (!extensions)
+ if (extensions == NULL)
ERR_clear_error();
}
- if (extensions) {
+ if (extensions != NULL) {
/* Check syntax of file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
@@ -397,6 +494,16 @@ int req_main(int argc, char **argv)
goto end;
}
}
+ if (addext_conf != NULL) {
+ /* Check syntax of command line extensions */
+ X509V3_CTX ctx;
+ X509V3_set_ctx_test(&ctx);
+ X509V3_set_nconf(&ctx, addext_conf);
+ if (!X509V3_EXT_add_nconf(addext_conf, &ctx, "default", NULL)) {
+ BIO_printf(bio_err, "Error Loading command line extensions\n");
+ goto end;
+ }
+ }
if (passin == NULL) {
passin = nofree_passin =
@@ -413,28 +520,28 @@ int req_main(int argc, char **argv)
}
p = NCONF_get_string(req_conf, SECTION, STRING_MASK);
- if (!p)
+ if (p == NULL)
ERR_clear_error();
- if (p && !ASN1_STRING_set_default_mask_asc(p)) {
+ if (p != NULL && !ASN1_STRING_set_default_mask_asc(p)) {
BIO_printf(bio_err, "Invalid global string mask setting %s\n", p);
goto end;
}
if (chtype != MBSTRING_UTF8) {
p = NCONF_get_string(req_conf, SECTION, UTF8_IN);
- if (!p)
+ if (p == NULL)
ERR_clear_error();
else if (strcmp(p, "yes") == 0)
chtype = MBSTRING_UTF8;
}
- if (!req_exts) {
+ if (req_exts == NULL) {
req_exts = NCONF_get_string(req_conf, SECTION, REQ_EXTENSIONS);
- if (!req_exts)
+ if (req_exts == NULL)
ERR_clear_error();
}
- if (req_exts) {
+ if (req_exts != NULL) {
/* Check syntax of file */
X509V3_CTX ctx;
X509V3_set_ctx_test(&ctx);
@@ -449,33 +556,25 @@ int req_main(int argc, char **argv)
if (keyfile != NULL) {
pkey = load_key(keyfile, keyform, 0, passin, e, "Private Key");
- if (!pkey) {
+ if (pkey == NULL) {
/* load_key() has already printed an appropriate message */
goto end;
} else {
- char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
- if (randfile == NULL)
- ERR_clear_error();
- app_RAND_load_file(randfile, 0);
+ app_RAND_load_conf(req_conf, SECTION);
}
}
if (newreq && (pkey == NULL)) {
- char *randfile = NCONF_get_string(req_conf, SECTION, "RANDFILE");
- if (randfile == NULL)
- ERR_clear_error();
- app_RAND_load_file(randfile, 0);
- if (inrand)
- app_RAND_load_files(inrand);
+ app_RAND_load_conf(req_conf, SECTION);
if (!NCONF_get_number(req_conf, SECTION, BITS, &newkey)) {
newkey = DEFAULT_KEY_LENGTH;
}
- if (keyalg) {
+ if (keyalg != NULL) {
genctx = set_keygen_ctx(keyalg, &pkey_type, &newkey,
&keyalgstr, gen_eng);
- if (!genctx)
+ if (genctx == NULL)
goto end;
}
@@ -487,14 +586,28 @@ int req_main(int argc, char **argv)
goto end;
}
- if (!genctx) {
+ if (pkey_type == EVP_PKEY_RSA && newkey > OPENSSL_RSA_MAX_MODULUS_BITS)
+ BIO_printf(bio_err,
+ "Warning: It is not recommended to use more than %d bit for RSA keys.\n"
+ " Your key size is %ld! Larger key size may behave not as expected.\n",
+ OPENSSL_RSA_MAX_MODULUS_BITS, newkey);
+
+#ifndef OPENSSL_NO_DSA
+ if (pkey_type == EVP_PKEY_DSA && newkey > OPENSSL_DSA_MAX_MODULUS_BITS)
+ BIO_printf(bio_err,
+ "Warning: It is not recommended to use more than %d bit for DSA keys.\n"
+ " Your key size is %ld! Larger key size may behave not as expected.\n",
+ OPENSSL_DSA_MAX_MODULUS_BITS, newkey);
