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0
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1 /* conflict.c - the new conflict */
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2 #ifndef lint
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3 static char ident[] = "@(#)$Id$";
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4 #endif /* lint */
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5
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6 #include "../h/mh.h"
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7 #include "../h/aliasbr.h"
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8 #include "../h/local.h"
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9 #include <stdio.h>
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10 #include "../zotnet/mts.h"
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11 #include <grp.h>
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12 #include <pwd.h>
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13 #ifdef LOCALE
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14 #include <locale.h>
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15 #endif
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16 /* */
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17 #ifdef SVR4
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18 #include <limits.h>
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19 #define NGROUPS NGROUPS_MAX
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20 #endif
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21 /* */
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22
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23 #define NDIRS 100
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24 #define NGRPS 100
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25
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26 /* */
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27
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28 static struct swit switches[] = {
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29 #define MAILSW 0
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30 "mail name", 0,
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31
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32 #define SERCHSW 1
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33 "search directory", 0,
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34
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35 #define HELPSW 2
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36 "help", 4,
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37
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38 NULL, 0
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39 };
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40
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41 /* */
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42
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43 static char *mail = NULL;
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44
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45 static char *dirs[NDIRS];
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46
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47 static FILE * out = NULL;
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48
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49
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50 extern struct aka *akahead;
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51 extern struct home *homehead;
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52
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53
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54 #if !defined(__STDC__) && !defined(__stdc__) /* __stdc__ for convex */
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55 struct group *getgrent (), *getgrgid();
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56 #endif /* !__STDC__ */
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57
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58 /* */
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59
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60 /* ARGSUSED */
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61
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62 main (argc, argv)
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63 int argc;
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64 char *argv[];
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65 {
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66 int akp = 0,
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67 dp = 0;
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68 char *cp,
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69 **argp = argv + 1,
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70 buf[80],
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71 *akv[50];
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72
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73 #ifdef LOCALE
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74 setlocale(LC_ALL, "");
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75 #endif
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76 #ifdef JAPAN
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77 ml_init();
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78 #endif /* JAPAN */
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79 invo_name = r1bindex (argv[0], '/');
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80 m_foil (NULLCP);
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81 mts_init (invo_name);
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82
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83 /* */
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84
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85 while (cp = *argp++) {
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86 if (*cp == '-')
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87 switch (smatch (++cp, switches)) {
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88 case AMBIGSW:
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89 ambigsw (cp, switches);
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90 done (1);
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91 case UNKWNSW:
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92 adios (NULLCP, "-%s unknown", cp);
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93 case HELPSW:
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94 (void) sprintf (buf, "%s [switches] [aliasfiles ...]",
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95 invo_name);
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96 help (buf, switches);
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97 done (1);
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98
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99 case MAILSW:
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100 if (!(cp = *argp++) || *cp == '-')
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101 adios (NULLCP, "missing argument to %s", argp[-2]);
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102 if (mail)
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103 adios (NULLCP, "mail to one address only");
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104 else
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105 mail = cp;
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106 continue;
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107
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108 case SERCHSW:
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109 if (!(cp = *argp++) || *cp == '-')
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110 adios (NULLCP, "missing argument to %s", argp[-2]);
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111 if (dp >= NDIRS)
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112 adios (NULLCP, "more than %d directories", NDIRS);
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113 dirs[dp++] = cp;
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114 continue;
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115 }
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116 akv[akp++] = cp;
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117 }
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118
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119 /* */
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120
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121 if (akp == 0)
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122 akv[akp++] = AliasFile;
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123 if (!homehead)
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124 init_pw ();
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125 if (!mail)
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126 out = stdout;
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127 dirs[dp] = NULL;
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128
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129 alias_files (akp, akv);
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130 pwd_names ();
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131 grp_names ();
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132 grp_members ();
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133 grp_ids ();
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134 #ifdef UCI
