toybox: lib/password.c annotate

annotate lib/password.c @ 1387:a0d26c5e3271 draft

Release notes for 0.4.9.

author	Rob Landley <rob@landley.net>
date	Mon, 07 Jul 2014 07:32:56 -0500
parents	4cf313dbd885
children	cf77c4939385

rev	line source
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	1 /* password.c - password read/update helper functions.
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	2 *
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	3 * Copyright 2012 Ashwini Kumar <ak.ashwini@gmail.com>
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	4 */
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	5
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	6 #include "toys.h"
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	7 #include <time.h>
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	8
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	9 // generate appropriate random salt string for given encryption algorithm.
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	10 int get_salt(char salt, char algo)
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	11 {
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	12 struct {
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	13 char *type, id, len;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	14 } al[] = {{"des", 0, 2}, {"md5", 1, 8}, {"sha256", 5, 16}, {"sha512", 6, 16}};
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	15 int i;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	16
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	17 for (i = 0; i < ARRAY_LEN(al); i++) {
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	18 if (!strcmp(algo, al[i].type)) {
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	19 int len = al[i].len;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	20 char *s = salt;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	21
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	22 if (al[i].id) {
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	23 *s++ = '$';
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	24 *s++ = '0'+al[i].id;
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	25 *s++ = '$';
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	26 }
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	27
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	28 // Read appropriate number of random bytes for salt
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	29 i = xopen("/dev/urandom", O_RDONLY);
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	30 xreadall(i, libbuf, ((len*6)+7)/8);
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	31 close(i);
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	32
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	33 // Grab 6 bit chunks and convert to characters in ./0-9a-zA-Z
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	34 for (i=0; i<len; i++) {
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	35 int bitpos = i*6, bits = bitpos/8;
1090 7c62d5db4484 Minor lib/password.c cleanup, described on the list. (Inline two functions.) Rob Landley <rob@landley.net> parents: 1089 diff changeset	36
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	37 bits = ((libbuf[i]+(libbuf[i+1]<<8)) >> (bitpos&7)) & 0x3f;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	38 bits += 46;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	39 if (bits > 57) bits += 7;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	40 if (bits > 90) bits += 6;
1090 7c62d5db4484 Minor lib/password.c cleanup, described on the list. (Inline two functions.) Rob Landley <rob@landley.net> parents: 1089 diff changeset	41
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	42 s[i] = bits;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	43 }
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	44 salt[len] = 0;
1090 7c62d5db4484 Minor lib/password.c cleanup, described on the list. (Inline two functions.) Rob Landley <rob@landley.net> parents: 1089 diff changeset	45
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	46 return s-salt;
e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	47 }
1090 7c62d5db4484 Minor lib/password.c cleanup, described on the list. (Inline two functions.) Rob Landley <rob@landley.net> parents: 1089 diff changeset	48 }
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	49
1363 e65f9a9ba62d Cleanup pass on mkpasswd.c Rob Landley <rob@landley.net> parents: 1308 diff changeset	50 return -1;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	51 }
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	52
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	53 // Reset terminal to known state, returning old state if old != NULL.
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	54 int set_terminal(int fd, int raw, struct termios *old)
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	55 {
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	56 struct termios termio;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	57
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	58 if (!tcgetattr(fd, &termio) && old) *old = termio;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	59
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	60 // the following are the bits set for an xterm. Linux text mode TTYs by
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	61 // default add two additional bits that only matter for serial processing
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	62 // (turn serial line break into an interrupt, and XON/XOFF flow control)
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	63
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	64 // Any key unblocks output, swap CR and NL on input
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	65 termio.c_iflag = IXANY\|ICRNL\|INLCR;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	66 if (toys.which->flags & TOYFLAG_LOCALE) termio.c_iflag \|= IUTF8;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	67
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	68 // Output appends CR to NL, does magic undocumented postprocessing
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	69 termio.c_oflag = ONLCR\|OPOST;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	70
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	71 // Leave serial port speed alone
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	72 // termio.c_cflag = C_READ\|CS8\|EXTB;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	73
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	74 // Generate signals, input entire line at once, echo output
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	75 // erase, line kill, escape control characters with ^
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	76 // erase line char at a time
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	77 // "extended" behavior: ctrl-V quotes next char, ctrl-R reprints unread chars,
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	78 // ctrl-W erases word
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	79 termio.c_lflag = ISIG\|ICANON\|ECHO\|ECHOE\|ECHOK\|ECHOCTL\|ECHOKE\|IEXTEN;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	80
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	81 if (raw) cfmakeraw(&termio);
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	82
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	83 return tcsetattr(fd, TCSANOW, &termio);
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	84 }
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	85
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	86 // Prompt with mesg, read password into buf, return 0 for success 1 for fail
