udhcp: get rid of bb_info_msg()
function old new delta udhcpd_main 1501 1531 +30 d6_recv_raw_packet 251 264 +13 perform_d6_release 188 198 +10 udhcpc6_main 2443 2449 +6 udhcp_recv_raw_packet 582 588 +6 udhcp_recv_kernel_packet 132 138 +6 send_d6_renew 140 146 +6 d6_recv_kernel_packet 118 124 +6 send_renew 77 82 +5 send_discover 85 90 +5 send_decline 84 89 +5 send_d6_select 97 102 +5 send_d6_discover 174 179 +5 perform_release 167 172 +5 count_lines 72 74 +2 udhcpc_main 2836 2837 +1 bb_info_msg 125 - -125 ------------------------------------------------------------------------------ (add/remove: 0/2 grow/shrink: 17/4 up/down: 117/-180) Total: -63 bytes text data bss dec hex filename 924935 906 17160 943001 e6399 busybox_old 924736 906 17160 942802 e62d2 busybox_unstripped Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
80f0f1d712
commit
8f2e99c813
@ -1150,7 +1150,6 @@ extern void bb_herror_msg(const char *s, ...) __attribute__ ((format (printf, 1,
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extern void bb_herror_msg_and_die(const char *s, ...) __attribute__ ((noreturn, format (printf, 1, 2))) FAST_FUNC;
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extern void bb_perror_nomsg_and_die(void) NORETURN FAST_FUNC;
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extern void bb_perror_nomsg(void) FAST_FUNC;
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extern void bb_info_msg(const char *s, ...) __attribute__ ((format (printf, 1, 2))) FAST_FUNC;
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extern void bb_verror_msg(const char *s, va_list p, const char *strerr) FAST_FUNC;
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extern void bb_logenv_override(void) FAST_FUNC;
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@ -46,7 +46,6 @@ lib-y += get_volsize.o
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lib-y += herror_msg.o
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lib-y += human_readable.o
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lib-y += inet_common.o
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lib-y += info_msg.o
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lib-y += inode_hash.o
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lib-y += isdirectory.o
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lib-y += kernel_version.o
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@ -1,62 +0,0 @@
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/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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#include "libbb.h"
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#if ENABLE_FEATURE_SYSLOG
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# include <syslog.h>
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#endif
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void FAST_FUNC bb_info_msg(const char *s, ...)
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{
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#ifdef THIS_ONE_DOESNT_DO_SINGLE_WRITE
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va_list p;
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/* va_copy is used because it is not portable
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* to use va_list p twice */
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va_list p2;
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va_start(p, s);
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va_copy(p2, p);
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if (logmode & LOGMODE_STDIO) {
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vprintf(s, p);
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fputs(msg_eol, stdout);
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}
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# if ENABLE_FEATURE_SYSLOG
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if (logmode & LOGMODE_SYSLOG)
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vsyslog(LOG_INFO, s, p2);
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# endif
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va_end(p2);
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va_end(p);
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#else
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int used;
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char *msg;
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va_list p;
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if (logmode == 0)
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return;
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va_start(p, s);
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used = vasprintf(&msg, s, p);
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va_end(p);
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if (used < 0)
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return;
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# if ENABLE_FEATURE_SYSLOG
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if (logmode & LOGMODE_SYSLOG)
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syslog(LOG_INFO, "%s", msg);
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# endif
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if (logmode & LOGMODE_STDIO) {
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fflush_all();
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/* used = strlen(msg); - must be true already */
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msg[used++] = '\n';
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full_write(STDOUT_FILENO, msg, used);
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}
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free(msg);
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#endif
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}
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@ -132,6 +132,6 @@ int FAST_FUNC arpping(uint32_t test_nip,
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ret:
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close(s);
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log1("%srp reply received for this address", rv ? "No a" : "A");
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log1("%srp reply received for this address", rv ? "no a" : "A");
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return rv;
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}
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@ -183,7 +183,7 @@ static void log_option(const char *pfx, const uint8_t *opt)
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if (dhcp_verbose >= 2) {
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char buf[256 * 2 + 2];
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*bin2hex(buf, (void*) (opt + OPT_DATA), opt[OPT_LEN]) = '\0';
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bb_info_msg("%s: 0x%02x %s", pfx, opt[OPT_CODE], buf);
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bb_error_msg("%s: 0x%02x %s", pfx, opt[OPT_CODE], buf);
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}
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}
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#else
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@ -269,7 +269,7 @@ uint8_t* FAST_FUNC udhcp_get_option(struct dhcp_packet *packet, int code)
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}
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/* log3 because udhcpc uses it a lot - very noisy */
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log3("Option 0x%02x not found", code);
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log3("option 0x%02x not found", code);
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return NULL;
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}
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@ -402,7 +402,7 @@ static NOINLINE void attach_option(
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struct option_set *new, **curr;
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/* make a new option */
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log2("Attaching option %02x to list", optflag->code);
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log2("attaching option %02x to list", optflag->code);
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new = xmalloc(sizeof(*new));
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new->data = xmalloc(length + OPT_DATA);
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new->data[OPT_CODE] = optflag->code;
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@ -422,7 +422,7 @@ static NOINLINE void attach_option(
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unsigned old_len;
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/* add it to an existing option */
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log2("Attaching option %02x to existing member of list", optflag->code);
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log2("attaching option %02x to existing member of list", optflag->code);
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old_len = existing->data[OPT_LEN];
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if (old_len + length < 255) {
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/* actually 255 is ok too, but adding a space can overlow it */
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@ -256,16 +256,16 @@ struct option_set *udhcp_find_option(struct option_set *opt_list, uint8_t code)
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#if defined CONFIG_UDHCP_DEBUG && CONFIG_UDHCP_DEBUG >= 1
