1 | /* $Id: mr_server.h 4001 2010-04-21 20:38:45Z zacheiss $ |
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2 | * |
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3 | * Copyright (C) 1987-1998 by the Massachusetts Institute of Technology |
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4 | * For copying and distribution information, please see the file |
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5 | * <mit-copyright.h>. |
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6 | */ |
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7 | |
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8 | #include <moira.h> |
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9 | #include <mr_private.h> |
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10 | #include <moira_site.h> |
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11 | #include <moira_schema.h> |
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12 | |
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13 | #include <netinet/in.h> |
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14 | |
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15 | #include <stdarg.h> |
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16 | |
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17 | #ifdef HAVE_KRB4 |
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18 | #include <krb.h> |
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19 | #else |
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20 | #include <mr_krb.h> |
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21 | #endif |
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22 | #include <krb5.h> |
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23 | |
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24 | enum clstate { CL_ACCEPTING, CL_ACTIVE, CL_CLOSING }; |
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25 | |
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26 | /* |
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27 | * This structure holds all per-client information; one of these is |
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28 | * allocated for each active client. |
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29 | */ |
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30 | |
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31 | typedef struct _client { |
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32 | int con; /* Connection to the client */ |
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33 | int id; /* Unique id of client */ |
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34 | struct sockaddr_in haddr; /* IP address of client */ |
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35 | enum clstate state; /* State of the connection */ |
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36 | char clname[MAX_K_NAME_SZ]; /* Name client authenticated to */ |
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37 | char entity[USERS_MODWITH_SIZE]; /* client program being used */ |
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38 | int users_id; /* Moira-internal ID of authenticated user */ |
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39 | int client_id; /* Moira-internal ID of client */ |
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40 | int proxy_id; /* client_id of orig user, if proxied */ |
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41 | int version; /* Max query version known by client */ |
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42 | time_t last_time_used; /* Last time connection used */ |
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43 | mr_params req; /* Current request */ |
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44 | mr_params *tuples; /* Tuples waiting to send back to client */ |
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45 | int ntuples; /* Number of tuples waiting */ |
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46 | int tuplessize; /* Current size of tuple array */ |
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47 | int nexttuple; /* Next tuple to return */ |
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48 | char *hsbuf; /* Buffer for initial connection handshaking */ |
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49 | int hslen; /* Length of data in hsbuf */ |
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50 | } client; |
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51 | |
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52 | struct mxentry |
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53 | { |
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54 | char *name; |
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55 | int pref; |
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56 | }; |
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57 | |
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58 | extern char *krb_realm; |
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59 | |
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60 | /* max length of query argument allowed */ |
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61 | #define ARGLEN 257 |
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62 | /* Used to setup static argv, maximum argc */ |
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63 | #define QMAXARGS 25 |
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64 | |
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65 | /* statistics on number of queries by version number */ |
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66 | extern int newqueries; |
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67 | |
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68 | /* Maximum and minimum values that will be used for uids and gids */ |
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69 | #define MAX_ID_VALUE 131072 |
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70 | #define MIN_ID_VALUE 100 |
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71 | |
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72 | /* Sleepy states for the server! */ |
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73 | #define AWAKE 0 |
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74 | #define SLEEPY 1 |
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75 | #define ASLEEP 2 |
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76 | #define GROGGY 3 |
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77 | extern int dormant; |
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78 | |
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79 | /* state for the incremental update system */ |
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80 | extern int inc_running, inc_pid; |
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81 | extern time_t inc_started, now; |
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82 | #define INC_TIMEOUT (3 * 60) /* 3 minutes */ |
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83 | |
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84 | |
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85 | #define SQL_NO_MATCH 1403 /* oracle, not ingres (= 100) */ |
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86 | |
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87 | /* types needed for prototypes */ |
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88 | struct query; |
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89 | struct validate; |
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90 | struct valobj; |
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91 | |
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92 | /* prototypes from increment.dc */ |
