archive_handle = init_handle();
- bb_opt_complementally = "!p~tx:t~px:x~pt";
+ bb_opt_complementally = "?p~tx:t~px:x~pt";
opt = bb_getopt_ulflags(argc, argv, "ptxovcr");
if ((opt == 0) || (optind == argc)) {
control_tar_llist = llist_add_to(control_tar_llist, "control.tar.bz2");
#endif
- bb_opt_complementally = "!c~efXx:e~cfXx:f~ceXx:X~cefx:x~cefX";
+ bb_opt_complementally = "?c~efXx:e~cfXx:f~ceXx:X~cefx:x~cefX";
opt = bb_getopt_ulflags(argc, argv, "cefXx");
if (opt & DPKG_DEB_OPT_CONTENTS) {
tar_handle = init_handle();
tar_handle->flags = ARCHIVE_CREATE_LEADING_DIRS | ARCHIVE_PRESERVE_DATE | ARCHIVE_EXTRACT_UNCONDITIONAL;
- bb_opt_complementally = "!c~tx:t~cx:x~ct:X*:T*";
+ bb_opt_complementally = "?c~tx:t~cx:x~ct:X*:T*";
#ifdef CONFIG_FEATURE_TAR_LONG_OPTIONS
bb_applet_long_options = tar_long_options;
#endif
#else
# define GETOPT_ISOFMT
#endif
- bb_opt_complementally = "!d~ds:s~ds";
+ bb_opt_complementally = "?d~ds:s~ds";
opt = bb_getopt_ulflags(argc, argv, "Rs:ud:r:" GETOPT_ISOFMT,
&date_str, &date_str, &filename
#ifdef CONFIG_FEATURE_DATE_ISOFMT
/* BB_AUDIT SUSv3 _NOT_ compliant -- option -G is not currently supported. */
/* Hacked by Tito Ragusa (C) 2004 to handle usernames of whatever length and to
- * be more similar to GNU id.
+ * be more similar to GNU id.
*/
#include "busybox.h"
#define JUST_GROUP 8
static short printf_full(unsigned int id, const char *arg, const char prefix)
-{
+{
const char *fmt = "%cid=%u";
short status=EXIT_FAILURE;
-
+
if(arg) {
fmt = "%cid=%u(%s)";
status=EXIT_SUCCESS;
unsigned long flags;
short status;
- bb_opt_complementally = "!u~g:g~u";
+ /* Don't allow -n -r -nr -ug -rug -nug -rnug */
+ bb_opt_complementally = "?u~g:g~u:r?ug:n?ug";
flags = bb_getopt_ulflags(argc, argv, "rnug");
- /* Don't allow -n -r -nr */
- if ((flags <= 3 && flags > 0)
/* Don't allow more than one username */
- || (argc > optind + 1))
+ if (argc > (optind + 1))
bb_show_usage();
-
+
/* This values could be overwritten later */
uid = geteuid();
gid = getegid();
uid = getuid();
gid = getgid();
}
-
+
if(argv[optind]) {
p=getpwnam(argv[optind]);
/* bb_xgetpwnam is needed because it exits on failure */
uid = bb_xgetpwnam(argv[optind]);
gid = p->pw_gid;
- /* in this case PRINT_REAL is the same */
+ /* in this case PRINT_REAL is the same */
}
if(flags & (JUST_GROUP | JUST_USER)) {
} else {
bb_printf("%u\n",(flags & JUST_USER) ? uid : gid);
}
- /* exit */
+ /* exit */
bb_fflush_stdout_and_exit(EXIT_SUCCESS);
}
int ret = EXIT_SUCCESS, flags, i, isdir;
bb_applet_long_options = install_long_options;
- bb_opt_complementally = "!s~d:d~s";
+ bb_opt_complementally = "?s~d:d~s";
/* -c exists for backwards compatability, its needed */
flags = bb_getopt_ulflags(argc, argv, "cdpsg:m:o:", &gid_str, &mode_str, &uid_str); /* 'a' must be 2nd */
static const struct option ssd_long_options[] = {