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# define IF_UDHCP_VERBOSE(...) __VA_ARGS__
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extern unsigned dhcp_verbose;
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# define log1(...) do { if (dhcp_verbose >= 1) bb_info_msg(__VA_ARGS__); } while (0)
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# define log1(...) do { if (dhcp_verbose >= 1) bb_error_msg(__VA_ARGS__); } while (0)
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# if CONFIG_UDHCP_DEBUG >= 2
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void udhcp_dump_packet(struct dhcp_packet *packet) FAST_FUNC;
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# define log2(...) do { if (dhcp_verbose >= 2) bb_info_msg(__VA_ARGS__); } while (0)
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# define log2(...) do { if (dhcp_verbose >= 2) bb_error_msg(__VA_ARGS__); } while (0)
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# else
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# define udhcp_dump_packet(...) ((void)0)
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# define log2(...) ((void)0)
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# endif
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# if CONFIG_UDHCP_DEBUG >= 3
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# define log3(...) do { if (dhcp_verbose >= 3) bb_info_msg(__VA_ARGS__); } while (0)
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# define log3(...) do { if (dhcp_verbose >= 3) bb_error_msg(__VA_ARGS__); } while (0)
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# else
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# define log3(...) ((void)0)
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# endif
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@ -251,7 +251,7 @@ static void d6_run_script(struct d6_packet *packet, const char *name)
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envp = fill_envp(packet);
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/* call script */
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log1("Executing %s %s", client_config.script, name);
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log1("executing %s %s", client_config.script, name);
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argv[0] = (char*) client_config.script;
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argv[1] = (char*) name;
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argv[2] = NULL;
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@ -428,7 +428,7 @@ static NOINLINE int send_d6_discover(uint32_t xid, struct in6_addr *requested_ip
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*/
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opt_ptr = add_d6_client_options(opt_ptr);
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bb_info_msg("Sending discover...");
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bb_error_msg("sending %s", "discover");
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return d6_mcast_from_client_config_ifindex(&packet, opt_ptr);
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}
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@ -481,7 +481,7 @@ static NOINLINE int send_d6_select(uint32_t xid)
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*/
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opt_ptr = add_d6_client_options(opt_ptr);
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bb_info_msg("Sending select...");
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bb_error_msg("sending %s", "select");
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return d6_mcast_from_client_config_ifindex(&packet, opt_ptr);
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}
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@ -550,7 +550,7 @@ static NOINLINE int send_d6_renew(uint32_t xid, struct in6_addr *server_ipv6, st
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*/
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opt_ptr = add_d6_client_options(opt_ptr);
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bb_info_msg("Sending renew...");
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bb_error_msg("sending %s", "renew");
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if (server_ipv6)
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return d6_send_kernel_packet(
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&packet, (opt_ptr - (uint8_t*) &packet),
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@ -573,7 +573,7 @@ static int send_d6_release(struct in6_addr *server_ipv6, struct in6_addr *our_cu
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/* IA NA (contains our current IP) */
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opt_ptr = d6_store_blob(opt_ptr, client6_data.ia_na, client6_data.ia_na->len + 2+2);
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bb_info_msg("Sending release...");
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bb_error_msg("sending %s", "release");
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return d6_send_kernel_packet(
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&packet, (opt_ptr - (uint8_t*) &packet),
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our_cur_ipv6, CLIENT_PORT6,
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@ -592,19 +592,19 @@ static NOINLINE int d6_recv_raw_packet(struct in6_addr *peer_ipv6
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bytes = safe_read(fd, &packet, sizeof(packet));
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if (bytes < 0) {
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log1("Packet read error, ignoring");
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log1("packet read error, ignoring");
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/* NB: possible down interface, etc. Caller should pause. */
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return bytes; /* returns -1 */
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}
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if (bytes < (int) (sizeof(packet.ip6) + sizeof(packet.udp))) {
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log1("Packet is too short, ignoring");
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log1("packet is too short, ignoring");
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return -2;
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}
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if (bytes < sizeof(packet.ip6) + ntohs(packet.ip6.ip6_plen)) {
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/* packet is bigger than sizeof(packet), we did partial read */
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log1("Oversized packet, ignoring");
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log1("oversized packet, ignoring");
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return -2;
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}
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@ -618,7 +618,7 @@ static NOINLINE int d6_recv_raw_packet(struct in6_addr *peer_ipv6
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/* || bytes > (int) sizeof(packet) - can't happen */
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|| packet.udp.len != packet.ip6.ip6_plen
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) {
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log1("Unrelated/bogus packet, ignoring");
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log1("unrelated/bogus packet, ignoring");
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return -2;
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}
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@ -630,11 +630,11 @@ static NOINLINE int d6_recv_raw_packet(struct in6_addr *peer_ipv6
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// check = packet.udp.check;
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// packet.udp.check = 0;
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// if (check && check != inet_cksum((uint16_t *)&packet, bytes)) {
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// log1("Packet with bad UDP checksum received, ignoring");
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// log1("packet with bad UDP checksum received, ignoring");
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// return -2;
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// }
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log1("Received a packet");
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log1("received %s", "a packet");
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d6_dump_packet(&packet.data);
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bytes -= sizeof(packet.ip6) + sizeof(packet.udp);
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@ -722,10 +722,10 @@ static int d6_raw_socket(int ifindex)
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};
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#endif
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log1("Opening raw socket on ifindex %d", ifindex); //log2?
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log1("opening raw socket on ifindex %d", ifindex); //log2?
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fd = xsocket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IPV6));
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log1("Got raw socket fd %d", fd); //log2?
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log1("got raw socket fd %d", fd); //log2?