+#endif
+
+ if (genctx == NULL) {
genctx = set_keygen_ctx(NULL, &pkey_type, &newkey,
&keyalgstr, gen_eng);
if (!genctx)
goto end;
}
- if (pkeyopts) {
+ if (pkeyopts != NULL) {
char *genopt;
for (i = 0; i < sk_OPENSSL_STRING_num(pkeyopts); i++) {
genopt = sk_OPENSSL_STRING_value(pkeyopts, i);
@@ -523,8 +636,6 @@ int req_main(int argc, char **argv)
EVP_PKEY_CTX_free(genctx);
genctx = NULL;
- app_RAND_write_file(randfile);
-
if (keyout == NULL) {
keyout = NCONF_get_string(req_conf, SECTION, KEYFILE);
if (keyout == NULL)
@@ -610,9 +721,10 @@ int req_main(int argc, char **argv)
goto end;
/* Set version to V3 */
- if (extensions && !X509_set_version(x509ss, 2))
+ if ((extensions != NULL || addext_conf != NULL)
+ && !X509_set_version(x509ss, 2))
goto end;
- if (serial) {
+ if (serial != NULL) {
if (!X509_set_serialNumber(x509ss, serial))
goto end;
} else {
@@ -622,6 +734,10 @@ int req_main(int argc, char **argv)
if (!X509_set_issuer_name(x509ss, X509_REQ_get_subject_name(req)))
goto end;
+ if (days == 0) {
+ /* set default days if it's not specified */
+ days = 30;
+ }
if (!set_cert_times(x509ss, NULL, NULL, days))
goto end;
if (!X509_set_subject_name
@@ -637,13 +753,28 @@ int req_main(int argc, char **argv)
X509V3_set_nconf(&ext_ctx, req_conf);
/* Add extensions */
- if (extensions && !X509V3_EXT_add_nconf(req_conf,
- &ext_ctx, extensions,
- x509ss)) {
+ if (extensions != NULL && !X509V3_EXT_add_nconf(req_conf,
+ &ext_ctx, extensions,
+ x509ss)) {
BIO_printf(bio_err, "Error Loading extension section %s\n",
extensions);
goto end;
}
+ if (addext_conf != NULL
+ && !X509V3_EXT_add_nconf(addext_conf, &ext_ctx, "default",
+ x509ss)) {
+ BIO_printf(bio_err, "Error Loading command line extensions\n");
+ goto end;
+ }
+
+ /* If a pre-cert was requested, we need to add a poison extension */
+ if (precert) {
+ if (X509_add1_ext_i2d(x509ss, NID_ct_precert_poison, NULL, 1, 0)
+ != 1) {
+ BIO_printf(bio_err, "Error adding poison extension\n");
+ goto end;
+ }
+ }
i = do_X509_sign(x509ss, pkey, digest, sigopts);
if (!i) {
@@ -659,13 +790,19 @@ int req_main(int argc, char **argv)
X509V3_set_nconf(&ext_ctx, req_conf);
/* Add extensions */
- if (req_exts && !X509V3_EXT_REQ_add_nconf(req_conf,
- &ext_ctx, req_exts,
- req)) {
+ if (req_exts != NULL
+ && !X509V3_EXT_REQ_add_nconf(req_conf, &ext_ctx,
+ req_exts, req)) {
BIO_printf(bio_err, "Error Loading extension section %s\n",
req_exts);
goto end;
}
+ if (addext_conf != NULL
+ && !X509V3_EXT_REQ_add_nconf(addext_conf, &ext_ctx, "default",
+ req)) {
+ BIO_printf(bio_err, "Error Loading command line extensions\n");
+ goto end;
+ }
i = do_X509_REQ_sign(req, pkey, digest, sigopts);
if (!i) {
ERR_print_errors(bio_err);
@@ -683,7 +820,7 @@ int req_main(int argc, char **argv)
if (verbose) {
BIO_printf(bio_err, "Modifying Request's Subject\n");
print_name(bio_err, "old subject=",
- X509_REQ_get_subject_name(req), nmflag);
+ X509_REQ_get_subject_name(req), get_nameopt());
}
if (build_subject(req, subj, chtype, multirdn) == 0) {
@@ -694,7 +831,7 @@ int req_main(int argc, char **argv)
if (verbose) {