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	87 int read_password(char buf, int buflen, char mesg)
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	88 {
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	89 struct termios oldtermio;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	90 struct sigaction sa, oldsa;
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	91 int i, ret = 1;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	92
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	93 // NOP signal handler to return from the read
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	94 memset(&sa, 0, sizeof(sa));
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	95 sa.sa_handler = generic_signal;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	96 sigaction(SIGINT, &sa, &oldsa);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	97
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	98 tcflush(0, TCIFLUSH);
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	99 set_terminal(0, 1, &oldtermio);
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	100
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	101 xprintf("%s", mesg);
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	102
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	103 for (i=0; i < buflen-1; i++) {
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	104 if ((ret = read(0, buf+i, 1)) < 0 \|\| (!ret && !i)) {
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	105 i = 0;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	106 ret = 1;
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	107
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	108 break;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	109 } else if (!ret \|\| buf[i] == '\n' \|\| buf[i] == '\r') {
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	110 ret = 0;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	111
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	112 break;
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	113 } else if (buf[i] == 8 \|\| buf[i] == 127) i -= i ? 2 : 1;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	114 }
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	115
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	116 // Restore terminal/signal state, terminate string
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	117 sigaction(SIGINT, &oldsa, NULL);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	118 tcsetattr(0, TCSANOW, &oldtermio);
1366 4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	119 buf[i] = 0;
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	120 xputc('\n');
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	121
4cf313dbd885 Cleanup read_password(), factor out set_terminal(), fix salt bug (des wants the salt raw, no $ at the beginning). Rob Landley <rob@landley.net> parents: 1363 diff changeset	122 return ret;
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	123 }
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	124
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	125 static char get_nextcolon(char line, int cnt)
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	126 {
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	127 while (cnt--) {
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	128 if (!(line = strchr(line, ':'))) error_exit("Invalid Entry\n");
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	129 line++; //jump past the colon
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	130 }
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	131 return line;
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	132 }
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	133
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	134 /*update_password is used by multiple utilities to update /etc/passwd,
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	135 * /etc/shadow, /etc/group and /etc/gshadow files,
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	136 * which are used as user, group databeses
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	137 * entry can be
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	138 * 1. encrypted password, when updating user password.
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	139 * 2. complete entry for user details, when creating new user
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	140 * 3. group members comma',' separated list, when adding user to group
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	141 * 4. complete entry for group details, when creating new group
1159 f1c924e08e63 Attached is an implementation for groupdel. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1107 diff changeset	142 * 5. entry = NULL, delete the named entry user/group
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	143 */
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	144 int update_password(char filename, char username, char* entry)
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	145 {
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	146 char filenamesfx = NULL, namesfx = NULL, *shadow = NULL,
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	147 sfx = NULL, line = NULL;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	148 FILE exfp, newfp;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	149 int ret = -1, found = 0;
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	150 struct flock lock;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	151
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	152 shadow = strstr(filename, "shadow");
1183 0752b2d58909 Rename xmsprintf() to just xmprintf(). Rob Landley <rob@landley.net> parents: 1159 diff changeset	153 filenamesfx = xmprintf("%s+", filename);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	154 sfx = strchr(filenamesfx, '+');
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	155
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	156 exfp = fopen(filename, "r+");
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	157 if (!exfp) {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	158 perror_msg("Couldn't open file %s",filename);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	159 goto free_storage;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	160 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	161
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	162 *sfx = '-';
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	163 ret = unlink(filenamesfx);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	164 ret = link(filename, filenamesfx);
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	165 if (ret < 0) error_msg("can't create backup file");
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	166
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	167 *sfx = '+';
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	168 lock.l_type = F_WRLCK;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	169 lock.l_whence = SEEK_SET;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	170 lock.l_start = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	171 lock.l_len = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	172
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	173 ret = fcntl(fileno(exfp), F_SETLK, &lock);
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	174 if (ret < 0) perror_msg("Couldn't lock file %s",filename);
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	175
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	176 lock.l_type = F_UNLCK; //unlocking at a later stage
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	177