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135 ldr_names ();
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136 ldr_ship ();
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137 #endif /* UCI */
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138 maildrops ();
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139
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140 done (0);
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141 }
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142
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143 /* */
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144
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145 alias_files (akp, akv)
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146 int akp;
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147 register char **akv;
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148 {
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149 register int i, err;
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150
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151 for (i = 0; i < akp; i++)
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152 if ((err = alias (akv[i])) != AK_OK) {
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153 setup ();
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154 fprintf (out, "aliasing error in %s - %s\n", akv[i], akerror (err));
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155 }
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156 else
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157 if (out && !mail)
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158 fprintf (out, "alias file %s is ok\n", akv[i]);
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159 }
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160
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161 /* */
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162
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163 pwd_names () {
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164 int hit = 0;
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165 register struct home *hm,
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166 *lm;
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167
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168 for (hm = homehead; hm; hm = hm -> h_next)
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169 for (lm = hm -> h_next; lm; lm = lm -> h_next)
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170 if (strcmp (hm -> h_name, lm -> h_name) == 0) {
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171 setup ();
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172 fprintf (out, "duplicate user %s(uid=%d)\n",
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173 lm -> h_name, lm -> h_uid);
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174 hit++;
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175 }
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176
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177 if (!hit && out && !mail)
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178 fprintf (out, "no duplicate users\n");
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179 }
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180
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181
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182 grp_names () {
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183 register int gp,
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184 hit = 0;
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185 char *grps[NGRPS];
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186 register struct group *gr;
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187
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188 grps[0] = NULL;
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189 (void) setgrent ();
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190 while (gr = getgrent ()) {
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191 for (gp = 0; grps[gp]; gp++)
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192 if (strcmp (grps[gp], gr -> gr_name) == 0) {
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193 setup ();
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194 fprintf (out, "duplicate group %s(gid=%d)\n",
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195 gr -> gr_name, gr -> gr_gid);
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196 hit++;
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197 break;
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198 }
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199 if (grps[gp] == NULL)
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200 if (gp < NGRPS) {
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201 grps[gp++] = getcpy (gr -> gr_name);
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202 grps[gp] = NULL;
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203 }
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204 else {
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205 setup ();
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206 fprintf (out, "more than %d groups (time to recompile)\n",
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207 NGRPS - 1);
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208 hit++;
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209 }
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210 }
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211 (void) endgrent ();
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212
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213 for (gp = 0; grps[gp]; gp++)
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214 free (grps[gp]);
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215
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216 if (!hit && out && !mail)
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217 fprintf (out, "no duplicate groups\n");
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218 }
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219
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220 /* */
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221
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222 grp_members () {
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223 register int hit = 0;
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224 register char **cp,
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225 **dp;
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226 register struct group *gr;
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227 register struct home *hm;
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228
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229 (void) setgrent ();
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230 while (gr = getgrent ())
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231 for (cp = gr -> gr_mem; *cp; cp++) {
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232 for (hm = homehead; hm; hm = hm -> h_next)
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233 if (!strcmp (*cp, hm -> h_name))
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234 break;
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235 if (hm == NULL) {
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236 setup ();
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237 fprintf (out, "group %s(gid=%d) has unknown member %s\n",
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238 gr -> gr_name, gr -> gr_gid, *cp);
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239 hit++;
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240 }
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241 #if defined(BSD42) || defined(SVR4)
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242 else
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243 hm -> h_ngrps++;
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244 #endif /* BSD42 || SVR4 */
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245
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246 for (dp = cp + 1; *dp; dp++)
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247 if (strcmp (*cp, *dp) == 0) {
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248 setup ();
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249 fprintf (out, "group %s(gid=%d) has duplicate member %s\n",
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250 gr -> gr_name, gr -> gr_gid, *cp);
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251 hit++;
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252 }
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253 }
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254 (void) endgrent ();
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255
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256 #if defined(BSD42) || defined(SVR4)
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257 for (hm = homehead; hm; hm = hm -> h_next)
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258 if (hm -> h_ngrps > NGROUPS) {
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259 setup ();
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260 fprintf (out, "user %s is a member of %d groups (max %d)",
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261 hm -> h_name, hm -> h_ngrps, NGROUPS);
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262 hit++;
