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Add check for the presence of secure_getenv

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This change introduces support for glibc versions older than 2.17 where
secure_getenv was introduced.
This commit is contained in:
Iacopo Rozzo
2022-12-29 17:47:02 +01:00
parent 3a1307001e
commit 703fdc63ef
4 changed files with 8 additions and 6 deletions
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1
kubernetes/ConfigureChecks.cmake
View File

@@ -1,3 +1,4 @@
include(CheckFunctionExists)
check_function_exists(strndup HAVE_STRNDUP)
check_function_exists(secure_getenv HAVE_SECURE_GETENV)

1
kubernetes/config.h.in
View File

@@ -1,2 +1,3 @@
/* Define to 1 if you have the `strndup' function. */
#cmakedefine HAVE_STRNDUP 1
#cmakedefine HAVE_SECURE_GETENV 1

4
kubernetes/config/incluster_config.c
View File

@@ -45,7 +45,7 @@ static int setBasePathInCluster(char **pBasePath)
{
static char fname[] = "setBasePathInCluster()";
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__)
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__) || !defined(HAVE_SECURE_GETENV)
const char *service_host_env = getenv(SERVICE_HOST_ENV_NAME);
#elif __linux || defined(__EMSCRIPTEN__)
const char *service_host_env = secure_getenv(SERVICE_HOST_ENV_NAME);
@@ -54,7 +54,7 @@ static int setBasePathInCluster(char **pBasePath)
fprintf(stderr, "%s: Cannot retrieve the kubernetes service host inside a pod by the env %s.\n", fname, SERVICE_HOST_ENV_NAME);
return -1;
}
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__)
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__) || !defined(HAVE_SECURE_GETENV)
const char *service_port_env = getenv(SERVICE_PORT_ENV_NAME);
#elif __linux || defined(__EMSCRIPTEN__)
const char *service_port_env = secure_getenv(SERVICE_PORT_ENV_NAME);

4
kubernetes/config/kube_config.c
View File

@@ -111,7 +111,7 @@ static char *getWorkingConfigFile(const char *configFileNamePassedIn)
configFileName = strdup(configFileNamePassedIn);
} else {
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__)
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__) || !defined(HAVE_SECURE_GETENV)
kubeconfig_env = getenv(ENV_KUBECONFIG);
#elif __linux || defined(__EMSCRIPTEN__)
kubeconfig_env = secure_getenv(ENV_KUBECONFIG);
@@ -119,7 +119,7 @@ static char *getWorkingConfigFile(const char *configFileNamePassedIn)
if (kubeconfig_env) {
configFileName = strdup(kubeconfig_env);
} else {
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__)
#if defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || defined(__APPLE__) || !defined(HAVE_SECURE_GETENV)
homedir_env = getenv(ENV_HOME);
#elif __linux || defined(__EMSCRIPTEN__)
homedir_env = secure_getenv(ENV_HOME);