diff options
| -rw-r--r-- | TODO_config_nommu | 87 | ||||
| -rw-r--r-- | init/init.c | 50 | ||||
| -rw-r--r-- | networking/httpd.c | 2 |
3 files changed, 104 insertions, 35 deletions
diff --git a/TODO_config_nommu b/TODO_config_nommu index 81db6db2f..d3deda278 100644 --- a/TODO_config_nommu +++ b/TODO_config_nommu @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Busybox version: 1.10.0.svn -# Tue Jan 8 20:29:22 2008 +# Tue Feb 19 15:07:07 2008 # CONFIG_HAVE_DOT_CONFIG=y @@ -49,7 +49,7 @@ CONFIG_LFS=y # Debugging Options # # CONFIG_DEBUG is not set -CONFIG_WERROR=y +# CONFIG_WERROR is not set CONFIG_NO_DEBUG_LIB=y # CONFIG_DMALLOC is not set # CONFIG_EFENCE is not set @@ -77,13 +77,13 @@ CONFIG_MD5_SIZE_VS_SPEED=2 # CONFIG_FEATURE_ETC_NETWORKS is not set CONFIG_FEATURE_EDITING=y CONFIG_FEATURE_EDITING_MAX_LEN=1024 -# CONFIG_FEATURE_EDITING_FANCY_KEYS is not set # CONFIG_FEATURE_EDITING_VI is not set CONFIG_FEATURE_EDITING_HISTORY=15 # CONFIG_FEATURE_EDITING_SAVEHISTORY is not set CONFIG_FEATURE_TAB_COMPLETION=y CONFIG_FEATURE_USERNAME_COMPLETION=y CONFIG_FEATURE_EDITING_FANCY_PROMPT=y +CONFIG_FEATURE_VERBOSE_CP_MESSAGE=y CONFIG_FEATURE_COPYBUF_KB=4 CONFIG_MONOTONIC_SYSCALL=y CONFIG_IOCTL_HEX2STR_ERROR=y @@ -111,15 +111,17 @@ CONFIG_RPM=y CONFIG_FEATURE_RPM_BZ2=y CONFIG_TAR=y CONFIG_FEATURE_TAR_CREATE=y +CONFIG_FEATURE_TAR_GZIP=y CONFIG_FEATURE_TAR_BZIP2=y CONFIG_FEATURE_TAR_LZMA=y -CONFIG_FEATURE_TAR_FROM=y -CONFIG_FEATURE_TAR_GZIP=y CONFIG_FEATURE_TAR_COMPRESS=y +CONFIG_FEATURE_TAR_AUTODETECT=y +CONFIG_FEATURE_TAR_FROM=y CONFIG_FEATURE_TAR_OLDGNU_COMPATIBILITY=y CONFIG_FEATURE_TAR_OLDSUN_COMPATIBILITY=y CONFIG_FEATURE_TAR_GNU_EXTENSIONS=y CONFIG_FEATURE_TAR_LONG_OPTIONS=y +CONFIG_FEATURE_TAR_UNAME_GNAME=y CONFIG_UNCOMPRESS=y CONFIG_UNLZMA=y CONFIG_FEATURE_LZMA_FAST=y @@ -367,16 +369,16 @@ CONFIG_FEATURE_XARGS_SUPPORT_ZERO_TERM=y # # Init Utilities # -# CONFIG_INIT is not set +CONFIG_INIT=y # CONFIG_DEBUG_INIT is not set -# CONFIG_FEATURE_USE_INITTAB is not set -# CONFIG_FEATURE_KILL_REMOVED is not set -CONFIG_FEATURE_KILL_DELAY=0 -# CONFIG_FEATURE_INIT_SCTTY is not set -# CONFIG_FEATURE_INIT_SYSLOG is not set -# CONFIG_FEATURE_EXTRA_QUIET is not set -# CONFIG_FEATURE_INIT_COREDUMPS is not set -# CONFIG_FEATURE_INITRD is not set +CONFIG_FEATURE_USE_INITTAB=y +CONFIG_FEATURE_KILL_REMOVED=y +CONFIG_FEATURE_KILL_DELAY=1 +CONFIG_FEATURE_INIT_SCTTY=y +CONFIG_FEATURE_INIT_SYSLOG=y +CONFIG_FEATURE_EXTRA_QUIET=y +CONFIG_FEATURE_INIT_COREDUMPS=y +CONFIG_FEATURE_INITRD=y CONFIG_HALT=y CONFIG_MESG=y @@ -391,6 +393,7 @@ CONFIG_FEATURE_ADDUSER_TO_GROUP=y CONFIG_DELGROUP=y CONFIG_FEATURE_DEL_USER_FROM_GROUP=y CONFIG_ADDUSER=y +CONFIG_FEATURE_ADDUSER_LONG_OPTIONS=y CONFIG_DELUSER=y CONFIG_GETTY=y CONFIG_FEATURE_UTMP=y @@ -459,6 +462,7 @@ CONFIG_FEATURE_SGI_LABEL=y CONFIG_FEATURE_SUN_LABEL=y CONFIG_FEATURE_OSF_LABEL=y CONFIG_FEATURE_FDISK_ADVANCED=y +CONFIG_FINDFS=y CONFIG_FREERAMDISK=y CONFIG_FSCK_MINIX=y