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Diffstat (limited to 'usr.sbin/tzsetup/tzsetup.c')
-rw-r--r--usr.sbin/tzsetup/tzsetup.c1022
1 files changed, 1022 insertions, 0 deletions
diff --git a/usr.sbin/tzsetup/tzsetup.c b/usr.sbin/tzsetup/tzsetup.c
new file mode 100644
index 000000000000..7dffb236af18
--- /dev/null
+++ b/usr.sbin/tzsetup/tzsetup.c
@@ -0,0 +1,1022 @@
+/*
+ * Copyright 1996 Massachusetts Institute of Technology
+ *
+ * Permission to use, copy, modify, and distribute this software and
+ * its documentation for any purpose and without fee is hereby
+ * granted, provided that both the above copyright notice and this
+ * permission notice appear in all copies, that both the above
+ * copyright notice and this permission notice appear in all
+ * supporting documentation, and that the name of M.I.T. not be used
+ * in advertising or publicity pertaining to distribution of the
+ * software without specific, written prior permission. M.I.T. makes
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied
+ * warranty.
+ *
+ * THIS SOFTWARE IS PROVIDED BY M.I.T. ``AS IS''. M.I.T. DISCLAIMS
+ * ALL EXPRESS OR IMPLIED WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT
+ * SHALL M.I.T. 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.
+ */
+
+/*
+ * Second attempt at a `tzmenu' program, using the separate description
+ * files provided in newer tzdata releases.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <err.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <sys/fcntl.h>
+#include <sys/param.h>
+#include <sys/queue.h>
+#include <sys/stat.h>
+#include <sys/sysctl.h>
+
+#ifdef HAVE_BSDDIALOG
+#include <bsddialog.h>
+#include <locale.h>
+#endif
+
+#define _PATH_ZONETAB "/usr/share/zoneinfo/zone1970.tab"
+#define _PATH_ISO3166 "/usr/share/misc/iso3166"
+#define _PATH_ZONEINFO "/usr/share/zoneinfo"
+#define _PATH_LOCALTIME "/etc/localtime"
+#define _PATH_DB "/var/db/zoneinfo"
+#define _PATH_WALL_CMOS_CLOCK "/etc/wall_cmos_clock"
+
+#ifdef PATH_MAX
+#define SILLY_BUFFER_SIZE 2*PATH_MAX
+#else
+#warning "Somebody needs to fix this to dynamically size this buffer."
+#define SILLY_BUFFER_SIZE 2048
+#endif
+
+/* special return codes for `fire' actions */
+#define DITEM_FAILURE 1
+
+/* flags - returned in upper 16 bits of return status */
+#define DITEM_LEAVE_MENU (1 << 16)
+#define DITEM_RECREATE (1 << 18)
+
+static char path_zonetab[MAXPATHLEN], path_iso3166[MAXPATHLEN],
+ path_zoneinfo[MAXPATHLEN], path_localtime[MAXPATHLEN],
+ path_db[MAXPATHLEN], path_wall_cmos_clock[MAXPATHLEN];
+
+static int reallydoit = 1;
+static int reinstall = 0;
+static char *chrootenv = NULL;
+
+static void usage(void);
+static int install_zoneinfo(const char *zoneinfo);
+static int install_zoneinfo_file(const char *zoneinfo_file);
+
+#ifdef HAVE_BSDDIALOG
+static struct bsddialog_conf conf;
+
+/* for use in describing more exotic behaviors */
+typedef struct dialogMenuItem {
+ char *prompt;
+ char *title;
+ int (*fire)(struct dialogMenuItem *self);
+ void *data;
+} dialogMenuItem;
+
+static int
+xdialog_menu(char *title, char *cprompt, int height, int width,
+ int menu_height, int item_no, dialogMenuItem *ditems)
+{
+ int i, result, choice = 0;
+ struct bsddialog_menuitem *listitems;
+
+ /* initialize list items */
+ listitems = calloc(item_no + 1, sizeof(struct bsddialog_menuitem));
+ if (listitems == NULL)
+ errx(1, "Failed to allocate memory in xdialog_menu");
+ for (i = 0; i < item_no; i++) {
+ listitems[i].prefix = "";
+ listitems[i].depth = 0;
+ listitems[i].bottomdesc = "";
+ listitems[i].on = false;
+ listitems[i].name = ditems[i].prompt;
+ listitems[i].desc = ditems[i].title;
+ }
+
+ if (height < 0)
+ height = BSDDIALOG_AUTOSIZE;
+
+ if (width < 0) {
+ width = BSDDIALOG_AUTOSIZE;
