--- /dev/null
+/*
+ * Copyright (c) 1994-1996, 1998-2011 Todd C. Miller <Todd.Miller@courtesan.com>
+ *
+ * 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 THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR 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.
+ *
+ * Sponsored in part by the Defense Advanced Research Projects
+ * Agency (DARPA) and Air Force Research Laboratory, Air Force
+ * Materiel Command, USAF, under agreement number F39502-99-1-0512.
+ */
+
+#ifdef __TANDEM
+# include <floss.h>
+#endif
+
+#include <config.h>
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/wait.h>
+#include <stdio.h>
+#ifdef STDC_HEADERS
+# include <stdlib.h>
+# include <stddef.h>
+#else
+# ifdef HAVE_STDLIB_H
+# include <stdlib.h>
+# endif
+#endif /* STDC_HEADERS */
+#ifdef HAVE_STRING_H
+# include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+# include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif /* HAVE_UNISTD_H */
+#ifdef HAVE_SETLOCALE
+# include <locale.h>
+#endif /* HAVE_SETLOCALE */
+#ifdef HAVE_NL_LANGINFO
+# include <langinfo.h>
+#endif /* HAVE_NL_LANGINFO */
+#include <pwd.h>
+#include <grp.h>
+#include <signal.h>
+#include <time.h>
+#include <ctype.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <setjmp.h>
+
+#include "sudoers.h"
+
+static void do_syslog(int, char *);
+static void do_logfile(char *);
+static void send_mail(const char *fmt, ...);
+static int should_mail(int);
+static void mysyslog(int, const char *, ...);
+static char *new_logline(const char *, int);
+
+extern sigjmp_buf error_jmp;
+
+#define MAXSYSLOGTRIES 16 /* num of retries for broken syslogs */
+
+/*
+ * We do an openlog(3)/closelog(3) for each message because some
+ * authentication methods (notably PAM) use syslog(3) for their
+ * own nefarious purposes and may call openlog(3) and closelog(3).
+ * Note that because we don't want to assume that all systems have
+ * vsyslog(3) (HP-UX doesn't) "%m" will not be expanded.
+ * Sadly this is a maze of #ifdefs.
+ */
+static void
+mysyslog(int pri, const char *fmt, ...)
+{
+#ifdef BROKEN_SYSLOG
+ int i;
+#endif
+ char buf[MAXSYSLOGLEN+1];
+ va_list ap;
+
+ va_start(ap, fmt);
+#ifdef LOG_NFACILITIES
+ openlog("sudo", 0, def_syslog);
+#else
+ openlog("sudo", 0);
+#endif
+ vsnprintf(buf, sizeof(buf), fmt, ap);
+#ifdef BROKEN_SYSLOG
+ /*
+ * Some versions of syslog(3) don't guarantee success and return
+ * an int (notably HP-UX < 10.0). So, if at first we don't succeed,
+ * try, try again...
+ */
+ for (i = 0; i < MAXSYSLOGTRIES; i++)
+ if (syslog(pri, "%s", buf) == 0)
+ break;
+#else
+ syslog(pri, "%s", buf);
+#endif /* BROKEN_SYSLOG */
+ va_end(ap);
+ closelog();
+}
+
+#define FMT_FIRST "%8s : %s"
+#define FMT_CONTD "%8s : (command continued) %s"
+
+/*
+ * Log a message to syslog, pre-pending the username and splitting the
+ * message into parts if it is longer than MAXSYSLOGLEN.
+ */
+static void
+do_syslog(int pri, char *msg)
+{
+ size_t len, maxlen;
+ char *p, *tmp, save;
+ const char *fmt;
+
+#ifdef HAVE_SETLOCALE
+ const char *old_locale = estrdup(setlocale(LC_ALL, NULL));
+ if (!setlocale(LC_ALL, def_sudoers_locale))
+ setlocale(LC_ALL, "C");
+#endif /* HAVE_SETLOCALE */
+
+ /*
+ * Log the full line, breaking into multiple syslog(3) calls if necessary
+ */
+ fmt = FMT_FIRST;
+ maxlen = MAXSYSLOGLEN - (sizeof(FMT_FIRST) - 6 + strlen(user_name));
+ for (p = msg; *p != '\0'; ) {
+ len = strlen(p);
+ if (len > maxlen) {
+ /*
+ * Break up the line into what will fit on one syslog(3) line
+ * Try to avoid breaking words into several lines if possible.
