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Diffstat (limited to 'lib/bind/irs/getnetgrent_r.c')
| -rw-r--r-- | lib/bind/irs/getnetgrent_r.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/lib/bind/irs/getnetgrent_r.c b/lib/bind/irs/getnetgrent_r.c new file mode 100644 index 0000000..261d9b7 --- /dev/null +++ b/lib/bind/irs/getnetgrent_r.c @@ -0,0 +1,178 @@ +/* + * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") + * Copyright (c) 1998-1999 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 ISC DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC 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. + */ + +#if defined(LIBC_SCCS) && !defined(lint) +static const char rcsid[] = "$Id: getnetgrent_r.c,v 1.7.18.4 2005/09/03 12:45:15 marka Exp $"; +#endif /* LIBC_SCCS and not lint */ + +#include <port_before.h> +#if !defined(_REENTRANT) || !defined(DO_PTHREADS) + static int getnetgrent_r_not_required = 0; +#else +#include <errno.h> +#include <string.h> +#include <stdio.h> +#include <sys/types.h> +#include <netinet/in.h> +#include <netdb.h> +#include <stdlib.h> +#include <port_after.h> + +#ifdef NGR_R_RETURN + +static NGR_R_RETURN +copy_protoent(char **, char **, char **, const char *, const char *, + const char *, NGR_R_COPY_ARGS); + +NGR_R_RETURN +innetgr_r(const char *netgroup, const char *host, const char *user, + const char *domain) { + char *ng, *ho, *us, *dom; + + DE_CONST(netgroup, ng); + DE_CONST(host, ho); + DE_CONST(user, us); + DE_CONST(domain, dom); + + return (innetgr(ng, ho, us, dom)); +} + +/*% + * These assume a single context is in operation per thread. + * If this is not the case we will need to call irs directly + * rather than through the base functions. + */ + +NGR_R_RETURN +getnetgrent_r(char **machinep, char **userp, char **domainp, NGR_R_ARGS) { + char *mp, *up, *dp; + int res = getnetgrent(&mp, &up, &dp); + + if (res != 1) + return (res); + + return (copy_protoent(machinep, userp, domainp, + mp, up, dp, NGR_R_COPY)); +} + +NGR_R_SET_RETURN +#ifdef NGR_R_ENT_ARGS +setnetgrent_r(const char *netgroup, NGR_R_ENT_ARGS) +#else +setnetgrent_r(const char *netgroup) +#endif +{ + char *tmp; +#if defined(NGR_R_ENT_ARGS) && !defined(NGR_R_PRIVATE) + UNUSED(buf); + UNUSED(buflen); +#endif + + DE_CONST(netgroup, tmp); + setnetgrent(tmp); + +#ifdef NGR_R_PRIVATE + *buf = NULL; +#endif +#ifdef NGR_R_SET_RESULT + return (NGR_R_SET_RESULT); +#endif +} + +NGR_R_END_RETURN +#ifdef NGR_R_ENT_ARGS +endnetgrent_r(NGR_R_ENT_ARGS) +#else +endnetgrent_r(void) +#endif +{ +#if defined(NGR_R_ENT_ARGS) && !defined(NGR_R_PRIVATE) + UNUSED(buf); + UNUSED(buflen); +#endif + + endnetgrent(); +#ifdef NGR_R_PRIVATE + if (*buf != NULL) + free(*buf); + *buf = NULL; +#endif + NGR_R_END_RESULT(NGR_R_OK); +} + +/* Private */ + +static int +copy_protoent(char **machinep, char **userp, char **domainp, + const char *mp, const char *up, const char *dp, + NGR_R_COPY_ARGS) { + char *cp; + int n; + int len; + + /* Find out the amount of space required to store the answer. */ + len = 0; + if (mp != NULL) len += strlen(mp) + 1; + if (up != NULL) len += strlen(up) + 1; + if (dp != NULL) len += strlen(dp) + 1; + +#ifdef NGR_R_PRIVATE + free(*buf); + *buf = malloc(len); + if (*buf == NULL) + return(NGR_R_BAD); + cp = *buf; +#else + if (len > (int)buflen) { + errno = ERANGE; + return (NGR_R_BAD); + } + cp = buf; +#endif + + + if (mp != NULL) { + n = strlen(mp) + 1; + strcpy(cp, mp); + *machinep = cp; + cp += n; + } else + *machinep = NULL; + + if (up != NULL) { + n = strlen(up) + 1; + strcpy(cp, up); + *userp = cp; + cp += n; + } else + *userp = NULL; + + if (dp != NULL) { + n = strlen(dp) + 1; + strcpy(cp, dp); + *domainp = cp; + cp += n; + } else + *domainp = NULL; + + return (NGR_R_OK); +} +#else /* NGR_R_RETURN */ + static int getnetgrent_r_unknown_system = 0; +#endif /* NGR_R_RETURN */ +#endif /* !defined(_REENTRANT) || !defined(DO_PTHREADS) */ +/*! \file */ |
