X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=networking%2Fudhcp%2Fcommon.c;h=a47bbafff806040989719c0c291da5e9a519c7a2;hb=dc4178050a9e150d26fe7041191a5d124fcdf03c;hp=2c902fc01857c3e5a956720a36ce4bd6f2252b2f;hpb=3f78561d63290c53ca8bb3cd6314ca7357a617ee;p=oweals%2Fbusybox.git diff --git a/networking/udhcp/common.c b/networking/udhcp/common.c index 2c902fc01..a47bbafff 100644 --- a/networking/udhcp/common.c +++ b/networking/udhcp/common.c @@ -1,136 +1,11 @@ /* vi: set sw=4 ts=4: */ /* common.c - * - * Functions for debugging and logging as well as some other - * simple helper functions. - * - * Russ Dill 2001-2003 - * Rewritten by Vladimir Oleynik (C) 2003 * * Licensed under GPLv2 or later, see file LICENSE in this tarball for details. */ -#include -#include -#include -#include -#include -#include -#include -#include -#include - #include "common.h" -#include "pidfile.h" - - -static int daemonized; - -long uptime(void) -{ - struct sysinfo info; - sysinfo(&info); - return info.uptime; -} - - -/* - * This function makes sure our first socket calls - * aren't going to fd 1 (printf badness...) and are - * not later closed by daemon() - */ -static inline void sanitize_fds(void) -{ - int zero; - if ((zero = open(bb_dev_null, O_RDWR, 0)) < 0) - return; - while (zero < 3) - zero = dup(zero); - close(zero); -} - - -void udhcp_background(const char *pidfile) -{ -#ifdef __uClinux__ - LOG(LOG_ERR, "Cannot background in uclinux (yet)"); -#else /* __uClinux__ */ - int pid_fd; - - /* hold lock during fork. */ - pid_fd = pidfile_acquire(pidfile); - if (daemon(0, 0) == -1) { /* bb_xdaemon? */ - perror("fork"); - exit(1); - } - daemonized++; - pidfile_write_release(pid_fd); -#endif /* __uClinux__ */ -} - - -#ifdef CONFIG_FEATURE_UDHCP_SYSLOG -void udhcp_logging(int level, const char *fmt, ...) -{ - va_list p; - va_list p2; - - va_start(p, fmt); - __va_copy(p2, p); - if (!daemonized) { - vprintf(fmt, p); - putchar('\n'); - } - vsyslog(level, fmt, p2); - va_end(p); -} - -#else - - -static char *syslog_level_msg[] = { - [LOG_EMERG] = "EMERGENCY!", - [LOG_ALERT] = "ALERT!", - [LOG_CRIT] = "critical!", - [LOG_WARNING] = "warning", - [LOG_ERR] = "error", - [LOG_INFO] = "info", - [LOG_DEBUG] = "debug" +const uint8_t MAC_BCAST_ADDR[6] ALIGN2 = { + 0xff, 0xff, 0xff, 0xff, 0xff, 0xff }; - - -void udhcp_logging(int level, const char *fmt, ...) -{ - va_list p; - - va_start(p, fmt); - if (!daemonized) { - printf("%s, ", syslog_level_msg[level]); - vprintf(fmt, p); - putchar('\n'); - } - va_end(p); -} -#endif - - -void udhcp_start_log_and_pid(const char *client_server, const char *pidfile) -{ - int pid_fd; - - /* Make sure our syslog fd isn't overwritten */ - sanitize_fds(); - - /* do some other misc startup stuff while we are here to save bytes */ - pid_fd = pidfile_acquire(pidfile); - pidfile_write_release(pid_fd); - - /* equivelent of doing a fflush after every \n */ - setlinebuf(stdout); - - if (ENABLE_FEATURE_UDHCP_SYSLOG) - openlog(client_server, LOG_PID | LOG_CONS, LOG_LOCAL0); - - udhcp_logging(LOG_INFO, "%s (v%s) started", client_server, BB_VER); -}