CONFIG_MKFS_MINIX=y @@ -479,14 +483,48 @@ CONFIG_IPCS=y CONFIG_LOSETUP=y CONFIG_MDEV=y CONFIG_FEATURE_MDEV_CONF=y +CONFIG_FEATURE_MDEV_RENAME=y CONFIG_FEATURE_MDEV_EXEC=y CONFIG_FEATURE_MDEV_LOAD_FIRMWARE=y CONFIG_MKSWAP=y CONFIG_FEATURE_MKSWAP_V0=y CONFIG_MORE=y CONFIG_FEATURE_USE_TERMIOS=y +CONFIG_VOLUMEID=y +CONFIG_FEATURE_VOLUMEID_EXT=y +CONFIG_FEATURE_VOLUMEID_REISERFS=y +CONFIG_FEATURE_VOLUMEID_FAT=y +CONFIG_FEATURE_VOLUMEID_HFS=y +CONFIG_FEATURE_VOLUMEID_JFS=y +CONFIG_FEATURE_VOLUMEID_UFS=y +CONFIG_FEATURE_VOLUMEID_XFS=y +CONFIG_FEATURE_VOLUMEID_NTFS=y +CONFIG_FEATURE_VOLUMEID_ISO9660=y +CONFIG_FEATURE_VOLUMEID_UDF=y +CONFIG_FEATURE_VOLUMEID_LUKS=y +CONFIG_FEATURE_VOLUMEID_LINUXSWAP=y +CONFIG_FEATURE_VOLUMEID_LVM=y +CONFIG_FEATURE_VOLUMEID_CRAMFS=y +CONFIG_FEATURE_VOLUMEID_HPFS=y +CONFIG_FEATURE_VOLUMEID_ROMFS=y +CONFIG_FEATURE_VOLUMEID_SYSV=y +CONFIG_FEATURE_VOLUMEID_MINIX=y +CONFIG_FEATURE_VOLUMEID_MAC=y +CONFIG_FEATURE_VOLUMEID_MSDOS=y +CONFIG_FEATURE_VOLUMEID_OCFS2=y +CONFIG_FEATURE_VOLUMEID_HIGHPOINTRAID=y +CONFIG_FEATURE_VOLUMEID_ISWRAID=y +CONFIG_FEATURE_VOLUMEID_LSIRAID=y +CONFIG_FEATURE_VOLUMEID_VIARAID=y +CONFIG_FEATURE_VOLUMEID_SILICONRAID=y +CONFIG_FEATURE_VOLUMEID_NVIDIARAID=y +CONFIG_FEATURE_VOLUMEID_PROMISERAID=y +CONFIG_FEATURE_VOLUMEID_LINUXRAID=y CONFIG_MOUNT=y +CONFIG_FEATURE_MOUNT_FAKE=y +CONFIG_FEATURE_MOUNT_VERBOSE=y CONFIG_FEATURE_MOUNT_HELPERS=y +CONFIG_FEATURE_MOUNT_LABEL=y CONFIG_FEATURE_MOUNT_NFS=y CONFIG_FEATURE_MOUNT_CIFS=y CONFIG_FEATURE_MOUNT_FLAGS=y @@ -494,6 +532,7 @@ CONFIG_FEATURE_MOUNT_FSTAB=y CONFIG_PIVOT_ROOT=y CONFIG_RDATE=y CONFIG_READPROFILE=y +CONFIG_RTCWAKE=y CONFIG_SETARCH=y CONFIG_SWAPONOFF=y CONFIG_SWITCH_ROOT=y @@ -511,6 +550,14 @@ CONFIG_FEATURE_MOUNT_LOOP=y # CONFIG_ADJTIMEX=y # CONFIG_BBCONFIG is not set +CONFIG_CHAT=y +CONFIG_FEATURE_CHAT_NOFAIL=y +CONFIG_FEATURE_CHAT_TTY_HIFI=y +CONFIG_FEATURE_CHAT_IMPLICIT_CR=y +CONFIG_FEATURE_CHAT_SWALLOW_OPTS=y +CONFIG_FEATURE_CHAT_SEND_ESCAPES=y +CONFIG_FEATURE_CHAT_VAR_ABORT_LEN=y +CONFIG_FEATURE_CHAT_CLR_ABORT=y CONFIG_CHRT=y # CONFIG_CROND is not set # CONFIG_DEBUG_CROND_OPTION is not set @@ -523,6 +570,7 @@ CONFIG_DC=y # CONFIG_DEVFSD_VERBOSE is not set # CONFIG_FEATURE_DEVFS is not set CONFIG_EJECT=y +CONFIG_FEATURE_EJECT_SCSI=y CONFIG_LAST=y CONFIG_LESS=y CONFIG_FEATURE_LESS_MAXLINES=9999999 @@ -564,6 +612,8 @@ CONFIG_FEATURE_PREFER_IPV4_ADDRESS=y CONFIG_VERBOSE_RESOLUTION_ERRORS=y CONFIG_ARP=y CONFIG_ARPING=y +CONFIG_BRCTL=y +CONFIG_FEATURE_BRCTL_FANCY=y CONFIG_DNSD=y CONFIG_ETHER_WAKE=y CONFIG_FAKEIDENTD=y @@ -633,9 +683,15 @@ CONFIG_FEATURE_NETSTAT_WIDE=y CONFIG_NSLOOKUP=y CONFIG_PING=y CONFIG_PING6=y -CONFIG_PSCAN=y CONFIG_FEATURE_FANCY_PING=y +CONFIG_PSCAN=y CONFIG_ROUTE=y +CONFIG_SENDMAIL=y +CONFIG_FEATURE_SENDMAIL_EHLO=y +CONFIG_FEATURE_SENDMAIL_BLOATY=y +CONFIG_FETCHMAIL=y +CONFIG_FEATURE_FETCHMAIL_APOP=y +CONFIG_FEATURE_FETCHMAIL_FILTER=y CONFIG_SLATTACH=y CONFIG_TELNET=y