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sock.sll_family = AF_PACKET;
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sock.sll_protocol = htons(ETH_P_IPV6);
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@ -738,18 +738,18 @@ static int d6_raw_socket(int ifindex)
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/* Ignoring error (kernel may lack support for this) */
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if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter_prog,
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sizeof(filter_prog)) >= 0)
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log1("Attached filter to raw socket fd %d", fd); // log?
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log1("attached filter to raw socket fd %d", fd); // log?
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}
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#endif
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log1("Created raw socket");
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log1("created raw socket");
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return fd;
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}
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static void change_listen_mode(int new_mode)
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{
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log1("Entering listen mode: %s",
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log1("entering listen mode: %s",
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new_mode != LISTEN_NONE
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? (new_mode == LISTEN_KERNEL ? "kernel" : "raw")
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: "none"
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@ -770,7 +770,7 @@ static void change_listen_mode(int new_mode)
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/* Called only on SIGUSR1 */
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static void perform_renew(void)
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{
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bb_info_msg("Performing a DHCP renew");
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bb_error_msg("performing DHCP renew");
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switch (state) {
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case BOUND:
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change_listen_mode(LISTEN_KERNEL);
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@ -794,11 +794,11 @@ static void perform_d6_release(struct in6_addr *server_ipv6, struct in6_addr *ou
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{
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/* send release packet */
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if (state == BOUND || state == RENEWING || state == REBINDING) {
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bb_info_msg("Unicasting a release");
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bb_error_msg("unicasting a release");
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send_d6_release(server_ipv6, our_cur_ipv6); /* unicast */
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d6_run_script(NULL, "deconfig");
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}
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bb_info_msg("Entering released state");
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bb_error_msg("entering released state");
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change_listen_mode(LISTEN_NONE);
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state = RELEASED;
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@ -1034,7 +1034,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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/* Create pidfile */
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write_pidfile(client_config.pidfile);
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/* Goes to stdout (unless NOMMU) and possibly syslog */
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bb_info_msg("%s (v"BB_VER") started", applet_name);
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bb_error_msg("started, v"BB_VER);
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/* Set up the signal pipe */
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udhcp_sp_setup();
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/* We want random_xid to be random... */
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@ -1074,7 +1074,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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retval = 0;
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/* If we already timed out, fall through with retval = 0, else... */
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if ((int)tv.tv_sec > 0) {
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log1("Waiting on select %u seconds", (int)tv.tv_sec);
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log1("waiting on select %u seconds", (int)tv.tv_sec);
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timestamp_before_wait = (unsigned)monotonic_sec();
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retval = select(max_fd + 1, &rfds, NULL, NULL, &tv);
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if (retval < 0) {
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@ -1124,14 +1124,14 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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d6_run_script(NULL, "leasefail");
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#if BB_MMU /* -b is not supported on NOMMU */
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if (opt & OPT_b) { /* background if no lease */
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bb_info_msg("No lease, forking to background");
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bb_error_msg("no lease, forking to background");
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client_background();
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/* do not background again! */
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opt = ((opt & ~OPT_b) | OPT_f);
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} else
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#endif
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if (opt & OPT_n) { /* abort if no lease */
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bb_info_msg("No lease, failing");
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bb_error_msg("no lease, failing");
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retval = 1;
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goto ret;
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}
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@ -1159,7 +1159,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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state = RENEWING;
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client_config.first_secs = 0; /* make secs field count from 0 */
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change_listen_mode(LISTEN_KERNEL);
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log1("Entering renew state");
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log1("entering renew state");
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/* fall right through */
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case RENEW_REQUESTED: /* manual (SIGUSR1) renew */
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case_RENEW_REQUESTED:
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@ -1179,7 +1179,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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continue;
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}
