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Add additional checks #8

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merged 1 commit into from
Dec 20, 2024
Merged

Add additional checks #8

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18 changes: 13 additions & 5 deletions src/vmod_querymodifier.c
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Original file line number Diff line number Diff line change
Expand Up @@ -33,11 +33,9 @@ static int tokenize_querystring(VRT_CTX, query_param_t **result,

*result = NULL;

if (query_str == NULL) {
VRT_fail(ctx, "query_str is NULL");
*result = NULL;
return -1;
}
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
CHECK_OBJ_NOTNULL(ctx->ws, WS_MAGIC);
AN(query_str);

query_param_t *params_array =
WS_Alloc(ctx->ws, MAX_QUERY_PARAMS * sizeof(query_param_t));
Expand Down Expand Up @@ -88,6 +86,9 @@ static int parse_filter_params(VRT_CTX, const char *params_in,
char *params_copy;
size_t count = 0;

CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
CHECK_OBJ_NOTNULL(ctx->ws, WS_MAGIC);

if (params_in == NULL || *params_in == '\0') {
*num_filter_params = 0;
return 0;
Expand Down Expand Up @@ -157,6 +158,12 @@ static char *rebuild_query_string(VRT_CTX, const char *uri_base,
struct vsb *vsb = VSB_new_auto();
char sep = '?';

CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
CHECK_OBJ_NOTNULL(ctx->ws, WS_MAGIC);
AN(uri_base);
AN(params);
AN(filter_params);

if (vsb == NULL) {
VRT_fail(ctx, "VSB_new_auto failed");
return NULL;
Expand Down Expand Up @@ -210,6 +217,7 @@ VCL_STRING
vmod_modifyparams(VRT_CTX, VCL_STRING uri, VCL_STRING params_in,
VCL_BOOL exclude_params) {
CHECK_OBJ_NOTNULL(ctx, VRT_CTX_MAGIC);
CHECK_OBJ_NOTNULL(ctx->ws, WS_MAGIC);

// Return if the URI is NULL
if (uri == NULL) {
Expand Down
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