aboutsummaryrefslogtreecommitdiff
path: root/openssl-1.1.0h/apps/engine.c
diff options
context:
space:
mode:
authorWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
committerWojtek Kosior <wk@koszkonutek-tmp.pl.eu.org>2021-04-30 00:33:56 +0200
commitaa4d426b4d3527d7e166df1a05058c9a4a0f6683 (patch)
tree4ff17ce8b89a2321b9d0ed4bcfc37c447bcb6820 /openssl-1.1.0h/apps/engine.c
downloadsmtps-and-pop3s-console-program-master.tar.gz
smtps-and-pop3s-console-program-master.zip
initial/final commitHEADmaster
Diffstat (limited to 'openssl-1.1.0h/apps/engine.c')
-rw-r--r--openssl-1.1.0h/apps/engine.c446
1 files changed, 446 insertions, 0 deletions
diff --git a/openssl-1.1.0h/apps/engine.c b/openssl-1.1.0h/apps/engine.c
new file mode 100644
index 0000000..4eeb642
--- /dev/null
+++ b/openssl-1.1.0h/apps/engine.c
@@ -0,0 +1,446 @@
+/*
+ * Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
+ *
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
+ */
+
+#include <openssl/opensslconf.h>
+#ifdef OPENSSL_NO_ENGINE
+NON_EMPTY_TRANSLATION_UNIT
+#else
+
+# include "apps.h"
+# include <stdio.h>
+# include <stdlib.h>
+# include <string.h>
+# include <openssl/err.h>
+# include <openssl/engine.h>
+# include <openssl/ssl.h>
+
+typedef enum OPTION_choice {
+ OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
+ OPT_C, OPT_T, OPT_TT, OPT_PRE, OPT_POST,
+ OPT_V = 100, OPT_VV, OPT_VVV, OPT_VVVV
+} OPTION_CHOICE;
+
+OPTIONS engine_options[] = {
+ {OPT_HELP_STR, 1, '-', "Usage: %s [options] engine...\n"},
+ {OPT_HELP_STR, 1, '-',
+ " engine... Engines to load\n"},
+ {"help", OPT_HELP, '-', "Display this summary"},
+ {"v", OPT_V, '-', "List 'control commands' For each specified engine"},
+ {"vv", OPT_VV, '-', "Also display each command's description"},
+ {"vvv", OPT_VVV, '-', "Also add the input flags for each command"},
+ {"vvvv", OPT_VVVV, '-', "Also show internal input flags"},
+ {"c", OPT_C, '-', "List the capabilities of specified engine"},
+ {"t", OPT_T, '-', "Check that specified engine is available"},
+ {"tt", OPT_TT, '-', "Display error trace for unavailable engines"},
+ {"pre", OPT_PRE, 's', "Run command against the ENGINE before loading it"},
+ {"post", OPT_POST, 's', "Run command against the ENGINE after loading it"},
+ {OPT_MORE_STR, OPT_EOF, 1,
+ "Commands are like \"SO_PATH:/lib/libdriver.so\""},
+ {NULL}
+};
+
+static int append_buf(char **buf, int *size, const char *s)
+{
+ if (*buf == NULL) {
+ *size = 256;
+ *buf = app_malloc(*size, "engine buffer");
+ **buf = '\0';
+ }
+
+ if (strlen(*buf) + strlen(s) >= (unsigned int)*size) {
+ char *tmp;
+ *size += 256;
+ tmp = OPENSSL_realloc(*buf, *size);
+ if (tmp == NULL) {
+ OPENSSL_free(*buf);
+ *buf = NULL;
+ return 0;
+ }
+ *buf = tmp;
+ }
+
+ if (**buf != '\0')
+ OPENSSL_strlcat(*buf, ", ", *size);
+ OPENSSL_strlcat(*buf, s, *size);
+
+ return 1;
+}
+
+static int util_flags(BIO *out, unsigned int flags, const char *indent)
+{
+ int started = 0, err = 0;
+ /* Indent before displaying input flags */
+ BIO_printf(out, "%s%s(input flags): ", indent, indent);
+ if (flags == 0) {
+ BIO_printf(out, "<no flags>\n");
+ return 1;
+ }
+ /*
+ * If the object is internal, mark it in a way that shows instead of
+ * having it part of all the other flags, even if it really is.