+ */
+ tmp = memrchr(p, ' ', maxlen);
+ if (tmp == NULL)
+ tmp = p + maxlen;
+
+ /* NULL terminate line, but save the char to restore later */
+ save = *tmp;
+ *tmp = '\0';
+
+ mysyslog(pri, fmt, user_name, p);
+
+ *tmp = save; /* restore saved character */
+
+ /* Advance p and eliminate leading whitespace */
+ for (p = tmp; *p == ' '; p++)
+ ;
+ } else {
+ mysyslog(pri, fmt, user_name, p);
+ p += len;
+ }
+ fmt = FMT_CONTD;
+ maxlen = MAXSYSLOGLEN - (sizeof(FMT_CONTD) - 6 + strlen(user_name));
+ }
+
+#ifdef HAVE_SETLOCALE
+ setlocale(LC_ALL, old_locale);
+ efree((void *)old_locale);
+#endif /* HAVE_SETLOCALE */
+}
+
+static void
+do_logfile(char *msg)
+{
+ char *full_line;
+ char *beg, *oldend, *end;
+ FILE *fp;
+ mode_t oldmask;
+ size_t maxlen;
+
+ oldmask = umask(077);
+ maxlen = def_loglinelen > 0 ? def_loglinelen : 0;
+ fp = fopen(def_logfile, "a");
+ (void) umask(oldmask);
+ if (fp == NULL) {
+ send_mail("Can't open log file: %s: %s", def_logfile, strerror(errno));
+ } else if (!lock_file(fileno(fp), SUDO_LOCK)) {
+ send_mail("Can't lock log file: %s: %s", def_logfile, strerror(errno));
+ } else {
+ time_t now;
+
+#ifdef HAVE_SETLOCALE
+ const char *old_locale = estrdup(setlocale(LC_ALL, NULL));
+ if (!setlocale(LC_ALL, def_sudoers_locale))
+ setlocale(LC_ALL, "C");
+#endif /* HAVE_SETLOCALE */
+
+ now = time(NULL);
+ if (def_loglinelen == 0) {
+ /* Don't pretty-print long log file lines (hard to grep) */
+ if (def_log_host)
+ (void) fprintf(fp, "%s : %s : HOST=%s : %s\n",
+ get_timestr(now, def_log_year), user_name, user_shost, msg);
+ else
+ (void) fprintf(fp, "%s : %s : %s\n",
+ get_timestr(now, def_log_year), user_name, msg);
+ } else {
+ if (def_log_host)
+ easprintf(&full_line, "%s : %s : HOST=%s : %s",
+ get_timestr(now, def_log_year), user_name, user_shost, msg);
+ else
+ easprintf(&full_line, "%s : %s : %s",
+ get_timestr(now, def_log_year), user_name, msg);
+
+ /*
+ * Print out full_line with word wrap
+ */
+ beg = end = full_line;
+ while (beg) {
+ oldend = end;
+ end = strchr(oldend, ' ');
+
+ if (maxlen > 0 && end) {
+ *end = '\0';
+ if (strlen(beg) > maxlen) {
+ /* too far, need to back up & print the line */
+
+ if (beg == (char *)full_line)
+ maxlen -= 4; /* don't indent first line */
+
+ *end = ' ';
+ if (oldend != beg) {
+ /* rewind & print */
+ end = oldend-1;
+ while (*end == ' ')
+ --end;
+ *(++end) = '\0';
+ (void) fprintf(fp, "%s\n ", beg);
+ *end = ' ';
+ } else {
+ (void) fprintf(fp, "%s\n ", beg);
+ }
+
+ /* reset beg to point to the start of the new substr */
+ beg = end;
+ while (*beg == ' ')
+ ++beg;
+ } else {
+ /* we still have room */
+ *end = ' ';
+ }
+
+ /* remove leading whitespace */
+ while (*end == ' ')
+ ++end;
+ } else {
+ /* final line */
+ (void) fprintf(fp, "%s\n", beg);
+ beg = NULL; /* exit condition */
+ }
+ }
+ efree(full_line);
+ }
+ (void) fflush(fp);
+ (void) lock_file(fileno(fp), SUDO_UNLOCK);
+ (void) fclose(fp);
+
+#ifdef HAVE_SETLOCALE
+ setlocale(LC_ALL, old_locale);
+ efree((void *)old_locale);
+#endif /* HAVE_SETLOCALE */
+ }
+}
+
+/*
+ * Log and mail the denial message, optionally informing the user.
