* 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.
- *
- * $Id: pw_user.c,v 1.1.1.2 1996/12/09 23:55:10 joerg Exp $
*/
-#include <unistd.h>
-#include <fcntl.h>
+#ifndef lint
+static const char rcsid[] =
+ "$Id$";
+#endif /* not lint */
+
#include <ctype.h>
-#include <paths.h>
+#include <err.h>
+#include <fcntl.h>
#include <sys/param.h>
#include <dirent.h>
+#include <paths.h>
#include <termios.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <unistd.h>
+#include <utmp.h>
+#if defined(USE_MD5RAND)
+#include <md5.h>
+#endif
#include "pw.h"
#include "bitmap.h"
#include "pwupd.h"
+#if (MAXLOGNAME-1) > UT_NAMESIZE
+#define LOGNAMESIZE UT_NAMESIZE
+#else
+#define LOGNAMESIZE (MAXLOGNAME-1)
+#endif
+
+static randinit;
+
static int print_user(struct passwd * pwd, int pretty);
static uid_t pw_uidpolicy(struct userconf * cnf, struct cargs * args);
static uid_t pw_gidpolicy(struct userconf * cnf, struct cargs * args, char *nam, gid_t prefer);
static char *pw_homepolicy(struct userconf * cnf, struct cargs * args, char const * user);
static char *pw_shellpolicy(struct userconf * cnf, struct cargs * args, char *newshell);
static char *pw_password(struct userconf * cnf, struct cargs * args, char const * user);
-static char *pw_checkname(char *name, int gecos);
static char *shell_path(char const * path, char *shells[], char *sh);
static void rmat(uid_t uid);
+static void rmskey(char const * name);
/*-
* -C config configuration file
int
pw_user(struct userconf * cnf, int mode, struct cargs * args)
{
+ int r, r1;
char *p = NULL;
struct carg *a_name;
struct carg *a_uid;
struct passwd *pwd = NULL;
struct group *grp;
struct stat st;
- char line[MAXPWLINE];
+ char line[_PASSWORD_LEN+1];
static struct passwd fakeuser =
{
if ((arg = getarg(args, 'b')) != NULL) {
cnf->home = arg->val;
- if (stat(cnf->home, &st) == -1 || !S_ISDIR(st.st_mode))
- cmderr(EX_OSFILE, "root home `%s' is not a directory or does not exist\n", cnf->home);
}
+
+ /*
+ * If we'll need to use it or we're updating it,
+ * then create the base home directory if necessary
+ */
+ if (arg != NULL || getarg(args, 'm') != NULL) {
+ int l = strlen(cnf->home);
+
+ if (l > 1 && cnf->home[l-1] == '/') /* Shave off any trailing path delimiter */
+ cnf->home[--l] = '\0';
+
+ if (l < 2 || *cnf->home != '/') /* Check for absolute path name */
+ errx(EX_DATAERR, "invalid base directory for home '%s'", cnf->home);
+
+ if (stat(cnf->home, &st) == -1) {
+ char dbuf[MAXPATHLEN];
+
+ /*
+ * This is a kludge especially for Joerg :)
+ * If the home directory would be created in the root partition, then
+ * we really create it under /usr which is likely to have more space.