+ */
+ if (flags & ENGINE_CMD_FLAG_INTERNAL) {
+ BIO_printf(out, "[Internal] ");
+ }
+
+ if (flags & ENGINE_CMD_FLAG_NUMERIC) {
+ BIO_printf(out, "NUMERIC");
+ started = 1;
+ }
+ /*
+ * Now we check that no combinations of the mutually exclusive NUMERIC,
+ * STRING, and NO_INPUT flags have been used. Future flags that can be
+ * OR'd together with these would need to added after these to preserve
+ * the testing logic.
+ */
+ if (flags & ENGINE_CMD_FLAG_STRING) {
+ if (started) {
+ BIO_printf(out, "|");
+ err = 1;
+ }
+ BIO_printf(out, "STRING");
+ started = 1;
+ }
+ if (flags & ENGINE_CMD_FLAG_NO_INPUT) {
+ if (started) {
+ BIO_printf(out, "|");
+ err = 1;
+ }
+ BIO_printf(out, "NO_INPUT");
+ started = 1;
+ }
+ /* Check for unknown flags */
+ flags = flags & ~ENGINE_CMD_FLAG_NUMERIC &
+ ~ENGINE_CMD_FLAG_STRING &
+ ~ENGINE_CMD_FLAG_NO_INPUT & ~ENGINE_CMD_FLAG_INTERNAL;
+ if (flags) {
+ if (started)
+ BIO_printf(out, "|");
+ BIO_printf(out, "<0x%04X>", flags);
+ }
+ if (err)
+ BIO_printf(out, " <illegal flags!>");
+ BIO_printf(out, "\n");
+ return 1;
+}
+
+static int util_verbose(ENGINE *e, int verbose, BIO *out, const char *indent)
+{
+ static const int line_wrap = 78;
+ int num;
+ int ret = 0;
+ char *name = NULL;
+ char *desc = NULL;
+ int flags;
+ int xpos = 0;
+ STACK_OF(OPENSSL_STRING) *cmds = NULL;
+ if (!ENGINE_ctrl(e, ENGINE_CTRL_HAS_CTRL_FUNCTION, 0, NULL, NULL) ||
+ ((num = ENGINE_ctrl(e, ENGINE_CTRL_GET_FIRST_CMD_TYPE,
+ 0, NULL, NULL)) <= 0)) {
+ return 1;
+ }
+
+ cmds = sk_OPENSSL_STRING_new_null();
+ if (!cmds)
+ goto err;
+
+ do {
+ int len;
+ /* Get the command input flags */
+ if ((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num,
+ NULL, NULL)) < 0)
+ goto err;
+ if (!(flags & ENGINE_CMD_FLAG_INTERNAL) || verbose >= 4) {
+ /* Get the command name */
+ if ((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_LEN_FROM_CMD, num,
+ NULL, NULL)) <= 0)
+ goto err;
+ name = app_malloc(len + 1, "name buffer");
+ if (ENGINE_ctrl(e, ENGINE_CTRL_GET_NAME_FROM_CMD, num, name,
+ NULL) <= 0)
+ goto err;
+ /* Get the command description */
+ if ((len = ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_LEN_FROM_CMD, num,
+ NULL, NULL)) < 0)
+ goto err;
+ if (len > 0) {
+ desc = app_malloc(len + 1, "description buffer");
+ if (ENGINE_ctrl(e, ENGINE_CTRL_GET_DESC_FROM_CMD, num, desc,
+ NULL) <= 0)
+ goto err;
+ }
+ /* Now decide on the output */
+ if (xpos == 0)
+ /* Do an indent */
+ xpos = BIO_puts(out, indent);
+ else
+ /* Otherwise prepend a ", " */
+ xpos += BIO_printf(out, ", ");
+ if (verbose == 1) {
+ /*
+ * We're just listing names, comma-delimited
+ */
+ if ((xpos > (int)strlen(indent)) &&
+ (xpos + (int)strlen(name) > line_wrap)) {
+ BIO_printf(out, "\n");
+ xpos = BIO_puts(out, indent);
+ }
+ xpos += BIO_printf(out, "%s", name);
+ } else {
+ /* We're listing names plus descriptions */
+ BIO_printf(out, "%s: %s\n", name,
+ (desc == NULL) ? "<no description>" : desc);
+ /* ... and sometimes input flags */
+ if ((verbose >= 3) && !util_flags(out, flags, indent))
+ goto err;
+ xpos = 0;
+ }
+ }
+ OPENSSL_free(name);
+ name = NULL;
+ OPENSSL_free(desc);
+ desc = NULL;
+ /* Move to the next command */
+ num = ENGINE_ctrl(e, ENGINE_CTRL_GET_NEXT_CMD_TYPE, num, NULL, NULL);
+ } while (num > 0);
+ if (xpos > 0)
+ BIO_printf(out, "\n");
+ ret = 1;
+ err:
+ sk_OPENSSL_STRING_free(cmds);