print_name(bio_err, "new subject=",
- X509_REQ_get_subject_name(req), nmflag);
+ X509_REQ_get_subject_name(req), get_nameopt());
}
}
@@ -714,8 +851,9 @@ int req_main(int argc, char **argv)
} else if (i == 0) {
BIO_printf(bio_err, "verify failure\n");
ERR_print_errors(bio_err);
- } else /* if (i > 0) */
+ } else { /* if (i > 0) */
BIO_printf(bio_err, "verify OK\n");
+ }
}
if (noout && !text && !modulus && !subject && !pubkey) {
@@ -743,18 +881,18 @@ int req_main(int argc, char **argv)
if (text) {
if (x509)
- X509_print_ex(out, x509ss, nmflag, reqflag);
+ X509_print_ex(out, x509ss, get_nameopt(), reqflag);
else
- X509_REQ_print_ex(out, req, nmflag, reqflag);
+ X509_REQ_print_ex(out, req, get_nameopt(), reqflag);
}
if (subject) {
if (x509)
print_name(out, "subject=", X509_get_subject_name(x509ss),
- nmflag);
+ get_nameopt());
else
print_name(out, "subject=", X509_REQ_get_subject_name(req),
- nmflag);
+ get_nameopt());
}
if (modulus) {
@@ -808,12 +946,16 @@ int req_main(int argc, char **argv)
ERR_print_errors(bio_err);
}
NCONF_free(req_conf);
+ NCONF_free(addext_conf);
+ BIO_free(addext_bio);
BIO_free(in);
BIO_free_all(out);
EVP_PKEY_free(pkey);
EVP_PKEY_CTX_free(genctx);
sk_OPENSSL_STRING_free(pkeyopts);
sk_OPENSSL_STRING_free(sigopts);
+ lh_OPENSSL_STRING_doall(addexts, exts_cleanup);
+ lh_OPENSSL_STRING_free(addexts);
#ifndef OPENSSL_NO_ENGINE
ENGINE_free(gen_eng);
#endif
@@ -826,7 +968,7 @@ int req_main(int argc, char **argv)
OPENSSL_free(passin);
if (passout != nofree_passout)
OPENSSL_free(passout);
- return (ret);
+ return ret;
}
static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
@@ -886,7 +1028,7 @@ static int make_REQ(X509_REQ *req, EVP_PKEY *pkey, char *subj, int multirdn,
ret = 1;
err:
- return (ret);
+ return ret;
}
/*
@@ -942,7 +1084,8 @@ static int prompt_info(X509_REQ *req,
if (sk_CONF_VALUE_num(dn_sk)) {
i = -1;
- start:for (;;) {
+ start:
+ for ( ; ; ) {
i++;
if (sk_CONF_VALUE_num(dn_sk) <= i)
break;
@@ -967,35 +1110,36 @@ static int prompt_info(X509_REQ *req,
if (*type == '+') {
mval = -1;
type++;
- } else
+ } else {
mval = 0;
+ }
/* If OBJ not recognised ignore it */
if ((nid = OBJ_txt2nid(type)) == NID_undef)
goto start;
- if (BIO_snprintf(buf, sizeof(buf), "%s_default", v->name)
- >= (int)sizeof(buf)) {
- BIO_printf(bio_err, "Name '%s' too long\n", v->name);
+ if (!join(buf, sizeof(buf), v->name, "_default", "Name"))
return 0;
- }
-
if ((def = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
ERR_clear_error();
def = "";
}
- BIO_snprintf(buf, sizeof(buf), "%s_value", v->name);
+ if (!join(buf, sizeof(buf), v->name, "_value", "Name"))
+ return 0;
if ((value = NCONF_get_string(req_conf, dn_sect, buf)) == NULL) {
ERR_clear_error();
value = NULL;
}
- BIO_snprintf(buf, sizeof(buf), "%s_min", v->name);
+ if (!join(buf, sizeof(buf), v->name, "_min", "Name"))
+ return 0;
if (!NCONF_get_number(req_conf, dn_sect, buf, &n_min)) {
ERR_clear_error();
n_min = -1;
}
- BIO_snprintf(buf, sizeof(buf), "%s_max", v->name);
+
+ if (!join(buf, sizeof(buf), v->name, "_max", "Name"))
+ return 0;
if (!NCONF_get_number(req_conf, dn_sect, buf, &n_max)) {
