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Increase buffer size

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This commit is contained in:
Hui Yu
2023-03-24 20:36:56 +08:00
parent 859fc3f5ee
commit 20d4ad12a6
3 changed files with 9 additions and 5 deletions
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8
kubernetes/config/exec_provider.c
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@@ -5,9 +5,9 @@
#include <errno.h> #include <errno.h>
#define ARGS_DELIM " " #define ARGS_DELIM " "
#define KUBECONFIG_EXEC_ARGS_BUFFER_SIZE 1024 #define KUBECONFIG_EXEC_ARGS_BUFFER_SIZE 4096
#define KUBECONFIG_EXEC_COMMAND_BUFFER_SIZE 1024 #define KUBECONFIG_EXEC_COMMAND_BUFFER_SIZE 4096
#define KUBECONFIG_STRING_BUFFER_SIZE 1024 #define KUBECONFIG_STRING_BUFFER_SIZE 4096
#define KUBECONFIG_EXEC_RESULT_BUFFER_SIZE 4096 #define KUBECONFIG_EXEC_RESULT_BUFFER_SIZE 4096
int kube_exec_and_get_result(ExecCredential_t * exec_credential, const kubeconfig_property_t * exec) int kube_exec_and_get_result(ExecCredential_t * exec_credential, const kubeconfig_property_t * exec)
@@ -69,7 +69,7 @@ int kube_exec_and_get_result(ExecCredential_t * exec_credential, const kubeconfi
#ifndef _WIN32 #ifndef _WIN32
fp = popen(command_string, "r"); /* r means read from stdout */ fp = popen(command_string, "r"); /* r means read from stdout */
#else #else
fp = _popen(command_string, "r"); /* r means read from stdout */ fp = _popen(command_string, "r"); /* r means read from stdout */
#endif #endif
if (fp) { if (fp) {
result_string = calloc(1, KUBECONFIG_EXEC_RESULT_BUFFER_SIZE); result_string = calloc(1, KUBECONFIG_EXEC_RESULT_BUFFER_SIZE);

4
kubernetes/config/kube_config.c
View File

@@ -93,6 +93,10 @@ static int setApiKeys(list_t ** pApiKeys, const char *token)
return -1; return -1;
} }
if (strlen(BEARER_TOKEN_TEMPLATE) + strlen(token) >= BEARER_TOKEN_BUFFER_SIZE) {
fprintf(stderr, "%s: The buffer for bearer token is insufficient.\n", fname);
return -1;
}
char tokenValue[BEARER_TOKEN_BUFFER_SIZE]; char tokenValue[BEARER_TOKEN_BUFFER_SIZE];
memset(tokenValue, 0, sizeof(tokenValue)); memset(tokenValue, 0, sizeof(tokenValue));
snprintf(tokenValue, BEARER_TOKEN_BUFFER_SIZE, BEARER_TOKEN_TEMPLATE, token); snprintf(tokenValue, BEARER_TOKEN_BUFFER_SIZE, BEARER_TOKEN_TEMPLATE, token);

2
kubernetes/config/kube_config_common.h
View File

@@ -7,7 +7,7 @@ extern "C" {
#define AUTH_TOKEN_KEY "Authorization" #define AUTH_TOKEN_KEY "Authorization"
#define BEARER_TOKEN_TEMPLATE "Bearer %s" #define BEARER_TOKEN_TEMPLATE "Bearer %s"
#define BEARER_TOKEN_BUFFER_SIZE 2048 #define BEARER_TOKEN_BUFFER_SIZE 4096
#define BASIC_TOKEN_TEMPLATE "Basic %s" #define BASIC_TOKEN_TEMPLATE "Basic %s"
#define BASIC_TOKEN_BUFFER_SIZE 1024 #define BASIC_TOKEN_BUFFER_SIZE 1024