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/* Timed out, enter rebinding state */
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log1("Entering rebinding state");
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log1("entering rebinding state");
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state = REBINDING;
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/* fall right through */
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case REBINDING:
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@ -1194,7 +1194,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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continue;
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}
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/* Timed out, enter init state */
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bb_info_msg("Lease lost, entering init state");
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bb_error_msg("lease lost, entering init state");
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d6_run_script(NULL, "deconfig");
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state = INIT_SELECTING;
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client_config.first_secs = 0; /* make secs field count from 0 */
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@ -1242,7 +1242,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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timeout = INT_MAX;
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continue;
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case SIGTERM:
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bb_info_msg("Received SIGTERM");
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bb_error_msg("received %s", "SIGTERM");
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goto ret0;
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}
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@ -1260,7 +1260,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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len = d6_recv_raw_packet(&srv6_buf, &packet, sockfd);
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if (len == -1) {
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/* Error is severe, reopen socket */
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bb_info_msg("Read error: %s, reopening socket", strerror(errno));
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bb_error_msg("read error: %s, reopening socket", strerror(errno));
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sleep(discover_timeout); /* 3 seconds by default */
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change_listen_mode(listen_mode); /* just close and reopen */
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}
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@ -1298,7 +1298,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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option = d6_find_option(packet.d6_options, packet_end, D6_OPT_STATUS_CODE);
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if (option && option->data[4] != 0) {
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/* return to init state */
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bb_info_msg("Received DHCP NAK (%u)", option->data[4]);
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bb_error_msg("received DHCP NAK (%u)", option->data[4]);
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d6_run_script(&packet, "nak");
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if (state != REQUESTING)
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d6_run_script(NULL, "deconfig");
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@ -1453,7 +1453,7 @@ int udhcpc6_main(int argc UNUSED_PARAM, char **argv)
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lease_seconds = 0x0fffffff;
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/* enter bound state */
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||||
timeout = lease_seconds / 2;
|
||||
bb_info_msg("Lease obtained, lease time %u",
|
||||
bb_error_msg("lease obtained, lease time %u",
|
||||
/*inet_ntoa(temp_addr),*/ (unsigned)lease_seconds);
|
||||
d6_run_script(&packet, state == REQUESTING ? "bound" : "renew");
|
||||
|
||||
|
||||
@ -17,8 +17,8 @@ void FAST_FUNC d6_dump_packet(struct d6_packet *packet)
|
||||
if (dhcp_verbose < 2)
|
||||
return;
|
||||
|
||||
bb_info_msg(
|
||||
" xid %x"
|
||||
bb_error_msg(
|
||||
"xid %x"
|
||||
, packet->d6_xid32
|
||||
);
|
||||
//*bin2hex(buf, (void *) packet->chaddr, sizeof(packet->chaddr)) = '\0';
|
||||
@ -35,15 +35,15 @@ int FAST_FUNC d6_recv_kernel_packet(struct in6_addr *peer_ipv6
|
||||
memset(packet, 0, sizeof(*packet));
|
||||
bytes = safe_read(fd, packet, sizeof(*packet));
|
||||
if (bytes < 0) {
|
||||
log1("Packet read error, ignoring");
|
||||
log1("packet read error, ignoring");
|
||||
return bytes; /* returns -1 */
|
||||
}
|
||||
|
||||
if (bytes < offsetof(struct d6_packet, d6_options)) {
|
||||
bb_info_msg("Packet with bad magic, ignoring");
|
||||
bb_error_msg("packet with bad magic, ignoring");
|
||||
return -2;
|
||||
}
|
||||
log1("Received a packet");
|
||||
log1("received %s", "a packet");
|
||||
d6_dump_packet(packet);
|
||||
|
||||
return bytes;
|
||||
|
||||
@ -13,7 +13,7 @@ int FAST_FUNC d6_listen_socket(int port, const char *inf)
|
||||
int fd;
|
||||
struct sockaddr_in6 addr;
|
||||
|
||||
log1("Opening listen socket on *:%d %s", port, inf);
|
||||
log1("opening listen socket on *:%d %s", port, inf);
|
||||
fd = xsocket(PF_INET6, SOCK_DGRAM, IPPROTO_UDP);
|
||||
|
||||
setsockopt_reuseaddr(fd);
|
||||
|
||||
@ -561,7 +561,7 @@ static void udhcp_run_script(struct dhcp_packet *packet, const char *name)
|
||||
envp = fill_envp(packet);
|
||||
|
||||
/* call script */
|
||||
log1("Executing %s %s", client_config.script, name);
|
||||
log1("executing %s %s", client_config.script, name);
|
||||
argv[0] = (char*) client_config.script;
|
||||
argv[1] = (char*) name;
|
||||
argv[2] = NULL;
|
||||
@ -714,7 +714,7 @@ static NOINLINE int send_discover(uint32_t xid, uint32_t requested)
|
||||
*/
|
||||
add_client_options(&packet);
|
||||
|
||||
bb_info_msg("Sending discover...");
|
||||
bb_error_msg("sending %s", "discover");
|
||||
return raw_bcast_from_client_config_ifindex(&packet, INADDR_ANY);
|
||||
}
|
||||
|
||||
@ -758,7 +758,7 @@ static NOINLINE int send_select(uint32_t xid, uint32_t server, uint32_t requeste
|
||||
add_client_options(&packet);
|
||||
|
||||
addr.s_addr = requested;
|
||||
bb_info_msg("Sending select for %s...", inet_ntoa(addr));
|
||||
bb_error_msg("sending select for %s", inet_ntoa(addr));
|
||||
return raw_bcast_from_client_config_ifindex(&packet, INADDR_ANY);
|
||||
}
|
||||
|
||||
@ -797,7 +797,7 @@ static NOINLINE int send_renew(uint32_t xid, uint32_t server, uint32_t ciaddr)
|
||||
*/
|
||||
add_client_options(&packet);
|
||||
|
||||
bb_info_msg("Sending renew...");
|
||||
bb_error_msg("sending %s", "renew");
|
||||
return bcast_or_ucast(&packet, ciaddr, server);
|
||||
}
|
||||
|
||||
@ -826,7 +826,7 @@ static NOINLINE int send_decline(/*uint32_t xid,*/ uint32_t server, uint32_t req
|
||||
|
||||
udhcp_add_simple_option(&packet, DHCP_SERVER_ID, server);
|
||||
|
||||
bb_info_msg("Sending decline...");
|
||||
bb_error_msg("sending %s", "decline");
|
||||
return raw_bcast_from_client_config_ifindex(&packet, INADDR_ANY);
|
||||
}
|
||||
#endif
|
||||
@ -846,7 +846,7 @@ static int send_release(uint32_t server, uint32_t ciaddr)
|
||||
|
||||
udhcp_add_simple_option(&packet, DHCP_SERVER_ID, server);
|
||||
|
||||
bb_info_msg("Sending release...");
|
||||
bb_error_msg("sending %s", "release");
|
||||
/* Note: normally we unicast here since "server" is not zero.
|
||||
* However, there _are_ people who run "address-less" DHCP servers,
|
||||
* and reportedly ISC dhcp client and Windows allow that.
