VERSION = 1
PATCHLEVEL = 23
-SUBLEVEL = 1
+SUBLEVEL = 2
EXTRAVERSION =
NAME = Unnamed
};
static const struct op operators[] = {
- {"+", add},
- {"add", add},
- {"-", sub},
- {"sub", sub},
- {"*", mul},
- {"mul", mul},
- {"/", divide},
- {"div", divide},
#if ENABLE_FEATURE_DC_LIBM
{"**", power},
{"exp", power},
{"not", not},
{"eor", eor},
{"xor", eor},
+ {"+", add},
+ {"add", add},
+ {"-", sub},
+ {"sub", sub},
+ {"*", mul},
+ {"mul", mul},
+ {"/", divide},
+ {"div", divide},
{"p", print_no_pop},
{"f", print_stack_no_pop},
{"o", set_output_base},
};
+/* Feed the stack machine */
static void stack_machine(const char *argument)
{
char *end;
- double d;
+ double number;
const struct op *o;
- d = strtod(argument, &end);
- if (end != argument && *end == '\0') {
- push(d);
- return;
+ next:
+ number = strtod(argument, &end);
+ if (end != argument) {
+ argument = end;
+ push(number);
+ goto next;
}
+ /* We might have matched a digit, eventually advance the argument */
+ argument = skip_whitespace(argument);
+
+ if (*argument == '\0')
+ return;
+
o = operators;
do {
- if (strcmp(o->name, argument) == 0) {
+ const size_t name_len = strlen(o->name);
+ if (strncmp(o->name, argument, name_len) == 0) {
+ argument += name_len;
o->function();
- return;
+ goto next;
}
o++;
} while (o != operators + ARRAY_SIZE(operators));
if (!argv[0]) {
/* take stuff from stdin if no args are given */
char *line;
- char *cursor;
- char *token;
while ((line = xmalloc_fgetline(stdin)) != NULL) {
- cursor = line;
- while (1) {
- token = skip_whitespace(cursor);
- if (*token == '\0')
- break;
- cursor = skip_non_whitespace(token);
- if (*cursor != '\0')
- *cursor++ = '\0';
- stack_machine(token);
- }
+ stack_machine(line);
free(line);
}
} else {
- // why? it breaks "dc -2 2 + p"
- //if (argv[0][0] == '-')
- // bb_show_usage();
do {
stack_machine(*argv);
} while (*++argv);
if (colon == NULL)
continue;
*colon = '\0';
- filename2modname(tokens[0], name);
+ filename2modname(bb_basename(tokens[0]), name);
for (i = 0; argv[i]; i++) {
if (fnmatch(argv[i], name, 0) == 0) {
modinfo(tokens[0], uts.release, &env);
return ret;
}
#else
-#define already_loaded(name) is_rmmod
+#define already_loaded(name) 0
#endif
+static int rmmod(const char *filename)
+{
+ int r;
+ char modname[MODULE_NAME_LEN];
+
+ filename2modname(filename, modname);
+ r = delete_module(modname, O_NONBLOCK | O_EXCL);
+ dbg1_error_msg("delete_module('%s', O_NONBLOCK | O_EXCL):%d", modname, r);
+ if (r != 0 && !(option_mask32 & OPT_q)) {
+ bb_perror_msg("remove '%s'", modname);
+ }
+ return r;
+}
+
/*
* Given modules definition and module name (or alias, or symbol)
* load/remove the module respecting dependencies.
module_info **infovec;
module_info *info;
int infoidx;
- int is_rmmod = (option_mask32 & OPT_r) != 0;
+ int is_remove = (option_mask32 & OPT_r) != 0;
dbg1_error_msg("process_module('%s','%s')", name, cmdline_options);
replace(name, '-', '_');
- dbg1_error_msg("already_loaded:%d is_rmmod:%d", already_loaded(name), is_rmmod);
+ dbg1_error_msg("already_loaded:%d is_remove:%d", already_loaded(name), is_remove);
+
+ if (applet_name[0] == 'r') {
+ /* rmmod.
+ * Does not remove dependencies, no need to scan, just remove.
+ * (compat note: this allows and strips .ko suffix)
+ */
+ rmmod(name);
+ return;
+ }
+
/*
- * We used to have "is_rmmod != already_loaded(name)" check here, but
+ * We used to have "is_remove != already_loaded(name)" check here, but
* modprobe -r pci:v00008086d00007010sv00000000sd00000000bc01sc01i80
* won't unload modules (there are more than one)
* which have this alias.