ERR_clear_error();
n_max = -1;
@@ -1021,7 +1165,8 @@ static int prompt_info(X509_REQ *req,
}
i = -1;
- start2: for (;;) {
+ start2:
+ for ( ; ; ) {
i++;
if ((attr_sk == NULL) || (sk_CONF_VALUE_num(attr_sk) <= i))
break;
@@ -1031,32 +1176,31 @@ static int prompt_info(X509_REQ *req,
if ((nid = OBJ_txt2nid(type)) == NID_undef)
goto start2;
- if (BIO_snprintf(buf, sizeof(buf), "%s_default", type)
- >= (int)sizeof(buf)) {
- BIO_printf(bio_err, "Name '%s' too long\n", v->name);
+ if (!join(buf, sizeof(buf), type, "_default", "Name"))
return 0;
- }
-
if ((def = NCONF_get_string(req_conf, attr_sect, buf))
== NULL) {
ERR_clear_error();
def = "";
}
- BIO_snprintf(buf, sizeof(buf), "%s_value", type);
+ if (!join(buf, sizeof(buf), type, "_value", "Name"))
+ return 0;
if ((value = NCONF_get_string(req_conf, attr_sect, buf))
== NULL) {
ERR_clear_error();
value = NULL;
}
- BIO_snprintf(buf, sizeof(buf), "%s_min", type);
+ if (!join(buf, sizeof(buf), type,"_min", "Name"))
+ return 0;
if (!NCONF_get_number(req_conf, attr_sect, buf, &n_min)) {
ERR_clear_error();
n_min = -1;
}
- BIO_snprintf(buf, sizeof(buf), "%s_max", type);
+ if (!join(buf, sizeof(buf), type, "_max", "Name"))
+ return 0;
if (!NCONF_get_number(req_conf, attr_sect, buf, &n_max)) {
ERR_clear_error();
n_max = -1;
@@ -1119,8 +1263,9 @@ static int auto_info(X509_REQ *req, STACK_OF(CONF_VALUE) *dn_sk,
if (plus_char) {
type++;
mval = -1;
- } else
+ } else {
mval = 0;
+ }
if (!X509_NAME_add_entry_by_txt(subj, type, chtype,
(unsigned char *)v->value, -1, -1,
mval))
@@ -1147,79 +1292,65 @@ static int add_DN_object(X509_NAME *n, char *text, const char *def,
char *value, int nid, int n_min, int n_max,
unsigned long chtype, int mval)
{
- int i, ret = 0;
+ int ret = 0;
char buf[1024];
- start:
- if (!batch)
- BIO_printf(bio_err, "%s [%s]:", text, def);
- (void)BIO_flush(bio_err);
- if (value != NULL) {
- OPENSSL_strlcpy(buf, value, sizeof(buf));
- OPENSSL_strlcat(buf, "\n", sizeof(buf));
- BIO_printf(bio_err, "%s\n", value);
- } else {
- buf[0] = '\0';
- if (!batch) {
- if (!fgets(buf, sizeof(buf), stdin))
- return 0;
- } else {
- buf[0] = '\n';
- buf[1] = '\0';
- }
- }
- if (buf[0] == '\0')
- return (0);
- else if (buf[0] == '\n') {
- if ((def == NULL) || (def[0] == '\0'))
- return (1);
- OPENSSL_strlcpy(buf, def, sizeof(buf));
- OPENSSL_strlcat(buf, "\n", sizeof(buf));
- } else if ((buf[0] == '.') && (buf[1] == '\n'))
- return (1);
-
- i = strlen(buf);
- if (buf[i - 1] != '\n') {
- BIO_printf(bio_err, "weird input :-(\n");
- return (0);
- }
- buf[--i] = '\0';
-#ifdef CHARSET_EBCDIC
- ebcdic2ascii(buf, buf, i);
-#endif
- if (!req_check_len(i, n_min, n_max)) {
- if (batch || value)
- return 0;
- goto start;
- }
+ ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
+ "DN value", "DN default");
+ if ((ret == 0) || (ret == 1))
+ return ret;
+ ret = 1;
if (!X509_NAME_add_entry_by_NID(n, nid, chtype,
(unsigned char *)buf, -1, -1, mval))
- goto err;
- ret = 1;
- err:
- return (ret);
+ ret = 0;
+
+ return ret;
}
static int add_attribute_object(X509_REQ *req, char *text, const char *def,
