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authorGravatar Denys Vlasenko <vda.linux@googlemail.com>2017-09-01 17:06:12 +0200
committerGravatar Denys Vlasenko <vda.linux@googlemail.com>2017-09-01 17:06:12 +0200
commit94aaf4b5d3c649a281299aedba08ce1939780fb4 (patch)
tree8320cc26d31a1ad2975e3728ddb3b1f2703c9591 /networking/httpd.c
parente39da802dd6d3ccfb95865139f98b184db0e175b (diff)
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httpd: skip "Status: " from CGI, including space. Closes 10291
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
Diffstat (limited to 'networking/httpd.c')
-rw-r--r--networking/httpd.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/networking/httpd.c b/networking/httpd.c
index 9369de824..c82383507 100644
--- a/networking/httpd.c
+++ b/networking/httpd.c
@@ -1371,12 +1371,13 @@ static NOINLINE void cgi_io_loop_and_exit(int fromCgi_rd, int toCgi_wr, int post
out_cnt += count;
count = 0;
/* "Status" header format is: "Status: 302 Redirected\r\n" */
- if (out_cnt >= 7 && memcmp(rbuf, "Status:", 7) == 0) {
+ if (out_cnt >= 8 && memcmp(rbuf, "Status: ", 8) == 0) {
/* send "HTTP/1.0 " */
if (full_write(STDOUT_FILENO, HTTP_200, 9) != 9)
break;
- rbuf += 7; /* skip "Status:" */
- count = out_cnt - 7;
+ /* skip "Status: " (including space, sending "HTTP/1.0 NNN" is wrong) */
+ rbuf += 8;
+ count = out_cnt - 8;
out_cnt = -1; /* buffering off */
} else if (out_cnt >= 4) {
/* Did CGI add "HTTP"? */