Age | Commit message (Collapse) | Author |
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Also, no need to preserve errno
function old new delta
.rodata 104247 104241 -6
bb_lookup_port 97 83 -14
nc_main 1039 1018 -21
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(add/remove: 0/0 grow/shrink: 0/3 up/down: 0/-41) Total: -41 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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BusyBox on Termux can't use ports less than 1024 it's patched to change default port for httpd to 8080 and telnetd to 8023.
https://github.com/termux/termux-packages/blob/master/packages/busybox/0011-networking-telnetd-default-port.patch
https://github.com/termux/termux-packages/blob/master/packages/busybox/0010-networking-httpd-default-port.patch
To avoid such patches we can make port configurable.
function old new delta
packed_usage 33920 33914 -6
Signed-off-by: Sergey Ponomarev <stokito@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33891 33920 +29
dhcprelay_main 943 926 -17
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 29/-17) Total: 12 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
.rodata 104209 104238 +29
read_config 208 225 +17
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 46/0) Total: 46 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33886 33891 +5
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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First part (parsing fix) is from Steffen Nurpmeso <steffen@sdaoden.eu>
function old new delta
.rodata 104120 104138 +18
print_qdisc 469 464 -5
tc_main 980 969 -11
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 18/-16) Total: 2 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33522 33534 +12
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
packed_usage 33537 33522 -15
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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...and we did not error-check it, and this is the only use of it:
function old new delta
inet_addr 37 - -37
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Even though it is _meant to be_ an IP address, in the wild servers sometimes
give bogus server ids, like 1.1.1.1
function old new delta
udhcpc_main 2551 2542 -9
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
perform_release 105 169 +64
perform_d6_release 259 262 +3
init_d6_packet 84 85 +1
send_d6_discover 286 285 -1
send_d6_select 128 126 -2
send_d6_renew 176 174 -2
send_d6_info_request 65 63 -2
udhcpc_main 2555 2551 -4
send_select 130 122 -8
send_renew 99 91 -8
send_discover 89 81 -8
udhcpc6_main 2636 2602 -34
send_release 74 - -74
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(add/remove: 0/1 grow/shrink: 3/9 up/down: 68/-143) Total: -75 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
add_serverid_and_clientid_options - 46 +46
send_decline 88 83 -5
perform_release 200 159 -41
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(add/remove: 1/0 grow/shrink: 0/2 up/down: 46/-46) Total: 0 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
.rodata 103190 103189 -1
packed_usage 33590 33566 -24
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-25) Total: -25 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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The $RANDOM variable may be disabled on ash compilation but we can safelly use mktemp instead.
Signed-off-by: Sergey Ponomarev <stokito@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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"-x vendor:VENDOR" will not be a trivial replacement of it:
(1) by default, we do send a vendor string ("udhcp BB_VER"),
will need code to preserve the default.
(2) -V '' currently disables vendor string. -x vendor:''
would not easily achieve that: it adds no option at all
(string options can't be empty), and default (1) would trigger.
To avoid that, we will need yet another hack to detect
-x vendor:'' and interpret that as "no vendor string at all".
IOW: removing -V is likely to increase code size, not decrease.
function old new delta
udhcpc_main 2563 2555 -8
.rodata 103251 103198 -53
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-61) Total: -61 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
if_verbose_print_connection_status - 40 +40
tcpudpsvd_main 1798 1794 -4
connection_status 31 - -31
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(add/remove: 1/1 grow/shrink: 0/1 up/down: 40/-35) Total: 5 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Even following current Internet standards, it can be perfectly
legitimate to issue IPv4 addresses that end in .0 or .255 via DHCP --
this can happen whenever the network is larger than /8. For example,
10.3.4.0 and 10.3.4.255 are legitimate host addresses in 10/8 or 10.3/16.
(We also want to be able to issue .0 addresses in smaller networks
following our proposed kernel patch and standards changes.)
This behavior is already fully controllable by the user, simply by
setting start_ip and end_ip correctly. Users who don't want to issue
.0 or .255 should set start_ip greater than .0 or end_ip less than .255
and udhcpd will already respect these bounds. (This is also the case
for other DHCP servers -- the recommended example configurations will
default to a lower bound starting with .1 or some other value, which is
typically appropriate, but the user is still allowed to change this to
.0 -- or to a range that overlaps a .0 or .255 address -- if so desired.)
Signed-off-by: Seth David Schoen <schoen@loyalty.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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SRV lookups are supported since "6b4960155 nslookup: implement support
for SRV records" and should therefore be mentioned as a possible
QUERY_TYPE in the help message.
Signed-off-by: Paul Spooren <mail@aparcar.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcpc6_main 2628 2636 +8
udhcpc_main 2556 2563 +7
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 15/0) Total: 15 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
d4_run_script - 739 +739
d4_recv_raw_packet - 484 +484
d4_run_script_deconfig - 12 +12
perform_release 207 200 -7
udhcpc_main 2598 2556 -42
udhcp_recv_raw_packet 484 - -484
udhcp_run_script 739 - -739
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(add/remove: 3/2 grow/shrink: 0/2 up/down: 1235/-1272) Total: -37 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
.rodata 103249 103246 -3
arpping 437 420 -17
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-20) Total: -20 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
log1s - 15 +15
udhcp_recv_kernel_packet 134 125 -9
d6_recv_kernel_packet 118 109 -9
change_listen_mode 280 271 -9
send_packet 162 141 -21
udhcpc_main 2625 2598 -27
udhcpc6_main 2655 2628 -27
d6_recv_raw_packet 255 216 -39
udhcp_recv_raw_packet 562 484 -78
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(add/remove: 1/0 grow/shrink: 0/8 up/down: 15/-219) Total: -204 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This restores old behavior where we slept for 1/2 of lease, then tried renewing,
thel slept for 1/4 and tried again, etc. But now we will NOT be listening to
all packets for 1/2 of lease time, processing (rejecting) everyone else's
DHCP traffic.