+ * But we create a symlink from cnf->home -> "/usr" -> cnf->home
+ */
+ if (strchr(cnf->home+1, '/') == NULL) {
+ strcpy(dbuf, "/usr");
+ strncat(dbuf, cnf->home, MAXPATHLEN-5);
+ if (mkdir(dbuf, 0755) != -1 || errno == EEXIST) {
+ chown(dbuf, 0, 0);
+ symlink(dbuf, cnf->home);
+ }
+ /* If this falls, fall back to old method */
+ }
+ p = strncpy(dbuf, cnf->home, sizeof dbuf);
+ dbuf[MAXPATHLEN-1] = '\0';
+ if (stat(dbuf, &st) == -1) {
+ while ((p = strchr(++p, '/')) != NULL) {
+ *p = '\0';
+ if (stat(dbuf, &st) == -1) {
+ if (mkdir(dbuf, 0755) == -1)
+ goto direrr;
+ chown(dbuf, 0, 0);
+ } else if (!S_ISDIR(st.st_mode))
+ errx(EX_OSFILE, "'%s' (root home parent) is not a directory", dbuf);
+ *p = '/';
+ }
+ }
+ if (stat(dbuf, &st) == -1) {
+ if (mkdir(dbuf, 0755) == -1) {
+ direrr: err(EX_OSFILE, "mkdir '%s'", dbuf);
+ }
+ chown(dbuf, 0, 0);
+ }
+ } else if (!S_ISDIR(st.st_mode))
+ errx(EX_OSFILE, "root home `%s' is not a directory", cnf->home);
+ }
+
+
if ((arg = getarg(args, 'e')) != NULL)
cnf->expire_days = atoi(arg->val);
+ if ((arg = getarg(args, 'y')) != NULL)
+ cnf->nispasswd = arg->val;
+
if ((arg = getarg(args, 'p')) != NULL && arg->val)
cnf->password_days = atoi(arg->val);
p = arg->val;
if ((grp = getgrnam(p)) == NULL) {
if (!isdigit(*p) || (grp = getgrgid((gid_t) atoi(p))) == NULL)
- cmderr(EX_NOUSER, "group `%s' does not exist\n", p);
+ errx(EX_NOUSER, "group `%s' does not exist", p);
}
cnf->default_group = newstr(grp->gr_name);
}
if ((arg = getarg(args, 'L')) != NULL)
- cnf->default_class = pw_checkname(arg->val, 0);
+ cnf->default_class = pw_checkname((u_char *)arg->val, 0);
if ((arg = getarg(args, 'G')) != NULL && arg->val) {
int i = 0;
- for (p = strtok(arg->val, ", \t"); i < _UC_MAXGROUPS && p != NULL; p = strtok(NULL, ", \t")) {
+ for (p = strtok(arg->val, ", \t"); p != NULL; p = strtok(NULL, ", \t")) {
if ((grp = getgrnam(p)) == NULL) {
if (!isdigit(*p) || (grp = getgrgid((gid_t) atoi(p))) == NULL)
- cmderr(EX_NOUSER, "group `%s' does not exist\n", p);
+ errx(EX_NOUSER, "group `%s' does not exist", p);
}
- cnf->groups[i++] = newstr(grp->gr_name);
+ if (extendarray(&cnf->groups, &cnf->numgroups, i + 2) != -1)
+ cnf->groups[i++] = newstr(grp->gr_name);
}
- while (i < _UC_MAXGROUPS)
+ while (i < cnf->numgroups)
cnf->groups[i++] = NULL;
}
if ((arg = getarg(args, 'k')) != NULL) {
- if (stat(cnf->dotdir = arg->val, &st) == -1 || S_ISDIR(st.st_mode))
- cmderr(EX_OSFILE, "skeleton `%s' is not a directory or does not exist\n", cnf->dotdir);
+ if (stat(cnf->dotdir = arg->val, &st) == -1 || !S_ISDIR(st.st_mode))
+ errx(EX_OSFILE, "skeleton `%s' is not a directory or does not exist", cnf->dotdir);
}
if ((arg = getarg(args, 's')) != NULL)
cnf->shell_default = arg->val;
if (mode == M_ADD && getarg(args, 'D')) {
if (getarg(args, 'n') != NULL)
- cmderr(EX_DATAERR, "can't combine `-D' with `-n name'\n");
+ errx(EX_DATAERR, "can't combine `-D' with `-n name'");
if ((arg = getarg(args, 'u')) != NULL && (p = strtok(arg->val, ", \t")) != NULL) {
if ((cnf->min_uid = (uid_t) atoi(p)) == 0)
cnf->min_uid = 1000;
arg = getarg(args, 'C');
if (write_userconfig(arg ? arg->val : NULL))
return EXIT_SUCCESS;
- perror("config update");
+ warn("config update");
return EX_IOERR;
}
if (mode == M_PRINT && getarg(args, 'a')) {
return EXIT_SUCCESS;
}
if ((a_name = getarg(args, 'n')) != NULL)
