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BUG/MINOR: httpclient/cli: display junk characters in vsn

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ist are not ended by '\0', leading to junk characters being displayed
when using %s for printing the HTTP start line.

Fix the issue by replacing %s by %.*s + istlen.

Must be backported in 2.5.
This commit is contained in:
William Lallemand 2022-02-16 11:37:02 +01:00
parent d544d33e10
commit de6ecc3ace
1 changed files with 2 additions and 1 deletions
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3
src/http_client.c
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@ -173,7 +173,8 @@ static int hc_cli_io_handler(struct appctx *appctx)
if (!trash)
goto out;
if (appctx->ctx.cli.i0 & HC_CLI_F_RES_STLINE) {
chunk_appendf(trash, "%s %d %s\n",istptr(hc->res.vsn), hc->res.status, istptr(hc->res.reason));
chunk_appendf(trash, "%.*s %d %.*s\n", (unsigned int)istlen(hc->res.vsn), istptr(hc->res.vsn),
hc->res.status, (unsigned int)istlen(hc->res.reason), istptr(hc->res.reason));
if (ci_putchk(si_ic(si), trash) == -1)
si_rx_room_blk(si);
appctx->ctx.cli.i0 &= ~HC_CLI_F_RES_STLINE;