+ OPENSSL_free(name);
+ OPENSSL_free(desc);
+ return ret;
+}
+
+static void util_do_cmds(ENGINE *e, STACK_OF(OPENSSL_STRING) *cmds,
+ BIO *out, const char *indent)
+{
+ int loop, res, num = sk_OPENSSL_STRING_num(cmds);
+
+ if (num < 0) {
+ BIO_printf(out, "[Error]: internal stack error\n");
+ return;
+ }
+ for (loop = 0; loop < num; loop++) {
+ char buf[256];
+ const char *cmd, *arg;
+ cmd = sk_OPENSSL_STRING_value(cmds, loop);
+ res = 1; /* assume success */
+ /* Check if this command has no ":arg" */
+ if ((arg = strstr(cmd, ":")) == NULL) {
+ if (!ENGINE_ctrl_cmd_string(e, cmd, NULL, 0))
+ res = 0;
+ } else {
+ if ((int)(arg - cmd) > 254) {
+ BIO_printf(out, "[Error]: command name too long\n");
+ return;
+ }
+ memcpy(buf, cmd, (int)(arg - cmd));
+ buf[arg - cmd] = '\0';
+ arg++; /* Move past the ":" */
+ /* Call the command with the argument */
+ if (!ENGINE_ctrl_cmd_string(e, buf, arg, 0))
+ res = 0;
+ }
+ if (res)
+ BIO_printf(out, "[Success]: %s\n", cmd);
+ else {
+ BIO_printf(out, "[Failure]: %s\n", cmd);
+ ERR_print_errors(out);
+ }
+ }
+}
+
+int engine_main(int argc, char **argv)
+{
+ int ret = 1, i;
+ int verbose = 0, list_cap = 0, test_avail = 0, test_avail_noise = 0;
+ ENGINE *e;
+ STACK_OF(OPENSSL_CSTRING) *engines = sk_OPENSSL_CSTRING_new_null();
+ STACK_OF(OPENSSL_STRING) *pre_cmds = sk_OPENSSL_STRING_new_null();
+ STACK_OF(OPENSSL_STRING) *post_cmds = sk_OPENSSL_STRING_new_null();
+ BIO *out;
+ const char *indent = " ";
+ OPTION_CHOICE o;
+ char *prog;
+ char *argv1;
+
+ out = dup_bio_out(FORMAT_TEXT);
+ if (engines == NULL || pre_cmds == NULL || post_cmds == NULL)
+ goto end;
+
+ /* Remember the original command name, parse/skip any leading engine
+ * names, and then setup to parse the rest of the line as flags. */
+ prog = argv[0];
+ while ((argv1 = argv[1]) != NULL && *argv1 != '-') {
+ sk_OPENSSL_CSTRING_push(engines, argv1);
+ argc--;
+ argv++;
+ }
+ argv[0] = prog;
+ opt_init(argc, argv, engine_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);
+ goto end;
+ case OPT_HELP:
+ opt_help(engine_options);
+ ret = 0;
+ goto end;
+ case OPT_VVVV:
+ case OPT_VVV:
+ case OPT_VV:
+ case OPT_V:
+ /* Convert to an integer from one to four. */
+ i = (int)(o - OPT_V) + 1;
+ if (verbose < i)
+ verbose = i;
+ break;
+ case OPT_C:
+ list_cap = 1;
+ break;
+ case OPT_TT:
+ test_avail_noise++;
+ /* fall thru */
+ case OPT_T:
+ test_avail++;
+ break;
+ case OPT_PRE:
+ sk_OPENSSL_STRING_push(pre_cmds, opt_arg());
+ break;
+ case OPT_POST:
+ sk_OPENSSL_STRING_push(post_cmds, opt_arg());
+ break;
+ }
+ }
+
+ /* Allow any trailing parameters as engine names. */
+ argc = opt_num_rest();
+ argv = opt_rest();
+ for ( ; *argv; argv++) {
+ if (**argv == '-') {
+ BIO_printf(bio_err, "%s: Cannot mix flags and engine names.\n",
+ prog);
+ BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
+ goto end;
+ }
+ sk_OPENSSL_CSTRING_push(engines, *argv);
+ }
+
+ if (sk_OPENSSL_CSTRING_num(engines) == 0) {
+ for (e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) {
+ sk_OPENSSL_CSTRING_push(engines, ENGINE_get_id(e));
+ }
+ }
+
+ ret = 0;
+ for (i = 0; i < sk_OPENSSL_CSTRING_num(engines); i++) {
+ const char *id = sk_OPENSSL_CSTRING_value(engines, i);
+ if ((e = ENGINE_by_id(id)) != NULL) {
+ const char *name = ENGINE_get_name(e);
+ /*
+ * Do "id" first, then "name". Easier to auto-parse.