+ conf.auto_minwidth = 24;
+ }
+
+again:
+ conf.title = title;
+ result = bsddialog_menu(&conf, cprompt, height, width,
+ menu_height, item_no, listitems, &choice);
+ switch (result) {
+ case BSDDIALOG_ESC:
+ result = -1;
+ break;
+ case BSDDIALOG_OK:
+ if (ditems[choice].fire != NULL) {
+ int status;
+
+ status = ditems[choice].fire(ditems + choice);
+ if (status & DITEM_RECREATE) {
+ goto again;
+ }
+ }
+ result = 0;
+ break;
+ case BSDDIALOG_CANCEL:
+ default:
+ result = 1;
+ break;
+ }
+
+ free(listitems);
+ return (result);
+}
+
+static int usedialog = 1;
+
+static int confirm_zone(const char *filename);
+static int continent_country_menu(dialogMenuItem *);
+static int set_zone_multi(dialogMenuItem *);
+static int set_zone_whole_country(dialogMenuItem *);
+static int set_zone_menu(dialogMenuItem *);
+static int set_zone_utc(void);
+
+struct continent {
+ dialogMenuItem *menu;
+ int nitems;
+};
+
+static struct continent africa, america, antarctica, asia, atlantic;
+static struct continent australia, europe, indian, pacific, utc;
+
+static struct continent_names {
+ const char *name;
+ struct continent *continent;
+} continent_names[] = {
+ { "Africa", &africa },
+ { "America", &america },
+ { "Antarctica", &antarctica },
+ { "Asia", &asia },
+ { "Atlantic", &atlantic },
+ { "Australia", &australia },
+ { "Europe", &europe },
+ { "Indian", &indian },
+ { "Pacific", &pacific },
+ { "UTC", &utc }
+};
+
+static struct continent_items {
+ char prompt[2];
+ char title[30];
+} continent_items[] = {
+ { "1", "Africa" },
+ { "2", "America -- North and South" },
+ { "3", "Antarctica" },
+ { "4", "Asia" },
+ { "5", "Atlantic Ocean" },
+ { "6", "Australia" },
+ { "7", "Europe" },
+ { "8", "Indian Ocean" },
+ { "9", "Pacific Ocean" },
+ { "0", "UTC" }
+};
+
+#define NCONTINENTS \
+ (int)((sizeof(continent_items)) / (sizeof(continent_items[0])))
+static dialogMenuItem continents[NCONTINENTS];
+
+#define OCEANP(x) ((x) == 4 || (x) == 7 || (x) == 8)
+
+static int
+continent_country_menu(dialogMenuItem *continent)
+{
+ char title[64], prompt[64];
+ struct continent *contp = continent->data;
+ int isocean = OCEANP(continent - continents);
+ int menulen;
+ int rv;
+
+ if (strcmp(continent->title, "UTC") == 0)
+ return (set_zone_utc());
+
+ /* Short cut -- if there's only one country, don't post a menu. */
+ if (contp->nitems == 1)
+ return (contp->menu[0].fire(&contp->menu[0]));
+
+ /* It's amazing how much good grammar really matters... */
+ if (!isocean) {
+ snprintf(title, sizeof(title), "Countries in %s",
+ continent->title);
+ snprintf(prompt, sizeof(prompt), "Select a country or region");
+ } else {
+ snprintf(title, sizeof(title), "Islands and groups in the %s",
+ continent->title);
+ snprintf(prompt, sizeof(prompt), "Select an island or group");
+ }
+
+ menulen = contp->nitems < 16 ? contp->nitems : 16;
+ rv = xdialog_menu(title, prompt, -1, -1, menulen, contp->nitems,
+ contp->menu);
+ if (rv == 0)
+ return (DITEM_LEAVE_MENU);
+ return (DITEM_RECREATE);
+}
+
+static struct continent *
+find_continent(const char *name)
+{
+ int i;
+
+ for (i = 0; i < NCONTINENTS; i++)
+ if (strcmp(name, continent_names[i].name) == 0)
+ return (continent_names[i].continent);
+ return (0);
+}
+
+struct country {
+ char *name;
+ char *tlc;
+ int nzones;
+ char *filename; /* use iff nzones < 0 */
+ struct continent *continent; /* use iff nzones < 0 */
+ TAILQ_HEAD(, zone) zones; /* use iff nzones > 0 */
+ dialogMenuItem *submenu; /* use iff nzones > 0 */
+};
+
+struct zone {
+ TAILQ_ENTRY(zone) link;
+ char *descr;
+ char *filename;
+ struct continent *continent;
+};
+
+/*
+ * This is the easiest organization... we use ISO 3166 country codes,
+ * of the two-letter variety, so we just size this array to suit.
