X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Foptions.c;h=f2ff59d85380cbeb339910628aff9ff706e94c8d;hb=ba7f7e053daae846a54a1d08d3d133a5f1266ace;hp=108e2b8c1197968f770bb3bb40bc560f9a53c19a;hpb=7afd9fdfe025a5c448d737a23d2e635e9cf6bd2d;p=ppp.git diff --git a/pppd/options.c b/pppd/options.c index 108e2b8..f2ff59d 100644 --- a/pppd/options.c +++ b/pppd/options.c @@ -40,6 +40,10 @@ * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + #include #include #include @@ -50,11 +54,13 @@ #include #include #include -#ifdef PLUGIN +#include +#include +#ifdef PPP_WITH_PLUGINS #include #endif -#ifdef PPP_FILTER +#ifdef PPP_WITH_FILTER #include /* * There have been 3 or 4 different names for this in libpcap CVS, but @@ -69,9 +75,11 @@ #define DLT_PPP_PPPD DLT_PPP #endif #endif -#endif /* PPP_FILTER */ +#endif /* PPP_WITH_FILTER */ -#include "pppd.h" +#include "pppd-private.h" +#include "options.h" +#include "upap.h" #include "pathnames.h" #if defined(ultrix) || defined(NeXT) @@ -91,7 +99,6 @@ struct option_value { int debug = 0; /* Debug flag */ int kdebugflag = 0; /* Tell kernel to print debug messages */ int default_device = 1; /* Using /dev/tty or equivalent */ -char devnam[MAXPATHLEN]; /* Device name */ bool nodetach = 0; /* Don't detach from controlling tty */ bool updetach = 0; /* Detach once link is up */ bool master_detach; /* Detach when we're (only) multilink master */ @@ -104,7 +111,6 @@ char passwd[MAXSECRETLEN]; /* Password for PAP */ bool persist = 0; /* Reopen link after it goes down */ char our_name[MAXNAMELEN]; /* Our name for authentication purposes */ bool demand = 0; /* do dial-on-demand */ -char *ipparam = NULL; /* Extra parameter for ip up/down scripts */ int idle_time_limit = 0; /* Disconnect if idle for this many seconds */ int holdoff = 30; /* # seconds to pause before reconnecting */ bool holdoff_specified; /* true if a holdoff value has been given */ @@ -117,32 +123,36 @@ int connect_delay = 1000; /* wait this many ms after connect script */ int req_unit = -1; /* requested interface unit */ char path_ipup[MAXPATHLEN]; /* pathname of ip-up script */ char path_ipdown[MAXPATHLEN];/* pathname of ip-down script */ -char req_ifname[MAXIFNAMELEN]; /* requested interface name */ +char req_ifname[IFNAMSIZ]; /* requested interface name */ bool multilink = 0; /* Enable multilink operation */ char *bundle_name = NULL; /* bundle name for multilink */ bool dump_options; /* print out option values */ +bool show_options; /* print all supported options and exit */ bool dryrun; /* print out option values and exit */ char *domain; /* domain name set by domain option */ int child_wait = 5; /* # seconds to wait for children at exit */ struct userenv *userenv_list; /* user environment variables */ int dfl_route_metric = -1; /* metric of the default route to set over the PPP link */ -#ifdef MAXOCTETS +#ifdef PPP_WITH_IPV6CP +char path_ipv6up[MAXPATHLEN]; /* pathname of ipv6-up script */ +char path_ipv6down[MAXPATHLEN]; /* pathname of ipv6-down script */ +#endif + unsigned int maxoctets = 0; /* default - no limit */ -int maxoctets_dir = 0; /* default - sum of traffic */ +session_limit_dir_t maxoctets_dir = PPP_OCTETS_DIRECTION_SUM; /* default - sum of traffic */ int maxoctets_timeout = 1; /* default 1 second */ -#endif -extern option_t auth_options[]; +extern struct option auth_options[]; extern struct stat devstat; -#ifdef PPP_FILTER +#ifdef PPP_WITH_FILTER struct bpf_program pass_filter;/* Filter program for packets to pass */ struct bpf_program active_filter; /* Filter program for link-active pkts */ #endif -static option_t *curopt; /* pointer to option being processed */ +static struct option *curopt; /* pointer to option being processed */ 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 */ @@ -152,6 +162,8 @@ bool devnam_fixed; /* can no longer change device name */ static int logfile_fd = -1; /* fd opened for log file */ static char logfile_name[MAXPATHLEN]; /* name of log file */ +static bool noipx_opt; /* dummy for noipx option */ + /* * Prototypes */ @@ -162,34 +174,32 @@ static int showversion(char **); static int showhelp(char **); static void usage(void); static int setlogfile(char **); -#ifdef PLUGIN +#ifdef PPP_WITH_PLUGINS static int loadplugin(char **); #endif -#ifdef PPP_FILTER +#ifdef PPP_WITH_FILTER static int setpassfilter(char **); static int setactivefilter(char **); #endif -#ifdef MAXOCTETS static int setmodir(char **); -#endif static int user_setenv(char **); -static void user_setprint(option_t *, printer_func, void *); +static void user_setprint(struct option *, printer_func, void *); static int user_unsetenv(char **); -static void user_unsetprint(option_t *, printer_func, void *); +static void user_unsetprint(struct option *, printer_func, void *); -static option_t *find_option(char *name); -static int process_option(option_t *, char *, char **); -static int n_arguments(option_t *); +static struct option *find_option(char *name); +static int process_option(struct option *, char *, char **); +static int n_arguments(struct option *); static int number_option(char *, u_int32_t *, int); /* * Structure to store extra lists of options. */ struct option_list { - option_t *options; + struct option *options; struct option_list *next; }; @@ -198,7 +208,7 @@ static struct option_list *extra_options = NULL; /* * Valid arguments. */ -option_t general_options[] = { +struct option general_options[] = { { "debug", o_int, &debug, "Increase debugging level", OPT_INC | OPT_NOARG | 1 }, { "-d", o_int, &debug, @@ -254,6 +264,10 @@ option_t general_options[] = { { "--version", o_special_noarg, (void *)showversion, "Show version number" }, + { "-v", o_special_noarg, (void *)showversion, + "Show version number" }, + { "show-options", o_bool, &show_options, + "Show all options and exit", 1 }, { "--help", o_special_noarg, (void *)showhelp, "Show brief listing of options" }, { "-h", o_special_noarg, (void *)showhelp, @@ -295,7 +309,7 @@ option_t general_options[] = { { "ifname", o_string, req_ifname, "Set PPP interface name", - OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, MAXIFNAMELEN }, + OPT_PRIO | OPT_PRIV | OPT_STATIC, NULL, IFNAMSIZ }, { "dump", o_bool, &dump_options, "Print out option values after parsing all options", 1 }, @@ -324,7 +338,16 @@ option_t general_options[] = { "Set pathname of ip-down script", OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN }, -#ifdef HAVE_MULTILINK +#ifdef PPP_WITH_IPV6CP + { "ipv6-up-script", o_string, path_ipv6up, + "Set pathname of ipv6-up script", + OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN }, + { "ipv6-down-script", o_string, path_ipv6down, + "Set pathname of ipv6-down script", + OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN }, +#endif + +#ifdef PPP_WITH_MULTILINK { "multilink", o_bool, &multilink, "Enable multilink operation", OPT_PRIO | 1 }, { "mp", o_bool, &multilink, @@ -336,14 +359,14 @@ option_t general_options[] = { { "bundle", o_string, &bundle_name, "Bundle name for multilink", OPT_PRIO }, -#endif /* HAVE_MULTILINK */ +#endif /* PPP_WITH_MULTILINK */ -#ifdef PLUGIN +#ifdef PPP_WITH_PLUGINS { "plugin", o_special, (void *)loadplugin, "Load a plug-in module into pppd", OPT_PRIV | OPT_A2LIST }, #endif -#ifdef PPP_FILTER +#ifdef PPP_WITH_FILTER { "pass-filter", o_special, setpassfilter, "set filter for packets to pass", OPT_PRIO }, @@ -351,7 +374,6 @@ option_t general_options[] = { "set filter for active pkts", OPT_PRIO }, #endif -#ifdef MAXOCTETS { "maxoctets", o_int, &maxoctets, "Set connection traffic