+ */
+void
+log_denial(int status, int inform_user)
+{
+ char *message;
+ char *logline;
+
+ /* Set error message. */
+ if (ISSET(status, FLAG_NO_USER))
+ message = "user NOT in sudoers";
+ else if (ISSET(status, FLAG_NO_HOST))
+ message = "user NOT authorized on host";
+ else
+ message = "command not allowed";
+
+ logline = new_logline(message, 0);
+
+ if (should_mail(status))
+ send_mail("%s", logline); /* send mail based on status */
+
+ /* Inform the user if they failed to authenticate. */
+ if (inform_user) {
+ if (ISSET(status, FLAG_NO_USER)) {
+ sudo_printf(SUDO_CONV_ERROR_MSG, "%s is not in the sudoers file. "
+ "This incident will be reported.\n", user_name);
+ } else if (ISSET(status, FLAG_NO_HOST)) {
+ sudo_printf(SUDO_CONV_ERROR_MSG, "%s is not allowed to run sudo "
+ "on %s. This incident will be reported.\n",
+ user_name, user_shost);
+ } else if (ISSET(status, FLAG_NO_CHECK)) {
+ sudo_printf(SUDO_CONV_ERROR_MSG, "Sorry, user %s may not run "
+ "sudo on %s.\n", user_name, user_shost);
+ } else {
+ sudo_printf(SUDO_CONV_ERROR_MSG, "Sorry, user %s is not allowed "
+ "to execute '%s%s%s' as %s%s%s on %s.\n",
+ user_name, user_cmnd, user_args ? " " : "",
+ user_args ? user_args : "",
+ list_pw ? list_pw->pw_name : runas_pw ?
+ runas_pw->pw_name : user_name, runas_gr ? ":" : "",
+ runas_gr ? runas_gr->gr_name : "", user_host);
+ }
+ }
+
+ /*
+ * Log via syslog and/or a file.
+ */
+ if (def_syslog)
+ do_syslog(def_syslog_badpri, logline);
+ if (def_logfile)
+ do_logfile(logline);
+
+ efree(logline);
+}
+
+/*
+ * Log and potentially mail the allowed command.
+ */
+void
+log_allowed(int status)
+{
+ char *logline;
+
+ logline = new_logline(NULL, 0);
+
+ if (should_mail(status))
+ send_mail("%s", logline); /* send mail based on status */
+
+ /*
+ * Log via syslog and/or a file.
+ */
+ if (def_syslog)
+ do_syslog(def_syslog_goodpri, logline);
+ if (def_logfile)
+ do_logfile(logline);
+
+ efree(logline);
+}
+
+void
+log_error(int flags, const char *fmt, ...)
+{
+ int serrno = errno;
+ char *message;
+ char *logline;
+ va_list ap;
+
+ /* Expand printf-style format + args. */
+ va_start(ap, fmt);
+ evasprintf(&message, fmt, ap);
+ va_end(ap);
+
+ /* Become root if we are not already to avoid user interference */
+ set_perms(PERM_ROOT|PERM_NOEXIT);
+
+ if (ISSET(flags, MSG_ONLY))
+ logline = message;
+ else
+ logline = new_logline(message, ISSET(flags, USE_ERRNO) ? serrno : 0);
+
+ /*
+ * Tell the user.
+ */
+ if (!ISSET(flags, NO_STDERR)) {
+ if (ISSET(flags, USE_ERRNO))
+ warning("%s", message);
+ else
+ warningx("%s", message);
+ }
+ if (logline != message)
+ efree(message);
+
+ /*
+ * Send a copy of the error via mail.
+ */
+ if (!ISSET(flags, NO_MAIL))
+ send_mail("%s", logline);
+
+ /*
+ * Log to syslog and/or a file.
