1 | #ifndef _HAVE_LOGINREC_H_ |
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2 | #define _HAVE_LOGINREC_H_ |
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3 | |
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4 | /* |
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5 | * Copyright (c) 2000 Andre Lucas. All rights reserved. |
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6 | * |
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7 | * Redistribution and use in source and binary forms, with or without |
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8 | * modification, are permitted provided that the following conditions |
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9 | * are met: |
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10 | * 1. Redistributions of source code must retain the above copyright |
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11 | * notice, this list of conditions and the following disclaimer. |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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17 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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18 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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19 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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20 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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21 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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22 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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23 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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24 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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25 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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26 | */ |
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27 | |
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28 | /** |
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29 | ** loginrec.h: platform-independent login recording and lastlog retrieval |
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30 | **/ |
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31 | |
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32 | #include "includes.h" |
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33 | |
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34 | #include <sys/types.h> |
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35 | #include <netinet/in.h> |
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36 | #include <sys/socket.h> |
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37 | |
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38 | /* RCSID("$Id: loginrec.h,v 1.1.1.2 2006-11-30 21:20:54 ghudson Exp $"); */ |
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39 | |
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40 | /** |
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41 | ** you should use the login_* calls to work around platform dependencies |
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42 | **/ |
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43 | |
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44 | /* |
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45 | * login_netinfo structure |
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46 | */ |
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47 | |
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48 | union login_netinfo { |
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49 | struct sockaddr sa; |
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50 | struct sockaddr_in sa_in; |
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51 | struct sockaddr_storage sa_storage; |
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52 | }; |
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53 | |
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54 | /* |
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55 | * * logininfo structure * |
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56 | */ |
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57 | /* types - different to utmp.h 'type' macros */ |
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58 | /* (though set to the same value as linux, openbsd and others...) */ |
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59 | #define LTYPE_LOGIN 7 |
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60 | #define LTYPE_LOGOUT 8 |
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61 | |
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62 | /* string lengths - set very long */ |
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63 | #define LINFO_PROGSIZE 64 |
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64 | #define LINFO_LINESIZE 64 |
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65 | #define LINFO_NAMESIZE 128 |
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66 | #define LINFO_HOSTSIZE 256 |
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67 | |
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68 | struct logininfo { |
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69 | char progname[LINFO_PROGSIZE]; /* name of program (for PAM) */ |
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70 | int progname_null; |
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71 | short int type; /* type of login (LTYPE_*) */ |
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72 | int pid; /* PID of login process */ |
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73 | int uid; /* UID of this user */ |
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74 | char line[LINFO_LINESIZE]; /* tty/pty name */ |
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75 | char username[LINFO_NAMESIZE]; /* login username */ |
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76 | char hostname[LINFO_HOSTSIZE]; /* remote hostname */ |
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77 | /* 'exit_status' structure components */ |
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78 | int exit; /* process exit status */ |
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79 | int termination; /* process termination status */ |
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80 | /* struct timeval (sys/time.h) isn't always available, if it isn't we'll |
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81 | * use time_t's value as tv_sec and set tv_usec to 0 |
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82 | */ |
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83 | unsigned int tv_sec; |
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84 | unsigned int tv_usec; |
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85 | union login_netinfo hostaddr; /* caller's host address(es) */ |
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86 | }; /* struct logininfo */ |
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87 | |
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88 | /* |
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89 | * login recording functions |
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90 | */ |
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91 | |
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92 | /** 'public' functions */ |
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93 | |
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94 | /* construct a new login entry */ |
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95 | struct logininfo *login_alloc_entry(int pid, const char *username, |
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96 | const char *hostname, const char *line); |
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97 | /* free a structure */ |
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98 | void login_free_entry(struct logininfo *li); |
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99 | /* fill out a pre-allocated structure with useful information */ |
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100 | int login_init_entry(struct logininfo *li, int pid, const char *username, |
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101 | const char *hostname, const char *line); |
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102 | /* place the current time in a logininfo struct */ |
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103 | void login_set_current_time(struct logininfo *li); |
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104 | |
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105 | /* record the entry */ |
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106 | int login_login (struct logininfo *li); |
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107 | int login_logout(struct logininfo *li); |
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108 | #ifdef LOGIN_NEEDS_UTMPX |
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109 | int login_utmp_only(struct logininfo *li); |
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110 | #endif |
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111 | |
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112 | /** End of public functions */ |
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113 | |
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114 | /* record the entry */ |
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115 | int login_write (struct logininfo *li); |
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116 | int login_log_entry(struct logininfo *li); |
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117 | |
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118 | /* set the network address based on network address type */ |
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119 | void login_set_addr(struct logininfo *li, const struct sockaddr *sa, |
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120 | const unsigned int sa_size); |
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121 | |
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122 | /* |
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123 | * lastlog retrieval functions |
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124 | */ |
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125 | /* lastlog *entry* functions fill out a logininfo */ |
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126 | struct logininfo *login_get_lastlog(struct logininfo *li, const int uid); |
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127 | /* lastlog *time* functions return time_t equivalent (uint) */ |
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128 | unsigned int login_get_lastlog_time(const int uid); |
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129 | |
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130 | /* produce various forms of the line filename */ |
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131 | char *line_fullname(char *dst, const char *src, u_int dstsize); |
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132 | char *line_stripname(char *dst, const char *src, int dstsize); |
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133 | char *line_abbrevname(char *dst, const char *src, int dstsize); |
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134 | |
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135 | void record_failed_login(const char *, const char *, const char *); |
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136 | |
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137 | #endif /* _HAVE_LOGINREC_H_ */ |
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