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-rw-r--r--include/libbb.h2
-rw-r--r--libbb/getopt32.c40
-rw-r--r--libbb/llist.c14
-rw-r--r--networking/wget.c72
4 files changed, 75 insertions, 53 deletions
diff --git a/include/libbb.h b/include/libbb.h
index 3fa4972..7b8327f 100644
--- a/include/libbb.h
+++ b/include/libbb.h
@@ -166,7 +166,7 @@ extern void llist_add_to(llist_t **old_head, void *data);
extern void llist_add_to_end(llist_t **list_head, void *data);
extern void *llist_pop(llist_t **elm);
extern void llist_free(llist_t *elm, void (*freeit)(void *data));
-
+extern llist_t* rev_llist(llist_t *list);
enum {
LOGMODE_NONE = 0,
diff --git a/libbb/getopt32.c b/libbb/getopt32.c
index 73e6b86..967729a 100644
--- a/libbb/getopt32.c
+++ b/libbb/getopt32.c
@@ -313,7 +313,7 @@ getopt32(int argc, char **argv, const char *applet_opts, ...)
{
unsigned flags = 0;
unsigned requires = 0;
- t_complementary complementary[sizeof(flags) * 8 + 1];
+ t_complementary complementary[33];
int c;
const unsigned char *s;
t_complementary *on_off;
@@ -342,16 +342,13 @@ getopt32(int argc, char **argv, const char *applet_opts, ...)
s = (const unsigned char *)applet_opts;
if (*s == '+' || *s == '-')
s++;
- for (; *s; s++) {
- if (c >= (int)(sizeof(flags)*8))
- break;
+ while (*s) {
+ if (c >= 32) break;
on_off->opt = *s;
on_off->switch_on = (1 << c);
- if (s[1] == ':') {
+ if (*++s == ':') {
on_off->optarg = va_arg(p, void **);
- do
- s++;
- while (s[1] == ':');
+ while (*++s == ':') /* skip */;
}
on_off++;
c++;
@@ -363,16 +360,14 @@ getopt32(int argc, char **argv, const char *applet_opts, ...)
continue;
for (on_off = complementary; on_off->opt != 0; on_off++)
if (on_off->opt == l_o->val)
- break;
- if (on_off->opt == 0) {
- if (c >= (int)(sizeof(flags)*8))
- break;
- on_off->opt = l_o->val;
- on_off->switch_on = (1 << c);
- if (l_o->has_arg != no_argument)
- on_off->optarg = va_arg(p, void **);
- c++;
- }
+ goto next_long;
+ if (c >= 32) break;
+ on_off->opt = l_o->val;
+ on_off->switch_on = (1 << c);
+ if (l_o->has_arg != no_argument)
+ on_off->optarg = va_arg(p, void **);
+ c++;
+ next_long: ;
}
#endif /* ENABLE_GETOPT_LONG */
for (s = (const unsigned char *)opt_complementary; s && *s; s++) {
@@ -461,12 +456,17 @@ getopt32(int argc, char **argv, const char *applet_opts, ...)
}
}
#endif
+ /* Note: just "getopt() <= 0" will not work good for
+ * "fake" short options, like this one:
+ * wget $'-\203' "Test: test" http://kernel.org/
+ * (supposed to act as --header, but doesn't) */
#if ENABLE_GETOPT_LONG
while ((c = getopt_long(argc, argv, applet_opts,
- applet_long_options, NULL)) >= 0) {
+ applet_long_options, NULL)) != -1) {
#else
- while ((c = getopt(argc, argv, applet_opts)) >= 0) {
+ while ((c = getopt(argc, argv, applet_opts)) != -1) {
#endif /* ENABLE_GETOPT_LONG */
+ c &= 0xff; /* fight libc's sign extends */
loop_arg_is_opt:
for (on_off = complementary; on_off->opt != c; on_off++) {
/* c==0 if long opt have non NULL flag */
diff --git a/libbb/llist.c b/libbb/llist.c
index 8bf89a5..8a74832 100644
--- a/libbb/llist.c
+++ b/libbb/llist.c
@@ -62,3 +62,17 @@ void llist_free(llist_t *elm, void (*freeit)(void *data))
if (freeit) freeit(data);
}
}
+
+/* Reverse list order. Useful since getopt32 saves option params
+ * in reverse order */
+llist_t* rev_llist(llist_t *list)
+{
+ llist_t *new = NULL;
+ while (list) {
+ llist_t *next = list->link;
+ list->link = new;
+ new = list;
+ list = next;
+ }
+ return new;
+}
