/* $NetBSD: irp_sv.c,v 1.1.1.2 2012/09/09 16:07:57 christos Exp $ */ /* * Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC") * Portions Copyright (c) 1996,1998 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: irp_sv.c,v 1.3 2005/04/27 04:56:29 sra Exp "; #endif /* LIBC_SCCS and not lint */ /* extern */ #include "port_before.h" #include #include #include #ifdef IRS_LCL_SV_DB #include #endif #include #include #include #include #include #include #include #include #include #include #include #include "irs_p.h" #include "lcl_p.h" #include "irp_p.h" #include "port_after.h" /* Types */ struct pvt { struct irp_p *girpdata; int warned; struct servent service; }; /* Forward */ static void sv_close(struct irs_sv*); static struct servent * sv_next(struct irs_sv *); static struct servent * sv_byname(struct irs_sv *, const char *, const char *); static struct servent * sv_byport(struct irs_sv *, int, const char *); static void sv_rewind(struct irs_sv *); static void sv_minimize(struct irs_sv *); static void free_service(struct servent *sv); /* Public */ /*% * struct irs_sv * irs_irp_sv(struct irs_acc *this) * */ struct irs_sv * irs_irp_sv(struct irs_acc *this) { struct irs_sv *sv; struct pvt *pvt; if ((sv = memget(sizeof *sv)) == NULL) { errno = ENOMEM; return (NULL); } memset(sv, 0x0, sizeof *sv); if ((pvt = memget(sizeof *pvt)) == NULL) { memput(sv, sizeof *sv); errno = ENOMEM; return (NULL); } memset(pvt, 0, sizeof *pvt); pvt->girpdata = this->private; sv->private = pvt; sv->close = sv_close; sv->next = sv_next; sv->byname = sv_byname; sv->byport = sv_byport; sv->rewind = sv_rewind; sv->minimize = sv_minimize; return (sv); } /* Methods */ /*% * void sv_close(struct irs_sv *this) * */ static void sv_close(struct irs_sv *this) { struct pvt *pvt = (struct pvt *)this->private; sv_minimize(this); free_service(&pvt->service); memput(pvt, sizeof *pvt); memput(this, sizeof *this); } /*% * Fills the cache if necessary and returns the next item from it. * */ static struct servent * sv_next(struct irs_sv *this) { struct pvt *pvt = (struct pvt *)this->private; struct servent *sv = &pvt->service; char *body; size_t bodylen; int code; char text[256]; if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) { return (NULL); } if (irs_irp_send_command(pvt->girpdata, "getservent") != 0) { return (NULL); } if (irs_irp_get_full_response(pvt->girpdata, &code, text, sizeof text, &body, &bodylen) != 0) { return (NULL); } if (code == IRPD_GETSERVICE_OK) { free_service(sv); if (irp_unmarshall_sv(sv, body) != 0) { sv = NULL; } } else { sv = NULL; } if (body != NULL) { memput(body, bodylen); } return (sv); } /*% * struct servent * sv_byname(struct irs_sv *this, const char *name, * const char *proto) * */ static struct servent * sv_byname(struct irs_sv *this, const char *name, const char *proto) { struct pvt *pvt = (struct pvt *)this->private; struct servent *sv = &pvt->service; char *body; char text[256]; size_t bodylen; int code; if (sv->s_name != NULL && strcmp(name, sv->s_name) == 0 && strcasecmp(proto, sv->s_proto) == 0) { return (sv); } if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) { return (NULL); } if (irs_irp_send_command(pvt->girpdata, "getservbyname %s %s", name, proto) != 0) return (NULL); if (irs_irp_get_full_response(pvt->girpdata, &code, text, sizeof text, &body, &bodylen) != 0) { return (NULL); } if (code == IRPD_GETSERVICE_OK) { free_service(sv); if (irp_unmarshall_sv(sv, body) != 0) { sv = NULL; } } else { sv = NULL; } if (body != NULL) { memput(body, bodylen); } return (sv); } /*% * struct servent * sv_byport(struct irs_sv *this, int port, * const char *proto) * */ static struct servent * sv_byport(struct irs_sv *this, int port, const char *proto) { struct pvt *pvt = (struct pvt *)this->private; struct servent *sv = &pvt->service; char *body; size_t bodylen; char text[256]; int code; if (sv->s_name != NULL && port == sv->s_port && strcasecmp(proto, sv->s_proto) == 0) { return (sv); } if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) { return (NULL); } if (irs_irp_send_command(pvt->girpdata, "getservbyport %d %s", ntohs((short)port), proto) != 0) { return (NULL); } if (irs_irp_get_full_response(pvt->girpdata, &code, text, sizeof text, &body, &bodylen) != 0) { return (NULL); } if (code == IRPD_GETSERVICE_OK) { free_service(sv); if (irp_unmarshall_sv(sv, body) != 0) { sv = NULL; } } else { sv = NULL; } if (body != NULL) { memput(body, bodylen); } return (sv); } /*% * void sv_rewind(struct irs_sv *this) * */ static void sv_rewind(struct irs_sv *this) { struct pvt *pvt = (struct pvt *)this->private; char text[256]; int code; if (irs_irp_connection_setup(pvt->girpdata, &pvt->warned) != 0) { return; } if (irs_irp_send_command(pvt->girpdata, "setservent") != 0) { return; } code = irs_irp_read_response(pvt->girpdata, text, sizeof text); if (code != IRPD_GETSERVICE_SETOK) { if (irp_log_errors) { syslog(LOG_WARNING, "setservent failed: %s", text); } } return; } /*% * void sv_minimize(struct irs_sv *this) * */ static void sv_minimize(struct irs_sv *this) { struct pvt *pvt = (struct pvt *)this->private; irs_irp_disconnect(pvt->girpdata); } static void free_service(struct servent *sv) { char **p; if (sv == NULL) { return; } if (sv->s_name != NULL) { free(sv->s_name); } for (p = sv->s_aliases ; p != NULL && *p != NULL ; p++) { free(*p); } if (sv->s_proto != NULL) { free(sv->s_proto); } } /*! \file */