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Load user certificates by file path #167

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merged 1 commit into from
Jan 13, 2023
Merged

Load user certificates by file path #167

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34 changes: 33 additions & 1 deletion kubernetes/config/kube_config_yaml.c
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,8 @@ mapping :: = MAPPING - START(node node) * MAPPING - END
#define KEY_CERTIFICATE_AUTHORITY_DATA "certificate-authority-data"
#define KEY_INSECURE_SKIP_TLS_VERIFY "insecure-skip-tls-verify"
#define KEY_SERVER "server"
#define KEY_CLIENT_CERTIFICATE "client-certificate"
#define KEY_CLIENT_KEY "client-key"
#define KEY_CLIENT_CERTIFICATE_DATA "client-certificate-data"
#define KEY_CLIENT_KEY_DATA "client-key-data"
#define KEY_STAUTS "status"
Expand All @@ -55,6 +57,31 @@ mapping :: = MAPPING - START(node node) * MAPPING - END

#define VALUE_TRUE_LOWERCASE_STRING "true"

static char *load_file_content(const char *path) {

static char fname[] = "load_file_content()";

char *buffer;
FILE *fh = fopen(path, "rb");

if (fh == NULL) {
fprintf(stderr, "%s: Cannot parse file path: %s\n", fname, path);
return NULL;
}

fseek(fh, 0L, SEEK_END);
long s = ftell(fh);
rewind(fh);
buffer = malloc(s);
if ( buffer != NULL )
{
fread(buffer, s, 1, fh);
}
fclose(fh);
fh = NULL;
return buffer;
}

static int parse_kubeconfig_yaml_string_sequence(char ***p_strings, int *p_strings_count, yaml_document_t * document, yaml_node_t * node)
{
static char fname[] = "parse_kubeconfig_yaml_string_sequence()";
Expand Down Expand Up @@ -193,7 +220,11 @@ static int parse_kubeconfig_yaml_property_mapping(kubeconfig_property_t * proper
property->insecure_skip_tls_verify = (0 == strcmp(value->data.scalar.value, VALUE_TRUE_LOWERCASE_STRING)); //libyaml fails to parse true, but it can parse "true"!
}
} else if (KUBECONFIG_PROPERTY_TYPE_USER == property->type) {
if (0 == strcmp(key->data.scalar.value, KEY_CLIENT_CERTIFICATE_DATA)) {
if (0 == strcmp(key->data.scalar.value, KEY_CLIENT_CERTIFICATE)) {
property->client_certificate_data = load_file_content(value->data.scalar.value);
} else if (0 == strcmp(key->data.scalar.value, KEY_CLIENT_KEY)) {
property->client_key_data = load_file_content(value->data.scalar.value);
} else if (0 == strcmp(key->data.scalar.value, KEY_CLIENT_CERTIFICATE_DATA)) {
property->client_certificate_data = strdup(value->data.scalar.value);
} else if (0 == strcmp(key->data.scalar.value, KEY_CLIENT_KEY_DATA)) {
property->client_key_data = strdup(value->data.scalar.value);
Expand Down Expand Up @@ -1090,3 +1121,4 @@ int kubeyaml_save_kubeconfig(const kubeconfig_t * kubeconfig)

return -1;
}