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Relocate source files to an src/ subdirectory
Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
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Joachim Nilsson committed
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/* Misc. utility functions for finit and its plugins
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*
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* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
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* Copyright (c) 2008-2015 Joachim Nilsson <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <ctype.h> /* isblank() */
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#include <errno.h>
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#include <grp.h>
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#include <pwd.h>
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#include <limits.h>
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#include <net/if.h>
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#include <netinet/in.h>
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#include <stdarg.h>
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#include <sys/ioctl.h>
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#include <lite/lite.h>
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#include <lite/conio.h>
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#include "finit.h"
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#include "helpers.h"
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#include "private.h"
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#include "utmp-api.h"
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int _slup = 0; /* INTERNAL: Is syslog up yet? */
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char *strip_line(char *line)
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{
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char *ptr;
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/* Trim leading whitespace */
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while (*line && isblank(*line))
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line++;
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/* Strip any comment at end of line */
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ptr = line;
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while (*ptr && *ptr != '#')
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ptr++;
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*ptr = 0;
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return line;
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}
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void runlevel_set(int pre, int now)
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{
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utmp_set_runlevel(pre, now);
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}
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/**
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* runlevel_string - Convert a bit encoded runlevel to .conf syntax
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* @levels: Bit encoded runlevels
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*
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* Returns:
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* Pointer to string on the form [2345]
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*/
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char *runlevel_string(int levels)
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{
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int i, pos = 1;
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static char lvl[20];
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memset(lvl, 0, sizeof(lvl));
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lvl[0] = '[';
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for (i = 0; i < 10; i++) {
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if (ISSET(levels, i)) {
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if (runlevel == i)
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pos = strlcat(lvl, "\e[1m", sizeof(lvl));
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if (i == 0)
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lvl[pos++] = 'S';
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else
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lvl[pos++] = '0' + i;
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if (runlevel == i)
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pos = strlcat(lvl, "\e[0m", sizeof(lvl));
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}
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}
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lvl[pos++] = ']';
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lvl[pos] = 0;
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return lvl;
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}
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static int print_timestamp(void)
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{
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#if defined(CONFIG_PRINTK_TIME)
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FILE * uptimefile;
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float num1, num2;
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char uptime_str[30];
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if((uptimefile = fopen("/proc/uptime", "r")) == NULL)
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return 1;
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fgets(uptime_str, 20, uptimefile);
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fclose(uptimefile);
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sscanf(uptime_str, "%f %f", &num1, &num2);
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sprintf(uptime_str, "[ %.6f ]", num1);
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write(STDERR_FILENO, uptime_str, strlen(uptime_str));
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#endif
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return 0;
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}
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void print(int action, const char *fmt, ...)
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{
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char buf[80];
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size_t len;
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va_list ap;
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const char success[] = " \e[1m[ OK ]\e[0m\n";
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const char failure[] = " \e[7m[FAIL]\e[0m\n";
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const char warning[] = " \e[7m[WARN]\e[0m\n";
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const char pending[] = " \e[1m[ \\/ ]\e[0m\n";
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const char dots[] = " .....................................................................";
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if (silent)
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return;
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if (fmt) {
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va_start(ap, fmt);
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len = vsnprintf(buf, sizeof(buf), fmt, ap);
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va_end(ap);
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delline();
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print_timestamp();
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write(STDERR_FILENO, "\r", 1);
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write(STDERR_FILENO, buf, len);
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write(STDERR_FILENO, dots, 60 - len); /* pad with dots. */
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}
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switch (action) {
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case -1:
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break;
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case 0:
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write(STDERR_FILENO, success, sizeof(success));
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break;
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case 1:
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write(STDERR_FILENO, failure, sizeof(failure));
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break;
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case 2:
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write(STDERR_FILENO, warning, sizeof(warning));
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break;
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default:
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write(STDERR_FILENO, pending, sizeof(pending));
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break;
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}
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}
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void print_desc(char *action, char *desc)
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{
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print(-1, "%s%s", action ?: "", desc ?: "");
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}
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int print_result(int fail)
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{
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print(!!fail, NULL);
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return fail;
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}
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/*
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* Log to /dev/kmsg until syslogd has started, then openlog()
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* and continue logging as a regular daemon.
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*/
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void logit(int prio, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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if (!_slup && !fexist("/dev/log")) {
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FILE *fp;
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fp = fopen("/dev/kmsg", "w");
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if (fp) {
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if (debug)
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prio = LOG_ERR;
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fprintf(fp, "<%d>finit[1]:", LOG_DAEMON | prio);
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vfprintf(fp, fmt, ap);
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fclose(fp);
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} else {
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fprintf(stderr, "Failed opening /dev/kmsg for appending ...\n");
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if (debug || prio <= LOG_ERR)
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vfprintf(stderr, fmt, ap);
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}
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va_end(ap);
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return;
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}
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if (!_slup) {
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openlog("finit", LOG_PID, LOG_DAEMON);
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_slup = 1;
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}
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vsyslog(prio, fmt, ap);
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va_end(ap);
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}
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int getuser(char *username, char **home)
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{
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#ifdef ENABLE_STATIC
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*home = "/"; /* XXX: Fixme */
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return fgetint("/etc/passwd", "x:\n", username);
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#else
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struct passwd *usr;
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if (!username || (usr = getpwnam(username)) == NULL)
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return -1;
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*home = usr->pw_dir;
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return usr->pw_uid;
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#endif
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}
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int getgroup(char *group)
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{
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#ifdef ENABLE_STATIC
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return fgetint("/etc/group", "x:\n", group);
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#else
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struct group *grp;
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if ((grp = getgrnam(group)) == NULL)
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return -1;
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return grp->gr_gid;
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#endif
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}
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void set_hostname(char **hostname)
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{
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FILE *fp;
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fp = fopen("/etc/hostname", "r");
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if (fp) {
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struct stat st;
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if (fstat(fileno(fp), &st)) {
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fclose(fp);
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return;
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}
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*hostname = realloc(*hostname, st.st_size);
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if (!*hostname) {
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fclose(fp);
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return;
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}
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fgets(*hostname, st.st_size, fp);
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chomp(*hostname);
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fclose(fp);
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}
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if (*hostname)
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sethostname(*hostname, strlen(*hostname));
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}
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#ifndef HAVE_GETFSENT
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static lfile_t *fstab = NULL;
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int setfsent(void)
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{
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if (fstab)
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lfclose(fstab);
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fstab = lfopen("/etc/fstab", " \t\n");
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if (!fstab)
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return 0;
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return 1;
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}
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struct fstab *getfsent(void)
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{
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static struct fstab fs;
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fs.fs_spec = lftok(fstab);
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if (fs.fs_spec == NULL)
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return NULL;
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fs.fs_file = lftok(fstab);
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fs.fs_vfstype = lftok(fstab);
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fs.fs_mntops = lftok(fstab);
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fs.fs_type = "rw";
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fs.fs_freq = atoi(lftok(fstab) ?: "0");
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fs.fs_passno = atoi(lftok(fstab) ?: "0");
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return &fs;
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}
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void endfsent(void)
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{
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if (fstab)
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lfclose(fstab);
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fstab = NULL;
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}
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#endif /* HAVE_GETFSENT */
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/**
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* Local Variables:
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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