+ apps_startup();
+
+ /*
+ * If first argument is a colon, skip it. Because in "interactive"
+ * mode our prompt is a colon and we can cut/paste whole lines
+ * by doing this hack.
+ */
+ if (argv[1] && strcmp(argv[1], ":") == 0) {
+ argv[1] = argv[0];
+ argc--;
+ argv++;
+ }
+ prog = prog_init();
+ pname = opt_progname(argv[0]);
+
+ /* Lets load up our environment a little */
+ bio_in = dup_bio_in();
+ bio_out = dup_bio_out();
+ bio_err = BIO_new_fp(stderr, BIO_NOCLOSE | BIO_FP_TEXT);
+
+ /* Determine and load the config file. */
+ default_config_file = getenv("OPENSSL_CONF");
+ if (default_config_file == NULL)
+ default_config_file = getenv("SSLEAY_CONF");
+ if (default_config_file == NULL)
+ default_config_file = to_free = make_config_name();
+ if (!load_config(NULL))
+ goto end;
+ config = NCONF_new(NULL);
+ i = NCONF_load(config, default_config_file, &errline);
+ if (i == 0) {
+ if (ERR_GET_REASON(ERR_peek_last_error())
+ == CONF_R_NO_SUCH_FILE) {
+ BIO_printf(bio_err,
+ "%s: WARNING: can't open config file: %s\n",
+ pname, default_config_file);
+ ERR_clear_error();
+ NCONF_free(config);
+ config = NULL;
+ } else {
+ ERR_print_errors(bio_err);
+ NCONF_free(config);
+ exit(1);
+ }
+ }
+
+ /* first check the program name */
+ f.name = pname;
+ fp = lh_FUNCTION_retrieve(prog, &f);
+ if (fp != NULL) {
+ argv[0] = pname;
+ ret = fp->func(argc, argv);
+ goto end;
+ }
+
+ /* If there is stuff on the command line, run with that. */
+ if (argc != 1) {
+ argc--;
+ argv++;
+ ret = do_cmd(prog, argc, argv);
+ if (ret < 0)
+ ret = 0;
+ goto end;
+ }
+
+ /* ok, lets enter interactive mode */
+ for (;;) {
+ ret = 0;
+ for (p = buf, n = sizeof buf, i = 0, first = 1;; first = 0) {
+ prompt = first ? "OpenSSL> " : "> ";
+ p[0] = '\0';
+ fputs(prompt, stdout);
+ fflush(stdout);
+ if (!fgets(p, n, stdin))
+ goto end;
+ if (p[0] == '\0')
+ goto end;
+ i = strlen(p);
+ if (i <= 1)
+ break;
+ if (p[i - 2] != '\\')
+ break;
+ i -= 2;
+ p += i;
+ n -= i;
+ }
+ if (!chopup_args(&arg, buf)) {
+ BIO_printf(bio_err, "Can't parse (no memory?)\n");
+ break;
+ }
+
+ ret = do_cmd(prog, arg.argc, arg.argv);
+ if (ret == EXIT_THE_PROGRAM) {
+ ret = 0;
+ goto end;
+ }
+ if (ret != 0)
+ BIO_printf(bio_err, "error in %s\n", arg.argv[0]);
+ (void)BIO_flush(bio_out);
+ (void)BIO_flush(bio_err);
+ }
+ ret = 1;
+ end:
+ if (copied_argv)
+ OPENSSL_free(copied_argv);
+ if (to_free)
+ OPENSSL_free(to_free);
+ if (config != NULL) {
+ NCONF_free(config);
+ config = NULL;
+ }
+ if (prog != NULL)
+ lh_FUNCTION_free(prog);
+ if (arg.argv != NULL)
+ OPENSSL_free(arg.argv);
+
+ BIO_free(bio_in);
+ BIO_free_all(bio_out);
+ apps_shutdown();
+ /*CRYPTO_mem_leaks(bio_err);
+ */
+ BIO_free(bio_err);
+ return (ret);
+}
+
+OPTIONS exit_options[] = {
+ {NULL}
+};
+
+static void list_cipher_fn(const EVP_CIPHER *c,
+ const char *from, const char *to, void *arg)
+{
+ if (c)
+ BIO_printf(arg, "%s\n", EVP_CIPHER_name(c));
+ else {
+ if (!from)
+ from = "<undefined>";
+ if (!to)
+ to = "<undefined>";
+ BIO_printf(arg, "%s => %s\n", from, to);
+ }
+}
+
+static void list_md_fn(const EVP_MD *m,
+ const char *from, const char *to, void *arg)
+{
+ if (m)
+ BIO_printf(arg, "%s\n", EVP_MD_name(m));
+ else {
+ if (!from)
+ from = "<undefined>";
+ if (!to)
+ to = "<undefined>";
+ BIO_printf((BIO *)arg, "%s => %s\n", from, to);
+ }
+}
+
+/* Unified enum for help and list commands. */
+typedef enum HELPLIST_CHOICE {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_COMMANDS, OPT_DIGEST_COMMANDS,
+ OPT_DIGEST_ALGORITHMS, OPT_CIPHER_COMMANDS, OPT_CIPHER_ALGORITHMS,
