| /* apps/engine.c -*- mode: C; c-file-style: "eay" -*- */ |
| /* Written by Richard Levitte <richard@levitte.org> for the OpenSSL |
| * project 2000. |
| */ |
| /* ==================================================================== |
| * Copyright (c) 2000 The OpenSSL Project. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. All advertising materials mentioning features or use of this |
| * software must display the following acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)" |
| * |
| * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to |
| * endorse or promote products derived from this software without |
| * prior written permission. For written permission, please contact |
| * licensing@OpenSSL.org. |
| * |
| * 5. Products derived from this software may not be called "OpenSSL" |
| * nor may "OpenSSL" appear in their names without prior written |
| * permission of the OpenSSL Project. |
| * |
| * 6. Redistributions of any form whatsoever must retain the following |
| * acknowledgment: |
| * "This product includes software developed by the OpenSSL Project |
| * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)" |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY |
| * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED |
| * OF THE POSSIBILITY OF SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This product includes cryptographic software written by Eric Young |
| * (eay@cryptsoft.com). This product includes software written by Tim |
| * Hudson (tjh@cryptsoft.com). |
| * |
| */ |
| |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include "apps.h" |
| #include <openssl/err.h> |
| #ifndef OPENSSL_NO_ENGINE |
| #include <openssl/engine.h> |
| #include <openssl/ssl.h> |
| |
| #undef PROG |
| #define PROG engine_main |
| |
| static const char *engine_usage[]={ |
| "usage: engine opts [engine ...]\n", |
| " -v[v[v[v]]] - verbose mode, for each engine, list its 'control commands'\n", |
| " -vv will additionally display each command's description\n", |
| " -vvv will also add the input flags for each command\n", |
| " -vvvv will also show internal input flags\n", |
| " -c - for each engine, also list the capabilities\n", |
| " -t[t] - for each engine, check that they are really available\n", |
| " -tt will display error trace for unavailable engines\n", |
| " -pre <cmd> - runs command 'cmd' against the ENGINE before any attempts\n", |
| " to load it (if -t is used)\n", |
| " -post <cmd> - runs command 'cmd' against the ENGINE after loading it\n", |
| " (only used if -t is also provided)\n", |
| " NB: -pre and -post will be applied to all ENGINEs supplied on the command\n", |
| " line, or all supported ENGINEs if none are specified.\n", |
| " Eg. '-pre \"SO_PATH:/lib/libdriver.so\"' calls command \"SO_PATH\" with\n", |
| " argument \"/lib/libdriver.so\".\n", |
| NULL |
| }; |
| |
| static void identity(char *ptr) |
| { |
| return; |
| } |
| |
| static int append_buf(char **buf, const char *s, int *size, int step) |
| { |
| int l = strlen(s); |
| |
| if (*buf == NULL) |
| { |
| *size = step; |
| *buf = OPENSSL_malloc(*size); |
| if (*buf == NULL) |
| return 0; |
| **buf = '\0'; |
| } |
| |
| if (**buf != '\0') |
| l += 2; /* ", " */ |
| |
| if (strlen(*buf) + strlen(s) >= (unsigned int)*size) |
| { |
| *size += step; |
| *buf = OPENSSL_realloc(*buf, *size); |
| } |
| |
| if (*buf == NULL) |
| return 0; |
| |
| if (**buf != '\0') |
| BUF_strlcat(*buf, ", ", *size); |
| BUF_strlcat(*buf, s, *size); |
| |
| return 1; |
| } |
| |
| static int util_flags(BIO *bio_out, unsigned int flags, const char *indent) |
| { |
