1/* Copyright 1988,1990,1993,1994 by Paul Vixie 2 * All rights reserved 3 * 4 * Distribute freely, except: don't remove my name from the source or 5 * documentation (don't take credit for my work), mark your changes (don't 6 * get me blamed for your possible bugs), don't alter or remove this 7 * notice. May be sold if buildable source is provided to buyer. No 8 * warrantee of any kind, express or implied, is included with this 9 * software; use at your own risk, responsibility for damages (if any) to 10 * anyone resulting from the use of this software rests entirely with the 11 * user. 12 * 13 * Send bug reports, bug fixes, enhancements, requests, flames, etc., and 14 * I'll try to keep a version up to date. I can be reached as follows: 15 * Paul Vixie <paul@vix.com> uunet!decwrl!vixie!paul 16 */ 17 18#if !defined(lint) && !defined(LINT) 19static const char rcsid[] = 20 "$FreeBSD: src/usr.sbin/cron/cron/user.c,v 1.8 1999/08/28 01:15:50 peter Exp $"; 21#endif 22 23/* vix 26jan87 [log is in RCS file] 24 */ 25 26 27#include "cron.h" 28 29static char *User_name; 30 31void 32free_user(u) 33 user *u; 34{ 35 entry *e, *ne; 36 37 free(u->name); 38 for (e = u->crontab; e != NULL; e = ne) { 39 ne = e->next; 40 free_entry(e); 41 } 42 free(u); 43} 44 45static void 46log_error(msg) 47 char *msg; 48{ 49 log_it(User_name, getpid(), "PARSE", msg); 50} 51 52user * 53load_user(crontab_fd, pw, name) 54 int crontab_fd; 55 struct passwd *pw; /* NULL implies syscrontab */ 56 char *name; 57{ 58 char envstr[MAX_ENVSTR]; 59 FILE *file; 60 user *u; 61 entry *e; 62 int status; 63 char **envp, **tenvp; 64 65#ifdef __APPLE__ 66 pw = pw; // avoid unused parameter warning 67#endif 68 if (!(file = fdopen(crontab_fd, "r"))) { 69 warn("fdopen on crontab_fd in load_user"); 70 return NULL; 71 } 72 73 Debug(DPARS, ("load_user()\n")) 74 75 /* file is open. build user entry, then read the crontab file. 76 */ 77 if ((u = (user *) malloc(sizeof(user))) == NULL) { 78 errno = ENOMEM; 79 return NULL; 80 } 81 if ((u->name = strdup(name)) == NULL) { 82 free(u); 83 errno = ENOMEM; 84 return NULL; 85 } 86 u->crontab = NULL; 87 88 /* 89 * init environment. this will be copied/augmented for each entry. 90 */ 91 if ((envp = env_init()) == NULL) { 92 free(u->name); 93 free(u); 94 return NULL; 95 } 96 97 /* 98 * load the crontab 99 */ 100 while ((status = load_env(envstr, file)) >= OK) { 101 switch (status) { 102 case ERR: 103 free_user(u); 104 u = NULL; 105 goto done; 106 case FALSE: 107 User_name = u->name; /* for log_error */ 108#ifdef __APPLE__ 109 e = load_entry(file, log_error, strcmp(name, "*system*") ? name : NULL, envp); 110#else 111 e = load_entry(file, log_error, pw, envp); 112#endif 113 if (e) { 114 e->next = u->crontab; 115 u->crontab = e; 116 } 117 break; 118 case TRUE: 119 if ((tenvp = env_set(envp, envstr))) { 120 envp = tenvp; 121 } else { 122 free_user(u); 123 u = NULL; 124 goto done; 125 } 126 break; 127 } 128 } 129 130 done: 131 env_free(envp); 132 fclose(file); 133 Debug(DPARS, ("...load_user() done\n")) 134 return u; 135} 136