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- /*
- * Unix SMB/Netbios implementation. Version 1.9. SMB parameters and setup
- * Copyright (C) Andrew Tridgell 1992-1998 Modified by Jeremy Allison 1995.
- *
- * This program is free software; you can redistribute it and/or modify it under
- * the terms of the GNU General Public License as published by the Free
- * Software Foundation; either version 2 of the License, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
- * more details.
- *
- * You should have received a copy of the GNU General Public License along with
- * this program; if not, write to the Free Software Foundation, Inc., 675
- * Mass Ave, Cambridge, MA 02139, USA.
- */
-
- #include "includes.h"
-
- extern int DEBUGLEVEL;
-
- int gotalarm;
-
- void
- gotalarm_sig(void)
- {
- gotalarm = 1;
- }
-
- int
- do_pw_lock(int fd, int waitsecs, int type)
- {
- struct flock lock;
- int ret;
-
- gotalarm = 0;
- signal(SIGALRM, SIGNAL_CAST gotalarm_sig);
-
- lock.l_type = type;
- lock.l_whence = SEEK_SET;
- lock.l_start = 0;
- lock.l_len = 1;
- lock.l_pid = 0;
-
- alarm(5);
- ret = fcntl(fd, F_SETLKW, &lock);
- alarm(0);
- signal(SIGALRM, SIGNAL_CAST SIG_DFL);
-
- if (gotalarm) {
- DEBUG(0, ("do_pw_lock: failed to %s SMB passwd file.\n",
- type == F_UNLCK ? "unlock" : "lock"));
- return -1;
- }
- return ret;
- }
-
- int pw_file_lock(char *name, int type, int secs)
- {
- int fd = open(name, O_RDWR | O_CREAT, 0600);
- if (fd < 0)
- return (-1);
- if (do_pw_lock(fd, secs, type)) {
- close(fd);
- return -1;
- }
- return fd;
- }
-
- int pw_file_unlock(int fd)
- {
- do_pw_lock(fd, 5, F_UNLCK);
- return close(fd);
- }
-
- /*
- * Routine to get the next 32 hex characters and turn them
- * into a 16 byte array.
- */
-
- static int gethexpwd(char *p, char *pwd)
- {
- int i;
- unsigned char lonybble, hinybble;
- char *hexchars = "0123456789ABCDEF";
- char *p1, *p2;
-
- for (i = 0; i < 32; i += 2) {
- hinybble = toupper(p[i]);
- lonybble = toupper(p[i + 1]);
-
- p1 = strchr(hexchars, hinybble);
- p2 = strchr(hexchars, lonybble);
- if (!p1 || !p2)
- return (False);
- hinybble = PTR_DIFF(p1, hexchars);
- lonybble = PTR_DIFF(p2, hexchars);
-
- pwd[i / 2] = (hinybble << 4) | lonybble;
- }
- return (True);
- }
-
- /*************************************************************************
- Routine to search the smbpasswd file for an entry matching the username
- or user id. if the name is NULL, then the smb_uid is used instead.
- *************************************************************************/
- struct smb_passwd *get_smbpwd_entry(char *name, int smb_userid)
- {
- /* Static buffers we will return. */
- static struct smb_passwd pw_buf;
- static pstring user_name;
- static unsigned char smbpwd[16];
- static unsigned char smbntpwd[16];
- char linebuf[256];
- char readbuf[16 * 1024];
- unsigned char c;
- unsigned char *p;
- long uidval;
- long linebuf_len;
- FILE *fp;
- int lockfd;
- char *pfile = lp_smb_passwd_file();
-
- pw_buf.acct_ctrl = ACB_NORMAL;
- pw_buf.smb_passwd = NULL;
- pw_buf.smb_nt_passwd = NULL;
-
- if (!*pfile) {
- DEBUG(0, ("No SMB password file set\n"));
- return (NULL);
- }
- DEBUG(10, ("get_smbpwd_entry: opening file %s\n", pfile));
-
- if (name != NULL)
- {
- DEBUG(10, ("get_smbpwd_entry: search by name: %s\n", name));
- }
- else
- {
- DEBUG(10, ("get_smbpwd_entry: search by smb_userid: %x\n", smb_userid));
- }
-
- fp = fopen(pfile, "r");
-
- if (fp == NULL) {
- DEBUG(0, ("get_smbpwd_entry: unable to open file %s\n", pfile));
- return NULL;
- }
- /* Set a 16k buffer to do more efficient reads */
- setvbuf(fp, readbuf, _IOFBF, sizeof(readbuf));
-
- if ((lockfd = pw_file_lock(pfile, F_RDLCK, 5)) < 0) {
- DEBUG(0, ("get_smbpwd_entry: unable to lock file %s\n", pfile));
- fclose(fp);
- return NULL;
- }
- /* make sure it is only rw by the owner */
- chmod(pfile, 0600);
-
- /* We have a read lock on the file. */
- /*
- * Scan the file, a line at a time and check if the name matches.