- pwd = getpwnam(pw_checkname(a_name->val, 0));
+ pwd = getpwnam(pw_checkname((u_char *)a_name->val, 0));
a_uid = getarg(args, 'u');
if (a_uid == NULL) {
if (a_name == NULL)
- cmderr(EX_DATAERR, "user name or id required\n");
+ errx(EX_DATAERR, "user name or id required");
/*
* Determine whether 'n' switch is name or uid - we don't
return print_user(&fakeuser, getarg(args, 'P') != NULL);
}
if (a_name == NULL)
- cmderr(EX_NOUSER, "no such uid `%s'\n", a_uid->val);
- cmderr(EX_NOUSER, "no such user `%s'\n", a_name->val);
+ errx(EX_NOUSER, "no such uid `%s'", a_uid->val);
+ errx(EX_NOUSER, "no such user `%s'", a_name->val);
}
if (a_name == NULL) /* May be needed later */
a_name = addarg(args, 'n', newstr(pwd->pw_name));
uid_t uid = pwd->pw_uid;
if (strcmp(pwd->pw_name, "root") == 0)
- cmderr(EX_DATAERR, "cannot remove user 'root'\n");
+ errx(EX_DATAERR, "cannot remove user 'root'");
+
+ /*
+ * Remove skey record from /etc/skeykeys
+ */
+
+ rmskey(pwd->pw_name);
/*
* Remove crontabs
home[sizeof home - 1] = '\0';
if (!delpwent(pwd))
- cmderr(EX_IOERR, "Error updating passwd file: %s\n", strerror(errno));
+ err(EX_IOERR, "error updating passwd file");
+
+ if (cnf->nispasswd && *cnf->nispasswd=='/' && !delnispwent(cnf->nispasswd, a_name->val))
+ warn("WARNING: NIS passwd update");
+
editgroups(a_name->val, NULL);
pw_log(cnf, mode, W_USER, "%s(%ld) account removed", a_name->val, (long) uid);
*/
if ((arg = getarg(args, 'l')) != NULL) {
if (strcmp(pwd->pw_name, "root") == 0)
- cmderr(EX_DATAERR, "can't rename `root' account\n");
- pwd->pw_name = pw_checkname(arg->val, 0);
+ errx(EX_DATAERR, "can't rename `root' account");
+ pwd->pw_name = pw_checkname((u_char *)arg->val, 0);
}
if ((arg = getarg(args, 'u')) != NULL && isdigit(*arg->val)) {
pwd->pw_uid = (uid_t) atol(arg->val);
if (pwd->pw_uid != 0 && strcmp(pwd->pw_name, "root") == 0)
- cmderr(EX_DATAERR, "can't change uid of `root' account\n");
+ errx(EX_DATAERR, "can't change uid of `root' account");
if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
- fprintf(stderr, "WARNING: account `%s' will have a uid of 0 (superuser access!)\n", pwd->pw_name);
+ warnx("WARNING: account `%s' will have a uid of 0 (superuser access!)", pwd->pw_name);
}
if ((arg = getarg(args, 'g')) != NULL && pwd->pw_uid != 0) /* Already checked this */
pwd->pw_gid = (gid_t) getgrnam(cnf->default_group)->gr_gid;
time_t expire = parse_date(now, arg->val);
if (now == expire)
- cmderr(EX_DATAERR, "Invalid password change date `%s'\n", arg->val);
+ errx(EX_DATAERR, "invalid password change date `%s'", arg->val);
pwd->pw_change = expire;
}
}
time_t expire = parse_date(now, arg->val);
if (now == expire)
- cmderr(EX_DATAERR, "Invalid account expiry date `%s'\n", arg->val);
+ errx(EX_DATAERR, "invalid account expiry date `%s'", arg->val);
pwd->pw_expire = expire;
}
}
if (getarg(args, 'L'))
pwd->pw_class = cnf->default_class;
+ if ((arg = getarg(args, 'd')) != NULL) {
+ if (stat(pwd->pw_dir = arg->val, &st) == -1) {
+ if (getarg(args, 'm') == NULL && strcmp(pwd->pw_dir, "/nonexistent") != 0)
+ warnx("WARNING: home `%s' does not exist", pwd->pw_dir);
+ } else if (!S_ISDIR(st.st_mode))
+ warnx("WARNING: home `%s' is not a directory", pwd->pw_dir);
+ }
+
if ((arg = getarg(args, 'w')) != NULL && getarg(args, 'h') == NULL)
pwd->pw_passwd = pw_password(cnf, args, pwd->pw_name);
} else {
