diff options
Diffstat (limited to 'lib/libulog/ulog_login.c')
| -rw-r--r-- | lib/libulog/ulog_login.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/lib/libulog/ulog_login.c b/lib/libulog/ulog_login.c new file mode 100644 index 0000000..3058b9f --- /dev/null +++ b/lib/libulog/ulog_login.c @@ -0,0 +1,84 @@ +/*- + * Copyright (c) 2009 Ed Schouten <ed@FreeBSD.org> + * 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/cdefs.h> +__FBSDID("$FreeBSD$"); + +#include <sys/param.h> +#include <sys/time.h> +#include <paths.h> +#include <sha.h> +#include <string.h> +#include <unistd.h> +#include <utmpx.h> +#include "ulog.h" + +static void +ulog_fill(struct utmpx *utx, const char *line) +{ + SHA_CTX c; + char id[SHA_DIGEST_LENGTH]; + + /* Remove /dev/ component. */ + if (strncmp(line, _PATH_DEV, sizeof _PATH_DEV - 1) == 0) + line += sizeof _PATH_DEV - 1; + + memset(utx, 0, sizeof *utx); + + utx->ut_pid = getpid(); + gettimeofday(&utx->ut_tv, NULL); + strncpy(utx->ut_line, line, sizeof utx->ut_line); + + SHA1_Init(&c); + SHA1_Update(&c, "libulog", 7); + SHA1_Update(&c, utx->ut_line, sizeof utx->ut_line); + SHA_Final(id, &c); + + memcpy(utx->ut_id, id, MIN(sizeof utx->ut_id, sizeof id)); +} + +void +ulog_login(const char *line, const char *user, const char *host) +{ + struct utmpx utx; + + ulog_fill(&utx, line); + utx.ut_type = USER_PROCESS; + strncpy(utx.ut_user, user, sizeof utx.ut_user); + if (host != NULL) + strncpy(utx.ut_host, host, sizeof utx.ut_host); + pututxline(&utx); +} + +void +ulog_logout(const char *line) +{ + struct utmpx utx; + + ulog_fill(&utx, line); + utx.ut_type = DEAD_PROCESS; + pututxline(&utx); +} |
