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[core] Fix recursive include_shell invocations 

When the output of include_shell calls include_shell itself,
that second invocation must not truncate the buffer used for the
outer include_shell.

This might sound like a pathological setup in itself, but with
e.g.  debian's include-conf-enabled.pl, which outputs a list of
include statements for all files in /etc/lighttpd/conf-enabled,
if any of the *.conf files in that directory invokes include_shell,
the parsing of the rest of the files in that directory is effectively
aborted.

This fixes a regression since commit
a46bc4f5de in such setups.

github: closes #95
This commit is contained in:
Martin Storsjö 2019-01-25 23:39:52 +02:00 committed by Glenn Strauss
parent b17d3c2407
commit 3ac7764cfe
1 changed files with 2 additions and 2 deletions
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4
src/configfile.c
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@ -1437,8 +1437,7 @@ int config_parse_cmd(server *srv, config_t *context, const char *cmd) {
ssize_t rd;
pid_t wpid;
int wstatus;
buffer *out = srv->tmp_buf;
buffer_clear(out);
buffer *out = buffer_init();
close(fds[1]);
fds[1] = -1;
do {
@ -1471,6 +1470,7 @@ int config_parse_cmd(server *srv, config_t *context, const char *cmd) {
ret = config_parse(srv, context, &t);
buffer_free(source);
}
buffer_free(out);
}
if (-1 != fds[0]) close(fds[0]);
if (-1 != fds[1]) close(fds[1]);