| int started = 0, err = 0; |
| /* Indent before displaying input flags */ |
| BIO_printf(bio_out, "%s%s(input flags): ", indent, indent); |
| if(flags == 0) |
| { |
| BIO_printf(bio_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(bio_out, "[Internal] "); |
| } |
| |
| if(flags & ENGINE_CMD_FLAG_NUMERIC) |
| { |
| BIO_printf(bio_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(bio_out, "|"); |
| err = 1; |
| } |
| BIO_printf(bio_out, "STRING"); |
| started = 1; |
| } |
| if(flags & ENGINE_CMD_FLAG_NO_INPUT) |
| { |
| if(started) |
| { |
| BIO_printf(bio_out, "|"); |
| err = 1; |
| } |
| BIO_printf(bio_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(bio_out, "|"); |
| BIO_printf(bio_out, "<0x%04X>", flags); |
| } |
| if(err) |
| BIO_printf(bio_out, " <illegal flags!>"); |
| BIO_printf(bio_out, "\n"); |
| return 1; |
| } |
| |
| static int util_verbose(ENGINE *e, int verbose, BIO *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)) |
| { |
| #if 0 |
| BIO_printf(bio_out, "%s<no control commands>\n", indent); |
| #endif |
| 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; |
| if((name = OPENSSL_malloc(len + 1)) == NULL) |
| goto err; |
| 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) |
| { |
| if((desc = OPENSSL_malloc(len + 1)) == NULL) |
| goto err; |
| 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(bio_out, indent); |
| else |
| /* Otherwise prepend a ", " */ |
| xpos += BIO_printf(bio_out, ", "); |
| if(verbose == 1) |
| { |
| /* We're just listing names, comma-delimited */ |
| if((xpos > (int)strlen(indent)) && |
| (xpos + (int)strlen(name) > line_wrap)) |
| { |
| BIO_printf(bio_out, "\n"); |
| xpos = BIO_puts(bio_out, indent); |
| } |
| xpos += BIO_printf(bio_out, "%s", name); |
| } |
| else |
| { |
| /* We're listing names plus descriptions */ |
| BIO_printf(bio_out, "%s: %s\n", name, |
| (desc == NULL) ? "<no description>" : desc); |
| /* ... and sometimes input flags */ |
| if((verbose >= 3) && !util_flags(bio_out, flags, |
| indent)) |
| goto err; |
| xpos = 0; |
| } |
| } |
| OPENSSL_free(name); name = NULL; |
| if(desc) { 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(bio_out, "\n"); |
| ret = 1; |
| err: |
| if(cmds) sk_OPENSSL_STRING_pop_free(cmds, identity); |
| if(name) OPENSSL_free(name); |
| if(desc) OPENSSL_free(desc); |
| return ret; |
| } |
| |
| static void util_do_cmds(ENGINE *e, STACK_OF(OPENSSL_STRING) *cmds, |
| BIO *bio_out, const char *indent) |
| { |
| int loop, res, num = sk_OPENSSL_STRING_num(cmds); |
| |
| if(num < 0) |
| { |
| BIO_printf(bio_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(bio_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(bio_out, "[Success]: %s\n", cmd); |
| else |
| { |
| BIO_printf(bio_out, "[Failure]: %s\n", cmd); |
| ERR_print_errors(bio_out); |
| } |
| } |
| } |
| |
| int MAIN(int, char **); |
| |
| int MAIN(int argc, char **argv) |
| { |
| int ret=1,i; |
| const char **pp; |
| int verbose=0, list_cap=0, test_avail=0, test_avail_noise = 0; |
| ENGINE *e; |
| STACK_OF(OPENSSL_STRING) *engines = sk_OPENSSL_STRING_new_null(); |
| STACK_OF(OPENSSL_STRING) *pre_cmds = sk_OPENSSL_STRING_new_null(); |
| STACK_OF(OPENSSL_STRING) *post_cmds = sk_OPENSSL_STRING_new_null(); |
| int badops=1; |
| BIO *bio_out=NULL; |
| const char *indent = " "; |
| |
| apps_startup(); |
| SSL_load_error_strings(); |
| |
| if (bio_err == NULL) |
| bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); |
| |
| if (!load_config(bio_err, NULL)) |
| goto end; |
| bio_out=BIO_new_fp(stdout,BIO_NOCLOSE); |
| #ifdef OPENSSL_SYS_VMS |
| { |
