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varnish-cache
Commit c0330b42 authored by Poul-Henning Kamp's avatar Poul-Henning Kamp
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Tabelize a lot of rfc7540 "MUST" error handling

parent e9f32d62
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Showing with 111 additions and 47 deletions
bin/varnishd/http2/cache_http2.h
View file @ c0330b42
......@@ -54,7 +54,7 @@ typedef const struct h2_error_s *h2_error;
enum h2_frame_e {
H2_FRAME__DUMMY = -1,
#define H2_FRAME(l,u,t,f) H2_FRAME_##u = t,
#define H2_FRAME(l,u,t,f,...) H2_FRAME_##u = t,
#include "tbl/h2_frames.h"
};
......
bin/varnishd/http2/cache_http2_proto.c
View file @ c0330b42
......@@ -55,7 +55,7 @@
typedef h2_error h2_frame_f(struct worker *, struct h2_sess *, struct h2_req *);
enum h2frame {
#define H2_FRAME(l,u,t,f) H2F_##u = t,
#define H2_FRAME(l,u,t,f,...) H2F_##u = t,
#include "tbl/h2_frames.h"
};
......@@ -64,7 +64,7 @@ h2_framename(enum h2frame h2f)
{
switch(h2f) {
#define H2_FRAME(l,u,t,f) case H2F_##u: return #u;
#define H2_FRAME(l,u,t,f,...) case H2F_##u: return #u;
#include "tbl/h2_frames.h"
default:
return (NULL);
......@@ -557,10 +557,13 @@ struct h2flist_s {
const char *name;
h2_frame_f *func;
uint8_t flags;
h2_error act_szero;
h2_error act_snonzero;
h2_error act_sidle;
};
static const struct h2flist_s h2flist[] = {
#define H2_FRAME(l,U,t,f) [t] = { #U, h2_rx_##l, f },
#define H2_FRAME(l,U,t,f,az,anz,ai) [t] = { #U, h2_rx_##l, f, az, anz,ai },
#include "tbl/h2_frames.h"
};
......@@ -574,6 +577,38 @@ h2_procframe(struct worker *wrk, struct h2_sess *h2)
h2_error h2e;
char b[4];
if (h2->rxf_type >= H2FMAX) {
// rfc7540,l,679,681
h2->bogosity++;
VSLb(h2->vsl, SLT_Debug,
"H2: Unknown Frame 0x%02x", h2->rxf_type);
return (0);
}
h2f = h2flist + h2->rxf_type;
if (h2f->name == NULL || h2f->func == NULL) {
// rfc7540,l,679,681
h2->bogosity++;
VSLb(h2->vsl, SLT_Debug,
"H2: Unimplemented Frame 0x%02x", h2->rxf_type);
return (0);
}
if (h2->rxf_flags & ~h2f->flags) {
// rfc7540,l,687,688
h2->bogosity++;
VSLb(h2->vsl, SLT_Debug, "H2: Bad flags 0x%02x on %s",
h2->rxf_flags, h2f->name);
h2->rxf_flags &= h2f->flags;
}
if (h2->rxf_stream == 0 && h2f->act_szero != 0)
return (h2f->act_szero);
if (h2->rxf_stream != 0 && h2f->act_snonzero != 0)
return (h2f->act_snonzero);
if (h2->rxf_stream > h2->highest_stream && h2f->act_sidle != 0)
return (h2f->act_sidle);
if (h2->rxf_stream != 0 && !(h2->rxf_stream & 1)) {
// rfc7540,l,1140,1145
// rfc7540,l,1153,1158
......@@ -594,7 +629,7 @@ h2_procframe(struct worker *wrk, struct h2_sess *h2)
if (h2->rxf_stream == 0) // rfc7540,l,1993,1996
return (H2CE_PROTOCOL_ERROR);
if (h2->rxf_stream > h2->highest_stream)// rfc7540,l,1998,2001
return (H2CE_PROTOCOL_ERROR);
return (H2CE_PROTOCOL_ERROR);
if (r2 == NULL)
return (0);
}
......@@ -607,28 +642,6 @@ h2_procframe(struct worker *wrk, struct h2_sess *h2)
AN(r2);
}
if (h2->rxf_type >= H2FMAX) {
// rfc7540,l,679,681
h2->bogosity++;
VSLb(h2->vsl, SLT_Debug,
"H2: Unknown Frame 0x%02x", h2->rxf_type);
return (0);
}
h2f = h2flist + h2->rxf_type;
if (h2f->name == NULL || h2f->func == NULL) {
// rfc7540,l,679,681
h2->bogosity++;
VSLb(h2->vsl, SLT_Debug,
"H2: Unimplemented Frame 0x%02x", h2->rxf_type);
return (0);
}
if (h2->rxf_flags & ~h2f->flags) {
// rfc7540,l,687,688
h2->bogosity++;
VSLb(h2->vsl, SLT_Debug, "H2: Bad flags 0x%02x on %s",
h2->rxf_flags, h2f->name);
h2->rxf_flags &= h2f->flags;
}
h2e = h2f->func(wrk, h2, r2);
if (h2e == 0)
return (0);
......