char *value, int nid, int n_min,
int n_max, unsigned long chtype)
{
- int i;
- static char buf[1024];
+ int ret = 0;
+ char buf[1024];
+
+ ret = build_data(text, def, value, n_min, n_max, buf, sizeof(buf),
+ "Attribute value", "Attribute default");
+ if ((ret == 0) || (ret == 1))
+ return ret;
+ ret = 1;
+
+ if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
+ (unsigned char *)buf, -1)) {
+ BIO_printf(bio_err, "Error adding attribute\n");
+ ERR_print_errors(bio_err);
+ ret = 0;
+ }
+ return ret;
+}
+
+
+static int build_data(char *text, const char *def,
+ char *value, int n_min, int n_max,
+ char *buf, const int buf_size,
+ const char *desc1, const char *desc2
+ )
+{
+ int i;
start:
if (!batch)
BIO_printf(bio_err, "%s [%s]:", text, def);
(void)BIO_flush(bio_err);
if (value != NULL) {
- OPENSSL_strlcpy(buf, value, sizeof(buf));
- OPENSSL_strlcat(buf, "\n", sizeof(buf));
+ if (!join(buf, buf_size, value, "\n", desc1))
+ return 0;
BIO_printf(bio_err, "%s\n", value);
} else {
buf[0] = '\0';
if (!batch) {
- if (!fgets(buf, sizeof(buf), stdin))
+ if (!fgets(buf, buf_size, stdin))
return 0;
} else {
buf[0] = '\n';
@@ -1228,19 +1359,20 @@ static int add_attribute_object(X509_REQ *req, char *text, const char *def,
}
if (buf[0] == '\0')
- return (0);
- else if (buf[0] == '\n') {
+ return 0;
+ if (buf[0] == '\n') {
if ((def == NULL) || (def[0] == '\0'))
- return (1);
- OPENSSL_strlcpy(buf, def, sizeof(buf));
- OPENSSL_strlcat(buf, "\n", sizeof(buf));
- } else if ((buf[0] == '.') && (buf[1] == '\n'))
- return (1);
+ return 1;
+ if (!join(buf, buf_size, def, "\n", desc2))
+ return 0;
+ } else if ((buf[0] == '.') && (buf[1] == '\n')) {
+ return 1;
+ }
i = strlen(buf);
if (buf[i - 1] != '\n') {
BIO_printf(bio_err, "weird input :-(\n");
- return (0);
+ return 0;
}
buf[--i] = '\0';
#ifdef CHARSET_EBCDIC
@@ -1251,17 +1383,7 @@ static int add_attribute_object(X509_REQ *req, char *text, const char *def,
return 0;
goto start;
}
-
- if (!X509_REQ_add1_attr_by_NID(req, nid, chtype,
- (unsigned char *)buf, -1)) {
- BIO_printf(bio_err, "Error adding attribute\n");
- ERR_print_errors(bio_err);
- goto err;
- }
-
- return (1);
- err:
- return (0);
+ return 2;
}
static int req_check_len(int len, int n_min, int n_max)
@@ -1270,22 +1392,23 @@ static int req_check_len(int len, int n_min, int n_max)
BIO_printf(bio_err,
"string is too short, it needs to be at least %d bytes long\n",
n_min);
- return (0);
+ return 0;
}
if ((n_max >= 0) && (len > n_max)) {
BIO_printf(bio_err,
"string is too long, it needs to be no more than %d bytes long\n",
n_max);
- return (0);
+ return 0;
}
- return (1);
+ return 1;
}
/* Check if the end of a string matches 'end' */
static int check_end(const char *str, const char *end)
{
- int elen, slen;
+ size_t elen, slen;
const char *tmp;
+
elen = strlen(end);
slen = strlen(str);
if (elen > slen)
@@ -1294,6 +1417,24 @@ static int check_end(const char *str, const char *end)
return strcmp(tmp, end);
}
+/*
+ * Merge the two strings together into the result buffer checking for
+ * overflow and producing an error message if there is.
