X-Git-Url: http://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Fpppd.h;h=6924cb7d71f8ad72504281714fdf9afc33702d06;hp=f92241a3cc25ec392d9f2c125de3c31e5f191d43;hb=c134aa17fcb7a7730ff9e76010cb1eecb51852a7;hpb=032c5b596e0d8695b70170705848f93dc30ad46c diff --git a/pppd/pppd.h b/pppd/pppd.h index f92241a..6924cb7 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 1.12 1996/04/04 04:01:51 paulus Exp $ + * $Id: pppd.h,v 1.23 1998/11/07 06:59:29 paulus Exp $ */ /* @@ -31,19 +31,72 @@ #include /* for u_int32_t, if defined */ #include /* for struct timeval */ #include -#include -#define NUM_PPP 1 /* One PPP interface supported (per process) */ +#if __STDC__ +#include +#define __V(x) x +#else +#include +#define __V(x) (va_alist) va_dcl +#define const +#endif /* * Limits. */ +#define NUM_PPP 1 /* One PPP interface supported (per process) */ #define MAXWORDLEN 1024 /* max length of word in file (incl null) */ #define MAXARGS 1 /* max # args to a command */ #define MAXNAMELEN 256 /* max length of hostname or name for auth */ #define MAXSECRETLEN 256 /* max length of password or secret */ +/* + * Option descriptor structure. + */ + +typedef unsigned char bool; + +enum opt_type { + o_special_noarg = 0, + o_special = 1, + o_bool, + o_int, + o_uint32, + o_string, +}; + +typedef struct { + char *name; /* name of the option */ + enum opt_type type; + void *addr; + char *description; + int flags; + void *addr2; + int upper_limit; + int lower_limit; +} option_t; + +/* Values for flags */ +#define OPT_VALUE 0xff /* mask for presupplied value */ +#define OPT_HEX 0x100 /* int option is in hex */ +#define OPT_NOARG 0x200 /* option doesn't take argument */ +#define OPT_OR 0x400 /* OR in argument to value */ +#define OPT_INC 0x800 /* increment value */ +#define OPT_PRIV 0x1000 /* privileged option */ +#define OPT_STATIC 0x2000 /* string option goes into static array */ +#define OPT_LLIMIT 0x4000 /* check value against lower limit */ +#define OPT_ULIMIT 0x8000 /* check value against upper limit */ +#define OPT_LIMITS (OPT_LLIMIT|OPT_ULIMIT) +#define OPT_ZEROOK 0x10000 /* 0 value is OK even if not within limits */ +#define OPT_NOINCR 0x20000 /* value mustn't be increased */ +#define OPT_ZEROINF 0x40000 /* with OPT_NOINCR, 0 == infinity */ +#define OPT_A2INFO 0x100000 /* addr2 -> option_info to update */ +#define OPT_A2COPY 0x200000 /* addr2 -> second location to rcv value */ +#define OPT_ENABLE 0x400000 /* use *addr2 as enable for option */ + +#define OPT_VAL(x) ((x) & OPT_VALUE) + /* * Global variables. */ @@ -57,6 +110,12 @@ extern u_char outpacket_buf[]; /* Buffer for outgoing packets */ extern int phase; /* Current state of link - see values below */ extern int baud_rate; /* Current link speed in bits/sec */ extern char *progname; /* Name of this program */ +extern int redirect_stderr;/* Connector's stderr should go to file */ +extern char peer_authname[];/* Authenticated name of peer */ +extern int privileged; /* We were run by real-uid root */ +extern int need_holdoff; /* Need holdoff period after link terminates */ +extern char **script_env; /* Environment variables for scripts */ +extern int detached; /* Have detached from controlling tty */ /* * Variables set by command-line options. @@ -67,45 +126,55 @@ extern int kdebugflag; /* Tell kernel to print debug messages */ extern int default_device; /* Using /dev/tty or equivalent */ extern char devnam[]; /* Device name */ extern int crtscts; /* Use hardware flow control */ -extern int modem; /* Use modem control lines */ +extern bool modem; /* Use modem control lines */ extern int inspeed; /* Input/Output speed requested */ extern u_int32_t netmask; /* IP netmask to set on interface */ -extern int lockflag; /* Create lock file to lock the serial dev */ -extern int nodetach; /* Don't detach from controlling tty */ +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 *welcomer; /* Script to welcome client after connection */ -extern int maxconnect; /* maximum number of seconds for a connection */ -extern char user[]; /* Username for PAP */ +extern int maxconnect; /* Maximum connect time (seconds) */ +extern char user[]; /* Our name for authenticating ourselves */ extern char passwd[]; /* Password for PAP */ -extern int auth_required; /* Peer is required to authenticate */ -extern int proxyarp; /* Set up proxy ARP entry for peer */ -extern int persist; /* Reopen link after it goes down */ -extern int uselogin; /* Use /etc/passwd for checking PAP */ -extern int lcp_echo_interval; /* Interval between LCP echo-requests */ -extern int lcp_echo_fails; /* Tolerance to unanswered echo-requests */ +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 */ 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 int explicit_remote;/* remote_name specified with remotename opt */ +extern bool demand; /* Do dial-on-demand */ extern char *ipparam; /* Extra parameter for ip up/down scripts */ -extern int cryptpap; /* Others' PAP passwords are encrypted */ +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 */ +#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 /* * Values for phase. */ #define PHASE_DEAD 0 -#define PHASE_DORMANT 1 -#define PHASE_ESTABLISH 2 -#define PHASE_AUTHENTICATE 3 -#define PHASE_NETWORK 4 -#define PHASE_TERMINATE 5 -#define PHASE_HOLDOFF 6 +#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 /* * The following struct gives the addresses of procedures