if (a_name == NULL) /* Required */
- cmderr(EX_DATAERR, "login name required\n");
+ errx(EX_DATAERR, "login name required");
else if ((pwd = getpwnam(a_name->val)) != NULL) /* Exists */
- cmderr(EX_DATAERR, "login name `%s' already exists\n", a_name->val);
+ errx(EX_DATAERR, "login name `%s' already exists", a_name->val);
/*
* Now, set up defaults for a new user
pwd->pw_shell = pw_shellpolicy(cnf, args, NULL);
if (pwd->pw_uid == 0 && strcmp(pwd->pw_name, "root") != 0)
- fprintf(stderr, "WARNING: new account `%s' has a uid of 0 (superuser access!)\n", pwd->pw_name);
+ warnx("WARNING: new account `%s' has a uid of 0 (superuser access!)", pwd->pw_name);
}
/*
* Shared add/edit code
*/
if ((arg = getarg(args, 'c')) != NULL)
- pwd->pw_gecos = pw_checkname(arg->val, 1);
+ pwd->pw_gecos = pw_checkname((u_char *)arg->val, 1);
if ((arg = getarg(args, 'h')) != NULL) {
if (strcmp(arg->val, "-") == 0)
fflush(stdout);
}
if (b < 0) {
- perror("-h file descriptor");
+ warn("-h file descriptor");
return EX_IOERR;
}
line[b] = '\0';
if ((p = strpbrk(line, " \t\r\n")) != NULL)
*p = '\0';
if (!*line)
- cmderr(EX_DATAERR, "empty password read on file descriptor %d\n", fd);
+ errx(EX_DATAERR, "empty password read on file descriptor %d", fd);
pwd->pw_passwd = pw_pwcrypt(line);
}
}
if (getarg(args, 'N') != NULL)
return print_user(pwd, getarg(args, 'P') != NULL);
- if ((mode == M_ADD && !addpwent(pwd)) ||
- (mode == M_UPDATE && !chgpwent(a_name->val, pwd))) {
- perror("password update");
+ r = r1 = 1;
+ if (mode == M_ADD) {
+ r = addpwent(pwd);
+ if (r && cnf->nispasswd && *cnf->nispasswd=='/')
+ r1 = addnispwent(cnf->nispasswd, pwd);
+ } else if (mode == M_UPDATE) {
+ r = chgpwent(a_name->val, pwd);
+ if (r && cnf->nispasswd && *cnf->nispasswd=='/')
+ r1 = chgnispwent(cnf->nispasswd, a_name->val, pwd);
+ }
+
+ if (!r) {
+ warn("password update");
return EX_IOERR;
+ } else if (!r1) {
+ warn("WARNING: NIS password update");
+ /* Keep on trucking */
}
+
/*
* Ok, user is created or changed - now edit group file
*/
/* pwd may have been invalidated */
if ((pwd = getpwnam(a_name->val)) == NULL)
- cmderr(EX_NOUSER, "user '%s' disappeared during update\n", a_name->val);
+ errx(EX_NOUSER, "user '%s' disappeared during update", a_name->val);
grp = getgrgid(pwd->pw_gid);
pw_log(cnf, mode, W_USER, "%s(%ld):%s(%d):%s:%s:%s",
FILE *pfp = popen(_PATH_SENDMAIL " -t", "w");
if (pfp == NULL)
- perror("sendmail");
+ warn("sendmail");
else {
fprintf(pfp, "From: root\n" "To: %s\n" "Subject: Welcome!\n\n", pwd->pw_name);
while (fgets(line, sizeof(line), fp) != NULL) {
uid = (uid_t) atol(a_uid->val);
if ((pwd = getpwuid(uid)) != NULL && getarg(args, 'o') == NULL)
- cmderr(EX_DATAERR, "uid `%ld' has already been allocated\n", (long) pwd->pw_uid);
+ errx(EX_DATAERR, "uid `%ld' has already been allocated", (long) pwd->pw_uid);
} else {
struct bitmap bm;
* Another sanity check
*/
if (uid < cnf->min_uid || uid > cnf->max_uid)
- cmderr(EX_SOFTWARE, "unable to allocate a new uid - range fully used\n");
+ errx(EX_SOFTWARE, "unable to allocate a new uid - range fully used");
bm_dealloc(&bm);
}
return uid;
if ((grp = getgrnam(a_gid->val)) == NULL) {
gid = (gid_t) atol(a_gid->val);
if ((gid == 0 && !isdigit(*a_gid->val)) || (grp = getgrgid(gid)) == NULL)
- cmderr(EX_NOUSER, "group `%s' is not defined\n", a_gid->val);
+ errx(EX_NOUSER, "group `%s' is not defined", a_gid->val);
