X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fpppd.h;h=6baaebcbec65baf77bda958b6d5a1244dbc155d4;hp=c997f81fdd3305e50624fcbe10c5a2992a1ad677;hb=52a17b6d41d64d0502a73e5b4224546360581b49;hpb=768532f702f8af685d29ed278f352e1c79141112 diff --git a/pppd/pppd.h b/pppd/pppd.h index c997f81..6baaebc 100644 --- a/pppd/pppd.h +++ b/pppd/pppd.h @@ -16,7 +16,7 @@ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. * - * $Id: pppd.h,v 1.37 1999/03/31 05:39:43 paulus Exp $ + * $Id: pppd.h,v 1.55 2000/06/30 04:54:22 paulus Exp $ */ /* @@ -33,13 +33,18 @@ #include /* for struct timeval */ #include -#if __STDC__ +#if defined(__STDC__) #include #define __V(x) x #else #include #define __V(x) (va_alist) va_dcl #define const +#define volatile +#endif + +#ifdef INET6 +#include "eui64.h" #endif /* @@ -96,6 +101,11 @@ typedef struct { #define OPT_A2COPY 0x200000 /* addr2 -> second location to rcv value */ #define OPT_ENABLE 0x400000 /* use *addr2 as enable for option */ #define OPT_PRIVFIX 0x800000 /* can't be overridden if noauth */ +#define OPT_PREPASS 0x1000000 /* do this opt in pre-pass to find device */ +#define OPT_INITONLY 0x2000000 /* option can only be set in init phase */ +#define OPT_DEVEQUIV 0x4000000 /* equiv to device name */ +#define OPT_DEVNAM (OPT_PREPASS | OPT_INITONLY | OPT_DEVEQUIV) +#define OPT_SEENIT 0x10000000 /* have seen this option already */ #define OPT_VAL(x) ((x) & OPT_VALUE) @@ -121,6 +131,36 @@ struct pppd_stats { unsigned int bytes_out; }; +/* Used for storing a sequence of words. Usually malloced. */ +struct wordlist { + struct wordlist *next; + char *word; +}; + +/* An endpoint discriminator, used with multilink. */ +#define MAX_ENDP_LEN 20 /* maximum length of discriminator value */ +struct epdisc { + unsigned char class; + unsigned char length; + unsigned char value[MAX_ENDP_LEN]; +}; + +/* values for epdisc.class */ +#define EPD_NULL 0 /* null discriminator, no data */ +#define EPD_LOCAL 1 +#define EPD_IP 2 +#define EPD_MAC 3 +#define EPD_MAGIC 4 +#define EPD_PHONENUM 5 + +typedef void (*notify_func) __P((void *, int)); + +struct notifier { + struct notifier *next; + notify_func func; + void *arg; +}; + /* * Global variables. */ @@ -128,7 +168,6 @@ struct pppd_stats { extern int hungup; /* Physical layer has disconnected */ extern int ifunit; /* Interface unit number */ extern char ifname[]; /* Interface name */ -extern int ttyfd; /* Serial device file descriptor */ extern char hostname[]; /* Our hostname */ extern u_char outpacket_buf[]; /* Buffer for outgoing packets */ extern int phase; /* Current state of link - see values below */ @@ -144,7 +183,26 @@ extern GIDSET_TYPE groups[NGROUPS_MAX]; /* groups the user is in */ extern int ngroups; /* How many groups valid in groups */ extern struct pppd_stats link_stats; /* byte/packet counts etc. for link */ extern int link_stats_valid; /* set if link_stats is valid */ +extern int link_connect_time; /* time the link was up for */ extern int using_pty; /* using pty as device (notty or pty opt.) */ +extern int log_to_fd; /* logging to this fd as well as syslog */ +extern bool log_to_file; /* log_to_fd is a file */ +extern bool log_to_specific_fd; /* log_to_fd was specified by user */ +extern char *no_ppp_msg; /* message to print if ppp not in kernel */ +extern volatile int status; /* exit status for pppd */ +extern int devnam_fixed; /* can no longer change devnam */ +extern int unsuccess; /* # unsuccessful connection attempts */ +extern int do_callback; /* set if we want to do callback next */ +extern int doing_callback; /* set if this is a callback */ +extern char ppp_devnam[MAXPATHLEN]; +extern struct notifier *pidchange; /* for notifications of pid changing */ +extern struct notifier *phasechange; /* for notifications of phase changes */ +extern struct