+ * Beats worrying about dynamic allocation.
+ */
+#define NCOUNTRIES (26 * 26)
+static struct country countries[NCOUNTRIES];
+
+#define CODE2INT(s) ((s[0] - 'A') * 26 + (s[1] - 'A'))
+
+/*
+ * Read the ISO 3166 country code database in _PATH_ISO3166
+ * (/usr/share/misc/iso3166). On error, exit via err(3).
+ */
+static void
+read_iso3166_table(void)
+{
+ FILE *fp;
+ struct country *cp;
+ size_t len;
+ char *s, *t, *name;
+ int lineno;
+
+ fp = fopen(path_iso3166, "r");
+ if (!fp)
+ err(1, "%s", path_iso3166);
+ lineno = 0;
+
+ while ((s = fgetln(fp, &len)) != NULL) {
+ lineno++;
+ if (s[len - 1] != '\n')
+ errx(1, "%s:%d: invalid format", path_iso3166, lineno);
+ s[len - 1] = '\0';
+ if (s[0] == '#' || strspn(s, " \t") == len - 1)
+ continue;
+
+ /* Isolate the two-letter code. */
+ t = strsep(&s, "\t");
+ if (t == NULL || strlen(t) != 2)
+ errx(1, "%s:%d: invalid format", path_iso3166, lineno);
+ if (t[0] < 'A' || t[0] > 'Z' || t[1] < 'A' || t[1] > 'Z')
+ errx(1, "%s:%d: invalid code `%s'", path_iso3166,
+ lineno, t);
+
+ /* Now skip past the three-letter and numeric codes. */
+ name = strsep(&s, "\t"); /* 3-let */
+ if (name == NULL || strlen(name) != 3)
+ errx(1, "%s:%d: invalid format", path_iso3166, lineno);
+ name = strsep(&s, "\t"); /* numeric */
+ if (name == NULL || strlen(name) != 3)
+ errx(1, "%s:%d: invalid format", path_iso3166, lineno);
+
+ name = s;
+
+ cp = &countries[CODE2INT(t)];
+ if (cp->name)
+ errx(1, "%s:%d: country code `%s' multiply defined: %s",
+ path_iso3166, lineno, t, cp->name);
+ cp->name = strdup(name);
+ if (cp->name == NULL)
+ errx(1, "malloc failed");
+ cp->tlc = strdup(t);
+ if (cp->tlc == NULL)
+ errx(1, "malloc failed");
+ }
+
+ fclose(fp);
+}
+
+static void
+add_zone_to_country(int lineno, const char *tlc, const char *descr,
+ const char *file, struct continent *cont)
+{
+ struct zone *zp;
+ struct country *cp;
+
+ if (tlc[0] < 'A' || tlc[0] > 'Z' || tlc[1] < 'A' || tlc[1] > 'Z')
+ errx(1, "%s:%d: country code `%s' invalid", path_zonetab,
+ lineno, tlc);
+
+ cp = &countries[CODE2INT(tlc)];
+ if (cp->name == 0)
+ errx(1, "%s:%d: country code `%s' unknown", path_zonetab,
+ lineno, tlc);
+
+ if (descr) {
+ if (cp->nzones < 0)
+ errx(1, "%s:%d: conflicting zone definition",
+ path_zonetab, lineno);
+
+ zp = malloc(sizeof(*zp));
+ if (zp == NULL)
+ errx(1, "malloc(%zu)", sizeof(*zp));
+
+ if (cp->nzones == 0)
+ TAILQ_INIT(&cp->zones);
+
+ zp->descr = strdup(descr);
+ if (zp->descr == NULL)
+ errx(1, "malloc failed");
+ zp->filename = strdup(file);
+ if (zp->filename == NULL)
+ errx(1, "malloc failed");
+ zp->continent = cont;
+ TAILQ_INSERT_TAIL(&cp->zones, zp, link);
+ cp->nzones++;