}
gid = grp->gr_gid;
} else if ((grp = getgrnam(nam)) != NULL && grp->gr_mem[0] == NULL) {
{
time_t result = 0;
time_t now = time(NULL);
- struct carg *arg = getarg(args, 'e');
+ struct carg *arg = getarg(args, 'p');
if (arg != NULL) {
if ((result = parse_date(now, arg->val)) == now)
- cmderr(EX_DATAERR, "invalid date/time `%s'\n", arg->val);
+ errx(EX_DATAERR, "invalid date/time `%s'", arg->val);
} else if (cnf->password_days > 0)
result = now + ((long) cnf->password_days * 86400L);
return result;
if (arg != NULL) {
if ((result = parse_date(now, arg->val)) == now)
- cmderr(EX_DATAERR, "invalid date/time `%s'\n", arg->val);
+ errx(EX_DATAERR, "invalid date/time `%s'", arg->val);
} else if (cnf->expire_days > 0)
result = now + ((long) cnf->expire_days * 86400L);
return result;
static char home[128];
if (cnf->home == NULL || *cnf->home == '\0')
- cmderr(EX_CONFIG, "no base home directory set\n");
+ errx(EX_CONFIG, "no base home directory set");
sprintf(home, "%s/%s", cnf->home, user);
return home;
}
}
}
if (sh == NULL)
- cmderr(EX_OSFILE, "can't find shell `%s' in shell paths\n", sh);
- cmderr(EX_CONFIG, "no default shell available or defined\n");
+ errx(EX_OSFILE, "can't find shell `%s' in shell paths", sh);
+ errx(EX_CONFIG, "no default shell available or defined");
return NULL;
}
}
/*
* Calculate a salt value
*/
- srandom((unsigned) (time(NULL) | getpid()));
+ if (!randinit) {
+ randinit = 1;
+#ifdef __FreeBSD__
+ srandomdev();
+#else
+ srandom((unsigned long) (time(NULL) ^ getpid()));
+#endif
+ }
for (i = 0; i < 8; i++)
salt[i] = chars[random() % 63];
salt[i] = '\0';
return strcpy(buf, crypt(password, salt));
}
+#if defined(USE_MD5RAND)
+u_char *
+pw_getrand(u_char *buf, int len) /* cryptographically secure rng */
+{
+ int i;
+ for (i=0;i<len;i+=16) {
+ u_char ubuf[16];
+
+ MD5_CTX md5_ctx;
+ struct timeval tv, tvo;
+ struct rusage ru;
+ int n=0;
+ int t;
+
+ MD5Init (&md5_ctx);
+ t=getpid();
+ MD5Update (&md5_ctx, (u_char*)&t, sizeof t);
+ t=getppid();
+ MD5Update (&md5_ctx, (u_char*)&t, sizeof t);
+ gettimeofday (&tvo, NULL);
+ do {
+ getrusage (RUSAGE_SELF, &ru);
+ MD5Update (&md5_ctx, (u_char*)&ru, sizeof ru);
+ gettimeofday (&tv, NULL);
+ MD5Update (&md5_ctx, (u_char*)&tv, sizeof tv);
+ } while (n++<20 || tv.tv_usec-tvo.tv_usec<100*1000);
+ MD5Final (ubuf, &md5_ctx);
+ memcpy(buf+i, ubuf, MIN(16, len-n));
+ }
+ return buf;
+}
+
+#else /* Portable version */
+
+static u_char *
+pw_getrand(u_char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ unsigned long val = random();
+ /* Use all bits in the random value */
+ buf[i]=(u_char)((val >> 24) ^ (val >> 16) ^ (val >> 8) ^ val);
+ }
+ return buf;
+}
+
+#endif
static char *
pw_password(struct userconf * cnf, struct cargs * args, char const * user)
{
int i, l;
char pwbuf[32];
+ u_char rndbuf[sizeof pwbuf];
switch (cnf->default_password) {
case -1: /* Random password */
- srandom((unsigned) (time(NULL) | getpid()));
+ if (!randinit) {
+ randinit = 1;
+#ifdef __FreeBSD__
+ srandomdev();
+#else
+ srandom((unsigned long) (time(NULL) ^ getpid()));
+#endif
+ }
l = (random() % 8 + 8); /* 8 - 16 chars */
+ pw_getrand(rndbuf, l);
for (i = 0; i < l; i++)
- pwbuf[i] = chars[random() % sizeof(chars)];
+ pwbuf[i] = chars[rndbuf[i] % sizeof(chars)];
pwbuf[i] = '\0';
/*
* We give this information back to the user
*/