notifier *exitnotify; /* for notification that we're exiting */ +extern struct notifier *sigreceived; /* notification of received signal */ + +/* Values for do_callback and doing_callback */ +#define CALLBACK_DIALIN 1 /* we are expecting the call back */ +#define CALLBACK_DIALOUT 2 /* we are dialling out to call back */ /* * Variables set by command-line options. @@ -161,13 +219,14 @@ extern u_int32_t netmask; /* IP netmask to set on interface */ extern bool lockflag; /* Create lock file to lock the serial dev */ extern bool nodetach; /* Don't detach from controlling tty */ extern bool updetach; /* Detach from controlling tty when link up */ -extern char *connector; /* Script to establish physical link */ -extern char *disconnector; /* Script to disestablish physical link */ +extern char *initializer; /* Script to initialize physical link */ +extern char *connect_script; /* Script to establish physical link */ +extern char *disconnect_script; /* Script to disestablish physical link */ extern char *welcomer; /* Script to welcome client after connection */ extern char *ptycommand; /* Command to run on other side of pty */ extern int maxconnect; /* Maximum connect time (seconds) */ extern char user[MAXNAMELEN];/* Our name for authenticating ourselves */ -extern char passwd[MAXSECRETLEN]; /* Password for PAP */ +extern char passwd[MAXSECRETLEN]; /* Password for PAP or CHAP */ extern bool auth_required; /* Peer is required to authenticate */ extern bool persist; /* Reopen link after it goes down */ extern bool uselogin; /* Use /etc/passwd for checking PAP */ @@ -179,36 +238,50 @@ extern char *ipparam; /* Extra parameter for ip up/down scripts */ extern bool cryptpap; /* Others' PAP passwords are encrypted */ extern int idle_time_limit;/* Shut down link if idle for this long */ extern int holdoff; /* Dead time before restarting */ +extern bool holdoff_specified; /* true if user gave a holdoff value */ extern bool notty; /* Stdin/out is not a tty */ +extern char *pty_socket; /* Socket to connect to pty */ extern char *record_file; /* File to record chars sent/received */ extern bool sync_serial; /* Device is synchronous serial device */ +extern int maxfail; /* Max # of unsuccessful connection attempts */ +extern char linkname[MAXPATHLEN]; /* logical name for link */ +extern bool tune_kernel; /* May alter kernel settings as necessary */ +extern int connect_delay; /* Time to delay after connect script */ +extern int max_data_rate; /* max bytes/sec through charshunt */ +extern int req_unit; /* interface unit number to use */ +extern bool multilink; /* enable multilink operation */ +extern bool noendpoint; /* don't send or accept endpt. discrim. */ +extern char *bundle_name; /* bundle name for multilink */ #ifdef PPP_FILTER extern struct bpf_program pass_filter; /* Filter for pkts to pass */ extern struct bpf_program active_filter; /* Filter for link-active pkts */ #endif -char *current_option; /* the name of the option being parsed */ -int privileged_option; /* set iff the current option came from root */ -char *option_source; /* string saying where the option came from */ - #ifdef MSLANMAN extern bool ms_lanman; /* Use LanMan password instead of NT */ /* Has meaning only with MS-CHAP challenges */ #endif +extern char *current_option; /* the name of the option being parsed */ +extern int privileged_option; /* set iff the current option came from root */ +extern char *option_source; /* string saying where the option came from */ + /* * Values for phase. */ #define PHASE_DEAD 0 #define PHASE_INITIALIZE 1 -#define PHASE_DORMANT 2 -#define PHASE_ESTABLISH 3 -#define PHASE_AUTHENTICATE 4 -#define PHASE_CALLBACK 5 -#define PHASE_NETWORK 6 -#define PHASE_TERMINATE 7 -#define PHASE_HOLDOFF 8 +#define PHASE_SERIALCONN 2 +#define PHASE_DORMANT 