diff options
Diffstat (limited to 'REORG.TODO/resolv/res_data.c')
| -rw-r--r-- | REORG.TODO/resolv/res_data.c | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/REORG.TODO/resolv/res_data.c b/REORG.TODO/resolv/res_data.c new file mode 100644 index 0000000000..569ff4c0ea --- /dev/null +++ b/REORG.TODO/resolv/res_data.c @@ -0,0 +1,191 @@ +/* + * Copyright (c) 1995-1999 by Internet Software Consortium. + * + * 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 INTERNET SOFTWARE CONSORTIUM DISCLAIMS + * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE + * CONSORTIUM 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/param.h> +#include <sys/socket.h> +#include <sys/time.h> + +#include <netinet/in.h> +#include <arpa/inet.h> +#include <arpa/nameser.h> + +#include <ctype.h> +#include <netdb.h> +#include <resolv.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +const char *_res_opcodes[] = { + "QUERY", + "IQUERY", + "CQUERYM", + "CQUERYU", /* experimental */ + "NOTIFY", /* experimental */ + "UPDATE", + "6", + "7", + "8", + "9", + "10", + "11", + "12", + "13", + "ZONEINIT", + "ZONEREF", +}; +libresolv_hidden_data_def (_res_opcodes) + +void +p_query(const u_char *msg) { + fp_query(msg, stdout); +} + +void +fp_query(const u_char *msg, FILE *file) { + fp_nquery(msg, PACKETSZ, file); +} +libresolv_hidden_def (fp_query) + +void +fp_nquery(const u_char *msg, int len, FILE *file) { + if (__res_maybe_init (&_res, 0) == -1) + return; + + res_pquery(&_res, msg, len, file); +} +libresolv_hidden_def (fp_nquery) + +int +res_mkquery(int op, /* opcode of query */ + const char *dname, /* domain name */ + int class, int type, /* class and type of query */ + const u_char *data, /* resource record data */ + int datalen, /* length of data */ + const u_char *newrr_in, /* new rr for modify or append */ + u_char *buf, /* buffer to put query */ + int buflen) /* size of buffer */ +{ + if (__res_maybe_init (&_res, 1) == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + return (res_nmkquery(&_res, op, dname, class, type, + data, datalen, + newrr_in, buf, buflen)); +} + +int +res_query(const char *name, /* domain name */ + int class, int type, /* class and type of query */ + u_char *answer, /* buffer to put answer */ + int anslen) /* size of answer buffer */ +{ + if (__res_maybe_init (&_res, 1) == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + return (res_nquery(&_res, name, class, type, answer, anslen)); +} + +int +res_isourserver(const struct sockaddr_in *inp) { + return (res_ourserver_p(&_res, (const struct sockaddr_in6 *) inp)); +} + +int +res_send(const u_char *buf, int buflen, u_char *ans, int anssiz) { + if (__res_maybe_init (&_res, 1) == -1) { + /* errno should have been set by res_init() in this case. */ + return (-1); + } + + return (res_nsend(&_res, buf, buflen, ans, anssiz)); +} + + +void +res_close(void) { + /* + * Some stupid programs out there call res_close() before res_init(). + * Since _res._vcsock isn't explicitly initialized, these means that + * we could do a close(0), which might lead to some security problems. + * Therefore we check if res_init() was called before by looking at + * the RES_INIT bit in _res.options. If it hasn't been set we bail out + * early. */ + if ((_res.options & RES_INIT) == 0) + return; + /* We don't free the name server addresses because we never + did it and it would be done implicitly on shutdown. */ + __res_iclose(&_res, false); +} + +int +res_search(const char *name, /* domain name */ + int class, int type, /* class and type of query */ + u_char *answer, /* buffer to put answer */ + int anslen) /* size of answer */ +{ + if (__res_maybe_init (&_res, 1) == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + + return (res_nsearch(&_res, name, class, type, answer, anslen)); +} + +int +res_querydomain(const char *name, + const char *domain, + int class, int type, /* class and type of query */ + u_char *answer, /* buffer to put answer */ + int anslen) /* size of answer */ +{ + if (__res_maybe_init (&_res, 1) == -1) { + RES_SET_H_ERRNO(&_res, NETDB_INTERNAL); + return (-1); + } + + return (res_nquerydomain(&_res, name, domain, + class, type, + answer, anslen)); +} + +const char * +hostalias(const char *name) { + static char abuf[MAXDNAME]; + + return (res_hostalias(&_res, name, abuf, sizeof abuf)); +} +libresolv_hidden_def (hostalias) + + + +#include <shlib-compat.h> + +#if SHLIB_COMPAT(libresolv, GLIBC_2_0, GLIBC_2_2) +# undef res_mkquery +# undef res_query +# undef res_querydomain +# undef res_search +weak_alias (__res_mkquery, res_mkquery); +weak_alias (__res_query, res_query); +weak_alias (__res_querydomain, res_querydomain); +weak_alias (__res_search, res_search); +#endif |