-static void identity(void *ptr)
- {
- return;
- }
-
-static int append_buf(char **buf, 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')
- strcat(*buf, ", ");
- strcat(*buf, s);
-
- 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(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;
- 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 *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_new_null();
-
- if(!cmds)
- goto err;
- do {
- int len;
- /* 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;
- }
- /* Get the command input flags */
- if((flags = ENGINE_ctrl(e, ENGINE_CTRL_GET_CMD_FLAGS, num,
- NULL, NULL)) < 0)
- goto err;
- /* Now decide on the output */
- if(xpos == 0)
- /* Do an indent */
- xpos = BIO_printf(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_printf(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_pop_free(cmds, identity);
- if(name) OPENSSL_free(name);
- if(desc) OPENSSL_free(desc);
- return ret;
- }
-
-static void util_do_cmds(ENGINE *e, STACK *cmds, BIO *bio_out, const char *indent)
- {
- int loop, res, num = sk_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_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;
- char **pp;
- int verbose=0, list_cap=0, test_avail=0;
- ENGINE *e;
- STACK *engines = sk_new_null();
- STACK *pre_cmds = sk_new_null();
- STACK *post_cmds = sk_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);
- 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)) > 3)
- goto skip_arg_loop;
- }
- else if (strcmp(*argv,"-c") == 0)
- list_cap=1;
- else if (strcmp(*argv,"-t") == 0)
- test_avail=1;
- else if (strcmp(*argv,"-pre") == 0)
- {
- argc--; argv++;
- sk_push(pre_cmds,*argv);
- }
- else if (strcmp(*argv,"-post") == 0)
- {
- argc--; argv++;
- sk_push(post_cmds,*argv);
- }
- else if ((strncmp(*argv,"-h",2) == 0) ||
- (strcmp(*argv,"-?") == 0))
- goto skip_arg_loop;
- else
- sk_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_num(engines) == 0)
- {
- for(e = ENGINE_get_first(); e != NULL; e = ENGINE_get_next(e))
- {
- sk_push(engines,(char *)ENGINE_get_id(e));
- }
- }
-
- for (i=0; i<sk_num(engines); i++)
- {
- const char *id = sk_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", id, name);
- if (list_cap)
- BIO_printf(bio_out, ":");
- if (list_cap)
- {
- int cap_size = 256;
- char *cap_buf = NULL;
-
- 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;
-
- if (cap_buf && (*cap_buf != '\0'))
- BIO_printf(bio_out, " [%s]", cap_buf);
-
- OPENSSL_free(cap_buf);
- }
- BIO_printf(bio_out, "\n");
- util_do_cmds(e, pre_cmds, bio_out, indent);
- 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");
- 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_pop_free(engines, identity);
- sk_pop_free(pre_cmds, identity);
- sk_pop_free(post_cmds, identity);
- if (bio_out != NULL) BIO_free_all(bio_out);
- EXIT(ret);
- }