- */
- while (!feof(fp)) {
- linebuf[0] = '\0';
-
- fgets(linebuf, 256, fp);
- if (ferror(fp)) {
- fclose(fp);
- pw_file_unlock(lockfd);
- return NULL;
- }
- /*
- * Check if the string is terminated with a newline - if not
- * then we must keep reading and discard until we get one.
- */
- linebuf_len = strlen(linebuf);
- if (linebuf[linebuf_len - 1] != '\n') {
- c = '\0';
- while (!ferror(fp) && !feof(fp)) {
- c = fgetc(fp);
- if (c == '\n')
- break;
- }
- } else
- linebuf[linebuf_len - 1] = '\0';
-
- #ifdef DEBUG_PASSWORD
- DEBUG(100, ("get_smbpwd_entry: got line |%s|\n", linebuf));
- #endif
- if ((linebuf[0] == 0) && feof(fp)) {
- DEBUG(4, ("get_smbpwd_entry: end of file reached\n"));
- break;
- }
- /*
- * The line we have should be of the form :-
- *
- * username:uid:[32hex bytes]:....other flags presently
- * ignored....
- *
- * or,
- *
- * username:uid:[32hex bytes]:[32hex bytes]:....ignored....
- *
- * if Windows NT compatible passwords are also present.
- */
-
- if (linebuf[0] == '#' || linebuf[0] == '\0') {
- DEBUG(6, ("get_smbpwd_entry: skipping comment or blank line\n"));
- continue;
- }
- p = (unsigned char *) strchr(linebuf, ':');
- if (p == NULL) {
- DEBUG(0, ("get_smbpwd_entry: malformed password entry (no :)\n"));
- continue;
- }
- /*
- * As 256 is shorter than a pstring we don't need to check
- * length here - if this ever changes....
- */
- strncpy(user_name, linebuf, PTR_DIFF(p, linebuf));
- user_name[PTR_DIFF(p, linebuf)] = '\0';
-
- /* get smb uid */
-
- p++; /* Go past ':' */
- if (!isdigit(*p)) {
- DEBUG(0, ("get_smbpwd_entry: malformed password entry (uid not number)\n"));
- continue;
- }
-
- uidval = atoi((char *) p);
-
- while (*p && isdigit(*p))
- {
- p++;
- }
-
- if (*p != ':')
- {
- DEBUG(0, ("get_smbpwd_entry: malformed password entry (no : after uid)\n"));
- continue;
- }
-
- if (name != NULL)
- {
- /* search is by user name */
- if (!strequal(user_name, name)) continue;
- DEBUG(10, ("get_smbpwd_entry: found by name: %s\n", user_name));
- }
- else
- {
- /* search is by user id */
- if (uidval != smb_userid) continue;
- DEBUG(10, ("get_smbpwd_entry: found by smb_userid: %x\n", uidval));
- }
-
- /* if we're here, the entry has been found (either by name or uid) */
-
- /*
- * Now get the password value - this should be 32 hex digits
- * which are the ascii representations of a 16 byte string.
- * Get two at a time and put them into the password.
