diff options
Diffstat (limited to 'adns-0.6/client/adh-opts.c')
-rw-r--r-- | adns-0.6/client/adh-opts.c | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/adns-0.6/client/adh-opts.c b/adns-0.6/client/adh-opts.c deleted file mode 100644 index 46d5606..0000000 --- a/adns-0.6/client/adh-opts.c +++ /dev/null @@ -1,337 +0,0 @@ -/* - * adh-opts.c - * - useful general-purpose resolver client program - * option handling tables etc. - */ -/* - * This file is - * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk> - * - * It is part of adns, which is - * Copyright (C) 1997-1999 Ian Jackson <ian@davenant.greenend.org.uk> - * Copyright (C) 1999 Tony Finch <dot@dotat.at> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software Foundation, - * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - */ - -#include "adnshost.h" - -int ov_env=1, ov_pipe=0, ov_asynch=0; -int ov_verbose= 0; -adns_rrtype ov_type= adns_r_none; -int ov_search=0, ov_qc_query=0, ov_qc_anshost=0, ov_qc_cname=1; -int ov_tcp=0, ov_cname=0, ov_format=fmt_default; -char *ov_id= 0; -struct perqueryflags_remember ov_pqfr = { 1,1,1, tm_none }; - -static const struct optioninfo global_options[]= { - { ot_desconly, "global binary options:" }, - { ot_flag, "Do not look at environment variables at all", - "e", "env", &ov_env, 0 }, - { ot_flag, "Read queries on stdin instead of using args", - "f", "pipe", &ov_pipe, 1 }, - { ot_flag, "Allow answers to be reordered", - "a", "asynch", &ov_asynch, 1 }, - - { ot_desconly, "answer/error output format and destination (see below):" }, - { ot_value, "Answers to stdout, errors as messages to stderr (default)", - "Fs", "fmt-simple", &ov_format, fmt_simple }, - { ot_value, "Answers and errors both to stdout in parseable format", - "Fi", "fmt-inline", &ov_format, fmt_inline }, - { ot_value, "Fully-parseable output format (default for --asynch)", - "Fa", "fmt-asynch", &ov_format, fmt_asynch }, - - { ot_desconly, "global verbosity level:" }, - { ot_value, "Do not print anything to stderr", - "Vq", "quiet", &ov_verbose, adns_if_noerrprint }, - { ot_value, "Report unexpected kinds of problem only (default)", - "Vn", "no-quiet", &ov_verbose, 0 }, - { ot_value, "Debugging mode", - "Vd", "debug", &ov_verbose, adns_if_debug }, - - { ot_desconly, "other global options:" }, - { ot_func, "Print usage information", - 0, "help", 0,0, of_help }, - - { ot_end } -}; - -static const struct optioninfo perquery_options[]= { - { ot_desconly, "per-query options:" }, - { ot_funcarg, "Query type (see below)", - "t", "type", 0,0, &of_type, "type" }, - { ot_funcarg, "Do reverse query (address -> name lookup)", - "i", "ptr", 0,0, &of_ptr, "addr" }, - - { ot_desconly, "per-query binary options:" }, - { ot_flag, "Use the search list", - "s", "search", &ov_search, 1 }, - { ot_flag, "Let query domains contain quote-requiring chars", - "Qq", "qc-query", &ov_qc_query, 1 }, - { ot_flag, "Let hostnames in answers contain ...", - "Qa", "qc-anshost", &ov_qc_anshost, 1 }, - { ot_flag, "Prevent CNAME target domains from containing ...", - "Qc", "qc-cname", &ov_qc_cname, 0 }, - { ot_flag, "Force use of a virtual circuit", - "u", "tcp", &ov_tcp, 1 }, - { ot_flag, "Do not display owner name in output", - "Do", "show-owner", &ov_pqfr.show_owner, 0 }, - { ot_flag, "Do not display RR type in output", - "Dt", "show-type", &ov_pqfr.show_type, 0 }, - { ot_flag, "Do not display CNAME target in output", - "Dc", "show-cname", &ov_pqfr.show_cname, 0 }, - - { ot_desconly, "per-query TTL mode (NB TTL is minimum across all info in reply):" }, - { ot_value, "Show the TTL as a TTL", - "Tt", "ttl-ttl", &ov_pqfr.ttl, tm_rel }, - { ot_value, "Show the TTL as a time_t when the data might