diff options
Diffstat (limited to 'release/src/router/busybox/libpwdgrp/shadow.c')
| -rw-r--r-- | release/src/router/busybox/libpwdgrp/shadow.c | 300 |
1 files changed, 0 insertions, 300 deletions
diff --git a/release/src/router/busybox/libpwdgrp/shadow.c b/release/src/router/busybox/libpwdgrp/shadow.c deleted file mode 100644 index 9e218f96..00000000 --- a/release/src/router/busybox/libpwdgrp/shadow.c +++ /dev/null @@ -1,300 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * Copyright 1989 - 1994, Julianne Frances Haugh - * <jockgrrl@austin.rr.com>, <jfh@austin.ibm.com> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of Julianne F. Haugh nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY JULIE HAUGH AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL JULIE HAUGH OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -/* TODO: fgetspent_r.c getspent_r.c getspnam_r.c sgetspent_r.c - * lckpwdf ulckpwdf - */ - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "busybox.h" -#include "shadow_.h" - -static FILE *shadow; -static char spwbuf[BUFSIZ]; -static struct spwd spwd; - -#define FIELDS 9 -#define OFIELDS 5 - -/* setspent - initialize access to shadow text and DBM files */ -void setspent(void) -{ - if (shadow) { - rewind(shadow); - } else { - shadow = bb_xfopen(bb_path_shadow_file, "r"); - } -} - -/* endspent - terminate access to shadow text and DBM files */ -void endspent(void) -{ - if (shadow) - (void) fclose(shadow); - shadow = (FILE *) 0; -} - -/* getspent - get a (struct spwd *) from the current shadow file */ -struct spwd *getspent(void) -{ - if (!shadow) - setspent(); - return (fgetspent(shadow)); -} - -/* getspnam - get a shadow entry by name */ -struct spwd *getspnam(const char *name) -{ - struct spwd *sp; - - if (!name || !strlen(name)) - return NULL; - - setspent(); - while ((sp = getspent()) != NULL) { - if (strcmp(name, sp->sp_namp) == 0) - break; - } - endspent(); - return (sp); -} - - -/* sgetspent - convert string in shadow file format to (struct spwd *) */ -/* returns NULL on error */ -struct spwd *sgetspent(const char *string) -{ - char *fields[FIELDS]; - char *cp; - char *cpp; - int i; - - /* - * Copy string to local buffer. It has to be tokenized and we - * have to do that to our private copy. - */ - - if (strlen(string) >= sizeof spwbuf) - /* return 0; */ - return NULL; - strcpy(spwbuf, string); - - if ((cp = strrchr(spwbuf, '\n'))) - *cp = '\0'; - - /* - * Tokenize the string into colon separated fields. Allow up to - * FIELDS different fields. - */ - - for (cp = spwbuf, i = 0; *cp && i < FIELDS; i++) { - fields[i] = cp; - while (*cp && *cp != ':') - cp++; - - if (*cp) - *cp++ = '\0'; - } - - /* - * It is acceptable for the last SVR4 field to be blank. This - * results in the loop being terminated early. In which case, - * we just make the last field be blank and be done with it. - */ - - if (i == (FIELDS - 1)) - fields[i++] = cp; - - if ((cp && *cp) || (i != FIELDS && i != OFIELDS)) - /* return 0; */ - return NULL; - - /* - * Start populating the structure. The fields are all in - * static storage, as is the structure we pass back. If we - * ever see a name with '+' as the first character, we try - * to turn on NIS processing. - */ - - spwd.sp_namp = fields[0]; - spwd.sp_pwdp = fields[1]; - - /* - * Get the last changed date. For all of the integer fields, - * we check for proper format. It is an error to have an - * incorrectly formatted number, unless we are using NIS. - */ - - if ((spwd.sp_lstchg = strtol(fields[2], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[2][0] == '\0') - spwd.sp_lstchg = -1; - - /* - * Get the minimum period between password changes. - */ - - if ((spwd.sp_min = strtol(fields[3], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[3][0] == '\0') - spwd.sp_min = -1; - - /* - * Get the maximum number of days a password is valid. - */ - - if ((spwd.sp_max = strtol(fields[4], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[4][0] == '\0') - spwd.sp_max = -1; - - /* - * If there are only OFIELDS fields (this is a SVR3.2 /etc/shadow - * formatted file), initialize the other field members to -1. - */ - - if (i == OFIELDS) { - spwd.sp_warn = spwd.sp_inact = spwd.sp_expire = spwd.sp_flag = -1; - - return &spwd; - } - - /* - * The rest of the fields are mandatory for SVR4, but optional - * for anything else. However, if one is present the others - * must be as well. - */ - - /* - * Get the number of days of password expiry warning. - */ - - if ((spwd.sp_warn = strtol(fields[5], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[5][0] == '\0') - spwd.sp_warn = -1; - - /* - * Get the number of days of inactivity before an account is - * disabled. - */ - - if ((spwd.sp_inact = strtol(fields[6], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[6][0] == '\0') - spwd.sp_inact = -1; - - /* - * Get the number of days after the epoch before the account is - * set to expire. - */ - - if ((spwd.sp_expire = strtol(fields[7], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[7][0] == '\0') - spwd.sp_expire = -1; - - /* - * This field is reserved for future use. But it isn't supposed - * to have anything other than a valid integer in it. - */ - - if ((spwd.sp_flag = strtol(fields[8], &cpp, 10)) == 0 && *cpp) { - /* return 0; */ - return NULL; - } else if (fields[8][0] == '\0') - spwd.sp_flag = -1; - - return (&spwd); -} - -/* fgetspent - get an entry from an /etc/shadow formatted stream */ -struct spwd *fgetspent(FILE *fp) -{ - char buf[BUFSIZ]; - char *cp; - - if (!fp) - /* return (0); */ - return NULL; - - if (fgets(buf, sizeof buf, fp) != (char *) 0) { - if ((cp = strchr(buf, '\n'))) - *cp = '\0'; - return (sgetspent(buf)); - } - /* return 0; */ - return NULL; -} - -/* - * putspent - put a (struct spwd *) into the (FILE *) you provide. - * - * this was described in shadow_.h but not implemented, so here - * I go. -beppu - * - */ -int putspent(const struct spwd *sp, FILE *fp) -{ - int ret; - - /* seek to end */ - ret = fseek(fp, 0, SEEK_END); - if (ret == -1) { - /* return -1; */ - return 1; - } - - /* powered by fprintf */ - fprintf(fp, "%s:%s:%ld:%ld:%ld:%ld:%ld:%ld:%s\n", sp->sp_namp, /* login name */ - sp->sp_pwdp, /* encrypted password */ - sp->sp_lstchg, /* date of last change */ - sp->sp_min, /* minimum number of days between changes */ - sp->sp_max, /* maximum number of days between changes */ - sp->sp_warn, /* number of days of warning before password expires */ - sp->sp_inact, /* number of days after password expires until - the account becomes unusable */ - sp->sp_expire, /* days since 1/1/70 until account expires */ - ""); - return 0; -} - - |