+ } else {
+ if (cp->nzones > 0)
+ errx(1, "%s:%d: zone must have description",
+ path_zonetab, lineno);
+ if (cp->nzones < 0)
+ errx(1, "%s:%d: zone multiply defined",
+ path_zonetab, lineno);
+ cp->nzones = -1;
+ cp->filename = strdup(file);
+ if (cp->filename == NULL)
+ errx(1, "malloc failed");
+ cp->continent = cont;
+ }
+}
+
+/*
+ * This comparison function intentionally sorts all of the null-named
+ * ``countries''---i.e., the codes that don't correspond to a real
+ * country---to the end. Everything else is lexical by country name.
+ */
+static int
+compare_countries(const void *xa, const void *xb)
+{
+ const struct country *a = xa, *b = xb;
+
+ if (a->name == 0 && b->name == 0)
+ return (0);
+ if (a->name == 0 && b->name != 0)
+ return (1);
+ if (b->name == 0)
+ return (-1);
+
+ return (strcmp(a->name, b->name));
+}
+
+/*
+ * This must be done AFTER all zone descriptions are read, since it breaks
+ * CODE2INT().
+ */
+static void
+sort_countries(void)
+{
+
+ qsort(countries, NCOUNTRIES, sizeof(countries[0]), compare_countries);
+}
+
+static void
+read_zones(void)
+{
+ char contbuf[16];
+ FILE *fp;
+ struct continent *cont;
+ size_t len, contlen;
+ char *line, *country_list, *tlc, *file, *descr, *p;
+ int lineno;
+
+ fp = fopen(path_zonetab, "r");
+ if (!fp)
+ err(1, "%s", path_zonetab);
+ lineno = 0;
+
+ while ((line = fgetln(fp, &len)) != NULL) {
+ lineno++;
+ if (line[len - 1] != '\n')
+ errx(1, "%s:%d: invalid format", path_zonetab, lineno);
+ line[len - 1] = '\0';
+ if (line[0] == '#')
+ continue;
+
+ country_list = strsep(&line, "\t");
+ /* coord = */ strsep(&line, "\t"); /* Unused */
+ file = strsep(&line, "\t");
+ /* get continent portion from continent/country */
+ p = strchr(file, '/');
+ if (p == NULL)
+ errx(1, "%s:%d: invalid zone name `%s'", path_zonetab,
+ lineno, file);
+ contlen = p - file + 1; /* trailing nul */
+ if (contlen > sizeof(contbuf))
+ errx(1, "%s:%d: continent name in zone name `%s' too long",
+ path_zonetab, lineno, file);
+ strlcpy(contbuf, file, contlen);
+ cont = find_continent(contbuf);
+ if (!cont)
+ errx(1, "%s:%d: invalid region `%s'", path_zonetab,
+ lineno, contbuf);
+
+ descr = (line != NULL && *line != '\0') ? line : NULL;
+
+ while (country_list != NULL) {
+ tlc = strsep(&country_list, ",");
+ if (strlen(tlc) != 2)
+ errx(1, "%s:%d: invalid country code `%s'",
+ path_zonetab, lineno, tlc);
+ add_zone_to_country(lineno, tlc, descr, file, cont);
+ }
+ }
+ fclose(fp);
+}
+
+static void
+make_menus(void)
+{
+ struct country *cp;
+ struct zone *zp, *zp2;
+ struct continent *cont;
+ dialogMenuItem *dmi;
+ int i;
+
+ /*
+ * First, count up all the countries in each continent/ocean.