expire", - "Ta", "ttl-abs", &ov_pqfr.ttl, tm_abs }, - { ot_value, "Do not show the TTL (default)", - "Tn", "no-ttl", &ov_pqfr.ttl, tm_none }, - - { ot_desconly, "per-query CNAME handling mode:" }, - { ot_value, "Call it an error if a CNAME is found", - "Cf", "cname-reject", &ov_cname, adns_qf_cname_forbid }, - { ot_value, "Allow references to CNAMEs in other RRs", - "Cl", "cname-loose", &ov_cname, adns_qf_cname_loose }, - { ot_value, "CNAME ok for query domain, but not in RRs (default)", - "Cs", "cname-ok", &ov_cname, 0 }, - - { ot_desconly, "asynchronous/pipe mode options:" }, - { ot_funcarg, "Set <id>, default is decimal sequence starting 0", - 0, "asynch-id", 0,0, &of_asynch_id, "id" }, - { ot_funcarg, "Cancel the query with id <id> (no error if not found)", - 0, "cancel-id", 0,0, &of_cancel_id, "id" }, - - { ot_end } -}; - -static void printusage(void) { - static const struct optioninfo *const all_optiontables[]= { - global_options, perquery_options, 0 - }; - - const struct optioninfo *const *oiap, *oip=0; - int maxsopt, maxlopt, l; - - maxsopt= maxlopt= 0; - - for (oiap=all_optiontables; *oiap; oiap++) { - for (oip=*oiap; oip->type != ot_end; oip++) { - if (oip->type == ot_funcarg) continue; - if (oip->sopt) { l= strlen(oip->sopt); if (l>maxsopt) maxsopt= l; } - if (oip->lopt) { - l= strlen(oip->lopt); - if (oip->type == ot_flag && !oip->value) l+= 3; - if (l>maxlopt) maxlopt= l; - } - } - } - - fputs("usage: adnshost [global-opts] [query-opts] query-domain\n" - " [[query-opts] query-domain ...]\n" - " adnshost [global-opts] [query-opts] -f|--pipe\n", - stdout); - - for (oiap=all_optiontables; *oiap; oiap++) { - putchar('\n'); - for (oip=*oiap; oip->type != ot_end; oip++) { - switch (oip->type) { - case ot_flag: - if (!oip->value) { - if (oip->sopt) { - printf(" +%-*s --no-%-*s %s\n", - maxsopt, oip->sopt, - maxlopt-2, oip->lopt, - oip->desc); - } else { - printf(" --no-%-*s %s\n", - maxlopt+maxsopt+1, oip->lopt, - oip->desc); - } - break; - } - case ot_value: case ot_func: /* fall through */ - if (oip->sopt) { - printf(" -%-*s --%-*s %s\n", - maxsopt, oip->sopt, - maxlopt+1, oip->lopt, - oip->desc); - } else { - printf(" --%-*s %s\n", - maxlopt+maxsopt+3, oip->lopt, - oip->desc); - } - break; - case ot_funcarg: - if (oip->sopt) { - l= (maxlopt + maxsopt - 9 - - (strlen(oip->sopt) + strlen(oip->lopt) + 2*strlen(oip->argdesc))); - printf(" -%s<%s> / --%s <%s>%*s%s\n", - oip->sopt, oip->argdesc, oip->lopt, oip->argdesc, - l>2 ? l : 2, "", - oip->desc); - } else { - l= (maxlopt + maxsopt + 1 - - (strlen(oip->lopt) + strlen(oip->argdesc))); - printf(" --%s <%s>%*s%s\n", - oip->lopt, oip->argdesc, - l>2 ? l : 2, "", - oip->desc); - } - break; - case ot_desconly: - printf("%s\n", oip->desc); - break; - default: - abort(); - } - } - } - - printf("\nEscaping domains which might start with `-':\n" - " - %-*s Next argument is a domain, but more options may follow\n", - maxlopt+maxsopt+3, "<domain>"); - - fputs("\n" - "Query domains should always be quoted according to master file format.\n" - "\n" - "For binary options, --FOO and --no-FOO are opposites, as are\n" - "-X and +X. In each case the default is the one not listed.\n" - "Per query options stay set a particular way until they are reset,\n" - "whether they appear on the command line or on stdin.\n" - "All global options must preceed the first query domain.\n" - "\n" - "With -f, the input should be lines with either an option, possibly\n" - "with a value argument (separated from the option by a space if it's a long\n" - "option), or a domain (possibly preceded by a hyphen and a space to\n" - "distinguish it from an option).