3 +#define PHASE_ESTABLISH 4 +#define PHASE_AUTHENTICATE 5 +#define PHASE_CALLBACK 6 +#define PHASE_NETWORK 7 +#define PHASE_RUNNING 8 +#define PHASE_TERMINATE 9 +#define PHASE_DISCONNECT 10 +#define PHASE_HOLDOFF 11 /* * The following struct gives the addresses of procedures to call @@ -256,6 +329,7 @@ extern struct protent *protocols[]; */ /* Procedures exported from main.c. */ +void set_ifunit __P((int)); /* set stuff that depends on ifunit */ void detach __P((void)); /* Detach from controlling tty */ void die __P((int)); /* Cleanup and exit */ void quit __P((void)); /* like die(1) */ @@ -264,19 +338,35 @@ void timeout __P((void (*func)(void *), void *arg, int t)); /* Call func(arg) after t seconds */ void untimeout __P((void (*func)(void *), void *arg)); /* Cancel call to func(arg) */ +void record_child __P((int, char *, void (*) (void *), void *)); +int device_script __P((char *cmd, int in, int out, int dont_wait)); + /* Run `cmd' with given stdin and stdout */ pid_t run_program __P((char *prog, char **args, int must_exist, void (*done)(void *), void *arg)); /* Run program prog with args in child */ -void demuxprotrej __P((int, int)); - /* Demultiplex a Protocol-Reject */ +void reopen_log __P((void)); /* (re)open the connection to syslog */ +void update_link_stats __P((int)); /* Get stats at link termination */ +void script_setenv __P((char *, char *, int)); /* set script env var */ +void script_unsetenv __P((char *)); /* unset script env var */ +void new_phase __P((int)); /* signal start of new phase */ +void add_notifier __P((struct notifier **, notify_func, void *)); +void remove_notifier __P((struct notifier **, notify_func, void *)); +void notify __P((struct notifier *, int)); + +/* Procedures exported from tty.c. */ +void tty_init __P((void)); +int connect_tty __P((void)); +void disconnect_tty __P((void)); +void tty_close_fds __P((void)); +void cleanup_tty __P((void)); + +/* Procedures exported from utils.c. */ void log_packet __P((u_char *, int, char *, int)); /* Format a packet and log it with syslog */ void print_string __P((char *, int, void (*) (void *, char *, ...), void *)); /* Format a string for output */ int slprintf __P((char *, int, char *, ...)); /* sprintf++ */ int vslprintf __P((char *, int, char *, va_list)); /* vsprintf++ */ -void script_setenv __P((char *, char *)); /* set script env var */ -void script_unsetenv __P((char *)); /* unset script env var */ size_t strlcpy __P((char *, const char *, size_t)); /* safe strcpy */ size_t strlcat __P((char *, const char *, size_t)); /* safe strncpy */ void dbglog __P((char *, ...)); /* log a debug message */ @@ -285,13 +375,13 @@ void notice __P((char *, ...)); /* log a notice-level message */ void warn __P((char *, ...)); /* log a warning message */ void error __P((char *, ...)); /* log an error message */ void fatal __P((char *, ...)); /* log an error message and die(1) */ -void reopen_log __P((void)); /* (re)open the connection to syslog */ /* Procedures exported from auth.c */ void link_required __P((int)); /* we are starting to use the link */ void link_terminated __P((int)); /* we are finished with the link */ void link_down __P((int)); /* the LCP layer has left the Opened state */ void link_established __P((int)); /* the link is up; authenticate now */ +void start_networks __P((void)); /* start all the network control protos */ void np_up __P((int, int)); /* a network protocol has come up */ void np_down __P((int, int)); /* a network protocol has gone down */ void np_finished __P((int, int)); /* a network protocol no longer needs link */ @@ -306,7 +396,7 @@ void auth_withpeer_success __P((int, int)); void auth_check_options __P((void)); /* check authentication options supplied */ void auth_reset __P((int)); /* check what secrets we have */ -int