util.c revision d71dbb732372504daff1f1783bc0d8864ce9bd50
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * CDDL HEADER START
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d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Common Development and Distribution License (the "License").
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d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Use is subject to license terms.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck#pragma ident "%Z%%M% %I% %E% SMI"
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * util.c contains a set of miscellaneous utility functions which:
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - syslog(LOG_DEBUG, ...) if debugging is enabled
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - check for an IP interface being marked running
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - look up all flags for an IP interface
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - start a child process
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - schedule a timer
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - check to see if a user is logged in to a graphical console
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * - look up the zone name
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckextern char **environ;
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return ((get_ifflags(i->if_name, i->if_family) & IFF_RUNNING) != 0);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck (void) strlcpy(intf.if_name, name, sizeof (intf.if_name));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (0);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Interfaces can be ripped out from underneath us (for example
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * by DHCP). We don't want to spam the console for those.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("get_ifflags: icfg_get_flags failed for '%s'",
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck /* just to be sure... */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * This starts a child process determined by command. If command contains a
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * slash then it is assumed to be a full path; otherwise the path is searched
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * for an executable file with the name command. Command is also used as
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * argv[0] of the new process. The rest of the arguments of the function
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * up to the first NULL make up pointers to arguments of the new process.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * This function returns child exit status on success and -1 on failure.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * NOTE: original_sigmask must be set before this function is called.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeckstart_childv(const char *command, char const * const *argv)
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck n = sizeof (vbuf);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "start_childv can't log full arg vector");
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("posix_spawnattr_init %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_setsigdefault(&attr, &fullset)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnattr_setsigmask(&attr, &original_sigmask)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck POSIX_SPAWN_SETSIGDEF|POSIX_SPAWN_SETSIGMASK)) != 0) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((rc = posix_spawnp(&pid, command, NULL, &attr, (char * const *)argv,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck dprintf("posix_spawn_attr_destroy %d %s\n", rc, strerror(rc));
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck i = WIFSIGNALED(status) ? WTERMSIG(status) : WSTOPSIG(status);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_ERR, "'%s%s' %s with signal %d (%s)", command, vbuf,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-2);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck syslog(LOG_INFO, "'%s%s' completed normally: %d", command, vbuf,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if (p != NULL) {
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck return (-1);
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Schedules a SIGALRM in delay seconds, unless one is already
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * scheduled sooner. If one is already scheduled later than
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * delay seconds from now, that one will be replaced.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck char buf[1024]; /* == sysconf(_SC_GETPW_R_SIZE_MAX) == NSS_BUFSIZ */
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Check to see if our SMF property says popups are OK.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck if ((lookup_boolean_property(OUR_PG, query ? "popup_query" :
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * Look for someone logged into the console from host ":0" (i.e.,
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * the X display. Down the road, we should generalize this so
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * ":0" is not hard-coded.
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * We shouldn't be dumping this into our environment or changing
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * our uid/gid but instead starting up the zenity processes with
d71dbb732372504daff1f1783bc0d8864ce9bd50jbeck * this display as this user. RFE to change this.