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BUG/MINOR: httpclient: check if hdr_num is not 0

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Check if hdr_num is not 0 before allocating or copying the headers to
the hc->hdrs space.
This commit is contained in:
William Lallemand 2021-08-20 11:59:49 +02:00
parent dfc3f8906d
commit 0d6f7790fb
1 changed files with 10 additions and 8 deletions
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18
src/http_client.c
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@ -533,15 +533,17 @@ static void httpclient_applet_io_handler(struct appctx *appctx)
hdr_num++;
}
/* alloc and copy the headers in the httpclient struct */
hc->res.hdrs = calloc((hdr_num + 1), sizeof(*hc->res.hdrs));
if (!hc->res.hdrs)
goto end;
memcpy(hc->res.hdrs, hdrs, sizeof(struct http_hdr) * (hdr_num + 1));
if (hdr_num) {
/* alloc and copy the headers in the httpclient struct */
hc->res.hdrs = calloc((hdr_num + 1), sizeof(*hc->res.hdrs));
if (!hc->res.hdrs)
goto end;
memcpy(hc->res.hdrs, hdrs, sizeof(struct http_hdr) * (hdr_num + 1));
/* caller callback */
if (hc->ops.res_headers)
hc->ops.res_headers(hc);
/* caller callback */
if (hc->ops.res_headers)
hc->ops.res_headers(hc);
}
/* if there is no HTX data anymore and the EOM flag is
* set, leave (no body) */