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1772
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1 /* osk.c Various function OSK requires.
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2 Copyright (C) 1994 Boisy G. Pitre
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3
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4 This file is part of the OS-9 UUCP package, UUCPbb.
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5
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6 This program is free software; you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation; either version 2 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program; if not, write to the Free Software
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18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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19
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20 The author of UUCPbb, Bob Billson, can be contacted at:
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21 bob@kc2wz.bubble.org or uunet!kc2wz!bob or by snail mail:
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22 21 Bates Way, Westfield, NJ 07090
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23 */
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24
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25 #ifdef _OSK
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26 /********************************************************************\
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27 * Functions which are in the CoCo C libraries but not OSK's or are *
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28 * unique to OSK. Written by Boisy Pitre. *
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29 \********************************************************************/
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30
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31 #include "uucp.h"
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32 #include "password.h"
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33
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34 char *strend();
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35
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36 #ifndef _UCC
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37 /* MWC 3.2 doesn't have strtok() or strpbrk(), so we provide it */
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38 char *strtok();
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39 char *strpbrk();
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40
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41 unsigned char chartable[16];
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42 unsigned char cval;
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43
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44 static char *p_last1 = "";
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45
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46 char *strtok(s1,s2)
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47 char *s1;
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48 char *s2;
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49 {
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50 register unsigned char *p;
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51 register unsigned char c;
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52 register int i;
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53
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54 if (s1 == NULL)
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55 s1 = p_last1;
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56
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57 if (++cval == 0) {
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58 memset(chartable, sizeof(chartable), 0);
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59 cval++;
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60 }
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61 c = cval;
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62 for (p = (unsigned char *)s2; *p;)
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63 chartable[*p++] = c;
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64
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65 for (p = (unsigned char *)s1; *p; p++)
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66 if (chartable[*p] != c)
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67 break;
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68 if (*p == '\0')
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69 return((char *)NULL);
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70 s1 = (char *)p;
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71
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72 for (; *p; p++)
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73 if (chartable[*p] == c)
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74 break;
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75
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76 p_last1 = (char *)p;
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77
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78 if (*p != '\0') {
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79 *p_last1++ = '\0';
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80 }
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81 return(s1);
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82 }
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83
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84
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85 char *strpbrk(line, delims)
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86 char *line, *delims;
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87 {
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88 char *p = line, *q;
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89
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90 while (*p != '\0') {
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91 for (q = delims; q != '\0'; q++) {
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92 if (*p == *q) return(p);
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93 }
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94 }
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95 return(NULL);
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96 }
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97 #endif /* !_UCC */
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98
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99
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100
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101 char *strend (s)
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102 char *s;
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103 {
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104 while (*s)
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105 ++s;
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106
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107 return (s);
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108 }
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109
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110
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111
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112 int min (v1, v2)
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113 int v1, v2;
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114 {
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115 return ((v1 < v2) ? v1 : v2);
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116 }
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117
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118
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119
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120 int max (v1, v2)
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121 int v1, v2;
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122 {
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123 return ((v1 > v2) ? v1 : v2);
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124 }
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125
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126
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127
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128 asetuid (uid)
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129 int uid;
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130 {
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131 setuid (uid);
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132 }
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133
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134
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135
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136 /* strnucmp - string compare w/ case masking on a set number of characters.
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137 compares two strings regardless of their case up to 'n' characters
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138 and returns:
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139 -1 str1 < str2
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140 0 str1 = str2
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141 1 str1 > str2
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142
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143 NOTE: strnucmp() will replace an occurence of \n (carriage return) with a
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144 NULL! This allows you to pass in strings that are carriage
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145 return-terminated without worry, but be cautious if that's NOT what you
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146 want to do.
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147 */
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148
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149 int strnucmp (str1, str2, length)
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150 register char *str1, *str2;
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151 register int length;
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152 {
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153 int pl1, pl2;
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154 register char *p;
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155
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156 if ((p = strchr (str1,'\n')) != NULL) *p ='\0';
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157 if ((p = strchr (str2,'\n')) != NULL) *p ='\0';
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158 pl1 = pl2 = length;
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159
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160 while ((pl1 > 1) && (toupper (*str1) == toupper (*str2))) {
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161 --pl1;
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162 ++str1;
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163 ++str2;
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164 }
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165
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166 if (*str1 == *str2) return(0);
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167 if (*str1 > *str2) return(1);
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168 return(-1);
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169 }
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170
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171
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172
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173 int strucmp (str1, str2)
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174 register char *str1, *str2;
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175 {
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176 register char *p;
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177
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178 if ((p = strchr (str1,'\n')) != NULL) *p ='\0';
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179 if ((p = strchr (str2,'\n')) != NULL) *p ='\0';
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180
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181 while (toupper (*str1) == toupper (*str2) && *str1 && *str2) {
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182 ++str1;
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183 ++str2;
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184 }
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185
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186 if (*str1 == *str2) return(0);
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187 if (*str1 > *str2) return(1);
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188 return(-1);
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189 }
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190
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191
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192
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193 #ifdef _OSK
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194 /* Function to return an integer value of a GID/UID string (i.e. "30.122")
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195 For OSK only
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196 */
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197 int uIDtoInt (uidstr)
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198 char *uidstr;
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199 {
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200 char *p, tmpstr[32];
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201
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202 strcpy(tmpstr, uidstr);
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203
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204 if ((p = strchr(tmpstr, '.')) != 0) {
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205 *p = '\0';
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206 return (atoi(tmpstr) * 65536 + atoi (++p));
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207 }
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208 return(-1);
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209 }
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210
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211
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212
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213 /* Function to return an a GID/UID string (i.e. "30.122") from an int
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214 For OSK only
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215 It is the caller's responsibility to free the allocated memory.