*/
- if (!is_rmmod && already_loaded(name)) {
+ if (!is_remove && already_loaded(name)) {
dbg1_error_msg("nothing to do for '%s'", name);
return;
}
options = NULL;
- if (!is_rmmod) {
+ if (!is_remove) {
char *opt_filename = xasprintf("/etc/modules/%s", name);
options = xmalloc_open_read_close(opt_filename, NULL);
if (options)
0 /* depth */
);
dbg1_error_msg("dirscan complete");
- /* Module was not found, or load failed, or is_rmmod */
+ /* Module was not found, or load failed, or is_remove */
if (module_found_idx >= 0) { /* module was found */
infovec = xzalloc(2 * sizeof(infovec[0]));
infovec[0] = &modinfo[module_found_idx];
if (!infovec) {
/* both dirscan and find_alias found nothing */
- if (!is_rmmod && applet_name[0] != 'd') /* it wasn't rmmod or depmod */
+ if (!is_remove && applet_name[0] != 'd') /* it wasn't rmmod or depmod */
bb_error_msg("module '%s' not found", name);
//TODO: _and_die()? or should we continue (un)loading modules listed on cmdline?
goto ret;
* a *list* of modinfo pointers from find_alias().
*/
- /* rmmod or modprobe -r? unload module(s) */
- if (is_rmmod) {
+ /* modprobe -r? unload module(s) */
+ if (is_remove) {
infoidx = 0;
while ((info = infovec[infoidx++]) != NULL) {
- int r;
- char modname[MODULE_NAME_LEN];
-
- filename2modname(
- bb_get_last_path_component_nostrip(info->pathname), modname);
- r = delete_module(modname, O_NONBLOCK | O_EXCL);
- dbg1_error_msg("delete_module('%s', O_NONBLOCK | O_EXCL):%d", modname, r);
+ int r = rmmod(bb_get_last_path_component_nostrip(info->pathname));
if (r != 0) {
- if (!(option_mask32 & OPT_q))
- bb_perror_msg("remove '%s'", modname);
- goto ret;
+ goto ret; /* error */
}
}
-
- if (applet_name[0] == 'r') {
- /* rmmod: do not remove dependencies, exit */
- goto ret;
- }
-
/* modprobe -r: we do not stop here -
* continue to unload modules on which the module depends:
* "-r --remove: option causes modprobe to remove a module.
}
free(deps);
- if (is_rmmod)
+ if (is_remove)
continue;
/* We are modprobe: load it */
}
#if ENABLE_FEATURE_MODPROBE_SMALL_OPTIONS_ON_CMDLINE
- /* If not rmmod, parse possible module options given on command line.
+ /* If not rmmod/-r, parse possible module options given on command line.
* insmod/modprobe takes one module name, the rest are parameters. */
options = NULL;
- if ('r' != applet0) {
+ if (!(option_mask32 & OPT_r)) {
char **arg = argv;
while (*++arg) {
/* Enclose options in quotes */
}
}
#else
- if ('r' != applet0)
+ if (!(option_mask32 & OPT_r))
argv[1] = NULL;
#endif
}
/* Try to load modprobe.dep.bb */
- load_dep_bb();
+ if ('r' != applet0) /* not rmmod */
+ load_dep_bb();
/* Load/remove modules.
- * Only rmmod loops here, modprobe has only argv[0] */
+ * Only rmmod/modprobe -r loops here, insmod/modprobe has only argv[0] */
do {
process_module(*argv, options);
} while (*++argv);
#if 0
# define log_io(...) bb_error_msg(__VA_ARGS__)
+# define SENDFMT(fp, fmt, ...) \
+ do { \
+ log_io("> " fmt, ##__VA_ARGS__); \
+ fprintf(fp, fmt, ##__VA_ARGS__); \
+ } while (0);
#else
# define log_io(...) ((void)0)
+# define SENDFMT(fp, fmt, ...) fprintf(fp, fmt, ##__VA_ARGS__)
#endif
static const char P_HTTP[] = "http";
static const char P_HTTPS[] = "https";
+#if ENABLE_FEATURE_WGET_LONG_OPTIONS
+/* User-specified headers prevent using our corresponding built-in headers. */
+enum {
+ HDR_HOST = (1<<0),
+ HDR_USER_AGENT = (1<<1),
+ HDR_RANGE = (1<<2),
+ HDR_AUTH = (1<<3) * ENABLE_FEATURE_WGET_AUTHENTICATION,
+ HDR_PROXY_AUTH = (1<<4) * ENABLE_FEATURE_WGET_AUTHENTICATION,
+};
+static const char wget_user_headers[] ALIGN1 =
+ "Host:\0"
+ "User-Agent:\0"
+ "Range:\0"
+# if ENABLE_FEATURE_WGET_AUTHENTICATION
+ "Authorization:\0"
+ "Proxy-Authorization:\0"
+# endif
+ ;
+# define USR_HEADER_HOST (G.user_headers & HDR_HOST)
