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Use case-insensitive search for the websocket headers

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This commit is contained in:
Lauri Kasanen 2021-07-12 15:42:18 +03:00
parent 72affbfcf4
commit 811e7cde3a
1 changed files with 7 additions and 7 deletions
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14
common/network/websocket.c
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@ -566,7 +566,7 @@ int parse_handshake(ws_ctx_t *ws_ctx, char *handshake) {
headers->key3[0] = '\0'; headers->key3[0] = '\0';
if ((strlen(handshake) < 92) || (bcmp(handshake, "GET ", 4) != 0) || if ((strlen(handshake) < 92) || (bcmp(handshake, "GET ", 4) != 0) ||
(!strstr(handshake, "Upgrade: websocket"))) { (!strcasestr(handshake, "Upgrade: websocket"))) {
return 0; return 0;
} }
start = handshake+4; start = handshake+4;
@ -587,7 +587,7 @@ int parse_handshake(ws_ctx_t *ws_ctx, char *handshake) {
if (start) { if (start) {
start += 10; start += 10;
} else { } else {
start = strstr(handshake, "\r\nSec-WebSocket-Origin: "); start = strcasestr(handshake, "\r\nSec-WebSocket-Origin: ");
if (!start) { return 0; } if (!start) { return 0; }
start += 24; start += 24;
} }
@ -595,7 +595,7 @@ int parse_handshake(ws_ctx_t *ws_ctx, char *handshake) {
strncpy(headers->origin, start, end-start); strncpy(headers->origin, start, end-start);
headers->origin[end-start] = '\0'; headers->origin[end-start] = '\0';
start = strstr(handshake, "\r\nSec-WebSocket-Version: "); start = strcasestr(handshake, "\r\nSec-WebSocket-Version: ");
if (start) { if (start) {
// HyBi/RFC 6455 // HyBi/RFC 6455
start += 25; start += 25;
@ -605,7 +605,7 @@ int parse_handshake(ws_ctx_t *ws_ctx, char *handshake) {
ws_ctx->hixie = 0; ws_ctx->hixie = 0;
ws_ctx->hybi = strtol(headers->version, NULL, 10); ws_ctx->hybi = strtol(headers->version, NULL, 10);
start = strstr(handshake, "\r\nSec-WebSocket-Key: "); start = strcasestr(handshake, "\r\nSec-WebSocket-Key: ");
if (!start) { return 0; } if (!start) { return 0; }
start += 21; start += 21;
end = strstr(start, "\r\n"); end = strstr(start, "\r\n");
@ -619,7 +619,7 @@ int parse_handshake(ws_ctx_t *ws_ctx, char *handshake) {
strncpy(headers->connection, start, end-start); strncpy(headers->connection, start, end-start);
headers->connection[end-start] = '\0'; headers->connection[end-start] = '\0';
start = strstr(handshake, "\r\nSec-WebSocket-Protocol: "); start = strcasestr(handshake, "\r\nSec-WebSocket-Protocol: ");
if (!start) { return 0; } if (!start) { return 0; }
start += 26; start += 26;
end = strstr(start, "\r\n"); end = strstr(start, "\r\n");
@ -637,14 +637,14 @@ int parse_handshake(ws_ctx_t *ws_ctx, char *handshake) {
strncpy(headers->key3, start, 8); strncpy(headers->key3, start, 8);
headers->key3[8] = '\0'; headers->key3[8] = '\0';
start = strstr(handshake, "\r\nSec-WebSocket-Key1: "); start = strcasestr(handshake, "\r\nSec-WebSocket-Key1: ");
if (!start) { return 0; } if (!start) { return 0; }
start += 22; start += 22;
end = strstr(start, "\r\n"); end = strstr(start, "\r\n");
strncpy(headers->key1, start, end-start); strncpy(headers->key1, start, end-start);
headers->key1[end-start] = '\0'; headers->key1[end-start] = '\0';
start = strstr(handshake, "\r\nSec-WebSocket-Key2: "); start = strcasestr(handshake, "\r\nSec-WebSocket-Key2: ");
if (!start) { return 0; } if (!start) { return 0; }
start += 22; start += 22;
end = strstr(start, "\r\n"); end = strstr(start, "\r\n");