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-rw-r--r--src/libtipidee/tipidee_fcgi_read.c15
-rw-r--r--src/tipideed/fastcgi.c37
2 files changed, 32 insertions, 20 deletions
diff --git a/src/libtipidee/tipidee_fcgi_read.c b/src/libtipidee/tipidee_fcgi_read.c
index 9b6dcb0..c185724 100644
--- a/src/libtipidee/tipidee_fcgi_read.c
+++ b/src/libtipidee/tipidee_fcgi_read.c
@@ -7,6 +7,7 @@
#include <skalibs/uint32.h>
#include <skalibs/stralloc.h>
#include <skalibs/unix-timed.h>
+#include <skalibs/lolstdio.h>
#include <tipidee/fcgi.h>
@@ -18,19 +19,23 @@ int tipidee_fcgi_read (tipidee_fcgi *fc, uint32_t *status, stralloc *sa, tain *s
uint16_t u ;
char hdr[8] ;
if (buffer_timed_get(&fc->b, hdr, 8, &fc->deadline, stamp) < 8) return -1 ;
+ LOLDEBUG("reading a header: version is %hhu - type is %hhu", hdr[0], hdr[1]) ;
if (hdr[0] != 1) return (errno = EPROTO, -1) ;
uint16_unpack_big(hdr + 2, &u) ;
+ LOLDEBUG(" id is %hu, client's was %hu", u, fc->id) ;
if (u != fc->id) return (errno = EPROTO, -1) ;
uint16_unpack_big(hdr + 4, &u) ;
+ LOLDEBUG("payload length is %hu", u) ;
switch (hdr[1])
{
- case FCGI_STDOUT : stream = 1 ;
- case FCGI_STDERR : stream = 2 ;
- case FCGI_END_REQUEST : stream = 0 ;
+ case FCGI_STDOUT : stream = 1 ; break ;
+ case FCGI_STDERR : stream = 2 ; break ;
+ case FCGI_END_REQUEST : stream = 0 ; break ;
default : return (errno = EPROTO, -1) ;
}
if (stream)
{
+ LOLDEBUG("stream is %d - reading %hu bytes", stream, u) ;
if (!stralloc_readyplus(sa, u)) return -1 ;
if (buffer_timed_get(&fc->b, sa->s + sa->len, u, &fc->deadline, stamp) < u) return -1 ;
sa->len += u ;
@@ -38,6 +43,7 @@ int tipidee_fcgi_read (tipidee_fcgi *fc, uint32_t *status, stralloc *sa, tain *s
else
{
char endreq[8] ;
+ LOLDEBUG("end request detected, %hu bytes", u) ;
if (u != 8) return (errno = EPROTO, -1) ;
if (buffer_timed_get(&fc->b, endreq, 8, &fc->deadline, stamp) < 8) return -1 ;
switch (endreq[4])
@@ -53,7 +59,8 @@ int tipidee_fcgi_read (tipidee_fcgi *fc, uint32_t *status, stralloc *sa, tain *s
if (hdr[6])
{
char tmp[(uint8_t)hdr[6]] ;
- if (buffer_timed_get(&fc->b, tmp, (uint8_t)hdr[6], &fc->deadline, stamp)) return -1 ;
+ LOLDEBUG("reading %hhu bytes of padding", (uint8_t)hdr[6]) ;
+ if (buffer_timed_get(&fc->b, tmp, (uint8_t)hdr[6], &fc->deadline, stamp) < (uint8_t)hdr[6]) return -1 ;
}
return stream ;
}
diff --git a/src/tipideed/fastcgi.c b/src/tipideed/fastcgi.c
index ffd2c84..3d650ba 100644
--- a/src/tipideed/fastcgi.c
+++ b/src/tipideed/fastcgi.c
@@ -90,9 +90,7 @@ static int parse_vars (stralloc *sa, char const *s, size_t len)
if (c & 0x10) { keystart = mark ; keylen = i - mark ; }
if (c & 0x20) mark = i ;
if (c & 0x40)
- {
if (!tipidee_fcgi_addenvb(sa, s + keystart, keylen, s + mark, i - mark)) return 0 ;
- }
}
return 1 ;
}
@@ -110,7 +108,6 @@ static void addenv (fctx *c, stralloc *sa, char const *key, char const *val)
static void prepare_env (fctx *c, tipidee_headers const *hdr, size_t bodylen, stralloc *sa)
{
- size_t docrootlen = strlen(c->docroot) ;
sa->len = 0 ;
if (!parse_vars(sa, g.sa.s + g.cwdlen + 1, g.sa.len - (g.cwdlen + 1)))
{
@@ -140,13 +137,13 @@ static void prepare_env (fctx *c, tipidee_headers const *hdr, size_t bodylen, st
{
size_t sublen = strlen(c->sub) ;
size_t pathlen = strlen(c->rql->uri.path) ;
- char val[pathlen - sublen - docrootlen + 1] ;
- memcpy(val, c->rql->uri.path + docrootlen, pathlen - sublen - docrootlen) ;
- val[pathlen - sublen - docrootlen] = 0 ;
+ char val[pathlen - sublen + 1] ;
+ memcpy(val, c->rql->uri.path, pathlen - sublen) ;
+ val[pathlen - sublen] = 0 ;
addenv(c, sa, "PATH_INFO", c->sub) ;
addenv(c, sa, "SCRIPT_NAME", val) ;
}
- else addenv(c, sa, "SCRIPT_NAME", c->rql->uri.path + docrootlen) ;
+ else addenv(c, sa, "SCRIPT_NAME", c->rql->uri.path) ;
addenv(c, sa, "SERVER_NAME", c->rql->uri.host) ;
addenv(c, sa, "SERVER_PROTOCOL", c->rql->http_minor ? "HTTP/1.1" : "HTTP/1.0") ;
@@ -191,8 +188,6 @@ static void do_write (fctx *c, char const *s, size_t len, uint64_t cl, uint64_t