+ */
+ if (def_syslog)
+ do_syslog(def_syslog_badpri, logline);
+ if (def_logfile)
+ do_logfile(logline);
+
+ efree(logline);
+
+ restore_perms();
+
+ if (!ISSET(flags, NO_EXIT)) {
+ plugin_cleanup(0);
+ siglongjmp(error_jmp, 1);
+ }
+}
+
+#define MAX_MAILFLAGS 63
+
+/*
+ * Send a message to MAILTO user
+ */
+static void
+send_mail(const char *fmt, ...)
+{
+ FILE *mail;
+ char *p;
+ int fd, pfd[2], status;
+ pid_t pid, rv;
+ sigaction_t sa;
+ va_list ap;
+#ifndef NO_ROOT_MAILER
+ static char *root_envp[] = {
+ "HOME=/",
+ "PATH=/usr/bin:/bin:/usr/sbin:/sbin",
+ "LOGNAME=root",
+ "USERNAME=root",
+ "USER=root",
+ NULL
+ };
+#endif /* NO_ROOT_MAILER */
+
+ /* Just return if mailer is disabled. */
+ if (!def_mailerpath || !def_mailto)
+ return;
+
+ /* Fork and return, child will daemonize. */
+ switch (pid = fork()) {
+ case -1:
+ /* Error. */
+ error(1, "cannot fork");
+ break;
+ case 0:
+ /* Child. */
+ switch (pid = fork()) {
+ case -1:
+ /* Error. */
+ mysyslog(LOG_ERR, "cannot fork: %m");
+ _exit(1);
+ case 0:
+ /* Grandchild continues below. */
+ break;
+ default:
+ /* Parent will wait for us. */
+ _exit(0);
+ }
+ break;
+ default:
+ /* Parent. */
+ do {
+ rv = waitpid(pid, &status, 0);
+ } while (rv == -1 && errno == EINTR);
+ return;
+ }
+
+ /* Daemonize - disassociate from session/tty. */
+ if (setsid() == -1)
+ warning("setsid");
+ if (chdir("/") == -1)
+ warning("chdir(/)");
+ if ((fd = open(_PATH_DEVNULL, O_RDWR, 0644)) != -1) {
+ (void) dup2(fd, STDIN_FILENO);
+ (void) dup2(fd, STDOUT_FILENO);
+ (void) dup2(fd, STDERR_FILENO);
+ }
+
+#ifdef HAVE_SETLOCALE
+ if (!setlocale(LC_ALL, def_sudoers_locale)) {
+ setlocale(LC_ALL, "C");
+ efree(def_sudoers_locale);
+ def_sudoers_locale = estrdup("C");
+ }
+#endif /* HAVE_SETLOCALE */
+
+ /* Close password, group and other fds so we don't leak. */
+ sudo_endpwent();
+ sudo_endgrent();
+ closefrom(STDERR_FILENO + 1);
+
+ /* Ignore SIGPIPE in case mailer exits prematurely (or is missing). */
+ zero_bytes(&sa, sizeof(sa));
+ sigemptyset(&sa.sa_mask);
+ sa.sa_flags = SA_INTERRUPT;
+ sa.sa_handler = SIG_IGN;
+ (void) sigaction(SIGPIPE, &sa, NULL);
+
+ if (pipe(pfd) == -1) {
+ mysyslog(LOG_ERR, "cannot open pipe: %m");
+ _exit(1);
+ }
+
+ switch (pid = fork()) {
+ case -1:
+ /* Error. */
+ mysyslog(LOG_ERR, "cannot fork: %m");
+ _exit(1);
+ break;
+ case 0:
+ {
+ char *argv[MAX_MAILFLAGS + 1];
+ char *mpath, *mflags;
+ int i;
+
+ /* Child, set stdin to output side of the pipe */
+ if (pfd[0] != STDIN_FILENO) {
+ if (dup2(pfd[0], STDIN_FILENO) == -1) {
+ mysyslog(LOG_ERR, "cannot dup stdin: %m");
+ _exit(127);
+ }
+ (void) close(pfd[0]);
+ }
+ (void) close(pfd[1]);
+
+ /* Build up an argv based on the mailer path and flags */
+ mflags = estrdup(def_mailerflags);
+ mpath = estrdup(def_mailerpath);
+ if ((argv[0] = strrchr(mpath, ' ')))
+ argv[0]++;
+ else
+ argv[0] = mpath;
+
+ i = 1;
+ if ((p = strtok(mflags, " \t"))) {
+ do {
+ argv[i] = p;
+ } while (++i < MAX_MAILFLAGS && (p = strtok(NULL, " \t")));
+ }
+ argv[i] = NULL;
+
+ /*
+ * Depending on the config, either run the mailer as root
+ * (so user cannot kill it) or as the user (for the paranoid).