- */
-
- /* skip the ':' */
- p++;
-
- if (*p == '*' || *p == 'X')
- {
- /* Password deliberately invalid - end here. */
- DEBUG(10, ("get_smbpwd_entry: entry invalidated for user %s\n", user_name));
- fclose(fp);
- pw_file_unlock(lockfd);
- return NULL;
- }
-
- if (linebuf_len < (PTR_DIFF(p, linebuf) + 33))
- {
- DEBUG(0, ("get_smbpwd_entry: malformed password entry (passwd too short)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return (False);
- }
-
- if (p[32] != ':')
- {
- DEBUG(0, ("get_smbpwd_entry: malformed password entry (no terminating :)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return NULL;
- }
-
- if (!strncasecmp((char *) p, "NO PASSWORD", 11))
- {
- pw_buf.smb_passwd = NULL;
- /*
- * We set this so that the caller can tell
- * that there was no old password.
- */
- pw_buf.acct_ctrl |= ACB_PWNOTREQ;
- }
- else
- {
- if (!gethexpwd((char *)p, (char *)smbpwd))
- {
- DEBUG(0, ("Malformed Lanman password entry (non hex chars)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return NULL;
- }
- pw_buf.smb_passwd = smbpwd;
- }
-
- pw_buf.smb_name = user_name;
- pw_buf.smb_userid = uidval;
- pw_buf.smb_nt_passwd = NULL;
-
- /* Now check if the NT compatible password is
- available. */
- p += 33; /* Move to the first character of the line after
- the lanman password. */
- if ((linebuf_len >= (PTR_DIFF(p, linebuf) + 33)) && (p[32] == ':')) {
- if (*p != '*' && *p != 'X') {
- if(gethexpwd((char *)p,(char *)smbntpwd))
- pw_buf.smb_nt_passwd = smbntpwd;
- }
- }
-
- fclose(fp);
- pw_file_unlock(lockfd);
- DEBUG(5, ("get_smbpwd_entry: returning passwd entry for user %s, uid %d\n",
- user_name, uidval));
- return &pw_buf;
- }
-
- fclose(fp);
- pw_file_unlock(lockfd);
- return NULL;
- }
-
- /*
- * Routine to search the smbpasswd file for an entry matching the username.
- */
- BOOL add_smbpwd_entry(struct smb_passwd* pwd)
- {
- /* Static buffers we will return. */
- static pstring user_name;
-
- char linebuf[256];
- char readbuf[16 * 1024];
- unsigned char c;
- unsigned char *p;
- long linebuf_len;
- FILE *fp;
- int lockfd;
- char *pfile = lp_smb_passwd_file();
-
- int i;
- int wr_len;
-
- int fd;
- int new_entry_length;
- uchar *new_entry;
- long offpos;
-
- if (!*pfile)
- {
- DEBUG(0, ("No SMB password file set\n"));
- return False;
- }
- DEBUG(10, ("add_smbpwd_entry: opening file %s\n", pfile));
-
- fp = fopen(pfile, "r+");
-
- if (fp == NULL)
- {
- DEBUG(0, ("add_smbpwd_entry: unable to open file %s\n", pfile));
- return False;
- }
- /* Set a 16k buffer to do more efficient reads */
- setvbuf(fp, readbuf, _IOFBF, sizeof(readbuf));
-
- if ((lockfd = pw_file_lock(pfile, F_WRLCK, 5)) < 0)
- {
- DEBUG(0, ("add_smbpwd_entry: unable to lock file %s\n", pfile));
- fclose(fp);
- return False;
- }
- /* make sure it is only rw by the owner */
- chmod(pfile, 0600);
-
- /* We have a write lock on the file. */
- /*
- * Scan the file, a line at a time and check if the name matches.
- */
- while (!feof(fp))
- {
- linebuf[0] = '\0';
-
- fgets(linebuf, 256, fp);
- if (ferror(fp))
- {
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- /*
- * Check if the string is terminated with a newline - if not
- * then we must keep reading and discard until we get one.