{
tain wdeadline ;
tain_add_g(&wdeadline, &g.writetto) ;
- if (cl + len > *w)
- die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " sent more data than advertised") ;
if (!cl)
{
char fmt[SIZE_XFMT] ;
@@ -201,6 +196,11 @@ static void do_write (fctx *c, char const *s, size_t len, uint64_t cl, uint64_t
|| buffer_timed_put_g(buffer_1, "\r\n", 2, &wdeadline) < 2)
strerr_diefusys(111, "write to stdout") ;
}
+ else if (*w + len > cl)
+ {
+ strerr_warnw("fastcgi", " ", c->fn, " sent more data than advertised - truncating") ;
+ len = cl - *w ;
+ }
if (buffer_timed_put_g(buffer_1, s, len, &wdeadline) < len)
strerr_diefusys(111, "write to stdout") ;
if (!cl && buffer_timed_put_g(buffer_1, "\r\n", 2, &wdeadline) < 2)
@@ -225,11 +225,12 @@ static int do_fastcgi (fctx *c, int fd, tipidee_headers const *hdr, char const *
tipidee_headers_init(&rhdr, rhdrbuf, 4096) ;
tipidee_fcgi_startwrite(&c->fc, fd, getpid(), deadline) ;
- if (!tipidee_fcgi_beginrequest_g(&c->fc)) die500sys(c->rql, 111, c->docroot, "send request to ", "fastcgi", " ", c->fn) ;
- prepare_env(c, hdr, bodylen, &sa) ;
- if (bodylen && !tipidee_fcgi_stdin_g(&c->fc, body, bodylen)) die500sys(c->rql, 111, c->docroot, "send", " request body to ", "fastcgi", " ", c->fn) ;
- if (!tipidee_fcgi_stdin_g(&c->fc, 0, 0)) die500sys(c->rql, 111, c->docroot, "finish sending", " request body to ", "fastcgi", " ", c->fn) ;
+ if (!tipidee_fcgi_beginrequest_g(&c->fc)) die500sys(c->rql, 111, c->docroot, "send request", " to ", "fastcgi", " ", c->fn) ;
+ prepare_env(c, hdr, bodylen, &sa) ;
+ if (bodylen && !tipidee_fcgi_stdin_g(&c->fc, body, bodylen)) die500sys(c->rql, 111, c->docroot, "send", " request body", " to ", "fastcgi", " ", c->fn) ;
+ if (!tipidee_fcgi_stdin_g(&c->fc, 0, 0)) die500sys(c->rql, 111, c->docroot, "finish sending", " request body", " to ", "fastcgi", " ", c->fn) ;
+ if (!tipidee_fcgi_flush_g(&c->fc)) die500sys(c->rql, 111, c->docroot, "flush information", " to ", "fastcgi", " ", c->fn) ;
tipidee_fcgi_startread(&c->fc, fd, c->fc.id, deadline) ;
while (stream)
{
@@ -242,7 +243,7 @@ static int do_fastcgi (fctx *c, int fd, tipidee_headers const *hdr, char const *
case ENFILE: die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " is overloaded") ;
case EAFNOSUPPORT: die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " does not support the Responder role") ;
case EPROTO : die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " spoke a weird dialect") ;
- default : die502sys(c->rql, 111, c->docroot, "unable to ", "read", " from ", "fastcgi", " ", c->fn) ;
+ default : die502sys(c->rql, 111, c->docroot, "read", " from ", "fastcgi", " ", c->fn) ;
}
}
else if (stream == 1)
@@ -280,7 +281,7 @@ static int do_fastcgi (fctx *c, int fd, tipidee_headers const *hdr, char const *
if (i < sa.len) do_write(c, sa.s + i, sa.len - i, cl, &w) ;
}
else if (state == 1) do_write(c, sa.s, sa.len, cl, &w) ;
- else die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " kept sending FCGI_STDOUT data after EOF marker") ;
+ else strerr_dief(111, "fastcgi", " ", c->fn, " kept sending FCGI_STDOUT data after EOF marker") ;
cont:
if (!sa.len) state = 2 ;
sa.len = 0 ;
@@ -291,11 +292,15 @@ static int do_fastcgi (fctx *c, int fd, tipidee_headers const *hdr, char const *
tain_now_g() ;
sa.len = 0 ;
}
+ else if (w) strerr_dief(111, "fastcgi", " ", c->fn, " sent data on an unsupported stream") ;
else die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " sent data on an unsupported stream") ;
}
fd_close(fd) ;
if (cl && w < cl)
- die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " sent less data than advertised") ;
+ {
+ if (w) strerr_dief(111, "fastcgi", " ", c->fn, " sent less data than advertised") ;
+ else die502x(c->rql, 111, c->docroot, "fastcgi", " ", c->fn, " sent less data than advertised") ;
+ }
return 0 ;
}
generated by cgit v1.3.1 (git 2.54.0) at 2026-07-15 21:58:01 +0000