|
||||
@ -881,7 +881,7 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
|
||||
if (bytes < 0) {
|
||||
if (errno == EINTR)
|
||||
continue;
|
||||
log1("Packet read error, ignoring");
|
||||
log1("packet read error, ignoring");
|
||||
/* NB: possible down interface, etc. Caller should pause. */
|
||||
return bytes; /* returns -1 */
|
||||
}
|
||||
@ -889,13 +889,13 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
|
||||
}
|
||||
|
||||
if (bytes < (int) (sizeof(packet.ip) + sizeof(packet.udp))) {
|
||||
log1("Packet is too short, ignoring");
|
||||
log1("packet is too short, ignoring");
|
||||
return -2;
|
||||
}
|
||||
|
||||
if (bytes < ntohs(packet.ip.tot_len)) {
|
||||
/* packet is bigger than sizeof(packet), we did partial read */
|
||||
log1("Oversized packet, ignoring");
|
||||
log1("oversized packet, ignoring");
|
||||
return -2;
|
||||
}
|
||||
|
||||
@ -910,7 +910,7 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
|
||||
/* || bytes > (int) sizeof(packet) - can't happen */
|
||||
|| ntohs(packet.udp.len) != (uint16_t)(bytes - sizeof(packet.ip))
|
||||
) {
|
||||
log1("Unrelated/bogus packet, ignoring");
|
||||
log1("unrelated/bogus packet, ignoring");
|
||||
return -2;
|
||||
}
|
||||
|
||||
@ -918,7 +918,7 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
|
||||
check = packet.ip.check;
|
||||
packet.ip.check = 0;
|
||||
if (check != inet_cksum((uint16_t *)&packet.ip, sizeof(packet.ip))) {
|
||||
log1("Bad IP header checksum, ignoring");
|
||||
log1("bad IP header checksum, ignoring");
|
||||
return -2;
|
||||
}
|
||||
|
||||
@ -943,17 +943,17 @@ static NOINLINE int udhcp_recv_raw_packet(struct dhcp_packet *dhcp_pkt, int fd)
|
||||
check = packet.udp.check;
|
||||
packet.udp.check = 0;
|
||||
if (check && check != inet_cksum((uint16_t *)&packet, bytes)) {
|
||||
log1("Packet with bad UDP checksum received, ignoring");
|
||||
log1("packet with bad UDP checksum received, ignoring");
|
||||
return -2;
|
||||
}
|
||||
skip_udp_sum_check:
|
||||
|
||||
if (packet.data.cookie != htonl(DHCP_MAGIC)) {
|
||||
bb_info_msg("Packet with bad magic, ignoring");
|
||||
bb_error_msg("packet with bad magic, ignoring");
|
||||
return -2;
|
||||
}
|
||||
|
||||
log1("Received a packet");
|
||||
log1("received %s", "a packet");
|
||||
udhcp_dump_packet(&packet.data);
|
||||
|
||||
bytes -= sizeof(packet.ip) + sizeof(packet.udp);
|
||||
@ -992,14 +992,14 @@ static int udhcp_raw_socket(int ifindex)
|
||||
int fd;
|
||||
struct sockaddr_ll sock;
|
||||
|
||||
log1("Opening raw socket on ifindex %d", ifindex); //log2?
|
||||
log1("opening raw socket on ifindex %d", ifindex); //log2?
|
||||
|
||||
fd = xsocket(PF_PACKET, SOCK_DGRAM, htons(ETH_P_IP));
|
||||
/* ^^^^^
|
||||
* SOCK_DGRAM: remove link-layer headers on input (SOCK_RAW keeps them)
|
||||
* ETH_P_IP: want to receive only packets with IPv4 eth type
|
||||
*/
|
||||
log1("Got raw socket fd"); //log2?
|
||||
log1("got raw socket fd"); //log2?
|
||||
|
||||
sock.sll_family = AF_PACKET;
|
||||
sock.sll_protocol = htons(ETH_P_IP);
|
||||
@ -1055,23 +1055,23 @@ static int udhcp_raw_socket(int ifindex)
|
||||
/* Ignoring error (kernel may lack support for this) */
|
||||
if (setsockopt(fd, SOL_SOCKET, SO_ATTACH_FILTER, &filter_prog,
|
||||
sizeof(filter_prog)) >= 0)
|
||||
log1("Attached filter to raw socket fd"); // log?
|
||||
log1("attached filter to raw socket fd"); // log?
|
||||
}
|
||||
#endif
|
||||
|
||||
if (setsockopt_1(fd, SOL_PACKET, PACKET_AUXDATA) != 0) {
|
||||
if (errno != ENOPROTOOPT)
|
||||
log1("Can't set PACKET_AUXDATA on raw socket");
|
||||
log1("can't set PACKET_AUXDATA on raw socket");
|
||||
}
|
||||
|
||||
log1("Created raw socket");
|
||||
log1("created raw socket");
|
||||
|
||||
return fd;
|
||||
}
|
||||
|
||||
static void change_listen_mode(int new_mode)
|
||||
{
|
||||
log1("Entering listen mode: %s",
|
||||
log1("entering listen mode: %s",
|
||||
new_mode != LISTEN_NONE
|
||||
? (new_mode == LISTEN_KERNEL ? "kernel" : "raw")
|
||||
: "none"
|
||||
@ -1092,7 +1092,7 @@ static void change_listen_mode(int new_mode)
|
||||
/* Called only on SIGUSR1 */
|
||||
static void perform_renew(void)
|
||||
{
|
||||
bb_info_msg("Performing a DHCP renew");
|
||||
bb_error_msg("performing DHCP renew");
|
||||
switch (state) {
|
||||
case BOUND:
|
||||
change_listen_mode(LISTEN_KERNEL);
|
||||
@ -1122,12 +1122,12 @@ static void perform_release(uint32_t server_addr, uint32_t requested_ip)
|
||||
temp_addr.s_addr = server_addr;
|
||||
strcpy(buffer, inet_ntoa(temp_addr));
|
||||