+# define USR_HEADER_USER_AGENT (G.user_headers & HDR_USER_AGENT)
+# define USR_HEADER_RANGE (G.user_headers & HDR_RANGE)
+# define USR_HEADER_AUTH (G.user_headers & HDR_AUTH)
+# define USR_HEADER_PROXY_AUTH (G.user_headers & HDR_PROXY_AUTH)
+#else /* No long options, no user-headers :( */
+# define USR_HEADER_HOST 0
+# define USR_HEADER_USER_AGENT 0
+# define USR_HEADER_RANGE 0
+# define USR_HEADER_AUTH 0
+# define USR_HEADER_PROXY_AUTH 0
+#endif
/* Globals */
struct globals {
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
char *post_data;
char *extra_headers;
+ unsigned char user_headers; /* Headers mentioned by the user */
#endif
char *fname_out; /* where to direct output (-O) */
const char *proxy_flag; /* Use proxies if env vars are set */
#endif
/* Send HTTP request */
if (use_proxy) {
- fprintf(sfp, "GET %s://%s/%s HTTP/1.1\r\n",
+ SENDFMT(sfp, "GET %s://%s/%s HTTP/1.1\r\n",
target.protocol, target.host,
target.path);
} else {
- fprintf(sfp, "%s /%s HTTP/1.1\r\n",
+ SENDFMT(sfp, "%s /%s HTTP/1.1\r\n",
(option_mask32 & WGET_OPT_POST_DATA) ? "POST" : "GET",
target.path);
}
-
- fprintf(sfp, "Host: %s\r\nUser-Agent: %s\r\n",
- target.host, G.user_agent);
+ if (!USR_HEADER_HOST)
+ SENDFMT(sfp, "Host: %s\r\n", target.host);
+ if (!USR_HEADER_USER_AGENT)
+ SENDFMT(sfp, "User-Agent: %s\r\n", G.user_agent);
/* Ask server to close the connection as soon as we are done
* (IOW: we do not intend to send more requests)
*/
- fprintf(sfp, "Connection: close\r\n");
+ SENDFMT(sfp, "Connection: close\r\n");
#if ENABLE_FEATURE_WGET_AUTHENTICATION
- if (target.user) {
- fprintf(sfp, "Proxy-Authorization: Basic %s\r\n"+6,
+ if (target.user && !USR_HEADER_AUTH) {
+ SENDFMT(sfp, "Proxy-Authorization: Basic %s\r\n"+6,
base64enc(target.user));
}
- if (use_proxy && server.user) {
- fprintf(sfp, "Proxy-Authorization: Basic %s\r\n",
+ if (use_proxy && server.user && !USR_HEADER_PROXY_AUTH) {
+ SENDFMT(sfp, "Proxy-Authorization: Basic %s\r\n",
base64enc(server.user));
}
#endif
- if (G.beg_range != 0)
- fprintf(sfp, "Range: bytes=%"OFF_FMT"u-\r\n", G.beg_range);
+ if (G.beg_range != 0 && !USR_HEADER_RANGE)
+ SENDFMT(sfp, "Range: bytes=%"OFF_FMT"u-\r\n", G.beg_range);
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
- if (G.extra_headers)
+ if (G.extra_headers) {
+ log_io(G.extra_headers);
fputs(G.extra_headers, sfp);
+ }
if (option_mask32 & WGET_OPT_POST_DATA) {
- fprintf(sfp,
+ SENDFMT(sfp,
"Content-Type: application/x-www-form-urlencoded\r\n"
"Content-Length: %u\r\n"
"\r\n"
} else
#endif
{
- fprintf(sfp, "\r\n");
+ SENDFMT(sfp, "\r\n");
}
fflush(sfp);
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
applet_long_options = wget_longopts;
#endif
- opt_complementary = "-1" IF_FEATURE_WGET_TIMEOUT(":T+") IF_FEATURE_WGET_LONG_OPTIONS(":\xfe::");
+ opt_complementary = "-1"
+ IF_FEATURE_WGET_TIMEOUT(":T+")
+ IF_FEATURE_WGET_LONG_OPTIONS(":\xfe::");
getopt32(argv, "csqO:P:Y:U:T:" /*ignored:*/ "t:",
&G.fname_out, &G.dir_prefix,
&G.proxy_flag, &G.user_agent,
#if ENABLE_FEATURE_WGET_LONG_OPTIONS
if (headers_llist) {
- int size = 1;
- char *cp;
+ int size = 0;
+ char *hdr;
llist_t *ll = headers_llist;
while (ll) {
size += strlen(ll->data) + 2;
ll = ll->link;
}
- G.extra_headers = cp = xmalloc(size);
+ G.extra_headers = hdr = xmalloc(size + 1);
while (headers_llist) {
- cp += sprintf(cp, "%s\r\n", (char*)llist_pop(&headers_llist));
+ int bit;
+ const char *words;
+
+ size = sprintf(hdr, "%s\r\n",
+ (char*)llist_pop(&headers_llist));
+ /* a bit like index_in_substrings but don't match full key */
+ bit = 1;
+ words = wget_user_headers;
+ while (*words) {
+ if (strstr(hdr, words) == hdr) {
+ G.user_headers |= bit;
+ break;
+ }
+ bit <<= 1;
+ words += strlen(words) + 1;
+ }
+ hdr += size;
}
}
#endif
projects / oweals / busybox.git / commitdiff