+ * Be careful to count those countries which have multiple zones
+ * only once for each. NB: some countries are in multiple
+ * continents/oceans.
+ */
+ for (cp = countries; cp->name; cp++) {
+ if (cp->nzones == 0)
+ continue;
+ if (cp->nzones < 0) {
+ cp->continent->nitems++;
+ } else {
+ TAILQ_FOREACH(zp, &cp->zones, link) {
+ cont = zp->continent;
+ for (zp2 = TAILQ_FIRST(&cp->zones);
+ zp2->continent != cont;
+ zp2 = TAILQ_NEXT(zp2, link))
+ ;
+ if (zp2 == zp)
+ zp->continent->nitems++;
+ }
+ }
+ }
+
+ /*
+ * Now allocate memory for the country menus and initialize
+ * continent menus. We set nitems back to zero so that we can
+ * use it for counting again when we actually build the menus.
+ */
+ memset(continents, 0, sizeof(continents));
+ for (i = 0; i < NCONTINENTS; i++) {
+ continent_names[i].continent->menu =
+ malloc(sizeof(dialogMenuItem) *
+ continent_names[i].continent->nitems);
+ if (continent_names[i].continent->menu == NULL)
+ errx(1, "malloc for continent menu");
+ continent_names[i].continent->nitems = 0;
+ continents[i].prompt = continent_items[i].prompt;
+ continents[i].title = continent_items[i].title;
+ continents[i].fire = continent_country_menu;
+ continents[i].data = continent_names[i].continent;
+ }
+
+ /*
+ * Now that memory is allocated, create the menu items for
+ * each continent. For multiple-zone countries, also create
+ * the country's zone submenu.
+ */
+ for (cp = countries; cp->name; cp++) {
+ if (cp->nzones == 0)
+ continue;
+ if (cp->nzones < 0) {
+ dmi = &cp->continent->menu[cp->continent->nitems];
+ memset(dmi, 0, sizeof(*dmi));
+ asprintf(&dmi->prompt, "%d", ++cp->continent->nitems);
+ dmi->title = cp->name;
+ dmi->fire = set_zone_whole_country;
+ dmi->data = cp;
+ } else {
+ cp->submenu = malloc(cp->nzones * sizeof(*dmi));
+ if (cp->submenu == 0)
+ errx(1, "malloc for submenu");
+ cp->nzones = 0;
+ TAILQ_FOREACH(zp, &cp->zones, link) {
+ cont = zp->continent;
+ dmi = &cp->submenu[cp->nzones];
+ memset(dmi, 0, sizeof(*dmi));
+ asprintf(&dmi->prompt, "%d", ++cp->nzones);
+ dmi->title = zp->descr;
+ dmi->fire = set_zone_multi;
+ dmi->data = zp;
+
+ for (zp2 = TAILQ_FIRST(&cp->zones);
+ zp2->continent != cont;
+ zp2 = TAILQ_NEXT(zp2, link))
+ ;
+ if (zp2 != zp)
+ continue;
+
+ dmi = &cont->menu[cont->nitems];
+ memset(dmi, 0, sizeof(*dmi));
+ asprintf(&dmi->prompt, "%d", ++cont->nitems);
+ dmi->title = cp->name;
+ dmi->fire = set_zone_menu;
+ dmi->data = cp;
+ }
+ }
+ }
+}
+
+static int
+set_zone_menu(dialogMenuItem *dmi)
+{
+ char title[64], prompt[64];
+ struct country *cp = dmi->data;
+ int menulen;
+ int rv;
+
+ snprintf(title, sizeof(title), "%s Time Zones", cp->name);
+ snprintf(prompt, sizeof(prompt),
+ "Select a zone which observes the same time as your locality.");
+ menulen = cp->nzones < 16 ? cp->nzones : 16;
+ rv = xdialog_menu(title, prompt, -1, -1, menulen, cp->nzones,
+ cp->submenu);
