-#define ppp_send_config(unit, mtu, accm, pc, acc) \
-do { \
- if (the_channel->send_config) \
- (*the_channel->send_config)((mtu), (accm), (pc), (acc)); \
-} while (0)
-
-#define ppp_recv_config(unit, mtu, accm, pc, acc) \
-do { \
- if (the_channel->send_config) \
- (*the_channel->recv_config)((mtu), (accm), (pc), (acc)); \
-} while (0)
-
-/*
- * Prototypes.
- */
-
-/* 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) */
-void novm __P((char *)); /* Say we ran out of memory, and die */
-void timeout __P((void (*func)(void *), void *arg, int s, int us));
- /* Call func(arg) after s.us 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 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));
-
-/* 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++ */
-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 */
-void info __P((char *, ...)); /* log an informational message */
-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 init_pr_log __P((char *, int)); /* initialize for using pr_log */
-void pr_log __P((void *, char *, ...)); /* printer fn, output to syslog */
-void end_pr_log __P((void)); /* finish up after using pr_log */
-void dump_packet __P((const char *, u_char *, int));
- /* dump packet to debug log if interesting */
-
-/* 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((int)); /* start all the network control protos */
-void continue_networks __P((int)); /* start network [ip, etc] 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 */
-void auth_peer_fail __P((int, int));
- /* peer failed to authenticate itself */
-void auth_peer_success __P((int, int, int, char *, int));
- /* peer successfully authenticated itself */
-void auth_withpeer_fail __P((int, int));
- /* we failed to authenticate ourselves */
-void auth_withpeer_success __P((int, 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 **));
- /* Check peer-supplied username/password */
-int get_secret __P((int, char *, char *, char *, int *, int));
- /* get "secret" for chap */
-int get_srp_secret __P((int unit, char *client, char *server, char *secret,
- int am_server));
-int auth_ip_addr __P((int, u_int32_t));
- /* check if IP address is authorized */
-int auth_number __P((void)); /* check if remote number is authorized */
-int bad_ip_adrs __P((u_int32_t));
- /* check if IP address is unreasonable */
-
-/* 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)); /* 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 */
-int sys_check_options __P((void)); /* Check options specified */
-void sys_close __P((void)); /* Clean up in a child before execing */
-int ppp_available __P((void)); /* Test whether ppp kernel support exists */
-int get_pty __P((int *, int *, char *, int)); /* Get pty master/slave */
-int open_ppp_loopback __P((void)); /* Open loopback for demand-dialling */
-int tty_establish_ppp __P((int)); /* Turn serial port into a ppp interface */
-void tty_disestablish_ppp __P((int)); /* Restore port to normal operation */
-void generic_disestablish_ppp __P((int dev_fd)); /* Restore device setting */
-int generic_establish_ppp __P((int dev_fd)); /* Make a ppp interface */
-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 */
-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 */
-void add_fd __P((int)); /* Add fd to set to wait for */
-void remove_fd __P((int)); /* Remove fd from set to wait for */
-int read_packet __P((u_char *)); /* Read PPP packet */
-int get_loop_output __P((void)); /* Read pkts from loopback */
-void tty_send_config __P((int, u_int32_t, int, int));
- /* Configure i/f transmit parameters */
-void tty_set_xaccm __P((ext_accm));
- /* Set extended transmit ACCM */
-void tty_recv_config __P((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 get_idle_time __P((int, struct ppp_idle *));
- /* Find out how long link has been idle */
-int get_ppp_stats __P((int, struct pppd_stats *));
- /* Return link statistics */
-void netif_set_mtu __P((int, int)); /* Set PPP interface MTU */
-int netif_get_mtu __P((int)); /* Get PPP interface MTU */
-int sifvjcomp __P((int, int, int, int));
- /* Configure VJ TCP header compression */
-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 one protocol */
-int sifaddr __P((int, u_int32_t, u_int32_t, u_int32_t));
- /* 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));
- /* 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 */
-int relock __P((int)); /* Rewrite lock file with new pid */
-void unlock __P((void)); /* Delete previously-created lock file */
-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 */
-#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
-int get_if_hwaddr __P((u_char *addr, char *name));
-char *get_first_ethernet __P((void));
-
-/* Procedures exported from options.c */
-int setipaddr __P((char *, char **, int)); /* Set local/remote ip addresses */
-int parse_args __P((int argc, char **argv));
- /* Parse options from arguments given */
-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 */
-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 */
-void check_options __P((void)); /* check values after all options parsed */
-int override_value __P((const char *, int, const char *));
- /* override value if permitted by priority */
-void print_options __P((void (*) __P((void *, char *, ...)), void *));
- /* print out values of all options */
-
-int parse_dotted_ip __P((char *, u_int32_t *));
-
-/*
- * 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 int (*allowed_address_hook) __P((u_int32_t addr));
-extern void (*ip_up_hook) __P((void));
-extern void (*ip_down_hook) __P((void));
-extern void (*ip_choose_hook) __P((u_int32_t *));
-
-extern int (*chap_check_hook) __P((void));
-extern int (*chap_passwd_hook) __P((char *user, char *passwd));
-
-/* Let a plugin snoop sent and received packets. Useful for L2TP */
-extern void (*snoop_recv_hook) __P((unsigned char *p, int len));
-extern void (*snoop_send_hook) __P((unsigned char *p, int len));
-
-/*
- * Inline versions of get/put char/short/long.
- * Pointer is advanced; we assume that both arguments
- * are lvalues and will already be in registers.
- * cp MUST be u_char *.
- */
-#define GETCHAR(c, cp) { \
- (c) = *(cp)++; \
-}
-#define PUTCHAR(c, cp) { \
- *(cp)++ = (u_char) (c); \
-}