1 | /* $Id: acl.c 3956 2010-01-05 20:56:56Z zacheiss $ |
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2 | * |
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3 | * This is the file acl.c for the Moira Client, which allows users |
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4 | * to quickly and easily maintain most parts of the Moira database. |
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5 | * It Contains: Functions for handling generic ACLs. |
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6 | * |
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7 | * Copyright (C) 1999 by the Massachusetts Institute of Technology. |
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8 | * For copying and distribution information, please see the file |
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9 | * <mit-copyright.h>. |
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10 | */ |
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11 | |
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12 | #include <mit-copyright.h> |
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13 | #include <moira.h> |
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14 | #include <moira_site.h> |
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15 | #include "defs.h" |
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16 | #include "f_defs.h" |
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17 | #include "globals.h" |
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18 | |
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19 | #include <stdio.h> |
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20 | #include <stdlib.h> |
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21 | #include <string.h> |
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22 | |
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23 | RCSID("$HeadURL: svn+ssh://svn.mit.edu/moira/trunk/moira/clients/moira/acl.c $ $Id: acl.c 3956 2010-01-05 20:56:56Z zacheiss $"); |
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24 | |
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25 | void RealDeleteACL(char **info, Bool one_item); |
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26 | void ChangeACL(char **info, Bool one_item); |
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27 | |
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28 | /* Function Name: SetDefaults |
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29 | * Description: sets the default values for ACL additions. |
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30 | * Arguments: info - an array of char pointers to recieve defaults. |
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31 | * Returns: char ** (this array, now filled). |
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32 | */ |
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33 | |
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34 | static char **SetDefaults(char **info, char *host, char *target) |
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35 | { |
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36 | info[ACL_HOST] = strdup(host); |
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37 | info[ACL_TARGET] = strdup(target); |
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38 | info[ACL_KIND] = strdup(""); |
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39 | info[ACL_LIST] = strdup(""); |
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40 | info[ACL_MODTIME] = info[ACL_MODBY] = info[ACL_MODWITH] = NULL; |
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41 | |
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42 | info[ACL_END] = NULL; |
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43 | return info; |
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44 | } |
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45 | |
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46 | /* Function Name: GetACLInfo |
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47 | * Description: Stores the info in a queue. |
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48 | * Arguments: host, target - ACL to get info on |
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49 | * Returns: a pointer to the first element in the queue or null |
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50 | * if ACL not found. |
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51 | */ |
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52 | |
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53 | static struct mqelem *GetACLInfo(char *host, char *target) |
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54 | { |
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55 | int stat; |
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56 | struct mqelem *elem = NULL; |
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57 | char *argv[2]; |
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58 | |
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59 | argv[0] = canonicalize_hostname(strdup(host)); |
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60 | argv[1] = target; |
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61 | stat = do_mr_query("get_acl", 2, argv, StoreInfo, &elem); |
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62 | free(argv[0]); |
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63 | |
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64 | if (stat) |
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65 | { |
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66 | com_err(program_name, stat, " in GetACLInfo"); |
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67 | return NULL; |
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68 | } |
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69 | return QueueTop(elem); |
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70 | } |
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71 | |
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72 | /* Function Name: PrintACLInfo |
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73 | * Description: Yet another specialized print function. |
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74 | * Arguments: info - all info about this ACL. |
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75 | * Returns: a static buffer... |
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76 | */ |
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77 | |
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78 | static char *PrintACLInfo(char **info) |
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79 | { |
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80 | static char name[BUFSIZ]; |
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81 | char buf[BUFSIZ]; |
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82 | |
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83 | if (!info) /* If no informaion */ |
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84 | { |
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85 | Put_message("PrintACLInfo called with null info!"); |
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86 | return NULL; |
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87 | } |
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88 | Put_message(""); |
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89 | sprintf(buf, "Host: %s", info[ACL_HOST]); |
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90 | Put_message(buf); |
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91 | sprintf(buf, "Target file: %s", info[ACL_TARGET]); |
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92 | Put_message(buf); |
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93 | sprintf(buf, "Kind: %-20s List: %s", info[ACL_KIND], info[ACL_LIST]); |
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94 | Put_message(buf); |
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95 | |
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96 | sprintf(name, "%s:%s", info[ACL_HOST], info[ACL_TARGET]); |
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97 | return name; |
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98 | } |
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99 | |
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100 | /* Function Name: AskACLInfo. |
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101 | * Description: This function askes the user for information about an |
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102 | * ACL and saves it into a structure. |
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103 | * Arguments: info - a pointer the the structure to put the |
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104 | * info into. |
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105 | * Returns: none. |
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106 | */ |
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107 | |
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108 | static char **AskACLInfo(char **info) |
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109 | { |
