X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=pppd%2Foptions.c;h=cea09e39f05a4ef28032fffe1394f8818aa96b96;hb=76016e1b948b7d9675b4e0750d1f943d96d9523b;hp=ffd9015b2813b622315761a7a2545be8326fb323;hpb=80b8744eb42c7493794f3e3fe0bf1ce14f53e6dd;p=ppp.git diff --git a/pppd/options.c b/pppd/options.c index ffd9015..cea09e3 100644 --- a/pppd/options.c +++ b/pppd/options.c @@ -54,11 +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 @@ -73,7 +75,7 @@ #define DLT_PPP_PPPD DLT_PPP #endif #endif -#endif /* PPP_FILTER */ +#endif /* PPP_WITH_FILTER */ #include "pppd.h" #include "pathnames.h" @@ -125,6 +127,7 @@ 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 */ @@ -136,17 +139,15 @@ char path_ipv6up[MAXPATHLEN]; /* pathname of ipv6-up script */ char path_ipv6down[MAXPATHLEN]; /* pathname of ipv6-down script */ #endif -#ifdef MAXOCTETS unsigned int maxoctets = 0; /* default - no limit */ int maxoctets_dir = 0; /* default - sum of traffic */ int maxoctets_timeout = 1; /* default 1 second */ -#endif extern option_t 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 @@ -173,18 +174,16 @@ 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 *); @@ -265,6 +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, @@ -344,7 +347,7 @@ option_t general_options[] = { OPT_PRIV|OPT_STATIC, NULL, MAXPATHLEN }, #endif -#ifdef HAVE_MULTILINK +#ifdef PPP_WITH_MULTILINK { "multilink", o_bool, &multilink, "Enable multilink operation", OPT_PRIO | 1 }, { "mp", o_bool, &multilink, @@ -356,14 +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 }, @@ -371,7 +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 }, @@ -382,7 +384,6 @@ 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 }, @@ -394,23 +395,6 @@ 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\ -"; /* * parse_args - parse a string of arguments from the command line. @@ -535,7 +519,7 @@ 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) @@ -567,13 +551,13 @@ 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; @@ -1070,8 +1054,33 @@ 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 (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"); + } } /* @@ -1100,6 +1109,61 @@ showversion(char **argv) return 0; } +/* + * Print a set of options including the name of the group of options + */ +static void +showopts_list(FILE *fp, const char *title, option_t *list, ...) +{ + option_t *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); + } + } +} + /* * option_error - print a message about an error in an option. * The message is logged, and also sent to @@ -1470,10 +1534,10 @@ callfile(char **argv) 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); script_setenv("CALL_FILE", arg, 0); ok = options_from_file(fname, 1, 1, 1); @@ -1482,7 +1546,7 @@ callfile(char **argv) return ok; } -#ifdef PPP_FILTER +#ifdef PPP_WITH_FILTER /* * setpassfilter - Set the pass filter for packets */ @@ -1572,7 +1636,6 @@ setlogfile(char **argv) return 1; } -#ifdef MAXOCTETS static int setmodir(char **argv) { @@ -1589,9 +1652,8 @@ setmodir(char **argv) } return 1; } -#endif -#ifdef PLUGIN +#ifdef PPP_WITH_PLUGINS static int loadplugin(char **argv) { @@ -1603,7 +1665,7 @@ 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) @@ -1644,7 +1706,7 @@ loadplugin(char **argv) free(path); return 0; } -#endif /* PLUGIN */ +#endif /* PPP_WITH_PLUGINS */ /* * Set an environment variable specified by the user.