if (getarg(args, 'h') == NULL && getarg(args, 'N') == NULL) {
- if (isatty(0))
- printf("Password is: ");
+ if (isatty(1))
+ printf("Password for '%s' is: ", user);
printf("%s\n", pwbuf);
fflush(stdout);
}
struct group *grp = getgrgid(pwd->pw_gid);
char uname[60] = "User &", office[60] = "[None]",
wphone[60] = "[None]", hphone[60] = "[None]";
+ char acexpire[32] = "[None]", pwexpire[32] = "[None]";
+ struct tm * tptr;
if ((p = strtok(pwd->pw_gecos, ",")) != NULL) {
strncpy(uname, p, sizeof uname);
memmove(p, pwd->pw_name, l);
*p = (char) toupper(*p);
}
- printf("Login Name : %-10s #%-22ld Group : %-10s #%ld\n"
- " Full Name : %s\n"
- " Home : %-32.32s Class : %s\n"
- " Shell : %-32.32s Office : %s\n"
- "Work Phone : %-32.32s Home Phone : %s\n",
-
+ if (pwd->pw_expire > (time_t)0 && (tptr = localtime(&pwd->pw_expire)) != NULL)
+ strftime(acexpire, sizeof acexpire, "%c", tptr);
+ if (pwd->pw_change > (time_t)9 && (tptr = localtime(&pwd->pw_change)) != NULL)
+ strftime(pwexpire, sizeof pwexpire, "%c", tptr);
+ printf("Login Name: %-15s #%-12ld Group: %-15s #%ld\n"
+ " Full Name: %s\n"
+ " Home: %-26.26s Class: %s\n"
+ " Shell: %-26.26s Office: %s\n"
+ "Work Phone: %-26.26s Home Phone: %s\n"
+ "Acc Expire: %-26.26s Pwd Expire: %s\n",
pwd->pw_name, (long) pwd->pw_uid,
grp ? grp->gr_name : "(invalid)", (long) pwd->pw_gid,
uname, pwd->pw_dir, pwd->pw_class,
- pwd->pw_shell, office, wphone, hphone);
+ pwd->pw_shell, office, wphone, hphone,
+ acexpire, pwexpire);
setgrent();
j = 0;
while ((grp=getgrent()) != NULL)
{
int i = 0;
- while (i < _UC_MAXGROUPS && grp->gr_mem[i] != NULL)
+ while (grp->gr_mem[i] != NULL)
{
if (strcmp(grp->gr_mem[i], pwd->pw_name)==0)
{
- printf(j++ == 0 ? " Groups : %s" : ",%s", grp->gr_name);
+ printf(j++ == 0 ? " Groups: %s" : ",%s", grp->gr_name);
break;
}
++i;
return EXIT_SUCCESS;
}
-static char *
-pw_checkname(char *name, int gecos)
+char *
+pw_checkname(u_char *name, int gecos)
{
int l = 0;
- char const *notch = gecos ? ":" : " :+-&#%$^()!@~*?<>=|\\/\"";
+ char const *notch = gecos ? ":!@" : " ,\t:+&#%$^()!@~*?<>=|\\/\"";
while (name[l]) {
- if (strchr(notch, name[l]) != NULL || name[l] < ' ')
- cmderr(EX_DATAERR, "invalid character `%c' in field\n", name[l]);
+ if (strchr(notch, name[l]) != NULL || name[l] < ' ' || name[l] == 127 ||
+ (!gecos && l==0 && name[l] == '-') || /* leading '-' */
+ (!gecos && name[l] & 0x80)) /* 8-bit */
+ errx(EX_DATAERR, (name[l] >= ' ' && name[l] < 127)
+ ? "invalid character `%c' in field"
+ : "invalid character 0x%02x in field",
+ name[l]);
++l;
}
- if (!gecos && l > 8)
- cmderr(EX_DATAERR, "name too long `%s'\n", name);
- return name;
+ if (!gecos && l > LOGNAMESIZE)
+ errx(EX_DATAERR, "name too long `%s'", name);
+ return (char *)name;
}
closedir(d);
}
}
+
+static void
+rmskey(char const * name)
+{
+ static const char etcskey[] = "/etc/skeykeys";
+ FILE *fp = fopen(etcskey, "r+");
+
+ if (fp != NULL) {
+ char tmp[1024];
+ off_t atofs = 0;
+ int length = strlen(name);
+
+ while (fgets(tmp, sizeof tmp, fp) != NULL) {
+ if (strncmp(name, tmp, length) == 0 && tmp[length]==' ') {
+ if (fseek(fp, atofs, SEEK_SET) == 0) {
+ fwrite("#", 1, 1, fp); /* Comment username out */
+ }
+ break;
+ }
+ atofs = ftell(fp);
+ }
+ /*
+ * If we got an error of any sort, don't update!
+ */
+ fclose(fp);
+ }
+}
+
git.ckatri.com / pw-darwin.git / blobdiff