X-Git-Url: https://git.ozlabs.org/?p=ppp.git;a=blobdiff_plain;f=pppd%2Foptions.c;fp=pppd%2Foptions.c;h=f2ff59d85380cbeb339910628aff9ff706e94c8d;hp=cea09e39f05a4ef28032fffe1394f8818aa96b96;hb=ba7f7e053daae846a54a1d08d3d133a5f1266ace;hpb=76016e1b948b7d9675b4e0750d1f943d96d9523b diff --git a/pppd/options.c b/pppd/options.c index cea09e3..f2ff59d 100644 --- a/pppd/options.c +++ b/pppd/options.c @@ -77,7 +77,9 @@ #endif #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) @@ -97,7 +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 */ @@ -110,7 +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 */ @@ -140,11 +140,11 @@ 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 */ -extern option_t auth_options[]; +extern struct option auth_options[]; extern struct stat devstat; #ifdef PPP_WITH_FILTER @@ -152,7 +152,7 @@ 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 */ @@ -186,20 +186,20 @@ static int setactivefilter(char **); static int setmodir(char **); 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; }; @@ -208,7 +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, @@ -395,6 +395,104 @@ option_t general_options[] = { #define IMPLEMENTATION "" #endif +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. @@ -403,7 +501,7 @@ int parse_args(int argc, char **argv) { char *arg; - option_t *opt; + struct option *opt; int n; privileged_option = privileged; @@ -414,13 +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)) @@ -436,11 +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; @@ -450,7 +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"); @@ -464,7 +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; } @@ -478,14 +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; @@ -526,7 +624,7 @@ options_from_user(void) 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; } @@ -561,7 +659,7 @@ options_for_tty(void) 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; } @@ -573,7 +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; @@ -584,7 +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; } @@ -593,7 +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; @@ -611,10 +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); @@ -631,10 +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; @@ -665,7 +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; @@ -674,7 +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) @@ -685,7 +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; } @@ -696,22 +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; } @@ -733,7 +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)) @@ -741,15 +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; } @@ -766,7 +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; } } @@ -863,7 +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) @@ -882,7 +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; @@ -892,7 +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; @@ -918,7 +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; @@ -980,8 +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) { @@ -1017,7 +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 @@ -1055,7 +1153,7 @@ static void usage(void) { FILE *fp = stderr; - if (phase == PHASE_INITIALIZE) { + 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"); @@ -1089,7 +1187,7 @@ usage(void) static int showhelp(char **argv) { - if (phase == PHASE_INITIALIZE) { + if (in_phase(PHASE_INITIALIZE)) { usage(); exit(0); } @@ -1102,7 +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); } @@ -1113,9 +1211,9 @@ showversion(char **argv) * 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, ...) +showopts_list(FILE *fp, const char *title, struct option *list, ...) { - option_t *opt = list; + struct option *opt = list; va_list varg; if (opt && opt->name) { @@ -1165,12 +1263,12 @@ showopts(void) } /* - * option_error - print a message about an error in an option. + * 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]; @@ -1178,7 +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); } @@ -1425,7 +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); } /* @@ -1435,7 +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); } @@ -1443,7 +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; } @@ -1465,7 +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; } @@ -1479,7 +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; @@ -1500,7 +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); } /* @@ -1530,7 +1628,7 @@ 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; } @@ -1538,9 +1636,9 @@ callfile(char **argv) if ((fname = (char *) malloc(l)) == NULL) novm("call file name"); slprintf(fname, l, "%s%s", PPP_PATH_PEERFILES, arg); - script_setenv("CALL_FILE", arg, 0); + 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; @@ -1558,7 +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; } @@ -1578,7 +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; } @@ -1613,7 +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); @@ -1624,7 +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)); @@ -1678,20 +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; } @@ -1719,11 +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) { @@ -1764,7 +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; @@ -1790,11 +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) { @@ -1832,7 +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;