CONFIG_FEATURE_TELNET_TTYPE=y @@ -657,6 +713,7 @@ CONFIG_APP_DUMPLEASES=y CONFIG_FEATURE_UDHCPD_WRITE_LEASES_EARLY=y CONFIG_APP_UDHCPC=y CONFIG_FEATURE_UDHCPC_ARPING=y +CONFIG_FEATURE_UDHCP_PORT=y CONFIG_FEATURE_UDHCP_DEBUG=y CONFIG_FEATURE_RFC3397=y CONFIG_UDHCPC_SLACK_FOR_BUGGY_SERVERS=80 diff --git a/init/init.c b/init/init.c index a82b45b7c..13410ac39 100644 --- a/init/init.c +++ b/init/init.c @@ -117,11 +117,13 @@ static void loop_forever(void) } /* Print a message to the specified device. - * Device may be bitwise-or'd from L_LOG | L_CONSOLE */ + * "where" may be bitwise-or'd from L_LOG | L_CONSOLE + * NB: careful, we can be called after vfork! + */ #define messageD(...) do { if (ENABLE_DEBUG_INIT) message(__VA_ARGS__); } while (0) -static void message(int device, const char *fmt, ...) +static void message(int where, const char *fmt, ...) __attribute__ ((format(printf, 2, 3))); -static void message(int device, const char *fmt, ...) +static void message(int where, const char *fmt, ...) { static int log_fd = -1; va_list arguments; @@ -137,7 +139,7 @@ static void message(int device, const char *fmt, ...) if (ENABLE_FEATURE_INIT_SYSLOG) { /* Log the message to syslogd */ - if (device & L_LOG) { + if (where & L_LOG) { /* don't out "\r" */ openlog(applet_name, 0, LOG_DAEMON); syslog(LOG_INFO, "init: %s", msg + 1); @@ -157,20 +159,20 @@ static void message(int device, const char *fmt, ...) log_fd = device_open(log_console, O_WRONLY | O_NONBLOCK | O_NOCTTY); if (log_fd < 0) { bb_error_msg("can't log to %s", log_console); - device = L_CONSOLE; + where = L_CONSOLE; } else { close_on_exec_on(log_fd); } } } - if (device & L_LOG) { + if (where & L_LOG) { full_write(log_fd, msg, l); if (log_fd == 2) return; /* don't print dup messages */ } } - if (device & L_CONSOLE) { + if (where & L_CONSOLE) { /* Send console messages to console so people will see them. */ full_write(2, msg, l); } @@ -233,7 +235,8 @@ static void console_init(void) putenv((char*)"TERM=linux"); } -/* Set terminal settings to reasonable defaults */ +/* Set terminal settings to reasonable defaults. + * NB: careful, we can be called after vfork! */ static void set_sane_term(void) { struct termios tty; @@ -270,7 +273,8 @@ static void set_sane_term(void) tcsetattr(STDIN_FILENO, TCSANOW, &tty); } -/* Open the new terminal device */ +/* Open the new terminal device. + * NB: careful, we can be called after vfork! */ static void open_stdio_to_tty(const char* tty_name, int exit_on_failure) { /* empty tty_name means "use init's tty", else... */ @@ -286,6 +290,8 @@ static void open_stdio_to_tty(const char* tty_name, int exit_on_failure) _exit(1); if (ENABLE_DEBUG_INIT) _exit(2); + /* NB: we don't reach this if we were called after vfork. + * Thus halt_reboot_pwoff() itself need not be vfork-safe. */ halt_reboot_pwoff(SIGUSR1); /* halt the system */ } dup2(0, 1); @@ -294,22 +300,24 @@ static void open_stdio_to_tty(const char* tty_name, int exit_on_failure) set_sane_term(); } -/* wrapper around exec: - * takes string (max COMMAND_SIZE chars) - * runs [-]/bin/sh -c "exec ......." if '>' etc detected. - * otherwise splits words on whitespace and deals with leading dash. +/* Wrapper around exec: + * Takes string (max COMMAND_SIZE chars). + * If chars like '>' detected, execs '[-]/bin/sh -c "exec ......."'