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Don't use strtok(3) #276

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Don't use strtok(3) #276

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67b1083
Don't use strtok(3)
haesbaert Jul 24, 2025
1ff9572
Fix utils not detecting symbols and add strtok_r
haesbaert Jul 28, 2025
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5 changes: 3 additions & 2 deletions kubernetes/config/authn_plugin/plugins/oidc/libkubernetes_oidc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@
static time_t get_token_expiration_time(const char *token_string)
{
static char fname[] = "get_token_expiration_time()";
char *last;
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nit: please set to explicit NULL


time_t expiration_time = 0;

Expand All @@ -41,12 +42,12 @@ static time_t get_token_expiration_time(const char *token_string)
}

char *p = NULL;
p = strtok(dup_token_string, OIDC_ID_TOKEN_DELIM); /* jwt header */
p = strtok_r(dup_token_string, OIDC_ID_TOKEN_DELIM, &last); /* jwt header */
if (!p) {
fprintf(stderr, "%s: The token <%s> is not a valid JWT token.\n", fname, token_string);
goto end;
}
p = strtok(NULL, OIDC_ID_TOKEN_DELIM); /* jwt part2 */
p = strtok_r(NULL, OIDC_ID_TOKEN_DELIM, &last); /* jwt part2 */
if (!p) {
fprintf(stderr, "%s: The token <%s> is not a valid JWT token.\n", fname, token_string);
goto end;
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6 changes: 4 additions & 2 deletions kubernetes/watch/watch_util.c
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Expand Up @@ -10,6 +10,8 @@

static int wu_convert_to_json_array(list_t * json_array, const char *json_string)
{
char *last;
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here too wrt NULL


if (!json_string || '\0' == json_string[0] || !json_array) {
return -1;
}
Expand All @@ -18,7 +20,7 @@ static int wu_convert_to_json_array(list_t * json_array, const char *json_string
char *json_string_dup = strdup(json_string);

char *token = NULL;
token = strtok(json_string_dup, JSON_ARRAY_DELIM);
token = strtok_r(json_string_dup, JSON_ARRAY_DELIM, &last);
while (token) {
cJSON *cjson = cJSON_Parse(token);
if (cjson == NULL) {
Expand All @@ -27,7 +29,7 @@ static int wu_convert_to_json_array(list_t * json_array, const char *json_string
}
cJSON_Delete(cjson);
list_addElement(json_array, strdup(token));
token = strtok(NULL, JSON_ARRAY_DELIM);
token = strtok_r(NULL, JSON_ARRAY_DELIM, &last);
}

end:
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