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93 | void incremental_init(void); |
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94 | void next_incremental(void); |
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95 | void incremental_update(void); |
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96 | void incremental_flush(void); |
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97 | |
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98 | /* prototypes from qrtn.dc */ |
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99 | void dbmserr(void); |
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100 | void dosql(char *buffers[]); |
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101 | int mr_open_database(void); |
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102 | void mr_close_database(void); |
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103 | int mr_process_query(client *cl, char *name, int argc, char *argv_ro[], |
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104 | int (*action)(int, char *[], void *), void *actarg); |
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105 | int mr_check_access(client *cl, char *name, int argc, char *argv_ro[]); |
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106 | void sanity_check_queries(void); |
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107 | int set_krb_mapping(char *name, char *login, int ok, int *kid, int *uid); |
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108 | int find_member(char *list_type, int list_id, client *cl); |
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109 | int do_for_all_rows(char *query, int count, |
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110 | int (*action)(int, char *[], void *), void *actarg); |
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111 | char *build_qual(char *fmt, int argc, char *argv[]); |
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112 | |
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113 | |
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114 | /* prototyoes from qsupport.dc */ |
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115 | int set_pop_usage(int id, int cnt); |
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116 | |
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117 | /* prototypes from qvalidate.dc */ |
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118 | void sanity_check_database(void); |
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119 | int add_string(char *name); |
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120 | int convert_wildcards(char *arg); |
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121 | |
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122 | /* prototypes from mr_main.c */ |
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123 | void clist_delete(client *cp); |
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124 | |
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125 | /* prototypes from mr_sauth.c */ |
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126 | void do_auth(client *cl); |
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127 | void do_proxy(client *cl); |
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128 | void do_krb5_auth(client *cl); |
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129 | |
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130 | /* prototypes from mr_scall.c */ |
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131 | void do_client(client *cl); |
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132 | void client_reply(client *cl, long status); |
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133 | void client_return_tuple(client *cl, int argc, char **argv); |
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134 | void client_read(client *cl); |
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135 | void client_write(client *cl); |
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136 | |
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137 | /* prototypes from mr_shutdown.c */ |
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138 | void sigshut(int); |
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139 | void do_shutdown(client *cl); |
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140 | |
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141 | /* prototypes from mr_util.c */ |
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142 | char *requote(char *buf); |
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143 | void log_args(char *tag, int version, int argc, char **argv); |
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144 | void mr_com_err(const char *whoami, long code, const char *fmt, va_list pvar); |
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145 | int mr_trim_args(int argc, char **argv); |
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146 | char **mr_copy_args(char **argv, int argc); |
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147 | void *xmalloc(size_t); |
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148 | void *xrealloc(void *, size_t); |
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149 | char *xstrdup(char *); |
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150 | |
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151 | /* prototypes from qaccess.pc */ |
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152 | int access_user(struct query *q, char *argv[], client *cl); |
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153 | int access_login(struct query *q, char *argv[], client *cl); |
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154 | int access_spob(struct query *q, char *argv[], client *cl); |
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155 | int access_list(struct query *q, char *argv[], client *cl); |
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156 | int access_visible_list(struct query *q, char *argv[], client *cl); |
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157 | int access_vis_list_by_name(struct query *q, char *argv[], client *cl); |
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158 | int access_member(struct query *q, char *argv[], client *cl); |
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159 | int access_qgli(struct query *q, char *argv[], client *cl); |
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160 | int access_service(struct query *q, char *argv[], client *cl); |
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161 | int access_filesys(struct query *q, char *argv[], client *cl); |
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162 | int access_host(struct query *q, char *argv[], client *cl); |
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163 | int access_ahal(struct query *q, char *argv[], client *cl); |
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164 | int access_snt(struct query *q, char *argv[], client *cl); |
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165 | int access_printer(struct query *q, char *argv[], client *cl); |
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166 | int access_zephyr(struct query *q, char *argv[], client *cl); |
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167 | int access_container(struct query *q, char *argv[], client *cl); |
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168 | int access_update_user(struct query *q, char *argv[], client *cl); |
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169 | int check_mail_string(char *mailstring); |
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170 | struct mxentry *getmxrecords(const char *); |