temp_addr.s_addr = requested_ip;
|
||||
bb_info_msg("Unicasting a release of %s to %s",
|
||||
bb_error_msg("unicasting a release of %s to %s",
|
||||
inet_ntoa(temp_addr), buffer);
|
||||
send_release(server_addr, requested_ip); /* unicast */
|
||||
udhcp_run_script(NULL, "deconfig");
|
||||
}
|
||||
bb_info_msg("Entering released state");
|
||||
bb_error_msg("entering released state");
|
||||
|
||||
change_listen_mode(LISTEN_NONE);
|
||||
state = RELEASED;
|
||||
@ -1395,7 +1395,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
/* Create pidfile */
|
||||
write_pidfile(client_config.pidfile);
|
||||
/* Goes to stdout (unless NOMMU) and possibly syslog */
|
||||
bb_info_msg("%s (v"BB_VER") started", applet_name);
|
||||
bb_error_msg("started, v"BB_VER);
|
||||
/* Set up the signal pipe */
|
||||
udhcp_sp_setup();
|
||||
/* We want random_xid to be random... */
|
||||
@ -1434,7 +1434,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
retval = 0;
|
||||
/* If we already timed out, fall through with retval = 0, else... */
|
||||
if ((int)tv.tv_sec > 0) {
|
||||
log1("Waiting on select %u seconds", (int)tv.tv_sec);
|
||||
log1("waiting on select %u seconds", (int)tv.tv_sec);
|
||||
timestamp_before_wait = (unsigned)monotonic_sec();
|
||||
retval = select(max_fd + 1, &rfds, NULL, NULL, &tv);
|
||||
if (retval < 0) {
|
||||
@ -1485,14 +1485,14 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
udhcp_run_script(NULL, "leasefail");
|
||||
#if BB_MMU /* -b is not supported on NOMMU */
|
||||
if (opt & OPT_b) { /* background if no lease */
|
||||
bb_info_msg("No lease, forking to background");
|
||||
bb_error_msg("no lease, forking to background");
|
||||
client_background();
|
||||
/* do not background again! */
|
||||
opt = ((opt & ~OPT_b) | OPT_f);
|
||||
} else
|
||||
#endif
|
||||
if (opt & OPT_n) { /* abort if no lease */
|
||||
bb_info_msg("No lease, failing");
|
||||
bb_error_msg("no lease, failing");
|
||||
retval = 1;
|
||||
goto ret;
|
||||
}
|
||||
@ -1520,7 +1520,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
state = RENEWING;
|
||||
client_config.first_secs = 0; /* make secs field count from 0 */
|
||||
change_listen_mode(LISTEN_KERNEL);
|
||||
log1("Entering renew state");
|
||||
log1("entering renew state");
|
||||
/* fall right through */
|
||||
case RENEW_REQUESTED: /* manual (SIGUSR1) renew */
|
||||
case_RENEW_REQUESTED:
|
||||
@ -1540,7 +1540,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
continue;
|
||||
}
|
||||
/* Timed out, enter rebinding state */
|
||||
log1("Entering rebinding state");
|
||||
log1("entering rebinding state");
|
||||
state = REBINDING;
|
||||
/* fall right through */
|
||||
case REBINDING:
|
||||
@ -1555,7 +1555,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
continue;
|
||||
}
|
||||
/* Timed out, enter init state */
|
||||
bb_info_msg("Lease lost, entering init state");
|
||||
bb_error_msg("lease lost, entering init state");
|
||||
udhcp_run_script(NULL, "deconfig");
|
||||
state = INIT_SELECTING;
|
||||
client_config.first_secs = 0; /* make secs field count from 0 */
|
||||
@ -1603,7 +1603,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
timeout = INT_MAX;
|
||||
continue;
|
||||
case SIGTERM:
|
||||
bb_info_msg("Received SIGTERM");
|
||||
bb_error_msg("received %s", "SIGTERM");
|
||||
goto ret0;
|
||||
}
|
||||
|
||||
@ -1621,7 +1621,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
len = udhcp_recv_raw_packet(&packet, sockfd);
|
||||
if (len == -1) {
|
||||
/* Error is severe, reopen socket */
|
||||
bb_info_msg("Read error: %s, reopening socket", strerror(errno));
|
||||
bb_error_msg("read error: %s, reopening socket", strerror(errno));
|
||||
sleep(discover_timeout); /* 3 seconds by default */
|
||||
change_listen_mode(listen_mode); /* just close and reopen */
|
||||
}
|
||||
@ -1744,7 +1744,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
client_config.interface,
|
||||
arpping_ms)
|
||||
) {
|
||||
bb_info_msg("Offered address is in use "
|
||||
bb_error_msg("offered address is in use "
|
||||
"(got ARP reply), declining");
|
||||
send_decline(/*xid,*/ server_addr, packet.yiaddr);
|
||||
|
||||
@ -1763,7 +1763,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
#endif
|
||||
/* enter bound state */
|
||||
temp_addr.s_addr = packet.yiaddr;
|
||||
bb_info_msg("Lease of %s obtained, lease time %u",
|
||||
bb_error_msg("lease of %s obtained, lease time %u",
|
||||
inet_ntoa(temp_addr), (unsigned)lease_seconds);
|
||||
requested_ip = packet.yiaddr;
|
||||
|
||||
