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Merge branch 'master' of git+ssh://busybox.net/var/lib/git/busybox

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This commit is contained in:
Denys Vlasenko 2011-11-21 14:25:15 +01:00
commit 5f118ff885
12 changed files with 204 additions and 84 deletions
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12
include/libbb.h
View File

@ -211,7 +211,7 @@ PUSH_AND_SET_FUNCTION_VISIBILITY_TO_HIDDEN
# if ULONG_MAX > 0xffffffff
/* "long" is long enough on this system */
typedef unsigned long uoff_t;
# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
# define XATOOFF(a) xatoul_range((a), 0, LONG_MAX)
/* usage: sz = BB_STRTOOFF(s, NULL, 10); if (errno || sz < 0) die(); */
# define BB_STRTOOFF bb_strtoul
# define STRTOOFF strtoul
@ -220,7 +220,7 @@ typedef unsigned long uoff_t;
# else
/* "long" is too short, need "long long" */
typedef unsigned long long uoff_t;
# define XATOOFF(a) xatoull_range(a, 0, LLONG_MAX)
# define XATOOFF(a) xatoull_range((a), 0, LLONG_MAX)
# define BB_STRTOOFF bb_strtoull
# define STRTOOFF strtoull
# define OFF_FMT "ll"
@ -237,7 +237,7 @@ typedef unsigned long uoff_t;
# define OFF_FMT "l"
# else
typedef unsigned long uoff_t;
# define XATOOFF(a) xatoul_range(a, 0, LONG_MAX)
# define XATOOFF(a) xatoul_range((a), 0, LONG_MAX)
# define BB_STRTOOFF bb_strtoul
# define STRTOOFF strtol
# define OFF_FMT "l"
@ -245,6 +245,12 @@ typedef unsigned long uoff_t;
#endif
/* scary. better ideas? (but do *test* them first!) */
#define OFF_T_MAX ((off_t)~((off_t)1 << (sizeof(off_t)*8-1)))
/* Users report bionic to use 32-bit off_t even if LARGEFILE support is requested.
* We misdetected that. Don't let it build:
*/
struct BUG_off_t_size_is_misdetected {
char BUG_off_t_size_is_misdetected[sizeof(off_t) == sizeof(uoff_t) ? 1 : -1];
};
/* Some useful definitions */
#undef FALSE

25
libbb/dump.c
View File

@ -71,7 +71,8 @@ static NOINLINE int bb_dump_size(FS *fs)
* skip any special chars -- save precision in
* case it's a %s format.
*/
while (strchr(index_str + 1, *++fmt));
while (strchr(index_str + 1, *++fmt))
continue;
if (*fmt == '.' && isdigit(*++fmt)) {
prec = atoi(fmt);
while (isdigit(*++fmt))
@ -99,8 +100,8 @@ static NOINLINE int bb_dump_size(FS *fs)
static NOINLINE void rewrite(priv_dumper_t *dumper, FS *fs)
{
enum { NOTOKAY, USEBCNT, USEPREC } sokay;
PR *pr;
FU *fu;
PR *pr;
char *p1, *p2, *p3;
char savech, *fmtp;
const char *byte_count_str;
@ -292,16 +293,18 @@ static NOINLINE void rewrite(priv_dumper_t *dumper, FS *fs)
* interprets any data at all, and has no iteration count,
* repeat it as necessary.
*
* if, rep count is greater than 1, no trailing whitespace
* if rep count is greater than 1, no trailing whitespace
* gets output from the last iteration of the format unit.
*/
for (fu = fs->nextfu; fu; fu = fu->nextfu) {
if (!fu->nextfu && fs->bcnt < dumper->blocksize
&& !(fu->flags & F_SETREP) && fu->bcnt
if (!fu->nextfu
&& fs->bcnt < dumper->blocksize
&& !(fu->flags & F_SETREP)
&& fu->bcnt
) {
fu->reps += (dumper->blocksize - fs->bcnt) / fu->bcnt;
}
if (fu->reps > 1) {
if (fu->reps > 1 && fu->nextpr) {
for (pr = fu->nextpr;; pr = pr->nextpr)
if (!pr->nextpr)
break;
@ -721,7 +724,7 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
p = fmt;
for (;;) {
p = skip_whitespace(p);
if (!*p) {
if (*p == '\0') {
break;
}
@ -749,7 +752,7 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
/* skip slash and trailing white space */
if (*p == '/') {
p = skip_whitespace(++p);
p = skip_whitespace(p + 1);
}
/* byte count */
@ -763,7 +766,7 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
}
tfu->bcnt = atoi(savep);
/* skip trailing white space */
p = skip_whitespace(++p);
p = skip_whitespace(p + 1);
}
/* format */
@ -771,7 +774,7 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
bb_error_msg_and_die("bad format {%s}", fmt);
}
for (savep = ++p; *p != '"';) {
if (*p++ == 0) {
if (*p++ == '\0') {
bb_error_msg_and_die("bad format {%s}", fmt);
}
}
@ -782,7 +785,7 @@ void FAST_FUNC bb_dump_add(dumper_t* pub_dumper, const char *fmt)
/* alphabetic escape sequences have to be done in place */
for (p2 = p1;; ++p1, ++p2) {
if (!*p1) {
if (*p1 == '\0') {
*p2 = *p1;
break;
}

