diff options
Diffstat (limited to 'tools/cpio/src/utmpx.c')
| -rw-r--r-- | tools/cpio/src/utmpx.c | 252 |
1 files changed, 0 insertions, 252 deletions
diff --git a/tools/cpio/src/utmpx.c b/tools/cpio/src/utmpx.c deleted file mode 100644 index d88a627a7..000000000 --- a/tools/cpio/src/utmpx.c +++ /dev/null @@ -1,252 +0,0 @@ -/* - * Copyright (c) 2004 Gunnar Ritter - * - * This software is provided 'as-is', without any express or implied - * warranty. In no event will the authors be held liable for any damages - * arising from the use of this software. - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute - * it freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. If you use this software - * in a product, an acknowledgment in the product documentation would be - * appreciated but is not required. - * - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * - * 3. This notice may not be removed or altered from any source distribution. - */ -/* Sccsid @(#)utmpx.c 1.13 (gritter) 12/16/07 */ - -#include <stdio.h> - -#if defined (__FreeBSD__) || defined (__dietlibc__) || defined (__NetBSD__) || \ - defined (__UCLIBC__) || defined (__OpenBSD__) || \ - defined (__DragonFly__) || \ - defined (__APPLE__) && \ - (__MAC_OS_X_VERSION_MIN_REQUIRED < __MAC_OS_X_VERSION_10_5) -#include <sys/types.h> -#include <sys/time.h> -#include <utmp.h> -#include <string.h> - -#include "utmpx.h" - -static FILE *utfp; -static struct utmpx utx; -static const char *utmpfile = _PATH_UTMP; - -static FILE * -init(void) -{ - if (utfp == NULL && (utfp = fopen(utmpfile, "r+")) == NULL) - if ((utfp = fopen(utmpfile, "r")) == NULL) - return NULL; - return utfp; -} - -static struct utmpx * -utmp2utmpx(struct utmpx *ux, const struct utmp *up) -{ -#ifndef __dietlibc__ - memset(ux, 0, sizeof *ux); - ux->ut_tv.tv_sec = up->ut_time; - memcpy(ux->ut_line, up->ut_line, UT_LINESIZE); - memcpy(ux->ut_user, up->ut_name, UT_NAMESIZE); - memcpy(ux->ut_host, up->ut_host, UT_HOSTSIZE); - if (strcmp(up->ut_line, "~") == 0) - ux->ut_type = BOOT_TIME; - else if (strcmp(up->ut_line, "|") == 0) - ux->ut_type = OLD_TIME; - else if (strcmp(up->ut_line, "}") == 0) - ux->ut_type = NEW_TIME; - else if (*up->ut_name == 0) - ux->ut_type = DEAD_PROCESS; - else - ux->ut_type = USER_PROCESS; -#else /* __dietlibc__ */ - *ux = *up; -#endif /* __dietlibc__ */ - return ux; -} - -static struct utmp * -utmpx2utmp(struct utmp *up, const struct utmpx *ux) -{ -#ifndef __dietlibc__ - memset(up, 0, sizeof *up); - up->ut_time = ux->ut_tv.tv_sec; - switch (ux->ut_type) { - case DEAD_PROCESS: - memcpy(up->ut_line, ux->ut_line, UT_LINESIZE); - break; - default: - case EMPTY: - case INIT_PROCESS: - case LOGIN_PROCESS: - case RUN_LVL: - case ACCOUNTING: - return NULL; - case BOOT_TIME: - strcpy(up->ut_name, "reboot"); - strcpy(up->ut_line, "~"); - break; - case OLD_TIME: - strcpy(up->ut_name, "date"); - strcpy(up->ut_line, "|"); - break; - case NEW_TIME: - strcpy(up->ut_name, "date"); - strcpy(up->ut_line, "{"); - break; - case USER_PROCESS: - memcpy(up->ut_line, ux->ut_line, UT_LINESIZE); - memcpy(up->ut_name, ux->ut_user, UT_NAMESIZE); - memcpy(up->ut_host, ux->ut_host, UT_HOSTSIZE); - } -#else /* __dietlibc__ */ - *up = *ux; -#endif /* __dietlibc__ */ - return up; -} - -struct utmpx * -getutxent(void) -{ - static struct utmp zero; - struct utmp ut; - - if (init() == NULL) - return NULL; - do { - if (fread(&ut, sizeof ut, 1, utfp) != 1) - return NULL; - } while (memcmp(&ut, &zero, sizeof ut) == 0); - return utmp2utmpx(&utx, &ut); -} - -struct utmpx * -getutxline(const struct utmpx *ux) -{ - struct utmp ut; - - if (init() == NULL) - return NULL; - fseek(utfp, 0, SEEK_SET); - while (fread(&ut, sizeof ut, 1, utfp) == 1) { - utmp2utmpx(&utx, &ut); - if ((utx.ut_type == LOGIN_PROCESS || - utx.ut_type == USER_PROCESS) && - strcmp(ut.ut_line, utx.ut_line) == 0) - return &utx; - } - return NULL; -} - -struct utmpx * -getutxid(const struct utmpx *ux) -{ -#ifdef __dietlibc__ - struct utmp ut; -#endif - - if (init() == NULL) - return NULL; -#ifdef __dietlibc__ - fseek(utfp, 0, SEEK_SET); - while (fread(&ut, sizeof ut, 1, utfp) == 1) { - utmp2utmpx(&utx, &ut); - switch (ux->ut_type) { - case BOOT_TIME: - case OLD_TIME: - case NEW_TIME: - if (ux->ut_type == utx.ut_type) - return &utx; - break; - case INIT_PROCESS: - case LOGIN_PROCESS: - case USER_PROCESS: - case DEAD_PROCESS: - if (ux->ut_type == utx.ut_type && - ux->ut_id == utx.ut_id) - return &utx; - break; - } - } -#endif /* __dietlibc__ */ - return NULL; -} - -void -setutxent(void) -{ - if (init() == NULL) - return; - fseek(utfp, 0, SEEK_SET); -} - -void -endutxent(void) -{ - FILE *fp; - - if (init() == NULL) - return; - fp = utfp; - utfp = NULL; - fclose(fp); -} - -int -utmpxname(const char *name) -{ - utmpfile = strdup(name); - return 0; -} - -extern struct utmpx * -pututxline(const struct utmpx *up) -{ - struct utmp ut; - struct utmpx *rp; - - if (init() == NULL) - return NULL; - /* - * Cannot use getutxid() because there is no id field. Use - * the equivalent of getutxline() instead. - */ - while (fread(&ut, sizeof ut, 1, utfp) == 1) { - if (strncmp(ut.ut_line, up->ut_line, UT_LINESIZE) == 0) { - fseek(utfp, -sizeof ut, SEEK_CUR); - break; - } - } - fflush(utfp); - if (utmpx2utmp(&ut, up) == NULL) - rp = NULL; - else if (fwrite(&ut, sizeof ut, 1, utfp) == 1) { - utx = *up; - rp = &utx; - } else - rp = NULL; - fflush(utfp); - return rp; -} - -extern void -updwtmpx(const char *name, const struct utmpx *up) -{ - FILE *fp; - - if ((fp = fopen(name, "a")) == NULL) - return; - fwrite(up, sizeof *up, 1, fp); - fclose(fp); -} - -#endif /* __FreeBSD__ || __dietlibc__ || __NetBSD__ || __UCLIBC__ || - __OpenBSD__ || __DragonFly__ || __APPLE__ */ |