+ if (rv != 0)
+ return (DITEM_RECREATE);
+ return (DITEM_LEAVE_MENU);
+}
+
+static int
+set_zone_utc(void)
+{
+ if (!confirm_zone("UTC"))
+ return (DITEM_FAILURE | DITEM_RECREATE);
+
+ return (install_zoneinfo("UTC"));
+}
+
+static int
+confirm_zone(const char *filename)
+{
+ char prompt[64];
+ time_t t = time(0);
+ struct tm *tm;
+ int rv;
+
+ setenv("TZ", filename, 1);
+ tzset();
+ tm = localtime(&t);
+
+ snprintf(prompt, sizeof(prompt),
+ "Does the abbreviation `%s' look reasonable?", tm->tm_zone);
+ conf.title = "Confirmation";
+ rv = !bsddialog_yesno(&conf, prompt, 5, 72);
+ return (rv);
+}
+
+static int
+set_zone_multi(dialogMenuItem *dmi)
+{
+ struct zone *zp = dmi->data;
+ int rv;
+
+ if (!confirm_zone(zp->filename))
+ return (DITEM_FAILURE | DITEM_RECREATE);
+
+ rv = install_zoneinfo(zp->filename);
+ return (rv);
+}
+
+static int
+set_zone_whole_country(dialogMenuItem *dmi)
+{
+ struct country *cp = dmi->data;
+ int rv;
+
+ if (!confirm_zone(cp->filename))
+ return (DITEM_FAILURE | DITEM_RECREATE);
+
+ rv = install_zoneinfo(cp->filename);
+ return (rv);
+}
+
+#endif
+
+static int
+install_zoneinfo_file(const char *zoneinfo_file)
+{
+ char buf[1024];
+ char prompt[SILLY_BUFFER_SIZE];
+ struct stat sb;
+ ssize_t len;
+ int fd1, fd2, copymode;
+
+ if (lstat(path_localtime, &sb) < 0) {
+ /* Nothing there yet... */
+ copymode = 1;
+ } else if (S_ISLNK(sb.st_mode))
+ copymode = 0;
+ else
+ copymode = 1;
+
+#ifdef VERBOSE
+ if (copymode)
+ snprintf(prompt, sizeof(prompt),
+ "Copying %s to %s", zoneinfo_file, path_localtime);
+ else
+ snprintf(prompt, sizeof(prompt),
+ "Creating symbolic link %s to %s",
+ path_localtime, zoneinfo_file);
+#ifdef HAVE_BSDDIALOG
+ if (usedialog)
+ conf.title = "Info";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+#endif
+
+ if (reallydoit) {
+ if (copymode) {
+ fd1 = open(zoneinfo_file, O_RDONLY, 0);
+ if (fd1 < 0) {
+ snprintf(prompt, sizeof(prompt),
+ "Could not open %s: %s", zoneinfo_file,
+ strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+
+ if (unlink(path_localtime) < 0 && errno != ENOENT) {
+ snprintf(prompt, sizeof(prompt),
+ "Could not delete %s: %s",
+ path_localtime, strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+
+ fd2 = open(path_localtime, O_CREAT | O_EXCL | O_WRONLY,
+ S_IRUSR | S_IRGRP | S_IROTH);
+ if (fd2 < 0) {
+ snprintf(prompt, sizeof(prompt),
+ "Could not open %s: %s",
+ path_localtime, strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+
+ while ((len = read(fd1, buf, sizeof(buf))) > 0)
+ if ((len = write(fd2, buf, len)) < 0)
+ break;
+
+ if (len == -1) {
+ snprintf(prompt, sizeof(prompt),
+ "Error copying %s to %s %s", zoneinfo_file,
+ path_localtime, strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ /* Better to leave none than a corrupt one. */
+ unlink(path_localtime);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+ close(fd1);
+ close(fd2);