We'll go back to bound state, where we have no listening socket at all.
function old new delta
udhcpc6_main 2600 2655 +55
udhcpc_main 2608 2625 +17
.rodata 103250 103249 -1
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(add/remove: 0/0 grow/shrink: 2/1 up/down: 72/-1) Total: 71 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
change_listen_mode 299 280 -19
.rodata 103272 103250 -22
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(add/remove: 0/0 grow/shrink: 0/2 up/down: 0/-41) Total: -41 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcpc_main 2566 2608 +42
.rodata 103248 103272 +24
udhcp_recv_raw_packet 559 562 +3
d6_recv_raw_packet 254 255 +1
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(add/remove: 0/0 grow/shrink: 4/0 up/down: 70/0) Total: 70 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcpc6_main 2571 2600 +29
udhcpc_main 2588 2566 -22
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 29/-22) Total: 7 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
attach_option 253 276 +23
udhcpc_main 2582 2588 +6
udhcpc6_main 2579 2571 -8
add_client_options 175 158 -17
udhcp_insert_new_option 169 138 -31
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(add/remove: 0/0 grow/shrink: 2/3 up/down: 29/-56) Total: -27 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcpc_main 2563 2582 +19
dhcp_option_strings 294 301 +7
dhcp_optflags 80 82 +2
.rodata 103250 103248 -2
udhcpc_longopts 252 241 -11
add_client_options 209 175 -34
alloc_dhcp_option 59 - -59
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(add/remove: 0/1 grow/shrink: 3/3 up/down: 28/-106) Total: -78 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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61:HEX option
client_data.vendorclass, .hostname and .fqdn probably need the same treatment:
just insert them into the list of -x opts, get rid of
if (client_data.vendorclass)
udhcp_add_binary_option(packet, client_data.vendorclass);
if (client_data.hostname)
udhcp_add_binary_option(packet, client_data.hostname);
if (client_data.fqdn)
udhcp_add_binary_option(packet, client_data.fqdn);
function old new delta
udhcp_insert_new_option - 166 +166
perform_release 171 207 +36
perform_d6_release 227 259 +32
udhcpc6_main 2558 2580 +22
init_d6_packet 103 84 -19
udhcpc_main 2585 2564 -21
attach_option 397 253 -144
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(add/remove: 1/0 grow/shrink: 3/3 up/down: 256/-184) Total: 72 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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As reported in bug 13776, before this fix the renew never times out.
function old new delta
udhcpc_main 2541 2585 +44
udhcpc6_main 2567 2558 -9
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 44/-9) Total: 35 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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error page
For one, an attacker can try to overload us by just opening and immediately
closing tons of connections - reduce our work to the minimum for this case.
function old new delta
handle_incoming_and_exit 2172 2200 +28
.rodata 103225 103246 +21
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(add/remove: 0/0 grow/shrink: 2/0 up/down: 49/0) Total: 49 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2161 2172 +11
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
parse_conf 1325 1332 +7
handle_incoming_and_exit 2173 2161 -12
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(add/remove: 0/0 grow/shrink: 1/1 up/down: 7/-12) Total: -5 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2172 2173 +1
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This makes proxy work for any type of requests.
function old new delta
handle_incoming_and_exit 2240 2172 -68
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
handle_incoming_and_exit 2217 2240 +23
static.request_POST - 5 +5
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(add/remove: 1/0 grow/shrink: 1/0 up/down: 28/0) Total: 28 bytes
Signed-off-by: Alexander Sack <asac@pantacor.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
udhcpc_main 2550 2541 -9
udhcpc6_main 2576 2567 -9
change_listen_mode 321 299 -22
.rodata 103294 103225 -69
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(add/remove: 0/0 grow/shrink: 0/4 up/down: 0/-109) Total: -109 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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seconds
This allows to fix a problem that we wait for renew replies
for up to half the lease (!!!) if they never come.
Make it so that lease of 60 seconds is not "rounded up" to 120 seconds -
set lower "sanity limit" to 30 seconds.
After 3 failed renew attempts, switch to rebind.
After this change, we can have more flexible choice of when to do
the first renew - does not need to be equal to lease / 2.
function old new delta
udhcpc6_main 2568 2576 +8
.rodata 103339 103294 -45
udhcpc_main 2609 2550 -59
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(add/remove: 0/0 grow/shrink: 1/2 up/down: 8/-104) Total: -96 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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This resolves failures like
wget: server returned error: HTTP/1.1 307 Temporary Redirect
Signed-off-by: Jeremy Lin <jeremy.lin@gmail.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
curve25519 832 849 +17
curve_x25519_compute_pubkey_and_premaster 74 71 -3
static.basepoint9 32 - -32
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(add/remove: 0/1 grow/shrink: 1/1 up/down: 17/-35) Total: -18 bytes
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
curve_P256_compute_pubkey_and_premaster 194 191 -3
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
sp_256_mod_mul_norm_10 1439 1305 -134
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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function old new delta
sp_256_mod_mul_norm_10 1439 1405 -34
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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