- */
- linebuf_len = strlen(linebuf);
- if (linebuf[linebuf_len - 1] != '\n')
- {
- c = '\0';
- while (!ferror(fp) && !feof(fp))
- {
- c = fgetc(fp);
- if (c == '\n')
- {
- break;
- }
- }
- }
- else
- {
- linebuf[linebuf_len - 1] = '\0';
- }
-
- #ifdef DEBUG_PASSWORD
- DEBUG(100, ("add_smbpwd_entry: got line |%s|\n", linebuf));
- #endif
-
- if ((linebuf[0] == 0) && feof(fp))
- {
- DEBUG(4, ("add_smbpwd_entry: end of file reached\n"));
- break;
- }
-
- /*
- * The line we have should be of the form :-
- *
- * username:uid:[32hex bytes]:....other flags presently
- * ignored....
- *
- * or,
- *
- * username:uid:[32hex bytes]:[32hex bytes]:....ignored....
- *
- * if Windows NT compatible passwords are also present.
- */
-
- if (linebuf[0] == '#' || linebuf[0] == '\0')
- {
- DEBUG(6, ("add_smbpwd_entry: skipping comment or blank line\n"));
- continue;
- }
-
- p = (unsigned char *) strchr(linebuf, ':');
-
- if (p == NULL)
- {
- DEBUG(0, ("add_smbpwd_entry: malformed password entry (no :)\n"));
- continue;
- }
-
- /*
- * As 256 is shorter than a pstring we don't need to check
- * length here - if this ever changes....
- */
- strncpy(user_name, linebuf, PTR_DIFF(p, linebuf));
- user_name[PTR_DIFF(p, linebuf)] = '\0';
- if (strequal(user_name, pwd->smb_name))
- {
- DEBUG(6, ("add_smbpwd_entry: entry already exists\n"));
- return False;
- }
- }
-
- /* ok - entry doesn't exist. we can add it */
-
- /* Create a new smb passwd entry and set it to the given password. */
- /* The add user write needs to be atomic - so get the fd from
- the fp and do a raw write() call.
- */
- fd = fileno(fp);
-
- if((offpos = lseek(fd, 0, SEEK_END)) == -1)
- {
- DEBUG(0, ("add_smbpwd_entry(lseek): Failed to add entry for user %s to file %s. \
- Error was %s\n", pwd->smb_name, pfile, strerror(errno)));
-
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- new_entry_length = strlen(pwd->smb_name) + 1 + 15 + 1 + 32 + 1 + 32 + 1 + 2;
-
- if((new_entry = (uchar *)malloc( new_entry_length )) == 0)
- {
- DEBUG(0, ("add_smbpwd_entry(malloc): Failed to add entry for user %s to file %s. \
- Error was %s\n",
- pwd->smb_name, pfile, strerror(errno)));
-
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- slprintf((char *)new_entry, new_entry_length - 1, "%s:%u:", pwd->smb_name, (unsigned)pwd->smb_userid);
- p = (unsigned char *)&new_entry[strlen((char *)new_entry)];
-
- for( i = 0; i < 16; i++)
- {
- slprintf((char *)&p[i*2], new_entry_length - (p - new_entry) - 1,"%02X", pwd->smb_passwd[i]);
- }
- p += 32;
-
- *p++ = ':';
-
- for( i = 0; i < 16; i++)
- {
- slprintf((char *)&p[i*2], new_entry_length - (p - new_entry) - 1, "%02X", pwd->smb_nt_passwd[i]);
- }
- p += 32;
-
- *p++ = ':';
- slprintf((char *)p, new_entry_length - (p - new_entry) - 1, "\n");
-
- #ifdef DEBUG_PASSWORD
- DEBUG(100, ("add_smbpwd_entry(%d): new_entry_len %d entry_len %d made line |%s|\n",
- fd, new_entry_length, strlen(new_entry), new_entry));
- #endif
-
- if ((wr_len = write(fd, new_entry, strlen((char *)new_entry))) != strlen((char *)new_entry))
- {
- DEBUG(0, ("add_smbpwd_entry(write): %d Failed to add entry for user %s to file %s. \
- Error was %s\n", wr_len, pwd->smb_name, pfile, strerror(errno)));
-
- /* Remove the entry we just wrote. */
- if(ftruncate(fd, offpos) == -1)
- {
- DEBUG(0, ("add_smbpwd_entry: ERROR failed to ftruncate file %s. \
- Error was %s. Password file may be corrupt ! Please examine by hand !\n",
- pwd->smb_name, strerror(errno)));
- }
-
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- fclose(fp);
- pw_file_unlock(lockfd);
- return True;
- }
- /*
- * Routine to search the smbpasswd file for an entry matching the username.