2
mailutils/mail.c
View File

@ -119,7 +119,7 @@ static char* FAST_FUNC parse_url(char *url, char **user, char **pass)
void FAST_FUNC encode_base64(char *fname, const char *text, const char *eol)
{
enum {
SRC_BUF_SIZE = 45, /* This *MUST* be a multiple of 3 */
SRC_BUF_SIZE = 57, /* This *MUST* be a multiple of 3 */
DST_BUF_SIZE = 4 * ((SRC_BUF_SIZE + 2) / 3),
};
#define src_buf text

7
mailutils/mail.h
View File

@ -16,22 +16,15 @@ struct globals {
char *pass;
FILE *fp0; // initial stdin
char *opt_charset;
char *content_type;
};
#define G (*ptr_to_globals)
#define timeout (G.timeout )
#define verbose (G.verbose )
#define opts (G.opts )
//#define user (G.user )
//#define pass (G.pass )
//#define fp0 (G.fp0 )
//#define opt_charset (G.opt_charset)
//#define content_type (G.content_type)
#define INIT_G() do { \
SET_PTR_TO_GLOBALS(xzalloc(sizeof(G))); \
G.opt_charset = (char *)CONFIG_FEATURE_MIME_CHARSET; \
G.content_type = (char *)"text/plain"; \
} while (0)
//char FAST_FUNC *parse_url(char *url, char **user, char **pass);

34
mailutils/makemime.c
View File

@ -1,7 +1,6 @@
/* vi: set sw=4 ts=4: */
/*
* makemime: create MIME-encoded message
* reformime: parse MIME-encoded message
*
* Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>
*
@ -135,19 +134,42 @@ Content-Transfer-Encoding: 7bit
//usage: "\n -o FILE Output. Default: stdout"
//usage: "\n -a HDR Add header. Examples:"
//usage: "\n \"From: user@host.org\", \"Date: `date -R`\""
//usage: "\n -c CT Content type. Default: text/plain"
//usage: "\n -c CT Content type. Default: application/octet-stream"
//usage: "\n -C CS Charset. Default: " CONFIG_FEATURE_MIME_CHARSET
/* //usage: "\n -e ENC Transfer encoding. Ignored. base64 is assumed" */
//usage: "\n"
//usage: "\nOther options are silently ignored"
/*
* -c [Content-Type] should create just one MIME section
* with "Content-Type:", "Content-Transfer-Encoding:", and HDR from "-a HDR".
* NB: without "Content-Disposition:" auto-added, unlike we do now
* NB2: -c has *optional* param which nevertheless _can_ be specified after a space :(
*
* -m [multipart/mixed] should create multipart MIME section
* with "Content-Type:", "Content-Transfer-Encoding:", and HDR from "-a HDR",
* and add FILE to it _verbatim_:
* HEADERS
*
* --=_1_1321709112_1605
* FILE_CONTENTS
* --=_1_1321709112_1605
* without any encoding of FILE_CONTENTS. (Basically, it expects that FILE
* is the result of "makemime -c").
*
* -j MULTIPART_FILE1 SINGLE_FILE2 should output MULTIPART_FILE1 + SINGLE_FILE2
*
* Our current behavior is a mutant "-m + -c + -j" one: we create multipart MIME
* and we put "-c" encoded FILEs into many multipart sections.
*/
int makemime_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
int makemime_main(int argc UNUSED_PARAM, char **argv)
{
llist_t *opt_headers = NULL, *l;
const char *opt_output;
const char *content_type = "application/octet-stream";
#define boundary opt_output
enum {
OPT_c = 1 << 0, // create (non-multipart) section
OPT_e = 1 << 1, // Content-Transfer-Encoding. Ignored. Assumed base64
@ -164,8 +186,8 @@ int makemime_main(int argc UNUSED_PARAM, char **argv)
// parse options
opt_complementary = "a::";
opts = getopt32(argv,
"c:e:o:C:N:a:", //:m:j:",
&G.content_type, NULL, &opt_output, &G.opt_charset, NULL, &opt_headers //, NULL, NULL
"c:e:o:C:N:a:", // "m:j:",
&content_type, NULL, &opt_output, &G.opt_charset, NULL, &opt_headers //, NULL, NULL
);
//argc -= optind;
argv += optind;
@ -202,7 +224,7 @@ int makemime_main(int argc UNUSED_PARAM, char **argv)
"Content-Disposition: inline; filename=\"%s\"\n"
"Content-Transfer-Encoding: base64\n"
, boundary
, G.content_type
, content_type
, G.opt_charset
, bb_get_last_path_component_strip(*argv)
);