- { "stop", 0, NULL, 'K' },
- { "start", 0, NULL, 'S' },
+ { "stop", 0, NULL, 'K' },
+ { "start", 0, NULL, 'S' },
{ "background", 0, NULL, 'b' },
- { "quiet", 0, NULL, 'q' },
+ { "quiet", 0, NULL, 'q' },
{ "make-pidfile", 0, NULL, 'm' },
{ "startas", 1, NULL, 'a' },
- { "name", 1, NULL, 'n' },
- { "signal", 1, NULL, 's' },
- { "user", 1, NULL, 'u' },
- { "exec", 1, NULL, 'x' },
+ { "name", 1, NULL, 'n' },
+ { "signal", 1, NULL, 's' },
+ { "user", 1, NULL, 'u' },
+ { "exec", 1, NULL, 'x' },
{ "pidfile", 1, NULL, 'p' },
- { 0, 0, 0, 0 }
+ { 0, 0, 0, 0 }
};
#define SSD_CTX_STOP 1
bb_applet_long_options = ssd_long_options;
- bb_opt_complementally = "!K~S:S~K";
+ /* Check required one context option was given */
+ bb_opt_complementally = "?:K?K:S?S:K~S:S~K";
opt = bb_getopt_ulflags(argc, argv, "KSbqma:n:s:u:x:p:",
&startas, &cmdname, &signame, &userspec, &execname, &pidfile);
- /* Check required one context option was given */
- if ((opt & (SSD_CTX_STOP | SSD_CTX_START)) == 0) {
- bb_show_usage();
- }
-
- if (opt & SSD_OPT_QUIET)
- quiet = 1;
+
+ quiet = opt & SSD_OPT_QUIET;
if (signame) {
signal_nr = bb_xgetlarg(signame, 10, 0, NSIG);
if (flags & BB_GETOPT_ERROR)
bb_show_usage();
- "!" If previous point set BB_GETOPT_ERROR, don`t return and call
- previous example internally
+ "?" A "ask" as the first char in a bb_opt_complementally group give:
+ if previous point set BB_GETOPT_ERROR, don`t return and
+ call previous example internally
"*" A star after a char in bb_opt_complementally means that the
option can occur multiple times:
$ grep -e user -e root /etc/passwd
root:x:0:0:root:/root:/bin/bash
user:x:500:500::/home/user:/bin/bash
+
+ "?" A "ask" between main and group options causes the second of the two
+ to be depending required if first is given on the command line.
+ For example from "id" applet:
+
+ // Don't allow -n -r -rn -ug -rug -nug -rnug
+ bb_opt_complementally = "?u~g:g~u:r?ug:n?ug";
+ flags = bb_getopt_ulflags(argc, argv, "rnug");
+
+ This example allowed only:
+ $ id; id -u; id -g; id -ru; id -nu; id -rg; id -ng; id -rnu; id -rng
+
+ "?" A "ask" between equivalent options in bb_opt_complementally means
+ requires this option always, checked after switch off from
+ complementally logic
+ For example from "start-stop-daemon" applet:
+
+ // Don't allow -KS -SK, but -S or -K required
+ bb_opt_complementally = "?:K?K:S?S:K~S:S~K";
+ flags = bb_getopt_ulflags(argc, argv, "KS...);
+
*/
const char *bb_opt_complementally;
typedef struct {
- unsigned char opt;
- char list_flg;
+ int opt;
+ int list_flg;
unsigned long switch_on;
unsigned long switch_off;
unsigned long incongruously;
+ unsigned long requires;
void **optarg; /* char **optarg or llist_t **optarg */
int *counter;
} t_complementally;
bb_getopt_ulflags (int argc, char **argv, const char *applet_opts, ...)