+ } else {
+ if (access(zoneinfo_file, R_OK) != 0) {
+ snprintf(prompt, sizeof(prompt),
+ "Cannot access %s: %s", zoneinfo_file,
+ strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+ if (unlink(path_localtime) < 0 && errno != ENOENT) {
+ snprintf(prompt, sizeof(prompt),
+ "Could not delete %s: %s",
+ path_localtime, strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+ if (symlink(zoneinfo_file, path_localtime) < 0) {
+ snprintf(prompt, sizeof(prompt),
+ "Cannot create symbolic link %s to %s: %s",
+ path_localtime, zoneinfo_file,
+ strerror(errno));
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Error";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+ return (DITEM_FAILURE | DITEM_RECREATE);
+ }
+ }
+
+#ifdef VERBOSE
+ if (copymode)
+ snprintf(prompt, sizeof(prompt),
+ "Copied timezone file from %s to %s",
+ zoneinfo_file, path_localtime);
+ else
+ snprintf(prompt, sizeof(prompt),
+ "Created symbolic link from %s to %s",
+ zoneinfo_file, path_localtime);
+#ifdef HAVE_BSDDIALOG
+ if (usedialog) {
+ conf.title = "Done";
+ bsddialog_msgbox(&conf, prompt, 8, 72);
+ } else
+#endif
+ fprintf(stderr, "%s\n", prompt);
+#endif
+ } /* reallydoit */
+
+ return (DITEM_LEAVE_MENU);
+}
+
+static int
+install_zoneinfo(const char *zoneinfo)
+{
+ int rv;
+ FILE *f;
+ char path_zoneinfo_file[MAXPATHLEN];
+
+ if ((size_t)snprintf(path_zoneinfo_file, sizeof(path_zoneinfo_file),
+ "%s/%s", path_zoneinfo, zoneinfo) >= sizeof(path_zoneinfo_file))
+ errx(1, "%s/%s name too long", path_zoneinfo, zoneinfo);
+ rv = install_zoneinfo_file(path_zoneinfo_file);
+
+ /* Save knowledge for later */
+ if (reallydoit && (rv & DITEM_FAILURE) == 0) {
+ if ((f = fopen(path_db, "w")) != NULL) {
+ fprintf(f, "%s\n", zoneinfo);
+ fclose(f);
+ }
+ }
+
+ return (rv);
+}
+
+static void
+usage(void)
+{
+
+ fprintf(stderr, "usage: tzsetup [-nrs] [-C chroot_directory]"
+ " [zoneinfo_file | zoneinfo_name]\n");
+ exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+#ifdef HAVE_BSDDIALOG
+ char prompt[128];
+ int fd;
+#endif
+ int c, rv, skiputc;
+ char vm_guest[16] = "";
+ size_t len = sizeof(vm_guest);
+
+ skiputc = 0;
+
+#ifdef HAVE_BSDDIALOG
+ setlocale(LC_ALL, "");
+#endif
+
+ /* Default skiputc to 1 for VM guests */
+ if (sysctlbyname("kern.vm_guest", vm_guest, &len, NULL, 0) == 0 &&
+ strcmp(vm_guest, "none") != 0)
+ skiputc = 1;
+
+ while ((c = getopt(argc, argv, "C:nrs")) != -1) {
+ switch(c) {
+ case 'C':
+ chrootenv = optarg;
+ break;
+ case 'n':
+ reallydoit = 0;
+ break;
+ case 'r':
+ reinstall = 1;
+#ifdef HAVE_BSDDIALOG
+ usedialog = 0;
+#endif
+ break;
+ case 's':
+ skiputc = 1;
+ break;
+ default:
+ usage();
+ }
+ }
+
+ if (argc - optind > 1)
+ usage();
+
+ if (chrootenv == NULL) {
+ strcpy(path_zonetab, _PATH_ZONETAB);
+ strcpy(path_iso3166, _PATH_ISO3166);
+ strcpy(path_zoneinfo, _PATH_ZONEINFO);
+ strcpy(path_localtime, _PATH_LOCALTIME);
+ strcpy(path_db, _PATH_DB);