to call @@ -113,19 +182,35 @@ extern struct bpf_program active_filter; /* Filter for link-active pkts */ */ 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 */ + /* Initialization procedure */ + void (*init) __P((int unit)); + /* Process a received packet */ + void (*input) __P((int unit, u_char *pkt, int len)); + /* Process a received protocol-reject */ + void (*protrej) __P((int unit)); + /* Lower layer has come up */ + void (*lowerup) __P((int unit)); + /* Lower layer has gone down */ + void (*lowerdown) __P((int unit)); + /* Open the protocol */ + void (*open) __P((int unit)); + /* Close the protocol */ + void (*close) __P((int unit, char *reason)); + /* Print a packet in readable form */ + int (*printpkt) __P((u_char *pkt, int len, + void (*printer) __P((void *, char *, ...)), + void *arg)); + /* Process a received data packet */ + void (*datainput) __P((int unit, u_char *pkt, int len)); + bool 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 */ + option_t *options; /* List of command-line options */ + /* Check requested options, assign defaults */ + void (*check_options) __P((void)); + /* Configure interface for demand-dial */ + int (*demand_conf) __P((int unit)); + /* Say whether to bring up link for this pkt */ + int (*active_pkt) __P((u_char *pkt, int len)); }; /* Table of pointers to supported protocols */ @@ -136,23 +221,29 @@ extern struct protent *protocols[]; */ /* Procedures exported from main.c. */ +void detach __P((void)); /* Detach from controlling tty */ 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)); +void timeout __P((void (*func)(void *), void *arg, int t)); /* Call func(arg) after t seconds */ -void untimeout __P((void (*func)(), caddr_t arg)); +void untimeout __P((void (*func)(void *), void *arg)); /* Cancel call to func(arg) */ -int run_program __P((char *prog, char **args, int must_exist)); +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 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 *)); +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 fmtmsg __P((char *, int, char *, ...)); /* sprintf++ */ +int vfmtmsg __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 */ /* Procedures exported from auth.c */ void link_required __P((int)); /* we are starting to use the link */ @@ -164,7 +255,7 @@ 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)); +void auth_peer_success __P((int, int, char *, int)); /* peer successfully authenticated itself */ void auth_withpeer_fail __P((int, int)); /* we failed to authenticate ourselves */ @@ -172,6 +263,7 @@ void auth_withpeer_success __P((int, int)); /* we successfully authenticated ourselves */ 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 *)); /* Check peer-supplied username/password */ int get_secret __P((int, char *, char *, char *, int *, int)); @@ -195,9 +287,8 @@ 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 */ +int 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 */ @@ -238,9 +329,9 @@ 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)); +int sifdefaultroute __P((int, u_int32_t, u_int32_t)); /* Create default route through i/f */ -int cifdefaultroute __P((int, u_int32_t)); +int cifdefaultroute __P((int, u_int32_t, u_int32_t)); /* Delete default route through i/f */ int sifproxyarp __P((int, u_int32_t)); /* Add proxy ARP entry for peer */ @@ -250,21 +341,56 @@ 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 *)); +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 */ +int have_route_to __P((u_int32_t)); /* Check if route to addr exists */ +void hangup_modem __P((int)); /* Make modem hang up */ +#ifdef PPP_FILTER int set_filters __P((struct bpf_program *pass, struct bpf_program *active)); /* Set filter programs in kernel */ +#endif +#ifdef IPX_CHANGE +int sipxfaddr __P((int, unsigned long, unsigned char *)); +int cipxfaddr __P((int)); +#endif /* Procedures exported from options.c */ int parse_args __P((int argc, char **argv)); /* Parse options from arguments given */ void usage __P((void)); /* Print a usage message */ -int options_from_file __P((char *filename, int must_exist, int check_prot)); +int options_from_file __P((char *filename, int must_exist, int check_prot, + int privileged)); /* 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 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 number_option __P((char *, u_int32_t *, int)); + /* Parse a numerical option */ +int int_option __P((char *, int *)); + /* Simplified number_option for decimal ints */ + +/* + * This structure is used to store information about certain + * options, such as where the option value came from (/etc/ppp/options, + * command line, etc.) and whether it came from a privileged source. + */ + +struct option_info { + int priv; /* was value set by sysadmin? */ + char *source; /* where option came from */ +}; + +extern struct option_info auth_req_info; +extern struct option_info connector_info; +extern struct option_info disconnector_info; +extern struct option_info welcomer_info; +extern struct option_info devnam_info; /* * Inline versions of get/put char/short/long. @@ -395,6 +521,12 @@ int getword __P((FILE *f, char *word, int *newlinep, char *filename)); #define CHAPDEBUG(x) #endif +#ifdef DEBUGIPXCP +#define IPXCPDEBUG(x) if (debug) syslog x +#else +#define IPXCPDEBUG(x) +#endif + #ifndef SIGTYPE #if defined(sun) || defined(SYSV) || defined(POSIX_SOURCE) #define SIGTYPE void