openssl/apps/info.c
Pauli 0dc6bf3c39 Coverity CID 1444950: Control flow issues
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/8888)
2019-05-08 09:52:58 +10:00

96 lines
2.9 KiB
C

/*
* Copyright 2019 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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/crypto.h>
#include "apps.h"
#include "progs.h"
typedef enum OPTION_choice {
OPT_ERR = -1, OPT_EOF = 0, OPT_HELP,
OPT_CONFIGDIR, OPT_ENGINESDIR, OPT_MODULESDIR, OPT_DSOEXT, OPT_DIRNAMESEP,
OPT_LISTSEP
} OPTION_CHOICE;
const OPTIONS info_options[] = {
{"help", OPT_HELP, '-', "Display this summary"},
{"configdir", OPT_CONFIGDIR, '-', "Default configuration file directory"},
{"c", OPT_CONFIGDIR, '-', "Default configuration file directory"},
{"enginesdir", OPT_ENGINESDIR, '-', "Default engine module directory"},
{"e", OPT_ENGINESDIR, '-', "Default engine module directory"},
{"modulesdir", OPT_ENGINESDIR, '-',
"Default module directory (other than engine modules)"},
{"m", OPT_ENGINESDIR, '-',
"Default module directory (other than engine modules)"},
{"dsoext", OPT_DSOEXT, '-', "Configured extension for modules"},
{"dirnamesep", OPT_DIRNAMESEP, '-', "Directory-filename separator"},
{"listsep", OPT_LISTSEP, '-', "List separator character"},
{NULL}
};
int info_main(int argc, char **argv)
{
int ret = 1, dirty = 0, type = 0;
char *prog;
OPTION_CHOICE o;
prog = opt_init(argc, argv, info_options);
while ((o = opt_next()) != OPT_EOF) {
switch (o) {
default:
opthelp:
BIO_printf(bio_err, "%s: Use -help for summary.\n", prog);
goto end;
case OPT_HELP:
opt_help(info_options);
ret = 0;
goto end;
case OPT_CONFIGDIR:
type = OPENSSL_INFO_CONFIG_DIR;
dirty++;
break;
case OPT_ENGINESDIR:
type = OPENSSL_INFO_ENGINES_DIR;
dirty++;
break;
case OPT_MODULESDIR:
type = OPENSSL_INFO_MODULES_DIR;
dirty++;
break;
case OPT_DSOEXT:
type = OPENSSL_INFO_DSO_EXTENSION;
dirty++;
break;
case OPT_DIRNAMESEP:
type = OPENSSL_INFO_DIR_FILENAME_SEPARATOR;
dirty++;
break;
case OPT_LISTSEP:
type = OPENSSL_INFO_LIST_SEPARATOR;
dirty++;
break;
}
}
if (opt_num_rest() != 0) {
BIO_printf(bio_err, "%s: Extra parameters given.\n", prog);
goto opthelp;
}
if (dirty > 1) {
BIO_printf(bio_err, "%s: Only one item allowed\n", prog);
goto opthelp;
}
if (dirty == 0) {
BIO_printf(bio_err, "%s: No items chosen\n", prog);
goto opthelp;
}
BIO_printf(bio_out, "%s\n", OPENSSL_info(type));
ret = 0;
end:
return ret;
}