+ */
+static int join(char buf[], size_t buf_size, const char *name,
+ const char *tail, const char *desc)
+{
+ const size_t name_len = strlen(name), tail_len = strlen(tail);
+
+ if (name_len + tail_len + 1 > buf_size) {
+ BIO_printf(bio_err, "%s '%s' too long\n", desc, name);
+ return 0;
+ }
+ memcpy(buf, name, name_len);
+ memcpy(buf + name_len, tail, tail_len + 1);
+ return 1;
+}
+
static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
int *pkey_type, long *pkeylen,
char **palgnam, ENGINE *keygen_engine)
@@ -1311,15 +1452,15 @@ static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
*pkey_type = EVP_PKEY_RSA;
keylen = atol(gstr);
*pkeylen = keylen;
- } else if (strncmp(gstr, "param:", 6) == 0)
+ } else if (strncmp(gstr, "param:", 6) == 0) {
paramfile = gstr + 6;
- else {
+ } else {
const char *p = strchr(gstr, ':');
int len;
ENGINE *tmpeng;
const EVP_PKEY_ASN1_METHOD *ameth;
- if (p)
+ if (p != NULL)
len = p - gstr;
else
len = strlen(gstr);
@@ -1330,7 +1471,7 @@ static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
ameth = EVP_PKEY_asn1_find_str(&tmpeng, gstr, len);
- if (!ameth) {
+ if (ameth == NULL) {
BIO_printf(bio_err, "Unknown algorithm %.*s\n", len, gstr);
return NULL;
}
@@ -1340,28 +1481,31 @@ static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
ENGINE_finish(tmpeng);
#endif
if (*pkey_type == EVP_PKEY_RSA) {
- if (p) {
+ if (p != NULL) {
keylen = atol(p + 1);
*pkeylen = keylen;
- } else
+ } else {
keylen = *pkeylen;
- } else if (p)
+ }
+ } else if (p != NULL) {
paramfile = p + 1;
+ }
}
- if (paramfile) {
+ if (paramfile != NULL) {
pbio = BIO_new_file(paramfile, "r");
- if (!pbio) {
+ if (pbio == NULL) {
BIO_printf(bio_err, "Can't open parameter file %s\n", paramfile);
return NULL;
}
param = PEM_read_bio_Parameters(pbio, NULL);
- if (!param) {
+ if (param == NULL) {
X509 *x;
+
(void)BIO_reset(pbio);
x = PEM_read_bio_X509(pbio, NULL, NULL, NULL);
- if (x) {
+ if (x != NULL) {
param = X509_get_pubkey(x);
X509_free(x);
}
@@ -1369,25 +1513,26 @@ static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
BIO_free(pbio);
- if (!param) {
+ if (param == NULL) {
BIO_printf(bio_err, "Error reading parameter file %s\n", paramfile);
return NULL;
}
- if (*pkey_type == -1)
+ if (*pkey_type == -1) {
*pkey_type = EVP_PKEY_id(param);
- else if (*pkey_type != EVP_PKEY_base_id(param)) {
+ } else if (*pkey_type != EVP_PKEY_base_id(param)) {
BIO_printf(bio_err, "Key Type does not match parameters\n");
EVP_PKEY_free(param);
return NULL;
}
}
- if (palgnam) {
+ if (palgnam != NULL) {
const EVP_PKEY_ASN1_METHOD *ameth;
ENGINE *tmpeng;
const char *anam;
+
ameth = EVP_PKEY_asn1_find(&tmpeng, *pkey_type);
- if (!ameth) {
+ if (ameth == NULL) {
BIO_puts(bio_err, "Internal error: can't find key algorithm\n");
return NULL;
}
@@ -1398,12 +1543,13 @@ static EVP_PKEY_CTX *set_keygen_ctx(const char *gstr,
#endif
}
- if (param) {
+ if (param != NULL) {
gctx = EVP_PKEY_CTX_new(param, keygen_engine);
*pkeylen = EVP_PKEY_bits(param);
EVP_PKEY_free(param);
- } else
+ } else {
gctx = EVP_PKEY_CTX_new_id(*pkey_type, keygen_engine);
+ }
if (gctx == NULL) {
BIO_puts(bio_err, "Error allocating keygen context\n");
@@ -1454,10 +1600,19 @@ static int do_sign_init(EVP_MD_CTX *ctx, EVP_PKEY *pkey,
const EVP_MD *md, STACK_OF(OPENSSL_STRING) *sigopts)
{
EVP_PKEY_CTX *pkctx = NULL;
- int i;
+ int i, def_nid;
if (ctx == NULL)
return 0;
+ /*
+ * EVP_PKEY_get_default_digest_nid() returns 2 if the digest is mandatory
+ * for this algorithm.
+ */
+ if (EVP_PKEY_get_default_digest_nid(pkey, &def_nid) == 2
+ && def_nid == NID_undef) {
+ /* The signing algorithm requires there to be no digest */
+ md = NULL;
+ }
if (!EVP_DigestSignInit(ctx, &pkctx, md, NULL, pkey))
return 0;
for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) {
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-13 15:04:25 +0000