limit", OPT_PRIO | OPT_LLIMIT | OPT_NOINCR | OPT_ZEROINF }, @@ -362,7 +384,9 @@ option_t general_options[] = { "Set direction for limit traffic (sum,in,out,max)" }, { "mo-timeout", o_int, &maxoctets_timeout, "Check for traffic limit every N seconds", OPT_PRIO | OPT_LLIMIT | 1 }, -#endif + + /* Dummy option, does nothing */ + { "noipx", o_bool, &noipx_opt, NULL, OPT_NOPRINT | 1 }, { NULL } }; @@ -371,23 +395,104 @@ option_t general_options[] = { #define IMPLEMENTATION "" #endif -static char *usage_string = "\ -pppd version %s\n\ -Usage: %s [ options ], where options are:\n\ - Communicate over the named device\n\ - Set the baud rate to \n\ - : Set the local and/or remote interface IP\n\ - addresses. Either one may be omitted.\n\ - asyncmap Set the desired async map to hex \n\ - auth Require authentication from peer\n\ - connect

Invoke shell command

to set up the serial line\n\ - crtscts Use hardware RTS/CTS flow control\n\ - defaultroute Add default route through interface\n\ - file Take options from file \n\ - modem Use modem control lines\n\ - mru Set MRU value to for negotiation\n\ -See pppd(8) for more options.\n\ -"; +int +ppp_get_max_idle_time() +{ + return idle_time_limit; +} + +void +ppp_set_max_idle_time(unsigned int max) +{ + idle_time_limit = max; +} + +int +ppp_get_max_connect_time() +{ + return maxconnect; +} + +void +ppp_set_max_connect_time(unsigned int max) +{ + maxconnect = max; +} + +void +ppp_set_session_limit(unsigned int octets) +{ + maxoctets = octets; +} + +void +ppp_set_session_limit_dir(unsigned int dir) +{ + if (dir > 4) + dir = PPP_OCTETS_DIRECTION_SUM; + maxoctets_dir = (session_limit_dir_t) dir; +} + +bool +debug_on() +{ + return !!debug; +} + +int +ppp_get_path(ppp_path_t type, char *buf, size_t bufsz) +{ + const char *path; + + if (buf && bufsz > 0) { + switch (type) { + case PPP_DIR_LOG: + path = PPP_PATH_VARLOG; + break; + case PPP_DIR_RUNTIME: + path = PPP_PATH_VARRUN; + break; + case PPP_DIR_PLUGIN: + path = PPP_PATH_PLUGIN; + break; + case PPP_DIR_CONF: + path = PPP_PATH_CONFDIR; + break; + } + return strlcpy(buf, path, bufsz); + } + return -1; +} + +int +ppp_get_filepath(ppp_path_t type, const char *name, char *buf, size_t bufsz) +{ + const char *path; + + if (buf && bufsz > 0) { + switch (type) { + case PPP_DIR_LOG: + path = PPP_PATH_VARLOG; + break; + case PPP_DIR_RUNTIME: + path = PPP_PATH_VARRUN; + break; + case PPP_DIR_PLUGIN: + path = PPP_PATH_PLUGIN; + break; + case PPP_DIR_CONF: + path = PPP_PATH_CONFDIR; + break; + } + return slprintf(buf, bufsz, "%s/%s", path, name); + } + return -1; +} + +bool ppp_persist() +{ + return !!persist; +} /* * parse_args - parse a string of arguments from the command line. @@ -396,7 +501,7 @@ int parse_args(int argc, char **argv) { char *arg; - option_t *opt; + struct option *opt; int n; privileged_option = privileged; @@ -407,13 +512,13 @@ parse_args(int argc, char **argv) --argc; opt = find_option(arg); if (opt == NULL) { - option_error("unrecognized option '%s'", arg); + ppp_option_error("unrecognized option '%s'", arg); usage(); return 0; } n = n_arguments(opt); if (argc < n) { - option_error("too few parameters for option %s", arg); + ppp_option_error("too few parameters for option %s", arg); return 0; } if (!process_option(opt, arg, argv)) @@ -429,11 +534,11 @@ parse_args(int argc, char **argv) * and interpret them. */ int -options_from_file(char *filename, int must_exist, int check_prot, int priv) +ppp_options_from_file(char *filename, int must_exist, int check_prot, int priv) { FILE *f; int i, newline, ret, err; - option_t *opt; + struct option *opt; int oldpriv, n; char *oldsource; uid_t euid; @@ -443,7 +548,7 @@ options_from_file(char *filename, int must_exist, int check_prot, int priv) euid = geteuid(); if (check_prot && seteuid(getuid()) == -1) { - option_error("unable to drop privileges to open %s: %m", filename); + ppp_option_error("unable to drop privileges to open %s: %m", filename); return 0; } f = fopen(filename, "r"); @@ -457,7 +562,7 @@ options_from_file(char *filename, int must_exist, int check_prot, int priv) warn("Warning: can't open options file %s: %m", filename); return 1; } - option_error("Can't open options file %s: %m", filename); + ppp_option_error("Can't open options file %s: %m", filename); return 0; } @@ -471,14 +576,14 @@ options_from_file(char *filename, int must_exist, int check_prot, int priv) while (getword(f, cmd, &newline, filename)) { opt = find_option(cmd); if (opt == NULL) { - option_error("In file %s: unrecognized option '%s'", + ppp_option_error("In file %s: unrecognized option '%s'", filename, cmd); goto err; } n = n_arguments(opt); for (i = 0; i < n; ++i) { if (!getword(f, args[i], &newline, filename)) { - option_error( + ppp_option_error( "In file %s: too few parameters for option '%s'", filename, cmd); goto err; @@ -512,14 +617,14 @@ options_from_user(void) pw = getpwuid(getuid()); if (pw == NULL || (user = pw->pw_dir) == NULL || user[0] == 0) return 1; - file = _PATH_USEROPT; + file = PPP_PATH_USEROPT; pl = strlen(user) + strlen(file) + 2; path = malloc(pl); if (path == NULL) novm("init file name"); slprintf(path, pl, "%s/%s", user, file); option_priority = OPRIO_CFGFILE; - ret = options_from_file(path, 0, 1, privileged); + ret = ppp_options_from_file(path, 0, 1, privileged); free(path); return ret; } @@ -544,17 +649,17 @@ options_for_tty(void) dev = p + 5; if (dev[0] == 0 || strcmp(dev, "tty") == 0) return 1; /* don't look for /etc/ppp/options.tty */ - pl = strlen(_PATH_TTYOPT) + strlen(dev) + 1; + pl = strlen(PPP_PATH_TTYOPT) + strlen(dev) + 1; path = malloc(pl); if (path == NULL) novm("tty init file name"); - slprintf(path, pl, "%s%s", _PATH_TTYOPT, dev); + slprintf(path, pl, "%s%s", PPP_PATH_TTYOPT, dev); /* Turn slashes into dots, for Solaris case (e.g. /dev/term/a) */ - for (p = path + strlen(_PATH_TTYOPT); *p != 0; ++p) + for (p = path + strlen(PPP_PATH_TTYOPT); *p != 0; ++p) if (*p == '/') *p = '.'; option_priority = OPRIO_CFGFILE; - ret = options_from_file(path, 0, 0, 1); + ret = ppp_options_from_file(path, 0, 0, 1); free(path); return ret; } @@ -566,7 +671,7 @@ int options_from_list(struct wordlist *w, int priv) { char *argv[MAXARGS]; - option_t *opt; + struct option *opt; int i, n, ret = 0; struct wordlist *w0; @@ -577,7 +682,7 @@ options_from_list(struct wordlist *w, int priv) while (w != NULL) { opt = find_option(w->word); if (opt == NULL) { - option_error("In secrets file: unrecognized option '%s'", + ppp_option_error("In secrets file: unrecognized option '%s'", w->word); goto err; } @@ -586,7 +691,7 @@ options_from_list(struct wordlist *w, int priv) for (i = 0; i < n; ++i) { w = w->next; if (w == NULL) { - option_error( + ppp_option_error( "In secrets file: too few parameters for option '%s'", w0->word); goto err; @@ -604,10 +709,10 @@ err: } /* - * match_option - see if this option matches an option_t structure. + * match_option - see if this option matches an option structure. */ static int -match_option(char *name, option_t *opt, int dowild) +match_option(char *name, struct option *opt, int dowild) { int (*match)(char *, char **, int); @@ -624,10 +729,10 @@ match_option(char *name, option_t *opt, int dowild) * looking for an entry with the given name. * This could be optimized by using a hash table. */ -static option_t * +static struct option * find_option(char *name) { - option_t *opt; + struct option *opt; struct option_list *list; int i, dowild; @@ -658,7 +763,7 @@ find_option(char *name) * process_option - process one new-style option. */ static int -process_option(option_t *opt, char *cmd, char **argv) +process_option(struct option *opt, char *cmd, char **argv) { u_int32_t v; int iv, a; @@ -667,7 +772,7 @@ process_option(option_t *opt, char *cmd, char **argv) int (*wildp)(char *, char **, int); char *optopt = (opt->type == o_wild)? "": " option"; int prio = option_priority; - option_t *mainopt = opt; + struct option *mainopt = opt; current_option = opt->name; if ((opt->flags & OPT_PRIVFIX) && privileged_option) @@ -678,7 +783,7 @@ process_option(option_t *opt, char *cmd, char **argv) if (prio < mainopt->priority) { /* new value doesn't override old */ if (prio == OPRIO_CMDLINE && mainopt->priority > OPRIO_ROOT) { - option_error("%s%s set in %s cannot be overridden\n", + ppp_option_error("%s%s set in %s cannot be overridden\n", opt->name, optopt, mainopt->source); return 0; } @@ -689,22 +794,22 @@ process_option(option_t *opt, char *cmd, char **argv) opt->name, optopt, option_source); } - if ((opt->flags & OPT_INITONLY) && phase != PHASE_INITIALIZE) { - option_error("%s%s cannot be changed after initialization", + if ((opt->flags & OPT_INITONLY) && !in_phase(PHASE_INITIALIZE)) { + ppp_option_error("%s%s cannot be changed after initialization", opt->name, optopt); return 0; } if ((opt->flags & OPT_PRIV) && !privileged_option) { - option_error("using the %s%s requires root privilege", + ppp_option_error("using the %s%s requires root privilege", opt->name, optopt); return 0; } if ((opt->flags & OPT_ENABLE) && *(bool *)(opt->addr2) == 0) { - option_error("%s%s is disabled", opt->name, optopt); + ppp_option_error("%s%s is disabled", opt->name, optopt); return 0; } if ((opt->flags & OPT_DEVEQUIV) && devnam_fixed) { - option_error("the %s%s may not be changed in %s", + ppp_option_error("the %s%s may not be changed in %s", opt->name, optopt, option_source); return 0; } @@ -726,7 +831,7 @@ process_option(option_t *opt, char *cmd, char **argv) case o_int: iv = 0; if ((opt->flags & OPT_NOARG) == 0) { - if (!int_option(*argv, &iv)) + if (!ppp_int_option(*argv, &iv)) return 0; if ((((opt->flags & OPT_LLIMIT) && iv < opt->lower_limit) || ((opt->flags & OPT_ULIMIT) && iv > opt->upper_limit)) @@ -734,15 +839,15 @@ process_option(option_t *opt, char *cmd, char **argv) char *zok = (opt->flags & OPT_ZEROOK)? " zero or": ""; switch (opt->flags & OPT_LIMITS) { case OPT_LLIMIT: - option_error("%s value must be%s >= %d", + ppp_option_error("%s value must be%s >= %d", opt->name, zok, opt->lower_limit); break; case OPT_ULIMIT: - option_error("%s value must be%s <= %d", + ppp_option_error("%s value must be%s <= %d", opt->name, zok, opt->upper_limit); break; case OPT_LIMITS: - option_error("%s value must be%s between %d and %d", + ppp_option_error("%s value must be%s between %d and %d", opt->name, zok, opt->lower_limit, opt->upper_limit); break; } @@ -759,7 +864,7 @@ process_option(option_t *opt, char *cmd, char **argv) int oldv = *(int *)(opt->addr); if ((opt->flags & OPT_ZEROINF) ? (oldv != 0 && (iv == 0 || iv > oldv)) : (iv > oldv)) { - option_error("%s value cannot be increased", opt->name); + ppp_option_error("%s value cannot be increased", opt->name); return 0; } } @@ -856,7 +961,7 @@ process_option(option_t *opt, char *cmd, char **argv) int override_value(char *option, int priority, const char *source) { - option_t *opt; + struct option *opt; opt = find_option(option); if (opt == NULL) @@ -875,7 +980,7 @@ override_value(char *option, int priority, const char *source) * n_arguments - tell how many arguments an option takes */ static int -n_arguments(option_t *opt) +n_arguments(struct option *opt) { return (opt->type == o_bool || opt->type == o_special_noarg || (opt->flags & OPT_NOARG))? 