+ */
+#ifndef NO_ROOT_MAILER
+ set_perms(PERM_ROOT|PERM_NOEXIT);
+ execve(mpath, argv, root_envp);
+#else
+ set_perms(PERM_FULL_USER|PERM_NOEXIT);
+ execv(mpath, argv);
+#endif /* NO_ROOT_MAILER */
+ mysyslog(LOG_ERR, "cannot execute %s: %m", mpath);
+ _exit(127);
+ }
+ break;
+ }
+
+ (void) close(pfd[0]);
+ mail = fdopen(pfd[1], "w");
+
+ /* Pipes are all setup, send message. */
+ (void) fprintf(mail, "To: %s\nFrom: %s\nAuto-Submitted: %s\nSubject: ",
+ def_mailto, def_mailfrom ? def_mailfrom : user_name, "auto-generated");
+ for (p = def_mailsub; *p; p++) {
+ /* Expand escapes in the subject */
+ if (*p == '%' && *(p+1) != '%') {
+ switch (*(++p)) {
+ case 'h':
+ (void) fputs(user_host, mail);
+ break;
+ case 'u':
+ (void) fputs(user_name, mail);
+ break;
+ default:
+ p--;
+ break;
+ }
+ } else
+ (void) fputc(*p, mail);
+ }
+
+#ifdef HAVE_NL_LANGINFO
+ if (strcmp(def_sudoers_locale, "C") != 0)
+ (void) fprintf(mail, "\nContent-Type: text/plain; charset=\"%s\"\nContent-Transfer-Encoding: 8bit", nl_langinfo(CODESET));
+#endif /* HAVE_NL_LANGINFO */
+
+ (void) fprintf(mail, "\n\n%s : %s : %s : ", user_host,
+ get_timestr(time(NULL), def_log_year), user_name);
+ va_start(ap, fmt);
+ (void) vfprintf(mail, fmt, ap);
+ va_end(ap);
+ fputs("\n\n", mail);
+
+ fclose(mail);
+ do {
+ rv = waitpid(pid, &status, 0);
+ } while (rv == -1 && errno == EINTR);
+ _exit(0);
+}
+
+/*
+ * Determine whether we should send mail based on "status" and defaults options.
+ */
+static int
+should_mail(int status)
+{
+
+ return def_mail_always || ISSET(status, VALIDATE_ERROR) ||
+ (def_mail_no_user && ISSET(status, FLAG_NO_USER)) ||
+ (def_mail_no_host && ISSET(status, FLAG_NO_HOST)) ||
+ (def_mail_no_perms && !ISSET(status, VALIDATE_OK));
+}
+
+#define LL_TTY_STR "TTY="
+#define LL_CWD_STR "PWD=" /* XXX - should be CWD= */
+#define LL_USER_STR "USER="
+#define LL_GROUP_STR "GROUP="
+#define LL_ENV_STR "ENV="
+#define LL_CMND_STR "COMMAND="
+#define LL_TSID_STR "TSID="
+
+#define IS_SESSID(s) ( \
+ isalnum((unsigned char)(s)[0]) && isalnum((unsigned char)(s)[1]) && \
+ (s)[2] == '/' && \
+ isalnum((unsigned char)(s)[3]) && isalnum((unsigned char)(s)[4]) && \
+ (s)[5] == '/' && \
+ isalnum((unsigned char)(s)[6]) && isalnum((unsigned char)(s)[7]) && \
+ (s)[8] == '\0')
+
+/*
+ * Allocate and fill in a new logline.