| BIO *tmpbio = BIO_new(BIO_f_linebuffer()); |
| bio_out = BIO_push(tmpbio, bio_out); |
| } |
| #endif |
| |
| argc--; |
| argv++; |
| while (argc >= 1) |
| { |
| if (strncmp(*argv,"-v",2) == 0) |
| { |
| if(strspn(*argv + 1, "v") < strlen(*argv + 1)) |
| goto skip_arg_loop; |
| if((verbose=strlen(*argv + 1)) > 4) |
| goto skip_arg_loop; |
| } |
| else if (strcmp(*argv,"-c") == 0) |
| list_cap=1; |
| else if (strncmp(*argv,"-t",2) == 0) |
| { |
| test_avail=1; |
| if(strspn(*argv + 1, "t") < strlen(*argv + 1)) |
| goto skip_arg_loop; |
| if((test_avail_noise = strlen(*argv + 1) - 1) > 1) |
| goto skip_arg_loop; |
| } |
| else if (strcmp(*argv,"-pre") == 0) |
| { |
| argc--; argv++; |
| if (argc == 0) |
| goto skip_arg_loop; |
| sk_OPENSSL_STRING_push(pre_cmds,*argv); |
| } |
| else if (strcmp(*argv,"-post") == 0) |
| { |
| argc--; argv++; |
| if (argc == 0) |
| goto skip_arg_loop; |
| sk_OPENSSL_STRING_push(post_cmds,*argv); |
| } |
| else if ((strncmp(*argv,"-h",2) == 0) || |
| (strcmp(*argv,"-?") == 0)) |
| goto skip_arg_loop; |
| else |
| sk_OPENSSL_STRING_push(engines,*argv); |
| argc--; |
| argv++; |
| } |
| /* Looks like everything went OK */ |
| badops = 0; |
| skip_arg_loop: |
| |
| if (badops) |
| { |
| for (pp=engine_usage; (*pp != NULL); pp++) |
| BIO_printf(bio_err,"%s",*pp); |
| goto end; |
| } |
| |
| if (sk_OPENSSL_STRING_num(engines) == 0) |
| { |
| for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e)) |
| { |
| sk_OPENSSL_STRING_push(engines,(char *)ENGINE_get_id(e)); |
| } |
| } |
| |
| for (i=0; i<sk_OPENSSL_STRING_num(engines); i++) |
| { |
| const char *id = sk_OPENSSL_STRING_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(bio_out, "(%s) %s\n", id, name); |
| util_do_cmds(e, pre_cmds, bio_out, indent); |
| if (strcmp(ENGINE_get_id(e), id) != 0) |
| { |
| BIO_printf(bio_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, "RSA", |
| &cap_size, 256)) |
| goto end; |
| if (ENGINE_get_DSA(e) != NULL |
| && !append_buf(&cap_buf, "DSA", |
| &cap_size, 256)) |
| goto end; |
| if (ENGINE_get_DH(e) != NULL |
| && !append_buf(&cap_buf, "DH", |
| &cap_size, 256)) |
| goto end; |
| if (ENGINE_get_RAND(e) != NULL |
| && !append_buf(&cap_buf, "RAND", |
| &cap_size, 256)) |
| 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, |
| OBJ_nid2sn(nids[k]), |
| &cap_size, 256)) |
| 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, |
| OBJ_nid2sn(nids[k]), |
| &cap_size, 256)) |
| 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, |
| OBJ_nid2sn(nids[k]), |
| &cap_size, 256)) |
| goto end; |
| skip_pmeths: |
| if (cap_buf && (*cap_buf != '\0')) |
| BIO_printf(bio_out, " [%s]\n", cap_buf); |
| |
| OPENSSL_free(cap_buf); |
| } |
| if(test_avail) |
| { |
| BIO_printf(bio_out, "%s", indent); |
| if (ENGINE_init(e)) |
| { |
| BIO_printf(bio_out, "[ available ]\n"); |
| util_do_cmds(e, post_cmds, bio_out, indent); |
| ENGINE_finish(e); |
| } |
| else |
| { |
| BIO_printf(bio_out, "[ unavailable ]\n"); |
| if(test_avail_noise) |
| ERR_print_errors_fp(stdout); |
| ERR_clear_error(); |
| } |
| } |
| if((verbose > 0) && !util_verbose(e, verbose, bio_out, indent)) |
| goto end; |
| ENGINE_free(e); |
| } |
| else |
| ERR_print_errors(bio_err); |
| } |
| |
| ret=0; |
| end: |
| |
| ERR_print_errors(bio_err); |
| sk_OPENSSL_STRING_pop_free(engines, identity); |
| sk_OPENSSL_STRING_pop_free(pre_cmds, identity); |
| sk_OPENSSL_STRING_pop_free(post_cmds, identity); |
| if (bio_out != NULL) BIO_free_all(bio_out); |
| apps_shutdown(); |
| OPENSSL_EXIT(ret); |
| } |
| #else |
| |
| # if PEDANTIC |
| static void *dummy=&dummy; |
| # endif |
| |
| #endif |