0: 1; @@ -885,7 +990,7 @@ n_arguments(option_t *opt) * add_options - add a list of options to the set we grok. */ void -add_options(option_t *opt) +ppp_add_options(struct option *opt) { struct option_list *list; @@ -911,7 +1016,7 @@ check_options(void) * print_option - print out an option and its value */ static void -print_option(option_t *opt, option_t *mainopt, printer_func printer, void *arg) +print_option(struct option *opt, struct option *mainopt, printer_func printer, void *arg) { int i, v; char *p; @@ -973,8 +1078,8 @@ print_option(option_t *opt, option_t *mainopt, printer_func printer, void *arg) printer(arg, " "); } if (opt->flags & OPT_A2PRINTER) { - void (*oprt)(option_t *, printer_func, void *); - oprt = (void (*)(option_t *, printer_func, void *)) + void (*oprt)(struct option *, printer_func, void *); + oprt = (void (*)(struct option *, printer_func, void *)) opt->addr2; (*oprt)(opt, printer, arg); } else if (opt->flags & OPT_A2STRVAL) { @@ -1010,7 +1115,7 @@ print_option(option_t *opt, option_t *mainopt, printer_func printer, void *arg) * array of options. */ static void -print_option_list(option_t *opt, printer_func printer, void *arg) +print_option_list(struct option *opt, printer_func printer, void *arg) { while (opt->name != NULL) { if (opt->priority != OPRIO_DEFAULT @@ -1047,8 +1152,33 @@ print_options(printer_func printer, void *arg) static void usage(void) { - if (phase == PHASE_INITIALIZE) - fprintf(stderr, usage_string, VERSION, progname); + FILE *fp = stderr; + if (in_phase(PHASE_INITIALIZE)) { + fprintf(fp, "%s v%s\n", PACKAGE_NAME, PACKAGE_VERSION); + fprintf(fp, "Copyright (C) 1999-2022 Paul Mackerras, and others. All rights reserved.\n\n"); + + + fprintf(fp, "License BSD: The 3 clause BSD license \n"); + fprintf(fp, "This is free software: you are free to change and redistribute it.\n"); + fprintf(fp, "There is NO WARRANTY, to the extent permitted by law.\n\n"); + + fprintf(fp, "Report Bugs:\n %s\n\n", PACKAGE_BUGREPORT); + fprintf(fp, "Usage: %s [ options ], where options are:\n", progname); + fprintf(fp, " Communicate over the named device\n"); + fprintf(fp, " Set the baud rate to \n"); + fprintf(fp, " : Set the local and/or remote interface IP\n"); + fprintf(fp, " addresses. Either one may be omitted.\n"); + fprintf(fp, " asyncmap Set the desired async map to hex \n"); + fprintf(fp, " auth Require authentication from peer\n"); + fprintf(fp, " connect

Invoke shell command

to set up the serial line\n"); + fprintf(fp, " crtscts Use hardware RTS/CTS flow control\n"); + fprintf(fp, " defaultroute Add default route through interface\n"); + fprintf(fp, " file Take options from file \n"); + fprintf(fp, " modem Use modem control lines\n"); + fprintf(fp, " mru Set MRU value to for negotiation\n"); + fprintf(fp, " show-options Display an extended list of options\n"); + fprintf(fp, "See pppd(8) for more options.\n"); + } } /* @@ -1057,7 +1187,7 @@ usage(void) static int showhelp(char **argv) { - if (phase == PHASE_INITIALIZE) { + if (in_phase(PHASE_INITIALIZE)) { usage(); exit(0); } @@ -1070,7 +1200,7 @@ showhelp(char **argv) static int showversion(char **argv) { - if (phase == PHASE_INITIALIZE) { + if (in_phase(PHASE_INITIALIZE)) { fprintf(stdout, "pppd version %s\n", VERSION); exit(0); } @@ -1078,12 +1208,67 @@ showversion(char **argv) } /* - * option_error - print a message about an error in an option. + * Print a set of options including the name of the group of options + */ +static void +showopts_list(FILE *fp, const char *title, struct option *list, ...) +{ + struct option *opt = list; + va_list varg; + + if (opt && opt->name) { + va_start(varg, list); + vfprintf(fp, title, varg); + fprintf(fp, ":\n"); + va_end(varg); + + do { + fprintf(fp, " %-22s %s\n", opt->name, opt->description?:""); + opt++; + } while (opt && opt->name); + + fprintf(fp, "\n"); + } +} + +/* + * Dumps