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zkey-ekmfweb: Move some functions used by multiple KMS plugins to common code

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Some functions are likely to be used by multiple plugins. Move them
into zkey common code (plugin-utils.c), this module is then linked
into the plugins.

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Ingo Franzki
2021-05-20 16:23:08 +02:00
committed by Jan Höppner
parent 154914ee7a
commit 030c0054b1
5 changed files with 1354 additions and 1059 deletions
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zkey/plugin-utils.h
+78
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/*
* zkey - Generate, re-encipher, and validate secure keys
*
* This header file defines plugin utility functions and defines
*
* Copyright IBM Corp. 2021
*
* s390-tools is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See LICENSE for details.
*/
#ifndef PLUGIN_UTILS_H
#define PLUGIN_UTILS_H
#include <stdio.h>
#include <errno.h>
#include <err.h>
#include <stddef.h>
#include <stdbool.h>
#include <sys/stat.h>
#include "kms-plugin.h"
#include "cca.h"
struct plugin_data {
const char *plugin_name;
const char *config_path;
mode_t config_path_mode;
gid_t config_path_owner;
const char *config_file;
struct properties *properties;
char error_msg[1024];
bool verbose;
};
#define pr_verbose(pd, fmt...) \
do { \
if ((pd)->verbose) { \
fprintf(stderr, "%s: ", (pd)->plugin_name); \
fprintf(stderr, fmt); \
fprintf(stderr, "\n"); \
} \
} while (0)
int plugin_init(struct plugin_data *pd, const char *plugin_name,
const char *config_path, const char *config_file,
bool verbose);
void plugin_term(struct plugin_data *pd);
void plugin_clear_error(struct plugin_data *pd);
void plugin_set_error(struct plugin_data *pd, const char *fmt, ...);
int plugin_load_config(struct plugin_data *pd);
int plugin_save_config(struct plugin_data *pd);
int plugin_set_file_permission(struct plugin_data *pd, const char *filename);
bool plugin_check_property(struct plugin_data *pd, const char *name);
int plugin_set_or_remove_property(struct plugin_data *pd, const char *name,
const char *value);
int plugin_activate_temp_file(struct plugin_data *pd, const char *temp_file,
const char *active_file);
int plugin_check_certificate(struct plugin_data *pd, const char *cert_file,
bool *self_signed, bool *valid);
int plugin_print_certificates(struct plugin_data *pd, const char *cert_pem);
int cross_check_cca_apka_apqns(struct plugin_data *pd,
const struct kms_apqn *apqns, size_t num_apqns);
int select_cca_adapter_by_apqns(struct plugin_data *pd, const char *apqns,
struct cca_lib *cca_lib);
char *build_kms_apqn_string(const struct kms_apqn *apqns, size_t num_apqns);
int parse_list(const char *list, char ***elements, size_t *num_elements);
#endif