diff options
Diffstat (limited to 'usr.sbin/hostatectl/parser.c')
| -rw-r--r-- | usr.sbin/hostatectl/parser.c | 237 |
1 files changed, 0 insertions, 237 deletions
diff --git a/usr.sbin/hostatectl/parser.c b/usr.sbin/hostatectl/parser.c deleted file mode 100644 index 43703a6622b..00000000000 --- a/usr.sbin/hostatectl/parser.c +++ /dev/null @@ -1,237 +0,0 @@ -/* $OpenBSD: parser.c,v 1.4 2006/12/16 18:50:33 reyk Exp $ */ - -/* - * Copyright (c) 2006 Pierre-Yves Ritschard <pyr@spootnik.org> - * Copyright (c) 2004 Esben Norby <norby@openbsd.org> - * Copyright (c) 2003, 2004 Henning Brauer <henning@openbsd.org> - * - * Permission to use, copy, modify, and distribute this software for any - * purpose with or without fee is hereby granted, provided that the above - * copyright notice and this permission notice appear in all copies. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES - * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF - * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR - * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN - * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF - * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - */ - -#include <sys/types.h> -#include <sys/socket.h> -#include <sys/queue.h> -#include <netinet/in.h> -#include <net/if.h> -#include <arpa/inet.h> -#include <err.h> -#include <errno.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <event.h> - -#include "hostated.h" - -#include "parser.h" - -enum token_type { - NOTOKEN, - ENDTOKEN, - HOSTID, - TABLEID, - SERVICEID, - KEYWORD -}; - -struct token { - enum token_type type; - const char *keyword; - int value; - const struct token *next; -}; - -static const struct token t_main[]; -static const struct token t_service[]; -static const struct token t_table[]; -static const struct token t_host[]; -static const struct token t_service_id[]; -static const struct token t_table_id[]; -static const struct token t_host_id[]; - -static const struct token t_main[] = { - {KEYWORD, "show", SHOW_SUM, NULL}, - {KEYWORD, "stop", SHUTDOWN, NULL}, - {KEYWORD, "service", NULL, t_service}, - {KEYWORD, "table", NULL, t_table}, - {KEYWORD, "host", NULL, t_host}, - {ENDTOKEN, "", NONE, NULL} -}; - -static const struct token t_service[] = { - {NOTOKEN, "", NONE, NULL}, - {KEYWORD, "disable", SERV_DISABLE, t_service_id}, - {KEYWORD, "enable", SERV_ENABLE, t_service_id}, - {ENDTOKEN, "", NONE, NULL} -}; - -static const struct token t_table[] = { - {NOTOKEN, "", NONE, NULL}, - {KEYWORD, "disable", TABLE_DISABLE, t_table_id}, - {KEYWORD, "enable", TABLE_ENABLE, t_table_id}, - {ENDTOKEN, "", NONE, NULL} -}; - -static const struct token t_host[] = { - {NOTOKEN, "", NONE, NULL}, - {KEYWORD, "disable", HOST_DISABLE, t_host_id}, - {KEYWORD, "enable", HOST_ENABLE, t_host_id}, - {ENDTOKEN, "", NONE, NULL} -}; - -static const struct token t_service_id[] = { - {SERVICEID, "", NONE, NULL}, - {ENDTOKEN, "", NONE, NULL} -}; - -static const struct token t_table_id[] = { - {TABLEID, "", NONE, NULL}, - {ENDTOKEN, "", NONE, NULL} -}; - -static const struct token t_host_id[] = { - {HOSTID, "", NONE, NULL}, - {ENDTOKEN, "", NONE, NULL} -}; - -static struct parse_result res; - -struct parse_result * -parse(int argc, char *argv[]) -{ - const struct token *table = t_main; - const struct token *match; - - bzero(&res, sizeof(res)); - - while (argc > 0) { - if ((match = match_token(argv[0], table)) == NULL) { - fprintf(stderr, "valid commands/args:\n"); - show_valid_args(table); - return (NULL); - } - - argc--; - argv++; - - if (match->type == NOTOKEN || match->next == NULL) - break; - - table = match->next; - } - - if (argc > 0) { - fprintf(stderr, "superfluous argument: %s\n", argv[0]); - return (NULL); - } - - return (&res); -} - -const struct token * -match_token(const char *word, const struct token table[]) -{ - u_int i, match; - const struct token *t = NULL; - const char *errstr; - - match = 0; - - for (i = 0; table[i].type != ENDTOKEN; i++) { - switch (table[i].type) { - case NOTOKEN: - if (word == NULL || strlen(word) == 0) { - match++; - t = &table[i]; - } - break; - case KEYWORD: - if (word != NULL && strncmp(word, table[i].keyword, - strlen(word)) == 0) { - match++; - t = &table[i]; - if (t->value) - res.action = t->value; - } - break; - case HOSTID: - res.id.id = strtonum(word, 0, UINT_MAX, &errstr); - if (errstr) { - strlcpy(res.id.name, word, sizeof(res.id.name)); - res.id.id = EMPTY_ID; - } - t = &table[i]; - match++; - break; - case TABLEID: - res.id.id = strtonum(word, 0, UINT_MAX, &errstr); - if (errstr) { - strlcpy(res.id.name, word, sizeof(res.id.name)); - res.id.id = EMPTY_ID; - } - t = &table[i]; - match++; - break; - case SERVICEID: - res.id.id = strtonum(word, 0, UINT_MAX, &errstr); - if (errstr) { - strlcpy(res.id.name, word, sizeof(res.id.name)); - res.id.id = EMPTY_ID; - } - t = &table[i]; - match++; - break; - case ENDTOKEN: - break; - } - } - - if (match != 1) { - if (match > 1) - fprintf(stderr, "ambiguous argument: %s\n", word); - if (match < 1) - fprintf(stderr, "unknown argument: %s\n", word); - return (NULL); - } - - return (t); -} - -void -show_valid_args(const struct token table[]) -{ - int i; - - for (i = 0; table[i].type != ENDTOKEN; i++) { - switch (table[i].type) { - case NOTOKEN: - fprintf(stderr, " <cr>\n"); - break; - case KEYWORD: - fprintf(stderr, " %s\n", table[i].keyword); - break; - case SERVICEID: - fprintf(stderr, " <serviceid>\n"); - break; - case TABLEID: - fprintf(stderr, " <tableid>\n"); - break; - case HOSTID: - fprintf(stderr, " <hostid>\n"); - break; - case ENDTOKEN: - break; - } - } -} |