the list of available options + */ +void +showopts(void) +{ + struct option_list *list; + FILE *fp = stderr; + int i = 0; + + showopts_list(fp, "General Options", + general_options); + + showopts_list(fp, "Authentication Options", + auth_options); + + for (list = extra_options; list != NULL; list = list->next) + showopts_list(fp, "Extra Options", list->options); + + showopts_list(fp, "Channel Options", + the_channel->options); + + for (i = 0; protocols[i] != NULL; ++i) { + if (protocols[i]->options != NULL) { + showopts_list(fp, "%s Options", + protocols[i]->options, + protocols[i]->name); + } + } +} + +/* + * ppp_option_error - print a message about an error in an option. * The message is logged, and also sent to - * stderr if phase == PHASE_INITIALIZE. + * stderr if in_phase(PHASE_INITIALIZE). */ void -option_error(char *fmt, ...) +ppp_option_error(char *fmt, ...) { va_list args; char buf[1024]; @@ -1091,7 +1276,7 @@ option_error(char *fmt, ...) va_start(args, fmt); vslprintf(buf, sizeof(buf), fmt, args); va_end(args); - if (phase == PHASE_INITIALIZE) + if (in_phase(PHASE_INITIALIZE)) fprintf(stderr, "%s: %s\n", progname, buf); syslog(LOG_ERR, "%s", buf); } @@ -1338,7 +1523,7 @@ getword(FILE *f, char *word, int *newlinep, char *filename) if (ferror(f)) { if (errno == 0) errno = EIO; - option_error("Error reading %s: %m", filename); + ppp_option_error("Error reading %s: %m", filename); die(1); } /* @@ -1348,7 +1533,7 @@ getword(FILE *f, char *word, int *newlinep, char *filename) if (len == 0) return 0; if (quoted) - option_error("warning: quoted word runs to end of file (%.20s...)", + ppp_option_error("warning: quoted word runs to end of file (%.20s...)", filename, word); } @@ -1356,7 +1541,7 @@ getword(FILE *f, char *word, int *newlinep, char *filename) * Warn if the word was too long, and append a terminating null. */ if (len >= MAXWORDLEN) { - option_error("warning: word in file %s too long (%.20s...)", + ppp_option_error("warning: word in file %s too long (%.20s...)", filename, word); len = MAXWORDLEN - 1; } @@ -1378,7 +1563,7 @@ number_option(char *str, u_int32_t *valp, int base) *valp = strtoul(str, &ptr, base); if (ptr == str) { - option_error("invalid numeric parameter '%s' for %s option", + ppp_option_error("invalid numeric parameter '%s' for %s option", str, current_option); return 0; } @@ -1392,7 +1577,7 @@ number_option(char *str, u_int32_t *valp, int base) * if there is an error. */ int -int_option(char *str, int *valp) +ppp_int_option(char *str, int *valp) { u_int32_t v; @@ -1413,7 +1598,7 @@ int_option(char *str, int *valp) static int readfile(char **argv) { - return options_from_file(*argv, 1, 1, privileged_option); + return ppp_options_from_file(*argv, 1, 1, privileged_option); } /* @@ -1443,22 +1628,23 @@ callfile(char **argv) } } if (!ok) { - option_error("call option value may not contain .. or start with /"); + ppp_option_error("call option value may not contain .. or start with /"); return 0; } - l = strlen(arg) + strlen(_PATH_PEERFILES) + 1; + l = strlen(arg) + strlen(PPP_PATH_PEERFILES) + 1; if ((fname = (char *) malloc(l)) == NULL) novm("call file name"); - slprintf(fname, l, "%s%s", _PATH_PEERFILES, arg); + slprintf(fname, l, "%s%s", PPP_PATH_PEERFILES, arg); + ppp_script_setenv("CALL_FILE", arg, 0); - ok = options_from_file(fname, 1, 1, 1); + ok = ppp_options_from_file(fname, 1, 1, 1); free(fname); return ok; } -#ifdef PPP_FILTER +#ifdef PPP_WITH_FILTER /* * setpassfilter - Set the pass filter for packets */ @@ -1470,7 +1656,7 @@ setpassfilter(char **argv) pc = pcap_open_dead(DLT_PPP_PPPD, 65535); if (pcap_compile(pc, &pass_filter, *argv, 1, netmask) == -1) { - option_error("error in pass-filter expression: %s\n", + ppp_option_error("error in pass-filter