1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
Index: scheduler/client.c
===================================================================
--- scheduler/client.c (revision 7820)
+++ scheduler/client.c (working copy)
@@ -28,6 +28,7 @@
* cupsdUpdateCGI() - Read status messages from CGI scripts and programs.
* cupsdWriteClient() - Write data to a client as needed.
* check_if_modified() - Decode an "If-Modified-Since" line.
+ * data_ready() - Check whether data is available from a client.
* encrypt_client() - Enable encryption for the client...
* get_cdsa_certificate() - Convert a keychain name into the CFArrayRef
* required by SSLSetCertificate.
@@ -83,6 +84,7 @@
static int check_if_modified(cupsd_client_t *con,
struct stat *filestats);
+static int data_ready(cupsd_client_t *con);
#ifdef HAVE_SSL
static int encrypt_client(cupsd_client_t *con);
#endif /* HAVE_SSL */
@@ -989,8 +991,7 @@
*/
while ((status = httpUpdate(HTTP(con))) == HTTP_CONTINUE)
- if (con->http.used == 0 ||
- !memchr(con->http.buffer, '\n', con->http.used))
+ if (!data_ready(con))
break;
if (status != HTTP_OK && status != HTTP_CONTINUE)
@@ -1889,7 +1890,7 @@
}
}
}
- while (con->http.state == HTTP_PUT_RECV && con->http.used > 0);
+ while (con->http.state == HTTP_PUT_RECV && data_ready(con));
if (con->http.state == HTTP_WAITING)
{
@@ -2064,7 +2065,7 @@
}
}
}
- while (con->http.state == HTTP_POST_RECV && con->http.used > 0);
+ while (con->http.state == HTTP_POST_RECV && data_ready(con));
if (con->http.state == HTTP_POST_SEND)
{
@@ -2914,7 +2915,39 @@
}
+/*
+ * 'data_ready()' - Check whether data is available from a client.
+ */
+
+static int /* O - 1 if data is ready, 0 otherwise */
+data_ready(cupsd_client_t *con) /* I - Client */
+{
+ if (con->http.used > 0)
+ return (1);
#ifdef HAVE_SSL
+ else if (con->http.tls)
+ {
+# ifdef HAVE_LIBSSL
+ if (SSL_pending((SSL *)(con->http.tls)))
+ return (1);
+# elif defined(HAVE_GNUTLS)
+ if (gnutls_record_check_pending(((http_tls_t *)(con->http.tls))->session))
+ return (1);
+# elif defined(HAVE_CDSASSL)
+ size_t bytes; /* Bytes that are available */
+
+ if (!SSLGetBufferedReadSize(((http_tls_t *)(con->http.tls))->session,
+ &bytes) && bytes > 0)
+ return (1);
+# endif /* HAVE_LIBSSL */
+ }
+#endif /* HAVE_SSL */
+
+ return (0);
+}
+
+
+#ifdef HAVE_SSL
/*
* 'encrypt_client()' - Enable encryption for the client...
*/
|
GitWeb