diff --git a/networking/wget.c b/networking/wget.c
index 91e5e65..a0d3e15 100644
--- a/networking/wget.c
+++ b/networking/wget.c
@@ -86,42 +86,22 @@ static char *base64enc(unsigned char *p, char *buf, int len)
}
#endif
-#define WGET_OPT_CONTINUE 1
-#define WGET_OPT_QUIET 2
-#define WGET_OPT_PASSIVE 4
-#define WGET_OPT_OUTNAME 8
-#define WGET_OPT_HEADER 16
-#define WGET_OPT_PREFIX 32
-#define WGET_OPT_PROXY 64
-#define WGET_OPT_USER_AGENT 128
-
-#if ENABLE_FEATURE_WGET_LONG_OPTIONS
-static const struct option wget_long_options[] = {
- { "continue", 0, NULL, 'c' },
- { "quiet", 0, NULL, 'q' },
- { "passive-ftp", 0, NULL, 139 }, /* FIXME: what is this - 139?? */
- { "output-document", 1, NULL, 'O' },
- { "header", 1, NULL, 131 },
- { "directory-prefix",1, NULL, 'P' },
- { "proxy", 1, NULL, 'Y' },
- { "user-agent", 1, NULL, 'U' },
- { 0, 0, 0, 0 }
-};
-#endif
-
int wget_main(int argc, char **argv)
{
+ char buf[512];
+ struct host_info server, target;
+ struct sockaddr_in s_in;
int n, status;
- int try = 5;
int port;
+ int try = 5;
unsigned opt;
+ char *s;
char *proxy = 0;
char *dir_prefix = NULL;
- char *s, buf[512];
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
char *extra_headers = NULL;
- struct host_info server, target;
- struct sockaddr_in s_in;
llist_t *headers_llist = NULL;
+#endif
/* server.allocated = target.allocated = NULL; */
@@ -137,21 +117,46 @@ int wget_main(int argc, char **argv)
/*
* Crack command line.
*/
- opt_complementary = "-1:\203::";
+ enum {
+ WGET_OPT_CONTINUE = 0x1,
+ WGET_OPT_QUIET = 0x2,
+ WGET_OPT_OUTNAME = 0x4,
+ WGET_OPT_PREFIX = 0x8,
+ WGET_OPT_PROXY = 0x10,
+ WGET_OPT_USER_AGENT = 0x20,
+ WGET_OPT_PASSIVE = 0x40,
+ WGET_OPT_HEADER = 0x80,
+ };
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
+ static const struct option wget_long_options[] = {
+ // name, has_arg, flag, val
+ { "continue", no_argument, NULL, 'c' },
+ { "quiet", no_argument, NULL, 'q' },
+ { "output-document", required_argument, NULL, 'O' },
+ { "directory-prefix", required_argument, NULL, 'P' },
+ { "proxy", required_argument, NULL, 'Y' },
+ { "user-agent", required_argument, NULL, 'U' },
+ { "passive-ftp", no_argument, NULL, 0xff },
+ { "header", required_argument, NULL, 0xfe },
+ { 0, 0, 0, 0 }
+};
applet_long_options = wget_long_options;
#endif
- opt = getopt32(argc, argv, "cq\213O:\203:P:Y:U:",
- &fname_out, &headers_llist,
- &dir_prefix, &proxy_flag, &user_agent);
+ opt_complementary = "-1" USE_FEATURE_WGET_LONG_OPTIONS(":\xfe::");
+ opt = getopt32(argc, argv, "cqO:P:Y:U:",
+ &fname_out, &dir_prefix,
+ &proxy_flag, &user_agent
+ USE_FEATURE_WGET_LONG_OPTIONS(, &headers_llist)
+ );
if (strcmp(proxy_flag, "off") == 0) {
/* Use the proxy if necessary. */
use_proxy = 0;
}
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
if (headers_llist) {
int size = 1;
char *cp;
- llist_t *ll = headers_llist;
+ llist_t *ll = headers_llist = rev_llist(headers_llist);
while (ll) {
size += strlen(ll->data) + 2;
ll = ll->link;
@@ -162,6 +167,7 @@ int wget_main(int argc, char **argv)
headers_llist = headers_llist->link;
}
}
+#endif
parse_url(argv[optind], &target);
server.host = target.host;
@@ -281,8 +287,10 @@ int wget_main(int argc, char **argv)
if (beg_range)
fprintf(sfp, "Range: bytes="OFF_FMT"-\r\n", beg_range);
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
if (extra_headers)
fputs(extra_headers, sfp);
+#endif
fprintf(sfp, "Connection: close\r\n\r\n");
/*
generated by cgit v1.1 at 2024-11-02 04:33:44 +0000