X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fpppd.h;h=c652a5e4c4e9e8ea07a794e08b971ba0ffb28c35;hp=a13545b03794cc6d7f745a1c7106b26a9f088bd9;hb=faa01ae951ca6a5809283693548a6176fbde13a3;hpb=414162e68f1129323a79d68fc79b0ae5ec2bc332 diff --git a/pppd/pppd.h b/pppd/pppd.h index a13545b..c652a5e 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 1.7 1995/04/24 05:52:37 paulus Exp $ + * $Id: pppd.h,v 1.11 1996/01/01 23:02:23 paulus Exp $ */ /* @@ -26,8 +26,10 @@ #ifndef __PPPD_H__ #define __PPPD_H__ +#include /* for FILE */ #include /* for MAXPATHLEN and BSD4_4, if defined */ #include /* for u_int32_t, if defined */ +#include /* for struct timeval */ #include #define NUM_PPP 1 /* One PPP interface supported (per process) */ @@ -48,7 +50,7 @@ extern int hungup; /* Physical layer has disconnected */ extern int ifunit; /* Interface unit number */ extern char ifname[]; /* Interface name */ -extern int fd; /* Serial device file descriptor */ +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 */ @@ -71,6 +73,8 @@ extern int lockflag; /* Create lock file to lock the serial dev */ extern int nodetach; /* Don't detach from controlling tty */ extern char *connector; /* Script to establish physical link */ extern char *disconnector; /* Script to disestablish physical link */ +extern char *welcomer; /* Script to welcome client after connection */ +extern int maxconnect; /* maximum number of seconds for a connection */ extern char user[]; /* Username for PAP */ extern char passwd[]; /* Password for PAP */ extern int auth_required; /* Peer is required to authenticate */ @@ -83,35 +87,161 @@ extern char our_name[]; /* Our name for authentication purposes */ extern char remote_name[]; /* Peer's name for authentication */ extern int usehostname; /* Use hostname for our_name */ extern int disable_defaultip; /* Don't use hostname for default IP adrs */ +extern int demand; /* Do dial-on-demand */ extern char *ipparam; /* Extra parameter for ip up/down scripts */ +extern int 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 */ /* * Values for phase. */ #define PHASE_DEAD 0 -#define PHASE_ESTABLISH 1 -#define PHASE_AUTHENTICATE 2 -#define PHASE_NETWORK 3 -#define PHASE_TERMINATE 4 +#define PHASE_DORMANT 1 +#define PHASE_ESTABLISH 2 +#define PHASE_AUTHENTICATE 3 +#define PHASE_NETWORK 4 +#define PHASE_TERMINATE 5 +#define PHASE_HOLDOFF 6 + +/* + * The following struct gives the addresses of procedures to call + * for a particular protocol. + */ +struct protent { + u_short protocol; /* PPP protocol number */ + void (*init)(); /* Initialization procedure */ + void (*input)(); /* Process a received packet */ + void (*protrej)(); /* Process a received protocol-reject */ + void (*lowerup)(); /* Lower layer has come up */ + void (*lowerdown)(); /* Lower layer has gone down */ + void (*open)(); /* Open the protocol */ + void (*close)(); /* Close the protocol */ + int (*printpkt)(); /* Print a packet in readable form */ + void (*datainput)(); /* Process a received data packet */ + int enabled_flag; /* 0 iff protocol is disabled */ + char *name; /* Text name of protocol */ + void (*check_options)(); /* Check requested options, assign dflts */ + int (*demand_conf)(); /* Configure interface for demand-dial */ +}; + +/* Table of pointers to supported protocols */ +extern struct protent *protocols[]; /* * Prototypes. */ -void quit __P((void)); /* Cleanup and exit */ -void timeout __P((void (*)(), caddr_t, int)); - /* Look-alike of kernel's timeout() */ -void untimeout __P((void (*)(), caddr_t)); - /* Look-alike of kernel's untimeout() */ -void output __P((int, u_char *, int)); - /* Output a PPP packet */ + +/* Procedures exported from main.c. */ +void die __P((int)); /* Cleanup and exit */ +void quit __P((void)); /* like die(1) */ +void novm __P((char *)); /* Say we ran out of memory, and die */ +void timeout __P((void (*func)(), caddr_t arg, int t)); + /* Call func(arg) after t seconds */ +void untimeout __P((void (*func)(), caddr_t arg)); + /* Cancel call to func(arg) */ +int run_program __P((char *prog, char **args, int must_exist)); + /* Run program prog with args in child */ void demuxprotrej __P((int, int)); /* Demultiplex a Protocol-Reject */ +void format_packet __P((u_char *, int, void (*) (void *, char *, ...), + void *)); /* Format a packet in human-readable form */ +void log_packet __P((u_char *, int, char *)); + /* Format a packet and log it with syslog */ +void print_string __P((char *, int, void (*) (void *, char *, ...), + void *)); /* Format a string for output */ + +/* 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 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 */ +void auth_peer_fail __P((int, int)); + /* peer failed to authenticate itself */ +void auth_peer_success __P((int, int)); + /* peer successfully authenticated itself */ +void auth_withpeer_fail __P((int, int)); + /* we failed to authenticate ourselves */ +void auth_withpeer_success __P((int, int)); + /* we successfully authenticated ourselves */ +void check_auth_options __P((void)); + /* check authentication options supplied */ int check_passwd __P((int, char *, int, char *, int, char **, int *)); /* Check peer-supplied username/password */ int get_secret __P((int, char *, char *, char *, int *, int)); /* get "secret" for chap */ -u_int32_t GetMask __P((u_int32_t)); /* get netmask for address */ -void die __P((int)); +int auth_ip_addr __P((int, u_int32_t)); + /* check if IP address is authorized */ +int bad_ip_adrs __P((u_int32_t)); + /* check if IP address is unreasonable */ +void check_access __P((FILE *, char *)); + /* check permissions on secrets file */ + +/* Procedures exported from demand.c */ +void demand_conf __P((void)); /* config interface(s) for demand-dial */ +void demand_block __P((void)); /* set all NPs to queue up packets */ +void demand_unblock __P((void)); /* set all NPs to pass packets */ +void demand_discard __P((void)); /* set all NPs to discard packets */ +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)); /* process frame from loopback */ + +/* Procedures exported from sys-*.c */ +void sys_init __P((void)); /* Do system-dependent initialization */ +void sys_cleanup __P((void)); /* Restore system state before exiting */ +void sys_check_options __P((void)); /* Check options specified */ +void sys_close __P((void)); /* Clean up in a child before execing */ +void note_debug_level __P((void)); /* Note change in debug level */ +int ppp_available __P((void)); /* Test whether ppp kernel support exists */ +void open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */ +void establish_ppp __P((int)); /* Turn serial port into a ppp interface */ +/*void transfer_ppp __P((int)); /* Transfer ppp unit to another fd */ +void restore_loop __P((void)); /* Transfer ppp unit back to loopback */ +void disestablish_ppp __P((int)); /* Restore port to normal operation */ +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 */ +void setdtr __P((int, int)); /* Raise or lower port's DTR line */ +void output __P((int, u_char *, int)); /* Output a PPP packet */ +void wait_input __P((struct timeval *)); + /* Wait for input, with timeout */ +int read_packet __P((u_char *)); /* Read PPP packet */ +void ppp_send_config __P((int, int, u_int32_t, int, int)); + /* Configure i/f transmit parameters */ +void ppp_set_xaccm __P((int, ext_accm)); + /* Set extended transmit ACCM */ +void ppp_recv_config __P((int, int, u_int32_t, int, int)); + /* Configure i/f receive parameters */ +int ccp_test __P((int, u_char *, int, int)); + /* Test support for compression scheme */ +void ccp_flags_set __P((int, int, int)); + /* Set kernel CCP state */ +int ccp_fatal_error __P((int)); /* Test for fatal decomp error in kernel */ +int sifvjcomp __P((int, int, int, int)); + /* Configure VJ TCP header compression */ +int sifup __P((int)); /* Configure i/f up (for IP) */ +int sifdown __P((int)); /* Configure i/f down (for IP) */ +int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t)); + /* Configure IP addresses for i/f */ +int cifaddr __P((int, u_int32_t, u_int32_t)); + /* Reset i/f IP addresses */ +int sifdefaultroute __P((int, u_int32_t)); + /* Create default route through i/f */ +int cifdefaultroute __P((int, u_int32_t)); + /* Delete default route through i/f */ +int sifproxyarp __P((int, u_int32_t)); + /* Add proxy ARP entry for peer */ +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 */ +void unlock __P((void)); /* Delete previously-created lock file */ +int daemon __P((int, int)); /* Detach us from terminal session */ +int logwtmp __P((char *, char *, char *)); + /* Write entry to wtmp file */ /* * Inline versions of get/put char/short/long. @@ -191,9 +321,9 @@ void die __P((int)); #endif #ifndef LOG_PPP /* we use LOG_LOCAL2 for syslog by default */ -#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUG) \ +#if defined(DEBUGMAIN) || defined(DEBUGFSM) || defined(DEBUGSYS) \ || defined(DEBUGLCP) || defined(DEBUGIPCP) || defined(DEBUGUPAP) \ - || defined(DEBUGCHAP) + || defined(DEBUGCHAP) || defined(DEBUG) #define LOG_PPP LOG_LOCAL2 #else #define LOG_PPP LOG_DAEMON @@ -206,6 +336,12 @@ void die __P((int)); #define MAINDEBUG(x) #endif +#ifdef DEBUGSYS +#define SYSDEBUG(x) if (debug) syslog x +#else +#define SYSDEBUG(x) +#endif + #ifdef DEBUGFSM #define FSMDEBUG(x) if (debug) syslog x #else