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zkey: Add library versioning for libekmfweb and zkey-ekmfweb

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Closes: https://github.com/ibm-s390-tools/s390-tools/issues/93

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
Reviewed-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Ingo Franzki
2020-10-22 11:10:54 +02:00
committed by Jan Höppner
parent f2cc871b02
commit 8a58389e2f
5 changed files with 62 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files
zkey/kms.c
+23 -10
View File
@@ -40,6 +40,7 @@
#define ENVVAR_ZKEY_KMS_PLUGINS "ZKEY_KMS_PLUGINS"
#define DEFAULT_KMS_PLUGINS "/etc/zkey/kms-plugins.conf"
#define KMS_PLUGIN_LOCATION "/usr/lib64/zkey"
#define KMS_CONFIG_FILE "kms.conf"
#define KMS_CONFIG_PROP_KMS "kms"
@@ -209,6 +210,7 @@ static int load_kms_plugin(const char *plugin,
void **plugin_lib, char **plugin_name, bool verbose)
{
kms_get_functions_t _kms_get_functions;
char load_so_name[PATH_MAX];
char *so_name = NULL;
FILE *fp = NULL;
char line[4096];
@@ -258,15 +260,26 @@ static int load_kms_plugin(const char *plugin,
goto out;
}
/* Try to load via LD_LIBRARY_PATH first */
snprintf(load_so_name, sizeof(load_so_name), "%s", so_name);
pr_verbose(verbose, "Loading KMS plugin '%s': '%s'", *plugin_name,
so_name);
*plugin_lib = dlopen(so_name, RTLD_GLOBAL | RTLD_NOW);
load_so_name);
*plugin_lib = dlopen(load_so_name, RTLD_GLOBAL | RTLD_NOW);
if (*plugin_lib == NULL) {
pr_verbose(verbose, "%s", dlerror());
warnx("Failed to load KMS plugin '%s': '%s'", *plugin_name,
so_name);
rc = -ELIBACC;
goto out;
/* Try to load from default plugin location */
snprintf(load_so_name, sizeof(load_so_name), "%s/%s",
KMS_PLUGIN_LOCATION, so_name);
pr_verbose(verbose, "Loading KMS plugin '%s': '%s'",
*plugin_name, load_so_name);
*plugin_lib = dlopen(load_so_name, RTLD_GLOBAL | RTLD_NOW);
if (*plugin_lib == NULL) {
pr_verbose(verbose, "%s", dlerror());
warnx("Failed to load KMS plugin '%s': '%s'",
*plugin_name, load_so_name);
rc = -ELIBACC;
goto out;
}
}
_kms_get_functions = (kms_get_functions_t)dlsym(*plugin_lib,
@@ -274,7 +287,7 @@ static int load_kms_plugin(const char *plugin,
if (_kms_get_functions == NULL) {
pr_verbose(verbose, "%s", dlerror());
warnx("Failed to load KMS plugin '%s': '%s'", *plugin_name,
so_name);
load_so_name);
rc = -ELIBACC;
goto out;
}
@@ -283,13 +296,13 @@ static int load_kms_plugin(const char *plugin,
if (*kms_functions == NULL) {
pr_verbose(verbose, "kms_get_functions() reutned NULL");
warnx("Failed to load KMS plugin '%s': '%s'", *plugin_name,
so_name);
load_so_name);
rc = -ELIBACC;
goto out;
}
pr_verbose(verbose, "Successfully loaded KMS plugin '%s': '%s' (API "
"version: %u)", *plugin_name, so_name,
"version: %u)", *plugin_name, load_so_name,
(*kms_functions)->api_version);
out: