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inetd: if argv[0] is not specified, set it to program name

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With inetd.conf files that skip argv[], inetd execs programs with argc==0.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Mike Frysinger 2010-11-22 04:57:37 +01:00 committed by Denys Vlasenko
parent f3763033e4
commit a945f6190b
1 changed files with 6 additions and 0 deletions
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6
networking/inetd.c
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@ -778,6 +778,12 @@ static servtab_t *parse_one_line(void)
argc = 0;
while ((arg = token[6+argc]) != NULL && argc < MAXARGV)
sep->se_argv[argc++] = xstrdup(arg);
/* Some inetd.conf files have no argv's, not even argv[0].
* Fix them up.
* (Technically, programs can be execed with argv[0] = NULL,
* but many programs do not like that at all) */
if (argc == 0)
sep->se_argv[0] = xstrdup(sep->se_program);
/* catch mixups. "<service> stream udp ..." == wtf */
if (sep->se_socktype == SOCK_STREAM) {