. + * Otherwise splits words on whitespace, deals with leading dash, + * and uses plain exec(). + * NB: careful, we can be called after vfork! */ static void init_exec(const char *command) { char *cmd[COMMAND_SIZE / 2]; char buf[COMMAND_SIZE + 6]; /* COMMAND_SIZE+strlen("exec ")+1 */ - int dash = (command[0] == '-'); + int dash = (command[0] == '-' /* maybe? && command[1] == '/' */); /* See if any special /bin/sh requiring characters are present */ if (strpbrk(command, "~`!$^&*()=|\\{}[];\"'<>?") != NULL) { strcpy(buf, "exec "); strcpy(buf + 5, command + dash); /* excluding "-" */ - /* LIBBB_DEFAULT_LOGIN_SHELL has leading dash */ + /* NB: LIBBB_DEFAULT_LOGIN_SHELL define has leading dash */ cmd[0] = (char*)(LIBBB_DEFAULT_LOGIN_SHELL + !dash); cmd[1] = (char*)"-c"; cmd[2] = buf; @@ -351,7 +359,7 @@ static pid_t run(const struct init_action *a) sigemptyset(&nmask); sigaddset(&nmask, SIGCHLD); sigprocmask(SIG_BLOCK, &nmask, &omask); - pid = fork(); + pid = vfork(); sigprocmask(SIG_SETMASK, &omask, NULL); if (pid < 0) @@ -379,8 +387,9 @@ static pid_t run(const struct init_action *a) setsid(); /* Open the new terminal device */ - open_stdio_to_tty(a->terminal, 1 /* - exit if open fails*/); + open_stdio_to_tty(a->terminal, 1 /* - exit if open fails */); +// NB: do not enable unless you change vfork to fork above #ifdef BUT_RUN_ACTIONS_ALREADY_DOES_WAITING /* If the init Action requires us to wait, then force the * supplied terminal to be the controlling tty. */ @@ -424,7 +433,9 @@ static pid_t run(const struct init_action *a) /* Child - fall though to actually execute things */ } #endif - if (a->action_type & ASKFIRST) { + + /* NB: on NOMMU we can't wait for input in child */ + if (BB_MMU && (a->action_type & ASKFIRST)) { static const char press_enter[] ALIGN1 = #ifdef CUSTOMIZED_BANNER #include CUSTOMIZED_BANNER @@ -809,7 +820,8 @@ static void reload_signal(int sig ATTRIBUTE_UNUSED) } } #if CONFIG_FEATURE_KILL_DELAY - if (fork() == 0) { /* child */ + /* NB: parent will wait in NOMMU case */ + if ((BB_MMU ? fork() : vfork()) == 0) { /* child */ sleep(CONFIG_FEATURE_KILL_DELAY); for (a = init_action_list; a; a = a->next) { pid_t pid = a->pid; diff --git a/networking/httpd.c b/networking/httpd.c index 2c580b032..bcd1126a6 100644 --- a/networking/httpd.c +++ b/networking/httpd.c @@ -2192,7 +2192,7 @@ static void mini_httpd_nommu(int server_socket, int argc, char **argv) /* Wait for connections... */ fromAddr.len = LSA_SIZEOF_SA; - n = accept(server_socket, &fromAddr.sa, &fromAddr.len); + n = accept(server_socket, &fromAddr.u.sa, &fromAddr.len); if (n < 0) continue; |