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	178 newfp = fopen(filenamesfx, "w+");
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	179 if (!newfp) {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	180 error_msg("couldn't open file for writing");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	181 ret = -1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	182 fclose(exfp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	183 goto free_storage;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	184 }
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	185
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	186 ret = 0;
1183 0752b2d58909 Rename xmsprintf() to just xmprintf(). Rob Landley <rob@landley.net> parents: 1159 diff changeset	187 namesfx = xmprintf("%s:",username);
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	188 while ((line = get_line(fileno(exfp))) != NULL)
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	189 {
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	190 if (strncmp(line, namesfx, strlen(namesfx)))
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	191 fprintf(newfp, "%s\n", line);
1159 f1c924e08e63 Attached is an implementation for groupdel. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1107 diff changeset	192 else if (entry) {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	193 char *current_ptr = NULL;
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	194
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	195 found = 1;
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	196 if (!strcmp(toys.which->name, "passwd")) {
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	197 fprintf(newfp, "%s%s:",namesfx, entry);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	198 current_ptr = get_nextcolon(line, 2); //past passwd
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	199 if (shadow) {
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	200 fprintf(newfp, "%u:",(unsigned)(time(NULL))/(246060));
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	201 current_ptr = get_nextcolon(current_ptr, 1);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	202 fprintf(newfp, "%s\n",current_ptr);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	203 } else fprintf(newfp, "%s\n",current_ptr);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	204 } else if (!strcmp(toys.which->name, "groupadd") \|\|
1159 f1c924e08e63 Attached is an implementation for groupdel. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1107 diff changeset	205 !strcmp(toys.which->name, "addgroup") \|\|
f1c924e08e63 Attached is an implementation for groupdel. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1107 diff changeset	206 !strcmp(toys.which->name, "delgroup") \|\|
f1c924e08e63 Attached is an implementation for groupdel. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1107 diff changeset	207 !strcmp(toys.which->name, "groupdel")){
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	208 current_ptr = get_nextcolon(line, 3); //past gid/admin list
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	209 *current_ptr = '\0';
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	210 fprintf(newfp, "%s", line);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	211 fprintf(newfp, "%s\n", entry);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	212 }
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	213 }
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	214 free(line);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	215 }
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	216 free(namesfx);
1159 f1c924e08e63 Attached is an implementation for groupdel. Ashwini Sharma <ak.ashwini1981@gmail.com> parents: 1107 diff changeset	217 if (!found && entry) fprintf(newfp, "%s\n", entry);
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	218 fcntl(fileno(exfp), F_SETLK, &lock);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	219 fclose(exfp);
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	220
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	221 errno = 0;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	222 fflush(newfp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	223 fsync(fileno(newfp));
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	224 fclose(newfp);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	225 rename(filenamesfx, filename);
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	226 if (errno) {
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	227 perror_msg("File Writing/Saving failed: ");
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	228 unlink(filenamesfx);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	229 ret = -1;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	230 }
626 77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	231
77d94b36aff0 Add passwd by Kyungwan Han. Rob Landley <rob@landley.net> parents: diff changeset	232 free_storage:
694 786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	233 free(filenamesfx);
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	234 return ret;
786841fdb1e0 Reindent to two spaces per level. Remove vi: directives that haven't worked right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style. Rob Landley <rob@landley.net> parents: 637 diff changeset	235 }
1089 77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	236
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	237 void is_valid_username(const char *name)
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	238 {
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	239 regex_t rp;
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	240 regmatch_t rm[1];
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	241 int eval;
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	242 char regex = "^[_.A-Za-z0-9][-_.A-Za-z0-9]"; //User name REGEX
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	243
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	244 xregcomp(&rp, regex, REG_NEWLINE);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	245
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	246 /* compare string against pattern -- remember that patterns
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	247 are anchored to the beginning of the line */
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	248 eval = regexec(&rp, name, 1, rm, 0);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	249 regfree(&rp);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	250 if (!eval && !rm[0].rm_so) {
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	251 int len = strlen(name);
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	252 if ((rm[0].rm_eo == len) \|\|
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	253 (rm[0].rm_eo == len - 1 && name[len - 1] == '$')) {
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	254 if (len >= LOGIN_NAME_MAX) error_exit("name is too long");
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	255 else return;
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	256 }
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	257 }
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	258 error_exit("'%s', not valid %sname",name,
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	259 (((toys.which->name[3] == 'g') \|\|
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	260 (toys.which->name[0] == 'g'))? "group" : "user"));
77235d224b1d Prep work for useradd by Ashwini Sharma. Rob Landley <rob@landley.net> parents: 694 diff changeset	261 }

Mercurial > hg > toybox

annotate lib/password.c @ 1387:a0d26c5e3271 draft