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comparison srogue/main.c @ 120:d6b7c3fb37ea

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srogue: add and use more md_* portable functions. Privileges and memory usage checks are now more portable.
author John "Elwin" Edwards
date Fri, 02 May 2014 15:06:23 -0700
parents 458df24e973d
children e6c8652473fe
comparison
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119:458df24e973d 120:d6b7c3fb37ea
27 #ifdef ATT 27 #ifdef ATT
28 #include <time.h> 28 #include <time.h>
29 #endif 29 #endif
30 30
31 #ifdef BSD 31 #ifdef BSD
32 #define srand48(seed) srandom(seed)
33 #define lrand48() random()
34 #include <sys/time.h> 32 #include <sys/time.h>
35 #endif 33 #endif
36 34
37 #include "rogue.ext" 35 #include "rogue.ext"
38 36
55 #endif 53 #endif
56 54
57 if (homedir == NULL) 55 if (homedir == NULL)
58 homedir = ""; 56 homedir = "";
59 57
60 playuid = getuid(); 58 playuid = md_getuid();
61 59 playgid = md_getgid();
62 if (setuid(playuid) < 0) {
63 printf("Cannot change to effective uid: %d\n", playuid);
64 exit(1);
65 }
66 playgid = getgid();
67 60
68 /* check for print-score option */ 61 /* check for print-score option */
69 #ifdef SCOREFILE 62 #ifdef SCOREFILE
70 strncpy(scorefile, SCOREFILE, LINLEN); 63 strncpy(scorefile, SCOREFILE, LINLEN);
71 scorefile[LINLEN - 1] = '\0'; 64 scorefile[LINLEN - 1] = '\0';
119 use_savedir = FALSE; 112 use_savedir = FALSE;
120 } 113 }
121 } 114 }
122 #endif 115 #endif
123 116
117 if (!use_savedir)
118 md_droppriv();
119
124 /* get home and options from environment */ 120 /* get home and options from environment */
125 121
126 if ((env = getenv("HOME")) != NULL) 122 if ((env = getenv("HOME")) != NULL)
127 strcpy(home, env); 123 strcpy(home, env);
128 else { 124 else {
175 else 171 else
176 printf("Hello %s, One moment while I open the door to the dungeon...\n", whoami); 172 printf("Hello %s, One moment while I open the door to the dungeon...\n", whoami);
177 173
178 fflush(stdout); 174 fflush(stdout);
179 seed = dnum; 175 seed = dnum;
180 srand48(seed); /* init rnd number gen */ 176 srandom(seed); /* init rnd number gen */
181 177
182 md_onsignal_exit(); /* just in case */ 178 md_onsignal_exit(); /* just in case */
183 179
184 init_everything(); 180 init_everything();
185 181
356 reg int wh; 352 reg int wh;
357 353
358 if (range == 0) 354 if (range == 0)
359 wh = 0; 355 wh = 0;
360 else { 356 else {
361 wh = lrand48() % range; 357 wh = random() % range;
362 wh &= 0x7FFFFFFF; 358 wh &= 0x7FFFFFFF;
363 } 359 }
364 return wh; 360 return wh;
365 } 361 }
366 362