1
mailutils/reformime.c
View File

@ -1,6 +1,5 @@
/* vi: set sw=4 ts=4: */
/*
* makemime: create MIME-encoded message
* reformime: parse MIME-encoded message
*
* Copyright (C) 2008 by Vladimir Dronnikov <dronnikov@gmail.com>

22
mailutils/sendmail.c
View File

@ -281,17 +281,19 @@ int sendmail_main(int argc UNUSED_PARAM, char **argv)
// analyze headers
// To: or Cc: headers add recipients
if (0 == strncasecmp("To:", s, 3) || 0 == strncasecmp("Bcc:" + 1, s, 3)) {
rcptto(sane_address(s+3));
goto addheader;
if (opts & OPT_t) {
if (0 == strncasecmp("To:", s, 3) || 0 == strncasecmp("Bcc:" + 1, s, 3)) {
rcptto(sane_address(s+3));
goto addheader;
}
// Bcc: header adds blind copy (hidden) recipient
if (0 == strncasecmp("Bcc:", s, 4)) {
rcptto(sane_address(s+4));
free(s);
continue; // N.B. Bcc: vanishes from headers!
}
}
// Bcc: header adds blind copy (hidden) recipient
if (0 == strncasecmp("Bcc:", s, 4)) {
rcptto(sane_address(s+4));
free(s);
// N.B. Bcc: vanishes from headers!
} else
if (strchr(s, ':') || (list && skip_whitespace(s) != s)) {
if (strchr(s, ':') || (list && isspace(s[0]))) {
// other headers go verbatim
// N.B. RFC2822 2.2.3 "Long Header Fields" allows for headers to occupy several lines.
// Continuation is denoted by prefixing additional lines with whitespace(s).

19
networking/udhcp/common.c
View File

@ -539,3 +539,22 @@ int FAST_FUNC udhcp_str2optset(const char *const_str, void *arg)
return retval;
}
/* note: ip is a pointer to an IPv6 in network order, possibly misaliged */
int FAST_FUNC sprint_nip6(char *dest, /*const char *pre,*/ const uint8_t *ip)
{
char hexstrbuf[16 * 2];
bin2hex(hexstrbuf, (void*)ip, 16);
return sprintf(dest, /* "%s" */
"%.4s:%.4s:%.4s:%.4s:%.4s:%.4s:%.4s:%.4s",
/* pre, */
hexstrbuf + 0 * 4,
hexstrbuf + 1 * 4,
hexstrbuf + 2 * 4,
hexstrbuf + 3 * 4,
hexstrbuf + 4 * 4,
hexstrbuf + 5 * 4,
hexstrbuf + 6 * 4,
hexstrbuf + 7 * 4
);
}

3
networking/udhcp/common.h
View File

@ -308,6 +308,9 @@ int arpping(uint32_t test_nip,
uint8_t *from_mac,
const char *interface) FAST_FUNC;
/* note: ip is a pointer to an IPv6 in network order, possibly misaliged */
int sprint_nip6(char *dest, /*const char *pre,*/ const uint8_t *ip) FAST_FUNC;
POP_SAVED_FUNCTION_VISIBILITY
#endif

5
networking/udhcp/d6_common.h
View File

@ -81,11 +81,16 @@ struct d6_option {
#define D6_OPT_RECONF_MSG 19
#define D6_OPT_RECONF_ACCEPT 20
#define D6_OPT_IA_PD 25
#define D6_OPT_IAPREFIX 26
/*** Other shared functions ***/
struct client6_data_t {
struct d6_option *server_id;
struct d6_option *ia_na;
char **env_ptr;
unsigned env_idx;
};
#define client6_data (*(struct client6_data_t*)(&bb_common_bufsiz1[COMMON_BUFSIZE - sizeof(struct client6_data_t)]))