- * and then modify its password entry
- * override = 0, normal
- * override = 1, don't care about XXXXXXXX'd out password or NO PASS
- */
-
- BOOL mod_smbpwd_entry(struct smb_passwd* pwd, BOOL override)
- {
- /* Static buffers we will return. */
- static pstring user_name;
-
- char linebuf[256];
- char readbuf[16 * 1024];
- unsigned char c;
- char ascii_p16[66];
- unsigned char *p = NULL;
- long linebuf_len = 0;
- FILE *fp;
- int lockfd;
- char *pfile = lp_smb_passwd_file();
- BOOL found_entry = False;
-
- long pwd_seekpos = 0;
-
- int i;
- int wr_len;
- int fd;
-
- if (!*pfile)
- {
- DEBUG(0, ("No SMB password file set\n"));
- return False;
- }
- DEBUG(10, ("mod_smbpwd_entry: opening file %s\n", pfile));
-
- fp = fopen(pfile, "r+");
-
- if (fp == NULL)
- {
- DEBUG(0, ("mod_smbpwd_entry: unable to open file %s\n", pfile));
- return False;
- }
- /* Set a 16k buffer to do more efficient reads */
- setvbuf(fp, readbuf, _IOFBF, sizeof(readbuf));
-
- if ((lockfd = pw_file_lock(pfile, F_WRLCK, 5)) < 0)
- {
- DEBUG(0, ("mod_smbpwd_entry: unable to lock file %s\n", pfile));
- fclose(fp);
- return False;
- }
- /* make sure it is only rw by the owner */
- chmod(pfile, 0600);
-
- /* We have a write lock on the file. */
- /*
- * Scan the file, a line at a time and check if the name matches.
- */
- while (!feof(fp))
- {
- pwd_seekpos = ftell(fp);
-
- linebuf[0] = '\0';
-
- fgets(linebuf, 256, fp);
- if (ferror(fp))
- {
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- /*
- * Check if the string is terminated with a newline - if not
- * then we must keep reading and discard until we get one.
- */
- linebuf_len = strlen(linebuf);
- if (linebuf[linebuf_len - 1] != '\n')
- {
- c = '\0';
- while (!ferror(fp) && !feof(fp))
- {
- c = fgetc(fp);
- if (c == '\n')
- {
- break;
- }
- }
- }
- else
- {
- linebuf[linebuf_len - 1] = '\0';
- }
-
- #ifdef DEBUG_PASSWORD
- DEBUG(100, ("mod_smbpwd_entry: got line |%s|\n", linebuf));
- #endif
-
- if ((linebuf[0] == 0) && feof(fp))
- {
- DEBUG(4, ("mod_smbpwd_entry: end of file reached\n"));
- break;
- }
-
- /*
- * The line we have should be of the form :-
- *
- * username:uid:[32hex bytes]:....other flags presently
- * ignored....
- *
- * or,
- *
- * username:uid:[32hex bytes]:[32hex bytes]:....ignored....
- *
- * if Windows NT compatible passwords are also present.
- */
-
- if (linebuf[0] == '#' || linebuf[0] == '\0')
- {
- DEBUG(6, ("mod_smbpwd_entry: skipping comment or blank line\n"));
- continue;
- }
-
- p = (unsigned char *) strchr(linebuf, ':');
-
- if (p == NULL)
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (no :)\n"));
- continue;
- }
-
- /*
- * As 256 is shorter than a pstring we don't need to check
- * length here - if this ever changes....