+ */
+static char *
+new_logline(const char *message, int serrno)
+{
+ size_t len = 0;
+ char *errstr = NULL;
+ char *evstr = NULL;
+ char *line, sessid[7], *tsid = NULL;
+
+ /* A TSID may be a sudoers-style session ID or a free-form string. */
+ if (sudo_user.iolog_file != NULL) {
+ if (IS_SESSID(sudo_user.iolog_file)) {
+ sessid[0] = sudo_user.iolog_file[0];
+ sessid[1] = sudo_user.iolog_file[1];
+ sessid[2] = sudo_user.iolog_file[3];
+ sessid[3] = sudo_user.iolog_file[4];
+ sessid[4] = sudo_user.iolog_file[6];
+ sessid[5] = sudo_user.iolog_file[7];
+ sessid[6] = '\0';
+ tsid = sessid;
+ } else {
+ tsid = sudo_user.iolog_file;
+ }
+ }
+
+ /*
+ * Compute line length
+ */
+ if (message != NULL)
+ len += strlen(message) + 3;
+ if (serrno) {
+ errstr = strerror(serrno);
+ len += strlen(errstr) + 3;
+ }
+ len += sizeof(LL_TTY_STR) + 2 + strlen(user_tty);
+ len += sizeof(LL_CWD_STR) + 2 + strlen(user_cwd);
+ if (runas_pw != NULL)
+ len += sizeof(LL_USER_STR) + 2 + strlen(runas_pw->pw_name);
+ if (runas_gr != NULL)
+ len += sizeof(LL_GROUP_STR) + 2 + strlen(runas_gr->gr_name);
+ if (tsid != NULL)
+ len += sizeof(LL_TSID_STR) + 2 + strlen(tsid);
+ if (sudo_user.env_vars != NULL) {
+ size_t evlen = 0;
+ char * const *ep;
+
+ for (ep = sudo_user.env_vars; *ep != NULL; ep++)
+ evlen += strlen(*ep) + 1;
+ evstr = emalloc(evlen);
+ evstr[0] = '\0';
+ for (ep = sudo_user.env_vars; *ep != NULL; ep++) {
+ strlcat(evstr, *ep, evlen);
+ strlcat(evstr, " ", evlen); /* NOTE: last one will fail */
+ }
+ len += sizeof(LL_ENV_STR) + 2 + evlen;
+ }
+ if (user_cmnd != NULL) {
+ /* Note: we log "sudo -l command arg ..." as "list command arg ..." */
+ len += sizeof(LL_CMND_STR) - 1 + strlen(user_cmnd);
+ if (ISSET(sudo_mode, MODE_CHECK))
+ len += sizeof("list ") - 1;
+ if (user_args != NULL)
+ len += strlen(user_args) + 1;
+ }
+
+ /*
+ * Allocate and build up the line.
+ */
+ line = emalloc(++len);
+ line[0] = '\0';
+
+ if (message != NULL) {
+ if (strlcat(line, message, len) >= len ||
+ strlcat(line, errstr ? " : " : " ; ", len) >= len)
+ goto toobig;
+ }
+ if (serrno) {
+ if (strlcat(line, errstr, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ }
+ if (strlcat(line, LL_TTY_STR, len) >= len ||
+ strlcat(line, user_tty, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ if (strlcat(line, LL_CWD_STR, len) >= len ||
+ strlcat(line, user_cwd, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ if (runas_pw != NULL) {
+ if (strlcat(line, LL_USER_STR, len) >= len ||
+ strlcat(line, runas_pw->pw_name, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ }
+ if (runas_gr != NULL) {
+ if (strlcat(line, LL_GROUP_STR, len) >= len ||
+ strlcat(line, runas_gr->gr_name, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ }
+ if (tsid != NULL) {
+ if (strlcat(line, LL_TSID_STR, len) >= len ||
+ strlcat(line, tsid, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ }
+ if (evstr != NULL) {
+ if (strlcat(line, LL_ENV_STR, len) >= len ||
+ strlcat(line, evstr, len) >= len ||
+ strlcat(line, " ; ", len) >= len)
+ goto toobig;
+ efree(evstr);
+ }
+ if (user_cmnd != NULL) {
+ if (strlcat(line, LL_CMND_STR, len) >= len)
+ goto toobig;
+ if (ISSET(sudo_mode, MODE_CHECK) && strlcat(line, "list ", len) >= len)
+ goto toobig;
+ if (strlcat(line, user_cmnd, len) >= len)
+ goto toobig;
+ if (user_args != NULL) {
+ if (strlcat(line, " ", len) >= len ||
+ strlcat(line, user_args, len) >= len)
+ goto toobig;
+ }
+ }
+
+ return line;
+toobig:
+ errorx(1, "internal error: insufficient space for log line");
+}
projects / debian / sudo / blobdiff