diff options
Diffstat (limited to 'usr.sbin/setaudit/setaudit.c')
| -rw-r--r-- | usr.sbin/setaudit/setaudit.c | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/usr.sbin/setaudit/setaudit.c b/usr.sbin/setaudit/setaudit.c new file mode 100644 index 000000000000..af8f481afcb3 --- /dev/null +++ b/usr.sbin/setaudit/setaudit.c @@ -0,0 +1,158 @@ +/*- + * Copyright (c) 2018 Christian S.J. Peron + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#include <sys/types.h> +#include <sys/socket.h> + +#include <bsm/audit.h> +#include <bsm/libbsm.h> + +#include <netinet/in.h> + +#include <err.h> +#include <netdb.h> +#include <pwd.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> + +static void +usage(char *prog) +{ + (void)fprintf(stderr, + "usage: %s [-46U] [-a auid] [-m mask] [-p port] [-s source] command ...\n", + prog); + exit(1); +} + +int +main(int argc, char *argv []) +{ + struct sockaddr_in6 *sin6; + struct sockaddr_in *sin; + struct addrinfo hints; + auditinfo_addr_t aia; + char *aflag, *mflag, *sflag, *prog; + dev_t term_port; + uint32_t term_type; + int ch, error; + bool Uflag; + + aflag = mflag = sflag = NULL; + Uflag = false; + + prog = argv[0]; + bzero(&aia, sizeof(aia)); + bzero(&hints, sizeof(hints)); + term_type = AU_IPv4; + hints.ai_family = PF_UNSPEC; + while ((ch = getopt(argc, argv, "46a:m:p:s:U")) != -1) + switch (ch) { + case '4': + hints.ai_family = PF_INET; + break; + case '6': + hints.ai_family = PF_INET6; + break; + case 'a': + aflag = optarg; + break; + case 'm': + mflag = optarg; + break; + case 'p': + term_port = htons(atoi(optarg)); + break; + case 's': + sflag = optarg; + break; + case 'U': + Uflag = true; + break; + default: + usage(prog); + /* NOT REACHED */ + } + argc -= optind; + argv += optind; + if (argc == 0) + usage(prog); + + if (Uflag) { + if (getaudit_addr(&aia, sizeof(aia)) < 0) + err(1, "getaudit_addr"); + } + if (aflag) { + struct passwd *pwd; + + pwd = getpwnam(aflag); + if (pwd == NULL) { + char *r; + + aia.ai_auid = strtoul(aflag, &r, 10); + if (*r != '\0') + errx(1, "%s: invalid user", aflag); + } else + aia.ai_auid = pwd->pw_uid; + } + if (mflag) { + if (getauditflagsbin(mflag, &aia.ai_mask) < 0) + err(1, "getauditflagsbin"); + } + if (sflag) { + struct addrinfo *res; + + error = getaddrinfo(sflag, NULL, &hints, &res); + if (error) + errx(1, "%s", gai_strerror(error)); + switch (res->ai_family) { + case PF_INET6: + sin6 = (struct sockaddr_in6 *)(void *)res->ai_addr; + bcopy(&sin6->sin6_addr.s6_addr, + &aia.ai_termid.at_addr[0], + sizeof(struct in6_addr)); + term_type = AU_IPv6; + break; + case PF_INET: + sin = (struct sockaddr_in *)(void *)res->ai_addr; + bcopy(&sin->sin_addr.s_addr, + &aia.ai_termid.at_addr[0], + sizeof(struct in_addr)); + term_type = AU_IPv4; + break; + } + } + if (!Uflag || sflag) { + aia.ai_termid.at_port = term_port; + aia.ai_termid.at_type = term_type; + } + if (setaudit_addr(&aia, sizeof(aia)) < 0) + err(1, "setaudit_addr"); + (void)execvp(*argv, argv); + err(1, "%s", *argv); +} |