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ftpd: allow -A if !FTPD_AUTHENTICATION as well

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Users will be able to use "ftpd -A" in scripts regardless of build config

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2018-04-07 14:18:42 +02:00
parent 8edaaced16
commit e0afe0a9fd
1 changed files with 13 additions and 12 deletions
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25
networking/ftpd.c
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@ -71,6 +71,10 @@
//usage: "\n -w Allow upload"
//usage: IF_FEATURE_FTPD_AUTHENTICATION(
//usage: "\n -A No login required, client access occurs under ftpd's UID"
//
// if !FTPD_AUTHENTICATION, -A is accepted too, but not shown in --help
// since it's the only supported mode in that configuration
//
//usage: "\n -a USER Enable 'anonymous' login and map it to USER"
//usage: )
//usage: "\n -v Log errors to stderr. -vv: verbose log"
@ -1157,14 +1161,12 @@ enum {
#if !BB_MMU
OPT_l = (1 << 0),
OPT_1 = (1 << 1),
OPT_A = (1 << 2),
#endif
BIT_v = (!BB_MMU) * 3,
OPT_v = (1 << (BIT_v + 0)),
OPT_S = (1 << (BIT_v + 1)),
OPT_w = (1 << (BIT_v + 2)) * ENABLE_FEATURE_FTPD_WRITE,
BIT_A = BIT_v + 2 + ENABLE_FEATURE_FTPD_WRITE,
OPT_A = (1 << (BIT_A + 0)) * ENABLE_FEATURE_FTPD_AUTHENTICATION,
BIT_A = (!BB_MMU) * 2,
OPT_A = (1 << (BIT_A + 0)),
OPT_v = (1 << (BIT_A + 1)),
OPT_S = (1 << (BIT_A + 2)),
OPT_w = (1 << (BIT_A + 3)) * ENABLE_FEATURE_FTPD_WRITE,
};
int ftpd_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
@ -1184,26 +1186,25 @@ int ftpd_main(int argc UNUSED_PARAM, char **argv)
verbose_S = 0;
G.timeout = 2 * 60;
#if BB_MMU
opts = getopt32(argv, "^" "vS"
IF_FEATURE_FTPD_WRITE("w") IF_FEATURE_FTPD_AUTHENTICATION("A")
opts = getopt32(argv, "^" "AvS" IF_FEATURE_FTPD_WRITE("w")
"t:+T:+" IF_FEATURE_FTPD_AUTHENTICATION("a:")
"\0" "vv:SS",
&G.timeout, &abs_timeout, IF_FEATURE_FTPD_AUTHENTICATION(&anon_opt,)
&G.verbose, &verbose_S
);
#else
opts = getopt32(argv, "^" "l1AvS"
IF_FEATURE_FTPD_WRITE("w") IF_FEATURE_FTPD_AUTHENTICATION("A")
opts = getopt32(argv, "^" "l1AvS" IF_FEATURE_FTPD_WRITE("w")
"t:+T:+" IF_FEATURE_FTPD_AUTHENTICATION("a:")
"\0" "vv:SS",
&G.timeout, &abs_timeout, IF_FEATURE_FTPD_AUTHENTICATION(&anon_opt,)
&G.verbose, &verbose_S
);
if (opts & (OPT_l|OPT_1)) {
/* Our secret backdoor to ls */
/* Our secret backdoor to ls: see popen_ls() */
if (fchdir(3) != 0)
_exit(127);
/* memset(&G, 0, sizeof(G)); - ls_main does it */
/* NB: in this case -A has a different meaning: like "ls -A" */
return ls_main(/*argc_unused*/ 0, argv);
}
#endif