+ OPT_PK_ALGORITHMS
+} HELPLIST_CHOICE;
+
+OPTIONS list_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"commands", OPT_COMMANDS, '-', "List of standard commands"},
+ {"digest-commands", OPT_DIGEST_COMMANDS, '-',
+ "List of message digest commands"},
+ {"digest-algorithms", OPT_DIGEST_ALGORITHMS, '-',
+ "List of message digest algorithms"},
+ {"cipher-commands", OPT_CIPHER_COMMANDS, '-', "List of cipher commands"},
+ {"cipher-algorithms", OPT_CIPHER_ALGORITHMS, '-',
+ "List of cipher algorithms"},
+ {"public-key-algorithms", OPT_PK_ALGORITHMS, '-',
+ "List of public key algorithms"},
+ {NULL}
+};
+
+int list_main(int argc, char **argv)
+{
+ char *prog;
+ HELPLIST_CHOICE o;
+
+ prog = opt_init(argc, argv, list_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ case OPT_EOF:
+ case OPT_ERR:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ return 1;
+ case OPT_HELP:
+ opt_help(list_options);
+ break;
+ case OPT_COMMANDS:
+ list_type(FT_general);
+ break;
+ case OPT_DIGEST_COMMANDS:
+ list_type(FT_md);
+ break;
+ case OPT_DIGEST_ALGORITHMS:
+ EVP_MD_do_all_sorted(list_md_fn, bio_out);
+ break;
+ case OPT_CIPHER_COMMANDS:
+ list_type(FT_cipher);
+ break;
+ case OPT_CIPHER_ALGORITHMS:
+ EVP_CIPHER_do_all_sorted(list_cipher_fn, bio_out);
+ break;
+ case OPT_PK_ALGORITHMS:
+ list_pkey();
+ break;
+ }
+ }
+
+ return 0;
+}
+
+OPTIONS help_options[] = {
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {NULL}
+};
+
+int help_main(int argc, char **argv)
+{
+ FUNCTION *fp;
+ int i, nl;
+ FUNC_TYPE tp;
+ char *prog;
+ HELPLIST_CHOICE o;
+
+ prog = opt_init(argc, argv, help_options);
+ while ((o = opt_next()) != OPT_EOF) {
+ switch (o) {
+ default:
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ return 1;
+ case OPT_HELP:
+ opt_help(help_options);
+ return 0;
+ }
+ }
+ argc = opt_num_rest();
+ argv = opt_rest();
+
+ if (argc != 0) {
+ BIO_printf(bio_err, "Usage: %s\n", prog);
+ return 1;
+ }
+
+ BIO_printf(bio_err, "\nStandard commands");
+ i = 0;
+ tp = FT_none;
+ for (fp = functions; fp->name != NULL; fp++) {
+ nl = 0;
+ if (((i++) % COLUMNS) == 0) {
+ BIO_printf(bio_err, "\n");
+ nl = 1;
+ }
+ if (fp->type != tp) {
+ tp = fp->type;
+ if (!nl)
+ BIO_printf(bio_err, "\n");
+ if (tp == FT_md) {
+ i = 1;
+ BIO_printf(bio_err,
+ "\nMessage Digest commands (see the `dgst' command for more details)\n");
+ } else if (tp == FT_cipher) {
+ i = 1;
+ BIO_printf(bio_err,
+ "\nCipher commands (see the `enc' command for more details)\n");
+ }
+ }
+ BIO_printf(bio_err, FORMAT, fp->name);
+ }
+ BIO_printf(bio_err, "\n\n");
+ return 0;
+}
+
+int exit_main(int argc, char **argv)
+{
+ return EXIT_THE_PROGRAM;
+}
+
+static void list_type(FUNC_TYPE ft)
+{
+ FUNCTION *fp;
+ int i = 0;
+
+ for (fp = functions; fp->name != NULL; fp++)
+ if (fp->type == ft) {
+ if ((i++ % COLUMNS) == 0)
+ BIO_printf(bio_out, "\n");
+ BIO_printf(bio_out, FORMAT, fp->name);
+ }
+ BIO_printf(bio_out, "\n");
+}
+
+static int do_cmd(LHASH_OF(FUNCTION) *prog, int argc, char *argv[])
+{
+ FUNCTION f, *fp;
+
+ if (argc <= 0 || argv[0] == NULL)
+ return (0);
+ f.name = argv[0];
+ fp = lh_FUNCTION_retrieve(prog, &f);
+ if (fp == NULL) {
+ if (EVP_get_digestbyname(argv[0])) {
+ f.type = FT_md;
+ f.func = dgst_main;
+ fp = &f;
+ } else if (EVP_get_cipherbyname(argv[0])) {
+ f.type = FT_cipher;
+ f.func = enc_main;
+ fp = &f;
+ }
+ }
+ if (fp != NULL) {
+ return (fp->func(argc, argv));
+ }
+ if ((strncmp(argv[0], "no-", 3)) == 0) {
+ /*
+ * User is asking if foo is unsupported, by trying to "run" the
+ * no-foo command. Strange.