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263 }
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264 #endif /* BSD42 || SVR4 */
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265
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266 if (!hit && out && !mail)
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267 fprintf (out, "all group members accounted for\n");
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268 }
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269
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270
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271 grp_ids () { /* -DRAND not implemented at most places */
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272 register int hit = 0;
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273 register struct home *hm;
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274
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275 for (hm = homehead; hm; hm = hm -> h_next)
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276 if (getgrgid (hm -> h_gid) == NULL) {
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277 setup ();
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278 fprintf (out, "user %s(uid=%d) has unknown group-id %d\n",
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279 hm -> h_name, hm -> h_uid, hm -> h_gid);
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280 hit++;
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281 }
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282
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283 if (!hit && out && !mail)
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284 fprintf (out, "all group-id users accounted for\n");
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285 }
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286
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287 /* */
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288
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289 maildrops ()
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290 {
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291 register int i;
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292
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293 if (mmdfldir && *mmdfldir)
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294 mdrop (mmdfldir);
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295 if (uucpldir && *uucpldir)
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296 mdrop (uucpldir);
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297 for (i = 0; dirs[i]; i++)
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298 mdrop (dirs[i]);
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299 }
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300
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301
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302 mdrop(drop)
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303 register char *drop;
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304 {
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305 register int hit = 0;
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306 #ifdef SYS5DIR
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307 register struct dirent *dp;
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308 #else /* SYS5DIR */
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309 register struct direct *dp;
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310 #endif /* SYS5DIR */
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311 register DIR *dd = opendir (drop);
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312
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313 if (!dd) {
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314 setup ();
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315 fprintf (out, "unable to open maildrop area %s\n", drop);
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316 return;
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317 }
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318
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319 while (dp = readdir (dd))
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320 if (dp -> d_name[0] != '.' && !check (dp ->d_name)) {
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321 setup ();
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322 fprintf (out,
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323 "there is a maildrop for the unknown user %s in %s\n",
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324 dp -> d_name, drop);
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325 hit++;
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326 }
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327
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328 closedir (dd);
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329 if (!hit && out && !mail)
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330 fprintf (out, "all maildrops accounted for in %s\n", drop);
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331 }
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332
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333
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334 /* */
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335
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336 int check (s)
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337 register char *s;
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338 {
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339 register struct home *hm;
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340
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341 for (hm = homehead; hm; hm = hm -> h_next)
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342 if (!strcmp (s, hm -> h_name))
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343 return 1;
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344 return 0;
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345 }
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346
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347 /* */
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348
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349 setup () {
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350 int fd,
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351 pd[2];
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352
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353 if (out)
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354 return;
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355
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356 if (mail) {
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357 if (pipe (pd) == NOTOK)
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358 adios ("pipe", "unable to");
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359
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360 switch (fork ()) {
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361 case NOTOK:
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362 adios ("fork", "unable to");
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363
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364 case OK:
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365 (void) close (pd[1]);
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366 if (pd[0] != 0) {
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367 (void) dup2 (pd[0], 0);
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368 (void) close (pd[0]);
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369 }
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370 if ((fd = open ("/dev/null", 1)) != NOTOK)
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371 if (fd != 1) {
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372 (void) dup2 (fd, 1);
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373 (void) close (fd);
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374 }
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375 execlp (mailproc, r1bindex (mailproc, '/'),
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376 mail, "-subject", invo_name, NULLCP);
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377 adios (mailproc, "unable to exec ");
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378
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379 default:
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380 (void) close (pd[0]);
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381 out = fdopen (pd[1], "w");
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382 fprintf (out, "%s: the following is suspicious\n\n",
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383 invo_name);
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384 }
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385 }
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386 }
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387
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388 /* */
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389
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390 #ifdef UCI
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391 /* UCI specific stuff for conflict */
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392
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393 /* taken from <grpldr.h> */
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394
