-const char parsers_rcs[] = "$Id: parsers.c,v 1.204 2009/08/19 15:25:31 fabiankeil Exp $";
+const char parsers_rcs[] = "$Id: parsers.c,v 1.213 2010/06/13 12:26:04 fabiankeil Exp $";
/*********************************************************************
*
* File : $Source: /cvsroot/ijbswa/current/parsers.c,v $
static jb_err server_keep_alive(struct client_state *csp, char **header);
static jb_err server_proxy_connection(struct client_state *csp, char **header);
static jb_err client_keep_alive(struct client_state *csp, char **header);
+static jb_err client_save_content_length(struct client_state *csp, char **header);
#endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
static jb_err client_host_adder (struct client_state *csp);
{ "if-modified-since:", 18, client_if_modified_since },
#ifdef FEATURE_CONNECTION_KEEP_ALIVE
{ "Keep-Alive:", 11, client_keep_alive },
+ { "Content-Length:", 15, client_save_content_length },
#else
{ "Keep-Alive:", 11, crumble },
#endif
jb_err add_to_iob(struct client_state *csp, char *buf, long n)
{
struct iob *iob = csp->iob;
- size_t used, offset, need, want;
+ size_t used, offset, need;
char *p;
if (n <= 0) return JB_ERR_OK;
if (need > iob->size)
{
- for (want = csp->iob->size ? csp->iob->size : 512; want <= need;) want *= 2;
+ size_t want = csp->iob->size ? csp->iob->size : 512;
+
+ while (want <= need)
+ {
+ want *= 2;
+ }
if (want <= csp->config->buffer_limit && NULL != (p = (char *)realloc(iob->buf, want)))
{
struct re_filterfile_spec *b;
struct list_entry *tag_name;
- int found_filters = 0;
const size_t header_length = strlen(header);
if (csp->flags & CSP_FLAG_CLIENT_HEADER_PARSING_DONE)
multi_action_index = ACTION_MULTI_CLIENT_HEADER_TAGGER;
}
- /* Check if there are any filters */
- for (i = 0; i < MAX_AF_FILES; i++)
- {
- fl = csp->rlist[i];
- if (NULL != fl)
- {
- if (NULL != fl->f)
- {
- found_filters = 1;
- break;
- }
- }
- }
-
- if (0 == found_filters)
+ if (filters_available(csp) == FALSE)
{
log_error(LOG_LEVEL_ERROR, "Inconsistent configuration: "
"tagging enabled, but no taggers available.");
struct re_filterfile_spec *b;
struct list_entry *filtername;
- int i, found_filters = 0;
+ int i;
int wanted_filter_type;
int multi_action_index;
multi_action_index = ACTION_MULTI_CLIENT_HEADER_FILTER;
}
- /*
- * Need to check the set of re_filterfiles...
- */
- for (i = 0; i < MAX_AF_FILES; i++)
- {
- fl = csp->rlist[i];
- if (NULL != fl)
- {
- if (NULL != fl->f)
- {
- found_filters = 1;
- break;
- }
- }
- }
-
- if (0 == found_filters)
+ if (filters_available(csp) == FALSE)
{
log_error(LOG_LEVEL_ERROR, "Inconsistent configuration: "
"header filtering enabled, but no matching filters available.");
return JB_ERR_OK;
}
+
+
+/*********************************************************************
+ *
+ * Function : get_content_length
+ *
+ * Description : Gets the content length specified in a
+ * Content-Length header.
+ *
+ * Parameters :
+ * 1 : header = The Content-Length header.
+ * 2 : length = Storage to return the value.
+ *
+ * Returns : JB_ERR_OK on success, or
+ * JB_ERR_PARSE if no value is recognized.
+ *
+ *********************************************************************/
+static jb_err get_content_length(const char *header, unsigned long long *length)
+{
+ assert(header[14] == ':');
+
+#ifdef _WIN32
+ assert(sizeof(unsigned long long) > 4);
+ if (1 != sscanf(header+14, ": %I64u", length))
+#else
+ if (1 != sscanf(header+14, ": %llu", length))
+#endif
+ {
+ return JB_ERR_PARSE;
+ }
+
+ return JB_ERR_OK;
+}
+
+
+/*********************************************************************
+ *
+ * Function : client_save_content_length
+ *
+ * Description : Save the Content-Length sent by the client.
+ *
+ * Parameters :
+ * 1 : csp = Current client state (buffers, headers, etc...)
+ * 2 : header = On input, pointer to header to modify.
+ * On output, pointer to the modified header, or NULL
+ * to remove the header. This function frees the
+ * original string if necessary.
+ *
+ * Returns : JB_ERR_OK on success, or
+ * JB_ERR_MEMORY on out-of-memory error.
+ *
+ *********************************************************************/
+static jb_err client_save_content_length(struct client_state *csp, char **header)
+{
+ unsigned long long content_length = 0;
+
+ assert(*(*header+14) == ':');
+
+ if (JB_ERR_OK != get_content_length(*header, &content_length))
+ {
+ log_error(LOG_LEVEL_ERROR, "Crunching invalid header: %s", *header);
+ freez(*header);
+ }
+ else
+ {
+ csp->expected_client_content_length = content_length;
+ }
+
+ return JB_ERR_OK;
+}
#endif /* def FEATURE_CONNECTION_KEEP_ALIVE */
assert(*(*header+14) == ':');
-#ifdef _WIN32
- if (1 != sscanf(*header+14, ": %I64u", &content_length))
-#else
- if (1 != sscanf(*header+14, ": %llu", &content_length))
-#endif
+ if (JB_ERR_OK != get_content_length(*header, &content_length))
{
log_error(LOG_LEVEL_ERROR, "Crunching invalid header: %s", *header);
freez(*header);
#endif
struct tm *timeptr = NULL;
time_t now, last_modified;
- long int days, hours, minutes, seconds;
/*
* Are we messing with the Last-Modified header?
long int rtime = (long int)difftime(now, last_modified);
if (rtime)
{
+ long int days, hours, minutes, seconds;
const int negative_delta = (rtime < 0);
if (negative_delta)
struct tm *timeptr = NULL;
time_t tm = 0;
const char *newval;
- long int hours, minutes, seconds;
char * endptr;
if ( 0 == strcmpic(*header, "If-Modified-Since: Wed, 08 Jun 1955 12:00:00 GMT"))
}
else
{
+ long int hours, minutes, seconds;
long int rtime = strtol(newval, &endptr, 0);
const int negative_range = (rtime < 0);
{
char *expiration_date = cur_tag + 8; /* Skip "[Ee]xpires=" */
+ if ((expiration_date[0] == '"')
+ && (expiration_date[1] != '\0'))
+ {
+ /*
+ * Skip quotation mark. RFC 2109 10.1.2 seems to hint
+ * that the expiration date isn't supposed to be quoted,
+ * but some servers do it anyway.
+ */
+ expiration_date++;
+ }
+
/* Did we detect the date properly? */
if (JB_ERR_OK != parse_header_time(expiration_date, &cookie_time))
{
projects / privoxy.git / blobdiff