\n" - "\n" - "Output format is master file format without class or TTL by default:\n" - " [<owner>] [<ttl>] [<type>] <data>\n" - "or if the <owner> domain refers to a CNAME and --show-cname is on\n" - " [<owner>] [<ttl>] CNAME <cname>\n" - " [<cname>] [<ttl>] <type> <data>\n" - "When a query fails you get an error message to stderr (with --fmt-simple).\n" - "Specify --fmt-inline for lines like this (broken here for readability):\n" - " ; failed <statustype> <statusnum> <statusabbrev> \\\n" - " [<owner>] [<ttl>] [<cname>] \"<status string>\"\n" - "If you use --fmt-asynch, which is the default for --asynch,\n" - "each answer (success or failure) is preceded by a line\n" - " <id> <nrrs> <statustype> <statusnum> <statusabbrev> \\\n" - " [<owner>] [<ttl>] [<cname>] \"<status string>\"\n" - "where <nrrs> is the number of RRs that follow and <cname> will be `$' or\n" - "the CNAME target; the CNAME indirection and error formats above are not used.\n" - "\n" - "Exit status:\n" - " 0 all went well\n" - " 1-6 at least one query failed with statustype:\n" - " 1 localfail )\n" - " 2 remotefail ) temporary errors\n" - " 3 tempfail __)_________________\n" - " 4 misconfig )\n" - " 5 misquery ) permanent errors\n" - " 6 permfail )\n" - " 10 system trouble\n" - " 11 usage problems\n" - "\n" - "Query types (see adns.h; default is addr):\n" - " ns soa ptr mx rp addr - enhanced versions\n" - " cname hinfo txt - types with only one version\n" - " a ns- soa- ptr- mx- rp- - _raw versions\n" - "Default is addr, or ptr for -i/--ptr queries\n", - stdout); - if (ferror(stdout)) sysfail("write usage message",errno); -} - -void of_help(const struct optioninfo *oi, const char *arg) { - printusage(); - if (fclose(stdout)) sysfail("finish writing output",errno); - exit(0); -} - -typedef int comparer_type(const char **optp, const struct optioninfo *entry); - -static int oc_long(const char **optp, const struct optioninfo *entry) { - return entry->lopt && !strcmp(*optp,entry->lopt); -} - -static int oc_short(const char **optp, const struct optioninfo *entry) { - const char *sopt; - int l; - - sopt= entry->sopt; - if (!sopt) return 0; - l= strlen(sopt); - if (memcmp(*optp,sopt,l)) return 0; - (*optp) += l; - return 1; -} - -static const struct optioninfo *find1(const char **optp, - const struct optioninfo *table, - comparer_type *comparer) { - for (;;) { - if (table->type == ot_end) return 0; - if (comparer(optp,table)) return table; - table++; - } -} - -static const struct optioninfo *find(const char **optp, - const char *prefix, - comparer_type *comparer) { - const struct optioninfo *oip; - const char *opt; - - opt= *optp; - oip= find1(optp,perquery_options,comparer); - if (oip) return oip; - oip= find1(optp,global_options,comparer); - if (!oip) usageerr("unknown option %s%s",prefix,opt); - if (ads) usageerr("global option %s%s specified after query domain(s)",prefix,opt); - return oip; -} - -const struct optioninfo *opt_findl(const char *opt) { return find(&opt,"--",oc_long); } -const struct optioninfo *opt_finds(const char **optp) { return find(optp,"-",oc_short); } - -static void noninvert(const struct optioninfo *oip) NONRETURNING; -static void noninvert(const struct optioninfo *oip) { - usageerr("option %s%s%s%s%s may not be inverted", - oip->sopt ? "-" : "", oip->sopt ? oip->sopt : "", - oip->lopt && oip->sopt ? " / " : "", - oip->lopt ? "--" : "", oip->lopt ? oip->lopt : ""); -} - -void opt_do(const struct optioninfo *oip, const char *arg, int invert) { - switch (oip->type) { - case ot_flag: - assert(!arg); - *oip->storep= !invert; - return; - case ot_value: - assert(!arg); - if (invert) noninvert(oip); - *oip->storep= oip->value; - return; - case ot_func: case ot_funcarg: - if (invert) noninvert(oip); - oip->func(oip,arg); - return; - default: - abort(); - } -} |