expression: %s\n", pcap_geterr(pc)); ret = 0; } @@ -1490,7 +1676,7 @@ setactivefilter(char **argv) pc = pcap_open_dead(DLT_PPP_PPPD, 65535); if (pcap_compile(pc, &active_filter, *argv, 1, netmask) == -1) { - option_error("error in active-filter expression: %s\n", + ppp_option_error("error in active-filter expression: %s\n", pcap_geterr(pc)); ret = 0; } @@ -1525,7 +1711,7 @@ setlogfile(char **argv) euid = geteuid(); if (!privileged_option && seteuid(getuid()) == -1) { - option_error("unable to drop permissions to open %s: %m", *argv); + ppp_option_error("unable to drop permissions to open %s: %m", *argv); return 0; } fd = open(*argv, O_WRONLY | O_APPEND | O_CREAT | O_EXCL, 0644); @@ -1536,7 +1722,7 @@ setlogfile(char **argv) fatal("unable to regain privileges: %m"); if (fd < 0) { errno = err; - option_error("Can't open log file %s: %m", *argv); + ppp_option_error("Can't open log file %s: %m", *argv); return 0; } strlcpy(logfile_name, *argv, sizeof(logfile_name)); @@ -1548,7 +1734,6 @@ setlogfile(char **argv) return 1; } -#ifdef MAXOCTETS static int setmodir(char **argv) { @@ -1565,9 +1750,8 @@ setmodir(char **argv) } return 1; } -#endif -#ifdef PLUGIN +#ifdef PPP_WITH_PLUGINS static int loadplugin(char **argv) { @@ -1579,7 +1763,7 @@ loadplugin(char **argv) const char *vers; if (strchr(arg, '/') == 0) { - const char *base = _PATH_PLUGIN; + const char *base = PPP_PATH_PLUGIN; int l = strlen(base) + strlen(arg) + 2; path = malloc(l); if (path == 0) @@ -1592,20 +1776,20 @@ loadplugin(char **argv) if (handle == 0) { err = dlerror(); if (err != 0) - option_error("%s", err); - option_error("Couldn't load plugin %s", arg); + ppp_option_error("%s", err); + ppp_option_error("Couldn't load plugin %s", arg); goto err; } init = (void (*)(void))dlsym(handle, "plugin_init"); if (init == 0) { - option_error("%s has no initialization entry point", arg); + ppp_option_error("%s has no initialization entry point", arg); goto errclose; } vers = (const char *) dlsym(handle, "pppd_version"); if (vers == 0) { warn("Warning: plugin %s has no version information", arg); } else if (strcmp(vers, VERSION) != 0) { - option_error("Plugin %s is for pppd version %s, this is %s", + ppp_option_error("Plugin %s is for pppd version %s, this is %s", arg, vers, VERSION); goto errclose; } @@ -1620,7 +1804,7 @@ loadplugin(char **argv) free(path); return 0; } -#endif /* PLUGIN */ +#endif /* PPP_WITH_PLUGINS */ /* * Set an environment variable specified by the user. @@ -1633,11 +1817,11 @@ user_setenv(char **argv) struct userenv *uep, **insp; if ((eqp = strchr(arg, '=')) == NULL) { - option_error("missing = in name=value: %s", arg); + ppp_option_error("missing = in name=value: %s", arg); return 0; } if (eqp == arg) { - option_error("missing variable name: %s", arg); + ppp_option_error("missing variable name: %s", arg); return 0; } for (uep = userenv_list; uep != NULL; uep = uep->ue_next) { @@ -1678,7 +1862,7 @@ user_setenv(char **argv) } static void -user_setprint(option_t *opt, printer_func printer, void *arg) +user_setprint(struct option *opt, printer_func printer, void *arg) { struct userenv *uep, *uepnext; @@ -1704,11 +1888,11 @@ user_unsetenv(char **argv) char *arg = argv[0]; if (strchr(arg, '=') != NULL) { - option_error("unexpected = in name: %s", arg); + ppp_option_error("unexpected = in name: %s", arg); return 0; } if (*arg == '\0') { - option_error("missing variable name for unset"); + ppp_option_error("missing variable name for unset"); return 0; } for (uep = userenv_list; uep != NULL; uep = uep->ue_next) { @@ -1746,7 +1930,7 @@ user_unsetenv(char **argv) } static void -user_unsetprint(option_t *opt, printer_func printer, void *arg) +user_unsetprint(struct option *opt, printer_func printer, void *arg) { struct userenv *uep, *uepnext;