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395 #define GLDRS "/admin/etc/GroupLeaders"
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396
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397 struct grpldr {
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398 char *gl_name;
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399 char **gl_ldr;
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400 };
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401
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402 int setglent (), endglent ();
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403 struct grpldr *getglent (), *getglnam ();
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404
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405
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406 /* taken from the getglent() routines */
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407
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408 #include <ctype.h>
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409
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410 #define MAXGLS 100
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411
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412
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413 static FILE *glp = NULL;
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414 static char line[BUFSIZ+1];
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415 static struct grpldr grpldr;
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416 static char *gl_ldr[MAXGLS + 1];
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417
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418 /* */
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419
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420 setglent() {
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421 if (glp == NULL)
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422 glp = fopen (GLDRS, "r");
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423 else
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424 rewind (glp);
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425
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426 return (glp != NULL);
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427 }
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428
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429
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430 endglent() {
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431 if (glp != NULL) {
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432 (void) fclose (glp);
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433 glp = NULL;
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434 }
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435
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436 return 1;
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437 }
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438
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439 /* */
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440
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441 struct grpldr *getglent () {
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442 register char *cp,
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443 **q;
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444
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445 if (glp == NULL && !setglent ())
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446 return NULL;
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447 if ((cp = fgets (line, BUFSIZ, glp)) == NULL)
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448 return NULL;
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449
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450 grpldr.gl_name = cp;
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451 grpldr.gl_ldr = q = gl_ldr;
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452
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453 while (*cp) {
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454 while (*cp && !isspace (*cp))
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455 cp++;
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456 while (*cp && isspace (*cp))
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457 *cp++ = '\0';
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458 if (*cp == '\0')
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459 break;
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460 if (q < gl_ldr + MAXGLS)
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461 *q++ = cp;
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462 else
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463 break;
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464 }
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465 *q = NULL;
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466
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467 return (&grpldr);
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468 }
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469
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470 /* */
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471
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472 struct grpldr *getglnam (name)
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473 char *name;
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474 {
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475 register struct grpldr *gl = NULL;
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476
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477 (void) setglent ();
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478 while (gl = getglent ())
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479 if (strcmp (name, gl -> gl_name) == 0)
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480 break;
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481 (void) endglent ();
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482
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483 return gl;
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484 }
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485
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486 /* */
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|
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487
|
|
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488 ldr_names () {
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|
489 register int gp,
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|
|
490 hit = 0;
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|
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491 char *gldrs[NGRPS];
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492 register struct grpldr *gl;
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|
|
493
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|
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494 gldrs[0] = NULL;
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495 (void) setglent ();
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496 while (gl = getglent ()) {
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|
|
497 if (getgrnam (gl -> gl_name) == NULL) {
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|
|
498 setup ();
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|
|
499 fprintf (out, "unknown group %s in group leaders file\n",
|
|
|
500 gl -> gl_name);
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|
|
501 hit++;
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|
|
502 }
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|
|
503 for (gp = 0; gldrs[gp]; gp++)
|
|
|
504 if (strcmp (gldrs[gp], gl -> gl_name) == 0) {
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|
|
505 setup ();
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|
|
506 fprintf (out, "duplicate group %s in group leaders file\n",
|
|
|
507 gl -> gl_name);
|
|
|
508 hit++;
|
|
|
509 break;
|
|
|
510 }
|
|
|
511 if (gldrs[gp] == NULL)
|
|
|
512 if (gp < NGRPS) {
|
|
|
513 gldrs[gp++] = getcpy (gl -> gl_name);
|
|
|
514 gldrs[gp] = NULL;
|
|
|
515 }
|
|
|
516 else {
|
|
|
517 setup ();
|
|
|
518 fprintf (out, "more than %d groups in group leaders file%s\n",
|
|
|
519 " (time to recompile)", NGRPS - 1);
|
|
|
520 hit++;
|
|
|
521 }
|
|
|
522 }
|
|
|
523 (void) endglent ();
|
|
|
524
|
|
|
525 for (gp = 0; gldrs[gp]; gp++)
|
|
|
526 free (gldrs[gp]);
|
|
|
527
|
|
|
528 if (!hit && out && !mail)
|
|
|
529 fprintf (out, "all groups in group leaders file accounted for\n");
|
|
|
530 }
|
|
|
531
|
|
|
532
|
|
|
533 ldr_ship () {
|
|
|
534 register int hit = 0;
|
|
|
535 register char **cp,
|
|
|
536 **dp;
|
|
|
537 register struct grpldr *gl;
|
|
|
538
|
|
|
539 (void) setglent ();
|
|
|
540 while (gl = getglent ())
|
|
|
541 for (cp = gl -> gl_ldr; *cp; cp++) {
|
|
|
542 if (!check (*cp)) {
|
|
|
543 setup ();
|
|
|
544 fprintf (out, "group %s has unknown leader %s\n",
|
|
|
545 gl -> gl_name, *cp);
|
|
|
546 hit++;
|
|
|
547 }
|
|
|
548
|
|
|
549 for (dp = cp + 1; *dp; dp++)
|
|
|
550 if (strcmp (*cp, *dp) == 0) {
|
|
|
551 setup ();
|
|
|
552 fprintf (out, "group %s had duplicate leader %s\n",
|
|
|
553 gl -> gl_name, *cp);
|
|
|
554 hit++;
|
|
|
555 }
|
|
|
556 }
|
|
|
557 (void) endglent ();
|
|
|
558
|
|
|
559 if (!hit && out && !mail)
|
|
|
560 fprintf (out, "all group leaders accounted for\n");
|
|
|
561 }
|
|
|
562 #endif /* UCI */
|
