From 152cd33d83bdeda2950162c382f4dd83d05ef89a Mon Sep 17 00:00:00 2001
From: Felicia Seo <seofelicia@beech.rlogin>
Date: Sun, 11 Dec 2022 18:51:41 -0500
Subject: [PATCH] 95/95git add http.c socket.c!

---
 src/http.c   | 27 +++++++++++++++++++++++---
 src/socket.c | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 77 insertions(+), 5 deletions(-)

diff --git a/src/http.c b/src/http.c
index 610003a..694b2b0 100644
--- a/src/http.c
+++ b/src/http.c
@@ -123,12 +123,19 @@ http_process_headers(struct http_transaction *ta)
          * are zero-terminated strings.
          */
         if (!strcasecmp(field_name, "Cookie")) {
-			if ((field_value == NULL) || (strlen(field_value) <= 11))
+			
+			char* cookie2;
+			char* cookie1 = strtok_r(field_value, ";", &cookie2);
+			cookie2++;
+			
+			ta->extra_cookie = cookie2;
+			
+			if ((cookie1 == NULL) || (strlen(cookie1) <= 11))
 			{
 				ta->resp_status = HTTP_PERMISSION_DENIED;
 				return false;
 			}
-			ta->token = field_value + 11; // + 11 gets rid of "auth_token=" heading.
+			ta->token = cookie1 + 11; // + 11 gets rid of "auth_token=" heading.
 			
 			ta->valid_token = validate_token_exp(ta, ta->token);
 		}
@@ -664,7 +671,21 @@ handle_private(struct http_transaction *ta)
 		ta->resp_status = HTTP_OK;
         return handle_static_asset(ta, server_root);
     }
-    return send_error(ta, HTTP_PERMISSION_DENIED, "invalid token");
+    
+    
+    if ((ta->extra_cookie == NULL) || (strlen(ta->extra_cookie) <= 11)) {
+		return send_error(ta, HTTP_PERMISSION_DENIED, "???");
+	}
+	
+	ta->token = ta->extra_cookie + 11; // + 11 gets rid of "auth_token=" heading.
+	ta->valid_token = validate_token_exp(ta, ta->token);
+	
+	if (ta->valid_token) {
+		ta->resp_status = HTTP_OK;
+        return handle_static_asset(ta, server_root);
+    }
+    
+    return send_error(ta, HTTP_PERMISSION_DENIED, "???");
 }
 
 /* Handle a single HTTP transaction.  Returns true on success. */
diff --git a/src/socket.c b/src/socket.c
index 0e59813..b38516d 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -54,6 +54,7 @@ socket_open_bind_listen(char * port_number_string, int backlog)
     }
 
     char printed_addr[1024];
+    
     for (pinfo = info; pinfo; pinfo = pinfo->ai_next) {
         assert (pinfo->ai_protocol == IPPROTO_TCP);
         int rc = getnameinfo(pinfo->ai_addr, pinfo->ai_addrlen,
@@ -73,8 +74,58 @@ socket_open_bind_listen(char * port_number_string, int backlog)
         /* Skip any non-IPv4 addresses.  
          * Adding support for protocol independence/IPv6 is part of the project.
          */
-        //if (pinfo->ai_family != AF_INET)
-            //continue;
+        if (pinfo->ai_family != AF_INET6)
+            continue;
+
+        int s = socket(pinfo->ai_family, pinfo->ai_socktype, pinfo->ai_protocol);
+        if (s == -1) {
+            perror("socket");
+            return -1;
+        }
+
+        // See https://stackoverflow.com/a/3233022 for a good explanation of what this does
+        int opt = 1;
+        setsockopt (s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof (opt));
+
+        rc = bind(s, pinfo->ai_addr, pinfo->ai_addrlen);
+        if (rc == -1) {
+            perror("bind");
+            close(s);
+            return -1;
+        }
+
+        rc = listen(s, backlog);
+        if (rc == -1) {
+            perror("listen");
+            close(s);
+            return -1;
+        }
+
+        freeaddrinfo(info);
+        return s;
+    }
+    
+    for (pinfo = info; pinfo; pinfo = pinfo->ai_next) {
+        assert (pinfo->ai_protocol == IPPROTO_TCP);
+        int rc = getnameinfo(pinfo->ai_addr, pinfo->ai_addrlen,
+                             printed_addr, sizeof printed_addr, NULL, 0,
+                             NI_NUMERICHOST);
+        if (rc != 0) {
+            fprintf(stderr, "getnameinfo error: %s\n", gai_strerror(rc));
+            return -1;
+        }
+
+        /* Uncomment this to see the address returned
+        printf("%s: %s\n", pinfo->ai_family == AF_INET ? "AF_INET" :
+                           pinfo->ai_family == AF_INET6 ? "AF_INET6" : "?", 
+                           printed_addr);
+        */
+
+        /* Skip any non-IPv4 addresses.  
+         * Adding support for protocol independence/IPv6 is part of the project.
+         */
+        if (pinfo->ai_family != AF_INET)
+            continue;
 
         int s = socket(pinfo->ai_family, pinfo->ai_socktype, pinfo->ai_protocol);
         if (s == -1) {