128
networking/udhcp/d6_dhcpc.c
View File

@ -129,32 +129,114 @@ static void *d6_store_blob(void *dst, const void *src, unsigned len)
/*** Script execution code ***/
/* put all the parameters into the environment */
static char **fill_envp(struct d6_packet *packet
UNUSED_PARAM
)
static char** new_env(void)
{
client6_data.env_ptr = xrealloc_vector(client6_data.env_ptr, 3, client6_data.env_idx);
return &client6_data.env_ptr[client6_data.env_idx++];
}
/* put all the parameters into the environment */
static void option_to_env(uint8_t *option, uint8_t *option_end)
{
/* "length minus 4" */
int len_m4 = option_end - option - 4;
while (len_m4 >= 0) {
uint32_t v32;
char ipv6str[sizeof("ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff")];
if (option[0] != 0 || option[2] != 0)
break;
switch (option[1]) {
//case D6_OPT_CLIENTID:
//case D6_OPT_SERVERID:
case D6_OPT_IA_NA:
case D6_OPT_IA_PD:
option_to_env(option + 16, option + 4 + option[3]);
break;
//case D6_OPT_IA_TA:
case D6_OPT_IAADDR:
/* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | OPTION_IAADDR | option-len |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | |
* | IPv6 address |
* | |
* | |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | preferred-lifetime |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | valid-lifetime |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
*/
sprint_nip6(ipv6str, option + 4);
*new_env() = xasprintf("ipv6=%s", ipv6str);
move_from_unaligned32(v32, option + 4 + 16 + 4);
*new_env() = xasprintf("lease=%u", (unsigned)v32);
break;
//case D6_OPT_ORO:
//case D6_OPT_PREFERENCE:
//case D6_OPT_ELAPSED_TIME:
//case D6_OPT_RELAY_MSG:
//case D6_OPT_AUTH:
//case D6_OPT_UNICAST:
//case D6_OPT_STATUS_CODE:
//case D6_OPT_RAPID_COMMIT:
//case D6_OPT_USER_CLASS:
//case D6_OPT_VENDOR_CLASS:
//case D6_OPT_VENDOR_OPTS:
//case D6_OPT_INTERFACE_ID:
//case D6_OPT_RECONF_MSG:
//case D6_OPT_RECONF_ACCEPT:
case D6_OPT_IAPREFIX:
/* 0 1 2 3
* 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | OPTION_IAPREFIX | option-length |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | preferred-lifetime |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | valid-lifetime |
* +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | prefix-length | |
* +-+-+-+-+-+-+-+-+ IPv6 prefix |
* | (16 octets) |
* | |
* | +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
* | |
* +-+-+-+-+-+-+-+-+
*/
//move_from_unaligned32(v32, option + 4 + 4);
//*new_env() = xasprintf("lease=%u", (unsigned)v32);
sprint_nip6(ipv6str, option + 4 + 4 + 1);
*new_env() = xasprintf("ipv6prefix=%s/%u", ipv6str, (unsigned)(option[4 + 4]));
}
option += 4 + option[3];
len_m4 -= 4 + option[3];
}
}
static char **fill_envp(struct d6_packet *packet)
{
int envc;
char **envp, **curr;
#define BITMAP unsigned
#define BBITS (sizeof(BITMAP) * 8)
#define BMASK(i) (1 << (i & (sizeof(BITMAP) * 8 - 1)))
#define FOUND_OPTS(i) (found_opts[(unsigned)i / BBITS])
///BITMAP found_opts[256 / BBITS];
client6_data.env_ptr = NULL;
client6_data.env_idx = 0;
///memset(found_opts, 0, sizeof(found_opts));
*new_env() = xasprintf("interface=%s", client_config.interface);
/* We need 2 elements for:
* "interface=IFACE"
* terminating NULL
*/
envc = 2;
if (packet)
option_to_env(packet->d6_options, packet->d6_options + sizeof(packet->d6_options));
curr = envp = xzalloc(sizeof(envp[0]) * envc);
*curr = xasprintf("interface=%s", client_config.interface);
putenv(*curr++);
envp = curr = client6_data.env_ptr;
while (*curr)
putenv(*curr++);
return envp;
}
@ -1329,19 +1411,19 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
free(client6_data.ia_na);
client6_data.ia_na = d6_copy_option(packet.d6_options, packet_end, D6_OPT_IA_NA);
if (!client6_data.ia_na) {
bb_error_msg("no lease time, ignoring packet");
bb_error_msg("no %s option, ignoring packet", "IA_NA");
continue;
}
if (client6_data.ia_na->len < (4 + 4 + 4) + (2 + 2 + 16 + 4 + 4)) {
bb_error_msg("IA_NA option is too short:%d bytes", client6_data.ia_na->len);
continue;
}
iaaddr = d6_find_option(client6_data.ia_na->data,
iaaddr = d6_find_option(client6_data.ia_na->data + 4 + 4 + 4,
client6_data.ia_na->data + client6_data.ia_na->len,
D6_OPT_IAADDR
);
if (!iaaddr) {
bb_error_msg("no lease time, ignoring packet");
bb_error_msg("no %s option, ignoring packet", "IAADDR");
continue;
}
if (iaaddr->len < (16 + 4 + 4)) {