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216 */
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217 char *InttouID (uid)
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218 int uid;
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219 {
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220 char *p, tmpstr[32];
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221 int group, user;
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222
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223 p = (char *)malloc(sizeof(char) * 12);
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224 group = uid / 65536;
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225 user = uid % 65536;
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226 sprintf(p, "%d.%d", group, user);
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227 return(p);
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228 }
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229 #endif
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230
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231
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232
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233 /*#define MAIN /* Only use when testing routines */
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234
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235 #ifdef MAIN
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236 #define DEBUG
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237 #endif
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238
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239 /*
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240 * Popen, and Pclose, for OS-9.
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241 *
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242 * Simmule Turner - simmy@nu.cs.fsu.edu - 70651,67
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243 *
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244 * V 1.3 10/22/88 - Forgot to close pipe on an error.
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245 * V 1.2 06/28/88 - Removed shell as parent process.
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246 * - It forks command directly now.
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247 * V 1.1 06/28/88 - Uses a shell to run child process SrT
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248 * - Fixed bug found by PWL, SrT
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249 * - Improved error checking, cleaned up code.
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250 * V 1.0 06/25/88 - Initial coding SrT
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251 *
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252 */
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253
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254 #define ERR (-1)
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255 #define PIPEMAX _NFILE
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256
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257 #define RESTORE close(path);dup(save);close(save);
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258
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259 static int _pid[PIPEMAX];
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260
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261 FILE *popen(command, type)
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262 char *command, *type;
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263 {
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264 char *argv[32], cmd[256];
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265 FILE *_pfp;
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266 int l, path, pipe, pcnt, save;
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267
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268 path = (*type == 'w') ? STDIN : STDOUT;
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269
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270 if ((pipe = open ("/pipe",READ+WRITE)) == ERR)
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271 return (NULL);
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272 pcnt = pipe;
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273
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274 if ((save = dup (path)) == ERR) {
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275 close (pipe);
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276 return (NULL);
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277 }
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278 close (path);
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279
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280 if (dup (pipe) == ERR) {
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281 dup (save);
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282 close (save);
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283 close (pipe); /* BUG fix 10/22/88 SrT */
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284 return (NULL);
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285 }
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286
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287 strcpy(cmd, command);
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288 parse_cmd (argv, cmd);
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289 # ifdef _UCC
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290 if ((_pid[pcnt] = os9exec (os9fork, argv[0], argv, _environ, 0, 0, 32)) == ERR) {
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291 # else /* C 3.2 */
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292 if ((_pid[pcnt] = os9exec (os9fork, argv[0], argv, environ, 0, 0, 32)) == ERR) {
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293 # endif
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294 { RESTORE }
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295 close (pipe);
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296 _pid[pcnt] = 0;
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297 return (NULL);
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298 }
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299
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300 { RESTORE }
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301
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302 if ((_pfp = fdopen (pipe,type)) == NULL) {
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303 close (pipe);
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304 while (((l=wait(0)) != _pid[pcnt]) && l != ERR)
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305 ;
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306 _pid[pcnt] = 0;
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307 return (NULL);
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308 }
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309
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310 return (_pfp);
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311 }
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312
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313
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314
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315 int pclose (stream)
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316 FILE *stream;
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317 {
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318 register int i;
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319 int f,status;
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320
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321 f = fileno (stream);
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322 fclose (stream);
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323 #ifdef DEBUG
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324 fprintf (stderr,"Pclose: Fileno=%d PID=%d\n",f,_pid[f]);
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325 #endif
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326 while (((i=wait (&status)) != _pid[f]) && i != ERR)
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327 ;
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328 _pid[f]= 0;
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329 return ((i == ERR) ? ERR : status);
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330 }
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331
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332
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333
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334 #ifdef MAIN
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335
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336 #define LINSIZ 200
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337 main() {
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338 char line[LINSIZ];
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339 FILE *popen(), *fp;
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340 int status;
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341
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342 /* Test the read side of popen
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343 * SrT 06/25/88 */
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344
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345 if (( fp = popen ("procs e","r")) != NULL) {
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346 while (fgets (line,LINSIZ,fp) != NULL)
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347 printf ("%s",line);
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348 if ((status = pclose (fp)) == ERR) {
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349 fprintf (stderr,"***ERR: closing read pipe ERR #%03d\n",
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350 status&0xff);
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351 exit(1);
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352 }
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353 printf ("Read status =%d\n",status&0xff);
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354 }
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355 else {
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356 fprintf(stderr,"***ERR: opening read pipe\n");
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357 exit(1);
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358 }
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359
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360 /* Test the write side of popen
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361 * SrT 06/25/88 */
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362 if (( fp = popen ("woof one two three four","w")) != NULL) {
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363 while (fgets (line,LINSIZ,stdin) != NULL)
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364 fprintf (fp,"%s",line);
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365 if ((status = pclose(fp)) == ERR) {
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366 fprintf (stderr,"***ERR: closing write pipe ERR #%03d\n",
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367 status&0xff);
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368 exit(1);
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369 }
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370 printf ("Write status =%d\n",status&0xff);
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371 }
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372 else {
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373 fprintf(stderr,"***ERR: opening write pipe\n");
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374 exit(1);
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375 }
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376 }
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377 #endif
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378 #endif
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