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110 | char temp_buf[BUFSIZ]; |
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111 | |
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112 | Put_message(""); |
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113 | info[ACL_HOST] = canonicalize_hostname(info[ACL_HOST]); |
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114 | sprintf(temp_buf, "ACL %s:%s.", info[ACL_HOST], info[ACL_TARGET]); |
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115 | Put_message(temp_buf); |
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116 | Put_message(""); |
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117 | |
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118 | if (GetTypeFromUser("Kind of ACL", "acl_kind", &info[ACL_KIND]) == |
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119 | SUB_ERROR) |
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120 | return NULL; |
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121 | if (GetValueFromUser("List name", &info[ACL_LIST]) == SUB_ERROR) |
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122 | return NULL; |
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123 | |
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124 | FreeAndClear(&info[ACL_MODTIME], TRUE); |
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125 | FreeAndClear(&info[ACL_MODBY], TRUE); |
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126 | FreeAndClear(&info[ACL_MODWITH], TRUE); |
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127 | |
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128 | return info; |
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129 | } |
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130 | |
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131 | /* ---------------- ACL Menu ------------------ */ |
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132 | |
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133 | /* Function Name: GetACL |
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134 | * Description: Get ACL information |
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135 | * Arguments: argc, argv - host and target file |
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136 | * Returns: DM_NORMAL. |
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137 | */ |
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138 | |
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139 | int GetACL(int argc, char **argv) |
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140 | { |
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141 | struct mqelem *top; |
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142 | |
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143 | top = GetACLInfo(argv[1], argv[2]); |
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144 | Loop(top, (void (*)(char **)) PrintACLInfo); |
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145 | FreeQueue(top); /* clean the queue. */ |
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146 | return DM_NORMAL; |
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147 | } |
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148 | |
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149 | /* Function Name: RealDeleteACL |
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150 | * Description: Does the real deletion work. |
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151 | * Arguments: info - array of char *'s containing all useful info. |
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152 | * one_item - a Boolean that is true if only one item |
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153 | * in queue that dumped us here. |
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154 | * Returns: none. |
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155 | */ |
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156 | |
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157 | void RealDeleteACL(char **info, Bool one_item) |
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158 | { |
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159 | int stat; |
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160 | |
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161 | if ((stat = do_mr_query("delete_acl", 2, &info[ACL_HOST], NULL, NULL))) |
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162 | com_err(program_name, stat, " ACL not deleted."); |
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163 | else |
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164 | Put_message("ACL deleted."); |
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165 | } |
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166 | |
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167 | /* Function Name: DeleteACL |
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168 | * Description: Delete an ACL given its name. |
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169 | * Arguments: argc, argv - host/target of the ACL |
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170 | * Returns: none. |
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171 | */ |
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172 | |
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173 | int DeleteACL(int argc, char **argv) |
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174 | { |
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175 | struct mqelem *elem = GetACLInfo(argv[1], argv[2]); |
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176 | QueryLoop(elem, PrintACLInfo, RealDeleteACL, "Delete ACL"); |
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177 | |
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178 | FreeQueue(elem); |
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179 | return DM_NORMAL; |
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180 | } |
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181 | |
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182 | /* Function Name: AddACL |
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183 | * Description: Add an ACL |
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184 | * Arguments: arc, argv - host/target of the ACL |
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185 | * Returns: DM_NORMAL. |
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186 | */ |
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187 | |
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188 | int AddACL(int argc, char **argv) |
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189 | { |
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190 | char *info[MAX_ARGS_SIZE], **args; |
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191 | int stat; |
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192 | |
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193 | argv[1] = canonicalize_hostname(strdup(argv[1])); |
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194 | if (!(stat = do_mr_query("get_acl", 2, argv + 1, NULL, NULL))) |
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195 | { |
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196 | Put_message ("An ACL for that host and target already exists."); |
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197 | free(argv[1]); |
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198 | return DM_NORMAL; |
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199 | } |
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200 | else if (stat != MR_NO_MATCH) |
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201 | { |
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202 | com_err(program_name, stat, " in AddACL"); |
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203 | free(argv[1]); |
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204 | return DM_NORMAL; |
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205 | } |
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206 | |
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207 | args = AskACLInfo(SetDefaults(info, argv[1], argv[2])); |
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208 | free(argv[1]); |
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209 | if (!args) |
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210 | { |
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211 | Put_message("Aborted."); |
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212 | return DM_NORMAL; |
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213 | } |
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214 | |
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215 | if ((stat = do_mr_query("add_acl", CountArgs(args), args, NULL, NULL))) |
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216 | com_err(program_name, stat, " in AddACL"); |
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217 | |
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218 | FreeInfo(info); |
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219 | return DM_NORMAL; |
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220 | } |
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