- */
- strncpy(user_name, linebuf, PTR_DIFF(p, linebuf));
- user_name[PTR_DIFF(p, linebuf)] = '\0';
- if (strequal(user_name, pwd->smb_name))
- {
- found_entry = True;
- break;
- }
- }
-
- if (!found_entry) return False;
-
- DEBUG(6, ("mod_smbpwd_entry: entry exists\n"));
-
- /* User name matches - get uid and password */
- p++; /* Go past ':' */
-
- if (!isdigit(*p))
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (uid not number)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- while (*p && isdigit(*p))
- p++;
- if (*p != ':')
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (no : after uid)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
- /*
- * Now get the password value - this should be 32 hex digits
- * which are the ascii representations of a 16 byte string.
- * Get two at a time and put them into the password.
- */
- p++;
-
- /* record exact password position */
- pwd_seekpos += PTR_DIFF(p, linebuf);
-
- if (!override && (*p == '*' || *p == 'X'))
- {
- /* Password deliberately invalid - end here. */
- DEBUG(10, ("get_smbpwd_entry: entry invalidated for user %s\n", user_name));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- if (linebuf_len < (PTR_DIFF(p, linebuf) + 33))
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (passwd too short)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return (False);
- }
-
- if (p[32] != ':')
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (no terminating :)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- if (!override && (*p == '*' || *p == 'X'))
- {
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- /* Now check if the NT compatible password is
- available. */
- p += 33; /* Move to the first character of the line after
- the lanman password. */
- if (linebuf_len < (PTR_DIFF(p, linebuf) + 33))
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (passwd too short)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return (False);
- }
-
- if (p[32] != ':')
- {
- DEBUG(0, ("mod_smbpwd_entry: malformed password entry (no terminating :)\n"));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- /* The following check is wrong - the NT hash is optional. */
- #if 0
- if (*p == '*' || *p == 'X')
- {
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
- #endif
-
- /* whew. entry is correctly formed. */
-
- /*
- * Do an atomic write into the file at the position defined by
- * seekpos.
- */
-
- /* The mod user write needs to be atomic - so get the fd from
- the fp and do a raw write() call.
- */
-
- fd = fileno(fp);
-
- if (lseek(fd, pwd_seekpos - 1, SEEK_SET) != pwd_seekpos - 1)
- {
- DEBUG(1, ("mod_smbpwd_entry: seek fail on file %s.\n", pfile));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- /* Sanity check - ensure the character is a ':' */
- if (read(fd, &c, 1) != 1)
- {
- DEBUG(1, ("mod_smbpwd_entry: read fail on file %s.\n", pfile));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- if (c != ':')
- {
- DEBUG(1, ("mod_smbpwd_entry: check on passwd file %s failed.\n", pfile));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- /* Create the 32 byte representation of the new p16 */
- for (i = 0; i < 16; i++)
- {
- slprintf(&ascii_p16[i*2], sizeof(ascii_p16) - (i*2) - 1,
- "%02X", (uchar) pwd->smb_passwd[i]);
- }
- /* Add on the NT md4 hash */
- ascii_p16[32] = ':';
- wr_len = 65;
- if (pwd->smb_nt_passwd != NULL)
- {
- for (i = 0; i < 16; i++)
- {
- slprintf(&ascii_p16[(i*2)+33], sizeof(ascii_p16) - (i*2) - 32,
- "%02X", (uchar) pwd->smb_nt_passwd[i]);
- }
- }
- else
- {
- /* No NT hash - write out an 'invalid' string. */
- fstrcpy(&ascii_p16[33], "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX");
- }
-
- #ifdef DEBUG_PASSWORD
- DEBUG(100,("mod_smbpwd_entry: "));
- dump_data(100, ascii_p16, wr_len);
- #endif
-
- if (write(fd, ascii_p16, wr_len) != wr_len)
- {
- DEBUG(1, ("mod_smbpwd_entry: write failed in passwd file %s\n", pfile));
- fclose(fp);
- pw_file_unlock(lockfd);
- return False;
- }
-
- fclose(fp);
- pw_file_unlock(lockfd);
- return True;
- }
-