+ */
+ BIO_printf(out, "(%s) %s\n", id, name);
+ util_do_cmds(e, pre_cmds, out, indent);
+ if (strcmp(ENGINE_get_id(e), id) != 0) {
+ BIO_printf(out, "Loaded: (%s) %s\n",
+ ENGINE_get_id(e), ENGINE_get_name(e));
+ }
+ if (list_cap) {
+ int cap_size = 256;
+ char *cap_buf = NULL;
+ int k, n;
+ const int *nids;
+ ENGINE_CIPHERS_PTR fn_c;
+ ENGINE_DIGESTS_PTR fn_d;
+ ENGINE_PKEY_METHS_PTR fn_pk;
+
+ if (ENGINE_get_RSA(e) != NULL
+ && !append_buf(&cap_buf, &cap_size, "RSA"))
+ goto end;
+ if (ENGINE_get_DSA(e) != NULL
+ && !append_buf(&cap_buf, &cap_size, "DSA"))
+ goto end;
+ if (ENGINE_get_DH(e) != NULL
+ && !append_buf(&cap_buf, &cap_size, "DH"))
+ goto end;
+ if (ENGINE_get_RAND(e) != NULL
+ && !append_buf(&cap_buf, &cap_size, "RAND"))
+ goto end;
+
+ fn_c = ENGINE_get_ciphers(e);
+ if (!fn_c)
+ goto skip_ciphers;
+ n = fn_c(e, NULL, &nids, 0);
+ for (k = 0; k < n; ++k)
+ if (!append_buf(&cap_buf, &cap_size, OBJ_nid2sn(nids[k])))
+ goto end;
+
+ skip_ciphers:
+ fn_d = ENGINE_get_digests(e);
+ if (!fn_d)
+ goto skip_digests;
+ n = fn_d(e, NULL, &nids, 0);
+ for (k = 0; k < n; ++k)
+ if (!append_buf(&cap_buf, &cap_size, OBJ_nid2sn(nids[k])))
+ goto end;
+
+ skip_digests:
+ fn_pk = ENGINE_get_pkey_meths(e);
+ if (!fn_pk)
+ goto skip_pmeths;
+ n = fn_pk(e, NULL, &nids, 0);
+ for (k = 0; k < n; ++k)
+ if (!append_buf(&cap_buf, &cap_size, OBJ_nid2sn(nids[k])))
+ goto end;
+ skip_pmeths:
+ if (cap_buf && (*cap_buf != '\0'))
+ BIO_printf(out, " [%s]\n", cap_buf);
+
+ OPENSSL_free(cap_buf);
+ }
+ if (test_avail) {
+ BIO_printf(out, "%s", indent);
+ if (ENGINE_init(e)) {
+ BIO_printf(out, "[ available ]\n");
+ util_do_cmds(e, post_cmds, out, indent);
+ ENGINE_finish(e);
+ } else {
+ BIO_printf(out, "[ unavailable ]\n");
+ if (test_avail_noise)
+ ERR_print_errors_fp(stdout);
+ ERR_clear_error();
+ }
+ }
+ if ((verbose > 0) && !util_verbose(e, verbose, out, indent))
+ goto end;
+ ENGINE_free(e);
+ } else {
+ ERR_print_errors(bio_err);
+ /* because exit codes above 127 have special meaning on Unix */
+ if (++ret > 127)
+ ret = 127;
+ }
+ }
+
+ end:
+
+ ERR_print_errors(bio_err);
+ sk_OPENSSL_CSTRING_free(engines);
+ sk_OPENSSL_STRING_free(pre_cmds);
+ sk_OPENSSL_STRING_free(post_cmds);
+ BIO_free_all(out);
+ return (ret);
+}
+#endif