check_passwd __P((int, char *, int, char *, int, char **, int *)); +int check_passwd __P((int, char *, int, char *, int, char **)); /* Check peer-supplied username/password */ int get_secret __P((int, char *, char *, char *, int *, int)); /* get "secret" for chap */ @@ -324,6 +414,12 @@ void demand_rexmit __P((int)); /* retransmit saved frames for an NP */ int loop_chars __P((unsigned char *, int)); /* process chars from loopback */ int loop_frame __P((unsigned char *, int)); /* should we bring link up? */ +/* Procedures exported from multilink.c */ +void mp_check_options __P((void)); /* Check multilink-related options */ +int mp_join_bundle __P((void)); /* join our link to an appropriate bundle */ +char *epdisc_to_str __P((struct epdisc *)); /* string from endpoint discrim. */ +int str_to_epdisc __P((struct epdisc *, char *)); /* endpt disc. from str */ + /* Procedures exported from sys-*.c */ void sys_init __P((void)); /* Do system-dependent initialization */ void sys_cleanup __P((void)); /* Restore system state before exiting */ @@ -335,6 +431,9 @@ int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */ int establish_ppp __P((int)); /* Turn serial port into a ppp interface */ void restore_loop __P((void)); /* Transfer ppp unit back to loopback */ void disestablish_ppp __P((int)); /* Restore port to normal operation */ +void make_new_bundle __P((int, int, int, int)); /* Create new bundle */ +int bundle_attach __P((int)); /* Attach link to existing bundle */ +void cfg_bundle __P((int, int, int, int)); /* Configure existing bundle */ void clean_check __P((void)); /* Check if line was 8-bit clean */ void set_up_tty __P((int, int)); /* Set up port's speed, parameters, etc. */ void restore_tty __P((int)); /* Restore port's original parameters */ @@ -363,14 +462,20 @@ int get_ppp_stats __P((int, struct pppd_stats *)); /* Return link statistics */ int sifvjcomp __P((int, int, int, int)); /* Configure VJ TCP header compression */ -int sifup __P((int)); /* Configure i/f up (for IP) */ +int sifup __P((int)); /* Configure i/f up for one protocol */ int sifnpmode __P((int u, int proto, enum NPmode mode)); /* Set mode for handling packets for proto */ -int sifdown __P((int)); /* Configure i/f down (for IP) */ +int sifdown __P((int)); /* Configure i/f down for one protocol */ int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t)); - /* Configure IP addresses for i/f */ + /* Configure IPv4 addresses for i/f */ int cifaddr __P((int, u_int32_t, u_int32_t)); /* Reset i/f IP addresses */ +#ifdef INET6 +int sif6addr __P((int, eui64_t, eui64_t)); + /* Configure IPv6 addresses for i/f */ +int cif6addr __P((int, eui64_t, eui64_t)); + /* Remove an IPv6 address from i/f */ +#endif int sifdefaultroute __P((int, u_int32_t, u_int32_t)); /* Create default route through i/f */ int cifdefaultroute __P((int, u_int32_t, u_int32_t)); @@ -381,8 +486,8 @@ int cifproxyarp __P((int, u_int32_t)); /* Delete proxy ARP entry for peer */ u_int32_t GetMask __P((u_int32_t)); /* Get appropriate netmask for address */ int lock __P((char *)); /* Create lock file for device */ +int relock __P((int)); /* Rewrite lock file with new pid */ void unlock __P((void)); /* Delete previously-created lock file */ -int daemon __P((int, int)); /* Detach us from terminal session */ void logwtmp __P((const char *, const char *, const char *)); /* Write entry to wtmp file */ int get_host_seed __P((void)); /* Get host-dependent random number seed */ @@ -395,6 +500,8 @@ int set_filters __P((struct bpf_program *pass, struct bpf_program *active)); int sipxfaddr __P((int, unsigned long, unsigned char *)); int cipxfaddr __P((int)); #endif +int get_if_hwaddr __P((u_char *addr, char *name)); +char *get_first_ethernet __P((void)); /* Procedures exported from options.c */ int parse_args __P((int argc, char **argv)); @@ -404,14 +511,16 @@ int options_from_file __P((char *filename, int must_exist, int check_prot, /* Parse options from an options file */ int options_from_user __P((void)); /* Parse options from user's .ppprc */ int options_for_tty __P((void)); /* Parse options from /etc/ppp/options.tty */ -void scan_args __P((int argc, char **argv)); - /* Look for tty name in command-line args */ +int options_from_list __P((struct wordlist *, int privileged)); + /* Parse options from a wordlist */ int getword __P((FILE *f, char *word, int *newlinep, char *filename)); /* Read a word from a file */ void option_error __P((char *fmt, ...)); /* Print an error message about an option */ int int_option __P((char *, int *)); /* Simplified number_option for decimal ints */ +void add_options __P((option_t *)); /* Add extra options */ +int parse_dotted_ip __P((char *, u_int32_t *)); /* * This structure is used to store information about certain @@ -425,11 +534,28 @@ struct option_info { }; extern struct option_info devnam_info; -extern struct option_info connector_info; -extern struct option_info disconnector_info; +extern struct option_info initializer_info; +extern struct option_info connect_script_info; +extern struct option_info disconnect_script_info; extern struct option_info welcomer_info; extern struct option_info ptycommand_info; +/* + * Hooks to enable plugins to change various things. + */ +extern int (*new_phase_hook) __P((int)); +extern int (*idle_time_hook) __P((struct ppp_idle *)); +extern int (*holdoff_hook) __P((void)); +extern int (*pap_check_hook) __P((void)); +extern int (*pap_auth_hook) __P((char *user, char *passwd, char **msgp, + struct wordlist **paddrs, + struct wordlist **popts)); +extern void (*pap_logout_hook) __P((void)); +extern int (*pap_passwd_hook) __P((char *user, char *passwd)); +extern void (*ip_up_hook) __P((void)); +extern void (*ip_down_hook) __P((void)); +extern void (*ip_choose_hook) __P((u_int32_t *)); + /* * Inline versions of get/put char/short/long. * Pointer is advanced; we assume that both arguments @@ -489,12 +615,40 @@ extern struct option_info ptycommand_info; PUTCHAR(PPP_UI, p); \ PUTSHORT(t, p); } +/* + * Exit status values. + */ +#define EXIT_OK 0 +#define EXIT_FATAL_ERROR 1 +#define EXIT_OPTION_ERROR 2 +#define EXIT_NOT_ROOT 3 +#define EXIT_NO_KERNEL_SUPPORT 4 +#define EXIT_USER_REQUEST 5 +#define EXIT_LOCK_FAILED 6 +#define EXIT_OPEN_FAILED 7 +#define EXIT_CONNECT_FAILED 8 +#define EXIT_PTYCMD_FAILED 9 +#define EXIT_NEGOTIATION_FAILED 10 +#define EXIT_PEER_AUTH_FAILED 11 +#define EXIT_IDLE_TIMEOUT 12 +#define EXIT_CONNECT_TIME 13 +#define EXIT_CALLBACK 14 +#define EXIT_PEER_DEAD 15 +#define EXIT_HANGUP 16 +#define EXIT_LOOPBACK 17 +#define EXIT_INIT_FAILED 18 +#define EXIT_AUTH_TOPEER_FAILED 19 +/* + * Debug macros. Slightly useful for finding bugs in pppd, not particularly + * useful for finding out why your connection isn't being established. + */ #ifdef DEBUGALL #define DEBUGMAIN 1 #define DEBUGFSM 1 #define DEBUGLCP 1 #define DEBUGIPCP 1 +#define DEBUGIPV6CP 1 #define DEBUGUPAP 1 #define DEBUGCHAP 1 #endif @@ -502,7 +656,7 @@ extern struct option_info ptycommand_info; #ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */ #if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \ || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \ - || defined(DEBUGCHAP) || defined(DEBUG) + || defined(DEBUGCHAP) || defined(DEBUG) || defined(DEBUGIPV6CP) #define LOG_PPP LOG_LOCAL2 #else #define LOG_PPP LOG_DAEMON @@ -539,6 +693,12 @@ extern struct option_info ptycommand_info; #define IPCPDEBUG(x) #endif +#ifdef DEBUGIPV6CP +#define IPV6CPDEBUG(x) if (debug) dbglog x +#else +#define IPV6CPDEBUG(x) +#endif + #ifdef DEBUGUPAP #define UPAPDEBUG(x) if (debug) dbglog x #else