-#include <stdlib.h>
-#include <unistd.h>
-#include <stdio.h>
-#include <signal.h>
-#include <sys/types.h>
-#include <ctype.h>
-#include <string.h>
+/*
+ * $Id$
+ */
+/**
+ * \defgroup CookieConversion Grep Cookies
+ * Utility functions which convert the HTTP cookie format we use to and
+ * from user/password/room strings.
+ *
+ */
+/*@{*/
#include "webcit.h"
-#include "child.h"
-/*
- * Pack all session info into one easy-to-digest cookie. Healthy and delicious!
+
+#define TRUE 1 /**< for sure? */
+#define FALSE 0 /**< nope. */
+
+typedef unsigned char byte; /**< Byte type */
+
+/**
+ * \brief find cookie
+ * Pack all session info into one easy-to-digest cookie. Healthy and delicious!
+ * \param cookie cookie string to create???
+ * \param session the session we want to convert into a cookie
+ * \param user the user to be associated with the cookie
+ * \param pass his passphrase
+ * \param room the room he wants to enter
*/
-void stuff_to_cookie(char *cookie, int session, char *user, char *pass, char *room, int nofr) {
- char buf[256];
+void stuff_to_cookie(char *cookie, int session,
+ char *user, char *pass, char *room)
+{
+ char buf[SIZ];
int i;
- sprintf(buf, "%d|%s|%s|%s|%d", session, user, pass, room, nofr);
+ sprintf(buf, "%d|%s|%s|%s|", session, user, pass, room);
strcpy(cookie, "");
-
- for (i=0; i<strlen(buf); ++i)
- sprintf(&cookie[strlen(cookie)], "%02X", buf[i]);
-
+ for (i=0; i<strlen(buf); ++i) {
+ sprintf(&cookie[i*2], "%02X", buf[i]);
+ }
}
+/**
+ * \brief some bytefoo ????
+ * \param in the string to chop
+ * \param len the length of the string
+ * \return the corrosponding integer value
+ */
+int xtoi(char *in, size_t len)
+{
+ int val = 0;
+ while (isxdigit((byte) *in) && (len-- > 0)) {
+ char c = *in++;
+ val <<= 4;
+ val += isdigit((unsigned char)c)
+ ? (c - '0')
+ : (tolower((unsigned char)c) - 'a' + 10);
+ }
+ return val;
+}
-/*
- * Extract all that fun stuff out of the cookie.
+/**
+ * \brief Extract all that fun stuff out of the cookie.
+ * \param cookie the cookie string
+ * \param session the corrosponding session to return
+ * \param user the user string
+ * \param user_len the user stringlength
+ * \param pass the passphrase
+ * \param pass_len length of the passphrase string
+ * \param room the room he is in
+ * \param room_len the length of the room string
*/
-void cookie_to_stuff(char *cookie, int *session, char *user, char *pass, char *room, int *nofr) {
- char buf[256];
- int i;
+void cookie_to_stuff(char *cookie, int *session,
+ char *user, size_t user_len,
+ char *pass, size_t pass_len,
+ char *room, size_t room_len)
+{
+ char buf[SIZ];
+ int i, len;
- for (i=0; i<strlen(cookie); i=i+2) {
- sscanf(&cookie[i], "%02x", (unsigned int *)&buf[i/2]);
- buf[(i/2)+1] = 0;
+ strcpy(buf, "");
+ len = strlen(cookie) * 2 ;
+ for (i=0; i<len; ++i) {
+ buf[i] = xtoi(&cookie[i*2], 2);
+ buf[i+1] = 0;
}
- if (session != NULL) *session = extract_int(buf, 0);
- if (user != NULL) extract(user, buf, 1);
- if (pass != NULL) extract(pass, buf, 2);
- if (room != NULL) extract(room, buf, 3);
- if (nofr != NULL) *nofr = extract_int(buf, 4);
+ if (session != NULL)
+ *session = extract_int(buf, 0);
+ if (user != NULL)
+ extract_token(user, buf, 1, '|', user_len);
+ if (pass != NULL)
+ extract_token(pass, buf, 2, '|', pass_len);
+ if (room != NULL)
+ extract_token(room, buf, 3, '|', room_len);
}
+/*@}*/