@ -1817,7 +1817,7 @@ int udhcpc_main(int argc UNUSED_PARAM, char **argv)
|
||||
goto non_matching_svid;
|
||||
}
|
||||
/* return to init state */
|
||||
bb_info_msg("Received DHCP NAK");
|
||||
bb_error_msg("received %s", "DHCP NAK");
|
||||
udhcp_run_script(&packet, "nak");
|
||||
if (state != REQUESTING)
|
||||
udhcp_run_script(NULL, "deconfig");
|
||||
|
||||
@ -61,11 +61,11 @@ static void send_packet_to_client(struct dhcp_packet *dhcp_pkt, int force_broadc
|
||||
|| (dhcp_pkt->flags & htons(BROADCAST_FLAG))
|
||||
|| dhcp_pkt->ciaddr == 0
|
||||
) {
|
||||
log1("Broadcasting packet to client");
|
||||
log1("broadcasting packet to client");
|
||||
ciaddr = INADDR_BROADCAST;
|
||||
chaddr = MAC_BCAST_ADDR;
|
||||
} else {
|
||||
log1("Unicasting packet to client ciaddr");
|
||||
log1("unicasting packet to client ciaddr");
|
||||
ciaddr = dhcp_pkt->ciaddr;
|
||||
chaddr = dhcp_pkt->chaddr;
|
||||
}
|
||||
@ -79,7 +79,7 @@ static void send_packet_to_client(struct dhcp_packet *dhcp_pkt, int force_broadc
|
||||
/* Send a packet to gateway_nip using the kernel ip stack */
|
||||
static void send_packet_to_relay(struct dhcp_packet *dhcp_pkt)
|
||||
{
|
||||
log1("Forwarding packet to relay");
|
||||
log1("forwarding packet to relay");
|
||||
|
||||
udhcp_send_kernel_packet(dhcp_pkt,
|
||||
server_config.server_nip, SERVER_PORT,
|
||||
@ -214,7 +214,7 @@ static NOINLINE void send_offer(struct dhcp_packet *oldpacket,
|
||||
add_server_options(&packet);
|
||||
|
||||
addr.s_addr = packet.yiaddr;
|
||||
bb_info_msg("Sending OFFER of %s", inet_ntoa(addr));
|
||||
bb_error_msg("sending OFFER of %s", inet_ntoa(addr));
|
||||
/* send_packet emits error message itself if it detects failure */
|
||||
send_packet(&packet, /*force_bcast:*/ 0);
|
||||
}
|
||||
@ -226,7 +226,7 @@ static NOINLINE void send_NAK(struct dhcp_packet *oldpacket)
|
||||
|
||||
init_packet(&packet, oldpacket, DHCPNAK);
|
||||
|
||||
log1("Sending NAK");
|
||||
log1("sending NAK");
|
||||
send_packet(&packet, /*force_bcast:*/ 1);
|
||||
}
|
||||
|
||||
@ -247,7 +247,7 @@ static NOINLINE void send_ACK(struct dhcp_packet *oldpacket, uint32_t yiaddr)
|
||||
add_server_options(&packet);
|
||||
|
||||
addr.s_addr = yiaddr;
|
||||
bb_info_msg("Sending ACK to %s", inet_ntoa(addr));
|
||||
bb_error_msg("sending ACK to %s", inet_ntoa(addr));
|
||||
send_packet(&packet, /*force_bcast:*/ 0);
|
||||
|
||||
p_host_name = (const char*) udhcp_get_option(oldpacket, DHCP_HOST_NAME);
|
||||
@ -361,7 +361,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
|
||||
write_pidfile(server_config.pidfile);
|
||||
/* if (!..) bb_perror_msg("can't create pidfile %s", pidfile); */
|
||||
|
||||
bb_info_msg("%s (v"BB_VER") started", applet_name);
|
||||
bb_error_msg("started, v"BB_VER);
|
||||
|
||||
option = udhcp_find_option(server_config.options, DHCP_LEASE_TIME);
|
||||
server_config.max_lease_sec = DEFAULT_LEASE_TIME;
|
||||
@ -427,18 +427,18 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
|
||||
goto continue_with_autotime;
|
||||
}
|
||||
if (retval < 0 && errno != EINTR) {
|
||||
log1("Error on select");
|
||||
log1("error on select");
|
||||
continue;
|
||||
}
|
||||
|
||||
switch (udhcp_sp_read(&rfds)) {
|
||||
case SIGUSR1:
|
||||
bb_info_msg("Received SIGUSR1");
|
||||
bb_error_msg("received %s", "SIGUSR1");
|
||||
write_leases();
|
||||
/* why not just reset the timeout, eh */
|
||||
goto continue_with_autotime;
|
||||
case SIGTERM:
|
||||
bb_info_msg("Received SIGTERM");
|
||||
bb_error_msg("received %s", "SIGTERM");
|
||||
write_leases();
|
||||
goto ret0;
|
||||
case 0: /* no signal: read a packet */
|
||||
@ -451,7 +451,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
|
||||
if (bytes < 0) {
|
||||
/* bytes can also be -2 ("bad packet data") */
|
||||
if (bytes == -1 && errno != EINTR) {
|
||||
log1("Read error: %s, reopening socket", strerror(errno));
|
||||
log1("read error: %s, reopening socket", strerror(errno));
|
||||
close(server_socket);
|
||||
server_socket = -1;
|
||||
}
|
||||
@ -486,7 +486,7 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
|
||||
/* Look for a static/dynamic lease */
|
||||
static_lease_nip = get_static_nip_by_mac(server_config.static_leases, &packet.chaddr);
|
||||
if (static_lease_nip) {
|
||||
bb_info_msg("Found static lease: %x", static_lease_nip);
|
||||
bb_error_msg("found static lease: %x", static_lease_nip);
|
||||
memcpy(&fake_lease.lease_mac, &packet.chaddr, 6);
|
||||
fake_lease.lease_nip = static_lease_nip;
|
||||
fake_lease.expires = 0;
|
||||
@ -504,13 +504,13 @@ int udhcpd_main(int argc UNUSED_PARAM, char **argv)