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171 | |
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172 | /* prototypes from qfollow.pc */ |
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173 | int followup_fix_modby(struct query *q, struct save_queue *sq, |
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174 | struct validate *v, int (*action)(int, char **, void *), |
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175 | void *actarg, client *cl); |
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176 | int followup_gpob(struct query *q, struct save_queue *sq, struct validate *v, |
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177 | int (*action)(int, char **, void *), void *actarg, |
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178 | client *cl); |
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179 | int followup_glin(struct query *q, struct save_queue *sq, struct validate *v, |
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180 | int (*action)(int, char **, void *), void *actarg, |
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181 | client *cl); |
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182 | int followup_gsin(struct query *q, struct save_queue *sq, struct validate *v, |
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183 | int (*action)(int, char **, void *), void *actarg, |
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184 | client *cl); |
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185 | int followup_gzcl(struct query *q, struct save_queue *sq, struct validate *v, |
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186 | int (*action)(int, char **, void *), void *actarg, |
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187 | client *cl); |
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188 | int followup_gsha(struct query *q, struct save_queue *sq, struct validate *v, |
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189 | int (*action)(int, char **, void *), void *actarg, |
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190 | client *cl); |
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191 | int followup_gqot(struct query *q, struct save_queue *sq, struct validate *v, |
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192 | int (*action)(int, char **, void *), void *actarg, |
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193 | client *cl); |
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194 | int followup_guax(struct query *q, struct save_queue *sq, struct validate *v, |
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195 | int (*action)(int, char **, void *), void *actarg, |
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196 | client *cl); |
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197 | int followup_gsnt(struct query *q, struct save_queue *sq, struct validate *v, |
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198 | int (*action)(int, char **, void *), void *actarg, |
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199 | client *cl); |
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200 | int followup_ghst(struct query *q, struct save_queue *sq, struct validate *v, |
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201 | int (*action)(int, char **, void *), void *actarg, |
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202 | client *cl); |
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203 | int followup_gpsv(struct query *q, struct save_queue *sq, struct validate *v, |
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204 | int (*action)(int, char **, void *), void *actarg, |
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205 | client *cl); |
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206 | int followup_gcon(struct query *q, struct save_queue *sq, struct validate *v, |
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207 | int (*action)(int, char **, void *), void *actarg, |
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208 | client *cl); |
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209 | int followup_get_user(struct query *q, struct save_queue *sq, |
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210 | struct validate *v, int (*action)(int, char **, void *), |
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211 | void *actarg, client *cl); |
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212 | |
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213 | int followup_ausr(struct query *q, char *argv[], client *cl); |
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214 | int followup_aqot(struct query *q, char *argv[], client *cl); |
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215 | int followup_dqot(struct query *q, char *argv[], client *cl); |
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216 | |
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217 | int set_modtime(struct query *q, char *argv[], client *cl); |
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218 | int set_modtime_by_id(struct query *q, char *argv[], client *cl); |
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219 | int set_finger_modtime(struct query *q, char *argv[], client *cl); |
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220 | int set_pobox_modtime(struct query *q, char *argv[], client *cl); |
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221 | int set_uppercase_modtime(struct query *q, char *argv[], client *cl); |
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222 | int set_mach_modtime_by_id(struct query *q, char *argv[], client *cl); |
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223 | int set_cluster_modtime_by_id(struct query *q, char *argv[], client *cl); |
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224 | int set_serverhost_modtime(struct query *q, char *argv[], client *cl); |
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225 | int set_nfsphys_modtime(struct query *q, char *argv[], client *cl); |
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226 | int set_filesys_modtime(struct query *q, char *argv[], client *cl); |
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227 | int set_zephyr_modtime(struct query *q, char *argv[], client *cl); |
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228 | int set_service_modtime(struct query *q, char *argv[], client *cl); |
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229 | int _sdl_followup(struct query *q, char *argv[], client *cl); |
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230 | int trigger_dcm(struct query *q, char *argv[], client *cl); |
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231 | |
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232 | /* prototypes from qsetup.pc */ |
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233 | int prefetch_value(struct query *q, char *argv[], client *cl); |
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234 | int prefetch_filesys(struct query *q, char *argv[], client *cl); |
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235 | int setup_ausr(struct query *q, char *argv[], client *cl); |
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236 | int setup_dusr(struct query *q, char *argv[], client *cl); |
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237 | int setup_dpob(struct query *q, char *argv[], client *cl); |
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238 | int setup_dmac(struct query *q, char *argv[], client *cl); |
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239 | int setup_dclu(struct query *q, char *argv[], client *cl); |
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240 | int setup_alis(struct query *q, char *argv[], client *cl); |