{
unsigned long flags = 0;
+ unsigned long requires = 0;
t_complementally complementally[sizeof(flags) * 8 + 1];
int c;
const unsigned char *s;
t_complementally *on_off;
va_list p;
const struct option *l_o;
- char flg_show_usage_if_error = 0;
- char flg_argv_is_opts = 0;
unsigned long trigger;
char **pargv = NULL;
+#define SHOW_USAGE_IF_ERROR 1
+#define ARGV_IS_OPTS 2
+ int spec_flgs = 0;
+
va_start (p, applet_opts);
/* skip GNU extension */
c = 0;
on_off = complementally;
+ memset(on_off, 0, sizeof(complementally));
+
for (; *s; s++) {
if(c >= (int)(sizeof(flags)*8))
break;
on_off->opt = *s;
on_off->switch_on = (1 << c);
- on_off->list_flg = 0;
- on_off->switch_off = 0;
- on_off->incongruously = 0;
- on_off->optarg = NULL;
- on_off->counter = NULL;
if (s[1] == ':') {
on_off->optarg = va_arg (p, void **);
do
on_off++;
c++;
}
- on_off->opt = 0;
for(l_o = bb_applet_long_options; l_o->name; l_o++) {
+ if(l_o->flag)
+ continue;
for(on_off = complementally; on_off->opt != 0; on_off++)
if(on_off->opt == l_o->val)
break;
break;
on_off->opt = l_o->val;
on_off->switch_on = (1 << c);
- on_off->list_flg = 0;
- on_off->switch_off = 0;
- on_off->incongruously = 0;
- on_off->counter = NULL;
if(l_o->has_arg != no_argument)
on_off->optarg = va_arg (p, void **);
- else
- on_off->optarg = NULL;
- on_off++;
- on_off->opt = 0;
c++;
}
}
}
if (c)
continue;
- if(*s == '!') {
- flg_show_usage_if_error = '!';
+ if(*s == '?') {
+ spec_flgs |= SHOW_USAGE_IF_ERROR;
continue;
}
if(*s == '-') {
- flg_argv_is_opts = '-';
+ spec_flgs |= ARGV_IS_OPTS;
continue;
}
for (on_off = complementally; on_off->opt; on_off++)
break;
pair = on_off;
for(s++; *s && *s != ':'; s++) {
- if (*s == '-' || *s == '~') {
+ if (*s == '-' || *s == '~' || *s == '?') {
c = *s;
} else if(*s == '*') {
pair->list_flg++;
} else {
- unsigned long *pair_switch = &(pair->switch_on);
- if(c)
- pair_switch = c == '-' ? &(pair->switch_off) : &(pair->incongruously);
+ unsigned long *pair_switch;
+
+ switch(c) {
+ case '-':
+ pair_switch = &(pair->switch_off);
+ break;
+ case '~':
+ pair_switch = &(pair->incongruously);
+ break;
+ case '?':
+ pair_switch = &(pair->requires);
+ break;
+ default:
+ pair_switch = &(pair->switch_on);
+ }
for (on_off = complementally; on_off->opt; on_off++)
if (on_off->opt == *s) {
if(pair_switch == &(on_off->switch_on))
on_off->counter = va_arg (p, int *);
+ else if(pair_switch == &(on_off->requires))
+ requires |= on_off->switch_on;
else
*pair_switch |= on_off->switch_on;
break;
}
while ((c = getopt_long (argc, argv, applet_opts,
- bb_applet_long_options, NULL)) > 0) {
+ bb_applet_long_options, NULL)) >= 0) {
loop_arg_is_opt:
for (on_off = complementally; on_off->opt != c; on_off++) {
- if(!on_off->opt)
+ /* c==0 if long opt have non NULL flag */
+ if(on_off->opt == 0 && c != 0)
bb_show_usage ();
}
if(flags & on_off->incongruously) {
- if(flg_show_usage_if_error)
+ if((spec_flgs & SHOW_USAGE_IF_ERROR))
bb_show_usage ();
flags |= BB_GETOPT_ERROR;
}
} else if (on_off->optarg) {
*(char **)(on_off->optarg) = optarg;
}
- if(flg_argv_is_opts == 'p')
+ if(pargv != NULL)
break;
}
- if(flg_argv_is_opts) {
+ if((spec_flgs & ARGV_IS_OPTS)) {
/* process argv is option, for example "ps" applet */
- if(flg_argv_is_opts == '-') {
- flg_argv_is_opts = 'p';
+ if(pargv == NULL)
pargv = argv + optind;
- }
while(*pargv) {
c = **pargv;
if(c == '\0') {
}
}
}
-
+ /* check depending requires for given options */
+ for (on_off = complementally; on_off->opt; on_off++) {
+ if(on_off->requires && (flags & on_off->switch_on) &&
+ (flags & on_off->requires) == 0)
+ bb_show_usage ();
+ }
+ if(requires && (flags & requires) == 0)
+ bb_show_usage ();
return flags;
}
bb_applet_long_options = hwclock_long_options;
#endif
- bb_opt_complementally = "!r~ws:w~rs:s~wr:l~u:u~l";
+ bb_opt_complementally = "?r~ws:w~rs:s~wr:l~u:u~l";
opt = bb_getopt_ulflags(argc, argv, "lursw");
/* If -u or -l wasn't given check if we are using utc */
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