|
||||
switch (state[0]) {
|
||||
|
||||
case DHCPDISCOVER:
|
||||
log1("Received DISCOVER");
|
||||
log1("received %s", "DISCOVER");
|
||||
|
||||
send_offer(&packet, static_lease_nip, lease, requested_ip_opt, arpping_ms);
|
||||
break;
|
||||
|
||||
case DHCPREQUEST:
|
||||
log1("Received REQUEST");
|
||||
log1("received %s", "REQUEST");
|
||||
/* RFC 2131:
|
||||
|
||||
o DHCPREQUEST generated during SELECTING state:
|
||||
@ -635,7 +635,7 @@ o DHCPREQUEST generated during REBINDING state:
|
||||
* chaddr must be filled in,
|
||||
* ciaddr must be 0 (we do not check this)
|
||||
*/
|
||||
log1("Received DECLINE");
|
||||
log1("received %s", "DECLINE");
|
||||
if (server_id_opt
|
||||
&& requested_ip_opt
|
||||
&& lease /* chaddr matches this lease */
|
||||
@ -655,7 +655,7 @@ o DHCPREQUEST generated during REBINDING state:
|
||||
* chaddr must be filled in,
|
||||
* ciaddr must be filled in
|
||||
*/
|
||||
log1("Received RELEASE");
|
||||
log1("received %s", "RELEASE");
|
||||
if (server_id_opt
|
||||
&& lease /* chaddr matches this lease */
|
||||
&& packet.ciaddr == lease->lease_nip
|
||||
@ -665,7 +665,7 @@ o DHCPREQUEST generated during REBINDING state:
|
||||
break;
|
||||
|
||||
case DHCPINFORM:
|
||||
log1("Received INFORM");
|
||||
log1("received %s", "INFORM");
|
||||
send_inform(&packet);
|
||||
break;
|
||||
}
|
||||
|
||||
@ -226,7 +226,7 @@ void FAST_FUNC read_leases(const char *file)
|
||||
#endif
|
||||
}
|
||||
}
|
||||
log1("Read %d leases", i);
|
||||
log1("read %d leases", i);
|
||||
ret:
|
||||
close(fd);
|
||||
}
|
||||
|
||||
@ -133,7 +133,7 @@ static int nobody_responds_to_arp(uint32_t nip, const uint8_t *safe_mac, unsigne
|
||||
return r;
|
||||
|
||||
temp.s_addr = nip;
|
||||
bb_info_msg("%s belongs to someone, reserving it for %u seconds",
|
||||
bb_error_msg("%s belongs to someone, reserving it for %u seconds",
|
||||
inet_ntoa(temp), (unsigned)server_config.conflict_time);
|
||||
add_lease(NULL, nip, server_config.conflict_time, NULL, 0);
|
||||
return 0;
|
||||
|
||||
@ -38,8 +38,8 @@ void FAST_FUNC udhcp_dump_packet(struct dhcp_packet *packet)
|
||||
if (dhcp_verbose < 2)
|
||||
return;
|
||||
|
||||
bb_info_msg(
|
||||
//" op %x"
|
||||
bb_error_msg(
|
||||
//"op %x"
|
||||
//" htype %x"
|
||||
" hlen %x"
|
||||
//" hops %x"
|
||||
@ -73,7 +73,7 @@ void FAST_FUNC udhcp_dump_packet(struct dhcp_packet *packet)
|
||||
//, packet->options[]
|
||||
);
|
||||
*bin2hex(buf, (void *) packet->chaddr, sizeof(packet->chaddr)) = '\0';
|
||||
bb_info_msg(" chaddr %s", buf);
|
||||
bb_error_msg("chaddr %s", buf);
|
||||
}
|
||||
#endif
|
||||
|
||||
@ -85,17 +85,17 @@ int FAST_FUNC udhcp_recv_kernel_packet(struct dhcp_packet *packet, int fd)
|
||||
memset(packet, 0, sizeof(*packet));
|
||||
bytes = safe_read(fd, packet, sizeof(*packet));
|
||||
if (bytes < 0) {
|
||||
log1("Packet read error, ignoring");
|
||||
log1("packet read error, ignoring");
|
||||
return bytes; /* returns -1 */
|
||||
}
|
||||
|
||||
if (bytes < offsetof(struct dhcp_packet, options)
|
||||
|| packet->cookie != htonl(DHCP_MAGIC)
|
||||
) {
|
||||
bb_info_msg("Packet with bad magic, ignoring");
|
||||
bb_error_msg("packet with bad magic, ignoring");
|
||||
return -2;
|
||||
}
|
||||
log1("Received a packet");
|
||||
log1("received %s", "a packet");
|
||||
udhcp_dump_packet(packet);
|
||||
|
||||
return bytes;
|
||||
|
||||
@ -56,7 +56,7 @@ int FAST_FUNC udhcp_read_interface(const char *interface, int *ifindex, uint32_t
|
||||
close(fd);
|
||||
return -1;
|
||||
}
|
||||
log1("Adapter index %d", ifr->ifr_ifindex);
|
||||
log1("adapter index %d", ifr->ifr_ifindex);
|
||||
*ifindex = ifr->ifr_ifindex;
|
||||
}
|
||||
|
||||
@ -82,7 +82,7 @@ int FAST_FUNC udhcp_listen_socket(/*uint32_t ip,*/ int port, const char *inf)
|
||||
struct sockaddr_in addr;
|
||||
char *colon;
|
||||
|
||||
log1("Opening listen socket on *:%d %s", port, inf);
|
||||
log1("opening listen socket on *:%d %s", port, inf);
|
||||
fd = xsocket(PF_INET, SOCK_DGRAM, IPPROTO_UDP);
|
||||
|
||||
setsockopt_reuseaddr(fd);
|
||||
|
||||
@ -66,7 +66,7 @@ void FAST_FUNC log_static_leases(struct static_lease **st_lease_pp)
|
||||
|
||||
cur = *st_lease_pp;
|
||||
while (cur) {
|
||||
bb_info_msg("static lease: mac:%02x:%02x:%02x:%02x:%02x:%02x nip:%x",
|
||||
bb_error_msg("static lease: mac:%02x:%02x:%02x:%02x:%02x:%02x nip:%x",
|
||||
cur->mac[0], cur->mac[1], cur->mac[2],
|
||||
cur->mac[3], cur->mac[4], cur->mac[5],
|
||||
cur->nip
|
||||
|
||||
Loading…
Reference in New Issue
Block a user