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241 | int setup_dlis(struct query *q, char *argv[], client *cl); |
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242 | int setup_dsin(struct query *q, char *argv[], client *cl); |
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243 | int setup_dshi(struct query *q, char *argv[], client *cl); |
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244 | int setup_afil(struct query *q, char *argv[], client *cl); |
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245 | int setup_ufil(struct query *q, char *argv[], client *cl); |
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246 | int setup_dfil(struct query *q, char *argv[], client *cl); |
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247 | int setup_aftg(struct query *q, char *argv[], client *cl); |
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248 | int setup_dnfp(struct query *q, char *argv[], client *cl); |
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249 | int setup_dqot(struct query *q, char *argv[], client *cl); |
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250 | int setup_asnt(struct query *q, char *argv[], client *cl); |
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251 | int setup_dsnt(struct query *q, char *argv[], client *cl); |
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252 | int setup_ghst(struct query *q, char *argv[], client *cl); |
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253 | int setup_ahst(struct query *q, char *argv[], client *cl); |
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254 | int setup_ahal(struct query *q, char *argv[], client *cl); |
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255 | int setup_ahha(struct query *q, char *argv[], client *cl); |
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256 | int setup_aprn(struct query *q, char *argv[], client *cl); |
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257 | int setup_dpsv(struct query *q, char *argv[], client *cl); |
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258 | int setup_dcon(struct query *q, char *argv[], client *cl); |
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259 | int setup_acon(struct query *q, char *argv[], client *cl); |
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260 | int setup_scli(struct query *q, char *argv[], client *cl); |
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261 | int setup_aali(struct query *q, char *argv[], client *cl); |
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262 | |
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263 | /* prototypes from qsupport.pc */ |
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264 | int set_pobox(struct query *q, char *argv[], client *cl); |
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265 | int set_pobox_pop(struct query *q, char *argv[], client *cl); |
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266 | int add_member_to_list(struct query *q, char *argv[], client *cl); |
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267 | int delete_member_from_list(struct query *q, char *argv[], client *cl); |
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268 | int tag_member_of_list(struct query *q, char *argv[], client *cl); |
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269 | int register_user(struct query *q, char *argv[], client *cl); |
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270 | int do_user_reservation(struct query *q, char *argv[], client *cl); |
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271 | int update_container(struct query *q, char *argv[], client *cl); |
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272 | int set_container_list(struct query *q, char *argv[], client *cl); |
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273 | |
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274 | int get_ace_use(struct query *q, char **argv, client *cl, |
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275 | int (*action)(int, char *[], void *), void *actarg); |
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276 | int get_host_by_owner(struct query *q, char **argv, client *cl, |
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277 | int (*action)(int, char *[], void *), void *actarg); |
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278 | int get_user_account_by_sponsor(struct query *q, char **argv, client *cl, |
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279 | int (*action)(int, char *[], void *), |
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280 | void *actarg); |
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281 | int qualified_get_lists(struct query *q, char **argv, client *cl, |
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282 | int (*action)(int, char *[], void *), void *actarg); |
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283 | int get_members_of_list(struct query *q, char **argv, client *cl, |
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284 | int (*action)(int, char *[], void *), void *actarg); |
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285 | int qualified_get_server(struct query *q, char **argv, client *cl, |
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286 | int (*action)(int, char *[], void *), void *actarg); |
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287 | int qualified_get_serverhost(struct query *q, char **argv, client *cl, |
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288 | int (*action)(int, char *[], void *), |
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289 | void *actarg); |
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290 | int count_members_of_list(struct query *q, char **argv, client *cl, |
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291 | int (*action)(int, char *[], void *), void *actarg); |
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292 | int get_lists_of_member(struct query *q, char **argv, client *cl, |
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293 | int (*action)(int, char *[], void *), void *actarg); |
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294 | int get_user_reservations(struct query *q, char **argv, client *cl, |
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295 | int (*action)(int, char *[], void *), void *actarg); |
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296 | int get_user_by_reservation(struct query *q, char **argv, client *cl, |
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297 | int (*action)(int, char *[], void *), |
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298 | void *actarg); |
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299 | int get_machines_of_container(struct query *q, char **argv, client *cl, |
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300 | int (*action)(int, char *[], void *), |
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301 | void *actarg); |
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302 | int get_subcontainers_of_container(struct query *q, char **argv, client *cl, |
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303 | int (*action)(int, char *[], void *), |
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304 | void *actarg); |
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305 | |
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306 | |
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307 | /* prototypes from qvalidate.pc */ |
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308 | int validate_fields(struct query *q, char *argv[], struct valobj *vo, int n); |
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309 | int validate_row(struct query *q, char *argv[], struct validate *v); |
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