bin/varnishtest/tests/t02003.vtc
View file @ c0330b42
......@@ -35,10 +35,10 @@ client c1 {
expect goaway.err == PROTOCOL_ERROR
} -start
stream 3 {
txwinup -size 1
txprio
} -run
stream 1 {
txwinup -size 1
txprio
} -run
stream 0 -wait
} -run
......@@ -48,11 +48,13 @@ client c1 {
client c1 {
stream 1 {
txprio
txwinup -size 0
rxrst
expect rst.err == PROTOCOL_ERROR
} -run
stream 3 {
txprio
txwinup -size 0x40000000
txwinup -size 0x40000000
rxrst
......@@ -64,6 +66,7 @@ client c1 {
expect goaway.err == FRAME_SIZE_ERROR
} -start
stream 5 {
txprio
sendhex "000003 08 00 00000005 010203"
} -run
stream 0 -wait
......@@ -97,7 +100,7 @@ client c1 {
stream 0 {
rxgoaway
expect goaway.err == PROTOCOL_ERROR
expect goaway.laststream == 1
expect goaway.laststream == 0
} -start
stream 1 {
sendhex "000008 05 00 00000001 0001020304050607"
......@@ -119,12 +122,16 @@ client c1 {
client c1 {
stream 0 {
# RST wrong length
sendhex "000005 03 00 00000001 0000000800"
rxgoaway
expect goaway.err == FRAME_SIZE_ERROR
expect goaway.laststream == 0
expect goaway.laststream == 1
} -start
stream 1 {
txprio
# RST wrong length
sendhex "000005 03 00 00000001 0000000800"
} -run
stream 0 -wait
} -run
client c1 {
......@@ -132,7 +139,7 @@ client c1 {
# RST stream zero
sendhex "000000 03 00 00000000 00000008"
rxgoaway
expect goaway.err == FRAME_SIZE_ERROR
expect goaway.err == PROTOCOL_ERROR
expect goaway.laststream == 0
} -run
} -run
bin/varnishtest/vtc_http2.c
View file @ c0330b42
......@@ -62,7 +62,7 @@ static const char *const h2_errs[] = {
};
static const char *const h2_types[] = {
#define H2_FRAME(l,u,t,f) [t] = #u,
#define H2_FRAME(l,u,t,f,...) [t] = #u,
#include <tbl/h2_frames.h>
NULL
};
......@@ -77,7 +77,7 @@ static const char * const h2_settings[] = {
};
enum h2_type {
#define H2_FRAME(l,u,t,f) TYPE_##u = t,
#define H2_FRAME(l,u,t,f,...) TYPE_##u = t,
#include <tbl/h2_frames.h>
TYPE_MAX
};
......
include/tbl/h2_frames.h
View file @ c0330b42
......@@ -31,17 +31,61 @@
/*lint -save -e525 -e539 */
#ifdef H2_FRAME
/* lower, upper, type, valid flags */
H2_FRAME(data, DATA, 0x0, 0x09)
H2_FRAME(headers, HEADERS, 0x1, 0x2d)
H2_FRAME(priority, PRIORITY, 0x2, 0x00)
H2_FRAME(rst_stream, RST_STREAM, 0x3, 0x00)
H2_FRAME(settings, SETTINGS, 0x4, 0x01)
H2_FRAME(push_promise, PUSH_PROMISE, 0x5, 0x0c)
H2_FRAME(ping, PING, 0x6, 0x01)
H2_FRAME(goaway, GOAWAY, 0x7, 0x00)
H2_FRAME(window_update, WINDOW_UPDATE, 0x8, 0x00)
H2_FRAME(continuation, CONTINUATION, 0x9, 0x04)
/* lower, upper, type, flags
* stream-zero
* stream-nonzero
* stream-idle
*/
H2_FRAME(data, DATA, 0x0, 0x09,
H2CE_PROTOCOL_ERROR, // rfc7540,l,1758,1761
0,
H2CE_PROTOCOL_ERROR
)
H2_FRAME(headers, HEADERS, 0x1, 0x2d,
H2CE_PROTOCOL_ERROR, // rfc7540,l,1876,1879
0,
0 // rfc7540,l,938,940
)
H2_FRAME(priority, PRIORITY, 0x2, 0x00,
H2CE_PROTOCOL_ERROR, // rfc7540,l,1933,1936
0,
0 // rfc7540,l,938,940
)
H2_FRAME(rst_stream, RST_STREAM, 0x3, 0x00,
H2CE_PROTOCOL_ERROR, // rfc7540,l,1993,1996
0,
H2CE_PROTOCOL_ERROR
)
H2_FRAME(settings, SETTINGS, 0x4, 0x01,
0,
H2CE_PROTOCOL_ERROR, // rfc7540,l,2052,2056
H2CE_PROTOCOL_ERROR
)
H2_FRAME(push_promise, PUSH_PROMISE, 0x5, 0x0c,
H2CE_PROTOCOL_ERROR, // rfc7540,l,2262,2263
0,
H2CE_PROTOCOL_ERROR
)
H2_FRAME(ping, PING, 0x6, 0x01,
0,
H2CE_PROTOCOL_ERROR, // rfc7540,l,2359,2362
H2CE_PROTOCOL_ERROR
)
H2_FRAME(goaway, GOAWAY, 0x7, 0x00,
0,
H2CE_PROTOCOL_ERROR, // rfc7540,l,2432,2435
H2CE_PROTOCOL_ERROR
)
H2_FRAME(window_update, WINDOW_UPDATE, 0x8, 0x00,
0,
0,
H2CE_PROTOCOL_ERROR
)
H2_FRAME(continuation, CONTINUATION, 0x9, 0x04,
H2CE_PROTOCOL_ERROR, // rfc7540,l,2764,2767
0,
H2CE_PROTOCOL_ERROR
)
#undef H2_FRAME
#endif
......
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