30
networking/udhcp/dhcpc.c
View File

@ -123,24 +123,6 @@ static int sprint_nip(char *dest, const char *pre, const uint8_t *ip)
return sprintf(dest, "%s%u.%u.%u.%u", pre, ip[0], ip[1], ip[2], ip[3]);
}
static int sprint_nip6(char *dest, /*const char *pre,*/ const uint8_t *ip)
{
char hexstrbuf[16 * 2];
bin2hex(hexstrbuf, (void*)ip, 16);
return sprintf(dest, /* "%s" */
"%.4s:%.4s:%.4s:%.4s:%.4s:%.4s:%.4s:%.4s",
/* pre, */
hexstrbuf + 0 * 4,
hexstrbuf + 1 * 4,
hexstrbuf + 2 * 4,
hexstrbuf + 3 * 4,
hexstrbuf + 4 * 4,
hexstrbuf + 5 * 4,
hexstrbuf + 6 * 4,
hexstrbuf + 7 * 4
);
}
/* really simple implementation, just count the bits */
static int mton(uint32_t mask)
{
@ -744,7 +726,7 @@ static NOINLINE int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
#if ENABLE_FEATURE_UDHCPC_ARPING
/* Broadcast a DHCP decline message */
/* NOINLINE: limit stack usage in caller */
static NOINLINE int send_decline(uint32_t xid, uint32_t server, uint32_t requested)
static NOINLINE int send_decline(/*uint32_t xid,*/ uint32_t server, uint32_t requested)
{
struct dhcp_packet packet;
@ -753,12 +735,14 @@ static NOINLINE int send_decline(uint32_t xid, uint32_t server, uint32_t request
*/
init_packet(&packet, DHCPDECLINE);
#if 0
/* RFC 2131 says DHCPDECLINE's xid is randomly selected by client,
* but in case the server is buggy and wants DHCPDECLINE's xid
* to match the xid which started entire handshake,
* we use the same xid we used in initial DHCPDISCOVER:
*/
packet.xid = xid;
#endif
/* DHCPDECLINE uses "requested ip", not ciaddr, to store offered IP */
udhcp_add_simple_option(&packet, DHCP_REQUESTED_IP, requested);
@ -1149,7 +1133,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
int discover_retries = 3;
uint32_t server_addr = server_addr; /* for compiler */
uint32_t requested_ip = 0;
uint32_t xid = 0;
uint32_t xid = xid; /* for compiler */
int packet_num;
int timeout; /* must be signed */
unsigned already_waited_sec;
@ -1538,7 +1522,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
switch (state) {
case INIT_SELECTING:
/* Must be a DHCPOFFER to one of our xid's */
/* Must be a DHCPOFFER */
if (*message == DHCPOFFER) {
/* What exactly is server's IP? There are several values.
* Example DHCP offer captured with tchdump:
@ -1618,7 +1602,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
) {
bb_info_msg("Offered address is in use "
"(got ARP reply), declining");
send_decline(xid, server_addr, packet.yiaddr);
send_decline(/*xid,*/ server_addr, packet.yiaddr);
if (state != REQUESTING)
udhcp_run_script(NULL, "deconfig");
@ -1655,6 +1639,8 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
opt = ((opt & ~OPT_b) | OPT_f);
}
#endif
/* make future renew packets use different xid */
/* xid = random_xid(); ...but why bother? */
already_waited_sec = 0;
continue; /* back to main loop */
}