+ */
+ f.name = argv[0] + 3;
+ if (lh_FUNCTION_retrieve(prog, &f) == NULL) {
+ BIO_printf(bio_out, "%s\n", argv[0]);
+ return (0);
+ }
+ BIO_printf(bio_out, "%s\n", argv[0] + 3);
+ return 1;
+ }
+ if (strcmp(argv[0], "quit") == 0 || strcmp(argv[0], "q") == 0 ||
+ strcmp(argv[0], "exit") == 0 || strcmp(argv[0], "bye") == 0)
+ /* Special value to mean "exit the program. */
+ return EXIT_THE_PROGRAM;
+
+ BIO_printf(bio_err, "Invalid command '%s'; type \"help\" for a list.\n",
+ argv[0]);
+ return (1);
+}
+
+static void list_pkey(void)
+{
+ int i;
+
+ for (i = 0; i < EVP_PKEY_asn1_get_count(); i++) {
+ const EVP_PKEY_ASN1_METHOD *ameth;
+ int pkey_id, pkey_base_id, pkey_flags;
+ const char *pinfo, *pem_str;
+ ameth = EVP_PKEY_asn1_get0(i);
+ EVP_PKEY_asn1_get0_info(&pkey_id, &pkey_base_id, &pkey_flags,
+ &pinfo, &pem_str, ameth);
+ if (pkey_flags & ASN1_PKEY_ALIAS) {
+ BIO_printf(bio_out, "Name: %s\n", OBJ_nid2ln(pkey_id));
+ BIO_printf(bio_out, "\tAlias for: %s\n",
+ OBJ_nid2ln(pkey_base_id));
+ } else {
+ BIO_printf(bio_out, "Name: %s\n", pinfo);
+ BIO_printf(bio_out, "\tType: %s Algorithm\n",
+ pkey_flags & ASN1_PKEY_DYNAMIC ?
+ "External" : "Builtin");
+ BIO_printf(bio_out, "\tOID: %s\n", OBJ_nid2ln(pkey_id));
+ if (pem_str == NULL)
+ pem_str = "(none)";
+ BIO_printf(bio_out, "\tPEM string: %s\n", pem_str);
+ }
+
+ }
+}
+
+static int function_cmp(const FUNCTION * a, const FUNCTION * b)
+{
+ return strncmp(a->name, b->name, 8);
+}
+
+static IMPLEMENT_LHASH_COMP_FN(function, FUNCTION)
+
+static unsigned long function_hash(const FUNCTION * a)
+{
+ return lh_strhash(a->name);
+}
+
+static IMPLEMENT_LHASH_HASH_FN(function, FUNCTION)
+
+static int SortFnByName(const void *_f1, const void *_f2)
+{
+ const FUNCTION *f1 = _f1;
+ const FUNCTION *f2 = _f2;
+
+ if (f1->type != f2->type)
+ return f1->type - f2->type;
+ return strcmp(f1->name, f2->name);
+}
+
+static LHASH_OF(FUNCTION) *prog_init(void)
+{
+ LHASH_OF(FUNCTION) *ret;
+ FUNCTION *f;
+ size_t i;
+
+ /* Sort alphabetically within category. For nicer help displays. */
+ for (i = 0, f = functions; f->name != NULL; ++f, ++i) ;
+ qsort(functions, i, sizeof *functions, SortFnByName);
+
+ if ((ret = lh_FUNCTION_new()) == NULL)
+ return (NULL);
+
+ for (f = functions; f->name != NULL; f++)
+ (void)lh_FUNCTION_insert(ret, f);
+ return (ret);
+}