+ strcpy(path_wall_cmos_clock, _PATH_WALL_CMOS_CLOCK);
+ } else {
+ sprintf(path_zonetab, "%s/%s", chrootenv, _PATH_ZONETAB);
+ sprintf(path_iso3166, "%s/%s", chrootenv, _PATH_ISO3166);
+ sprintf(path_zoneinfo, "%s/%s", chrootenv, _PATH_ZONEINFO);
+ sprintf(path_localtime, "%s/%s", chrootenv, _PATH_LOCALTIME);
+ sprintf(path_db, "%s/%s", chrootenv, _PATH_DB);
+ sprintf(path_wall_cmos_clock, "%s/%s", chrootenv,
+ _PATH_WALL_CMOS_CLOCK);
+ }
+
+ /* Override the user-supplied umask. */
+ (void)umask(S_IWGRP | S_IWOTH);
+
+ if (reinstall == 1) {
+ FILE *f;
+ char zoneinfo[MAXPATHLEN];
+
+ if ((f = fopen(path_db, "r")) != NULL) {
+ if (fgets(zoneinfo, sizeof(zoneinfo), f) != NULL) {
+ zoneinfo[sizeof(zoneinfo) - 1] = 0;
+ if (strlen(zoneinfo) > 0) {
+ zoneinfo[strlen(zoneinfo) - 1] = 0;
+ rv = install_zoneinfo(zoneinfo);
+ exit(rv & ~DITEM_LEAVE_MENU);
+ }
+ errx(1, "Error reading %s.\n", path_db);
+ }
+ fclose(f);
+ errx(1,
+ "Unable to determine earlier installed zoneinfo "
+ "name. Check %s", path_db);
+ }
+ errx(1, "Cannot open %s for reading. Does it exist?", path_db);
+ }
+
+ /*
+ * If the arguments on the command-line do not specify a file,
+ * then interpret it as a zoneinfo name
+ */
+ if (optind == argc - 1) {
+ struct stat sb;
+
+ if (stat(argv[optind], &sb) != 0) {
+#ifdef HAVE_BSDDIALOG
+ usedialog = 0;
+#endif
+ rv = install_zoneinfo(argv[optind]);
+ exit(rv & ~DITEM_LEAVE_MENU);
+ }
+ /* FALLTHROUGH */
+ }
+#ifdef HAVE_BSDDIALOG
+
+ read_iso3166_table();
+ read_zones();
+ sort_countries();
+ make_menus();
+
+ bsddialog_initconf(&conf);
+ conf.clear = true;
+ conf.key.enable_esc = true;
+
+ if (bsddialog_init() == BSDDIALOG_ERROR) {
+ printf("Error bsddialog: %s\n", bsddialog_geterror());
+ return (1);
+ }
+
+ if (skiputc == 0) {
+ int yesno;
+
+ snprintf(prompt, sizeof(prompt),
+ "Is this machine's CMOS clock set to UTC? "
+ "If it is set to local time,\n"
+ "or you don't know, please choose NO here!");
+
+ conf.button.default_cancel = false;
+ conf.title = "Select local or UTC (Greenwich Mean Time) clock";
+ yesno = bsddialog_yesno(&conf, prompt, 7, 73);
+ if (!yesno) {
+ if (reallydoit)
+ unlink(path_wall_cmos_clock);
+ } else {
+ if (reallydoit) {
+ fd = open(path_wall_cmos_clock,
+ O_WRONLY | O_CREAT | O_TRUNC,
+ S_IRUSR | S_IRGRP | S_IROTH);
+ if (fd < 0) {
+ bsddialog_end();
+ err(1, "create %s",
+ path_wall_cmos_clock);
+ }
+ close(fd);
+ }
+ }
+ }
+ if (optind == argc - 1) {
+ snprintf(prompt, sizeof(prompt),
+ "\nUse the default `%s' zone?", argv[optind]);
+ conf.title = "Default timezone provided";
+ if (!bsddialog_yesno(&conf, prompt, 7, 72)) {
+ rv = install_zoneinfo_file(argv[optind]);
+ bsddialog_end();
+ exit(rv & ~DITEM_LEAVE_MENU);
+ }
+ }
+ xdialog_menu("Time Zone Selector", "Select a region", -1, -1,
+ NCONTINENTS, NCONTINENTS, continents);
+
+ bsddialog_end();
+#else
+ usage();
+#endif
+ return (0);
+}