Mercurial > hg > early-roguelike
view srogue/rgdata.c @ 176:db1c9a21a7c3
srogue: prevent overflowing the score file name.
If SCOREFILE is not defined, roguehome() is called to find a directory
for the score file. It copies up to PATH_MAX-20 bytes from an
environment variable to a static buffer. Later these are strcpy()'d to
scorefile, which is of size LINLEN. Unfortunately LINLEN is 80 and
PATH_MAX is at least 256. On Linux, it happens to be 4096.
I haven't yet managed to crash or exploit it, but there are surely no
beneficial consequences, so roguehome() has been modified to check the
length, and the string it returns is also checked in main().
author | John "Elwin" Edwards |
---|---|
date | Sun, 02 Aug 2015 12:14:47 -0400 |
parents | 2128c7dc8a40 |
children |
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/* * Super-Rogue * Copyright (C) 1984 Robert D. Kindelberger * All rights reserved. * * See the file LICENSE.TXT for full copyright and licensing information. */ #include "global.c" main(argc,argv) char **argv; int argc; { char *ptr; int i, j, k; struct magic_item *mi; struct init_weps *wp; struct init_armor *ar; struct monster *mo; FILE *fo; /* * write to desired output file */ if (argc > 1) { fo = fopen(argv[1], "w"); if (fo == NULL) { printf("%s: %s not writable\n",argv[0],argv[1]); exit(1); } } else fo = stdout; /* * print total chances for armor, weapons, food, scrolls, etc */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t ITEM GENERAL INFO\n\n\n"); fprintf(fo,"NAME\t\tCHANCE\t\tWEIGHT\n\n"); for (mi = &things[0]; mi < &things[NUMTHINGS]; mi++) { fprintf(fo,"%s\t\t",mi->mi_name); i = mi->mi_prob / 10; j = mi->mi_prob % 10; fprintf(fo,"%2d.%1d %%\t\t",i,j); i = mi->mi_wght / 10; j = mi->mi_wght % 10; if (i == 0 && j == 0) fprintf(fo,"%3s\n","*"); else fprintf(fo,"%3d.%1d lbs\n",i,j); } fprintf(fo,"\n\n\n\n\n\n\nNOTES - * means that weight depends on which one of that item type\n"); fprintf(fo," - All items weigh 20%% more when cursed\n"); /* * print stuff about potions */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t\t POTION INFO\n\n\n"); fprintf(fo,"NAME\t\t\t\tCHANCE\t\tWORTH\n\n"); for (mi = &p_magic[0]; mi < &p_magic[MAXPOTIONS]; mi++) { fprintf(fo,"%s\t",mi->mi_name); k = strlen(mi->mi_name); if (k < 8) ptr = "\t\t\t"; else if (k >= 16) ptr = "\t"; else ptr = "\t\t"; fprintf(fo,"%s", ptr); i = mi->mi_prob / 10; j = mi->mi_prob % 10; fprintf(fo,"%2d.%1d %%\t\t",i,j); fprintf(fo,"%3d\n",mi->mi_worth); } fprintf(fo,"\n\n\n\n\nNOTE - All potions weigh 0.5 lbs\n"); /* * print stuff about scrolls */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t\t SCROLL INFO\n\n\n"); fprintf(fo,"NAME\t\t\t\tCHANCE\t\tWORTH\n\n"); for (mi = &s_magic[0]; mi < &s_magic[MAXSCROLLS]; mi++) { fprintf(fo,"%s\t",mi->mi_name); k = strlen(mi->mi_name); if (k < 8) ptr = "\t\t\t"; else if (k >= 16) ptr = "\t"; else ptr = "\t\t"; fprintf(fo,"%s", ptr); i = mi->mi_prob / 10; j = mi->mi_prob % 10; fprintf(fo,"%2d.%1d %%\t\t",i,j); fprintf(fo,"%3d\n",mi->mi_worth); } fprintf(fo,"\n\n\n\n\nNOTE - All scrolls weigh 3.0 lbs\n"); /* * print stuff about rings */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t\t RING INFO\n\n\n"); fprintf(fo,"NAME\t\t\t\tCHANCE\t\tWORTH\n\n"); for (mi = &r_magic[0]; mi < &r_magic[MAXRINGS]; mi++) { fprintf(fo,"%s\t",mi->mi_name); k = strlen(mi->mi_name); if (k < 8) ptr = "\t\t\t"; else if (k >= 16) ptr = "\t"; else ptr = "\t\t"; fprintf(fo,"%s", ptr); i = mi->mi_prob / 10; j = mi->mi_prob % 10; fprintf(fo,"%2d.%1d %%\t\t",i,j); fprintf(fo,"%3d\n",mi->mi_worth); } fprintf(fo,"\n\n\n\n\nNOTE - All rings weigh 0.5 lbs\n"); /* * print stuff about sticks */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t\t STAFF/WAND INFO\n\n\n"); fprintf(fo,"NAME\t\t\t\tCHANCE\t\tWORTH\n\n"); for (mi = &ws_magic[0]; mi < &ws_magic[MAXSTICKS]; mi++) { fprintf(fo,"%s\t",mi->mi_name); k = strlen(mi->mi_name); if (k < 8) ptr = "\t\t\t"; else if (k >= 16) ptr = "\t"; else ptr = "\t\t"; fprintf(fo,"%s", ptr); i = mi->mi_prob / 10; j = mi->mi_prob % 10; fprintf(fo,"%2d.%1d %%\t\t",i,j); fprintf(fo,"%3d\n",mi->mi_worth); } fprintf(fo,"\n\n\n\n\nNOTES - All wands weigh 6.0 lbs\n"); fprintf(fo," - All staffs weigh 10.0 lbs\n"); fprintf(fo," - Wands contain from 4 to 8 charges\n"); fprintf(fo," - Staffs contain from 5 to 12 charges\n"); fprintf(fo," - Sticks of light have an additional 7 to 15 charges\n"); /* * print armor info */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t\t\t\tARMOR INFO\n\n\n"); fprintf(fo,"NAME\t\t\t\tAC\tCHANCE\t\tWORTH\t\tWEIGHT\n\n"); for (ar = &armors[0]; ar < &armors[MAXARMORS]; ar++) { fprintf(fo,"%s\t",ar->a_name); k = strlen(ar->a_name); if (k < 8) ptr = "\t\t\t"; else if (k >= 16) ptr = "\t"; else ptr = "\t\t"; fprintf(fo,"%s", ptr); fprintf(fo,"%2d\t",ar->a_class); fprintf(fo,"%2d %%\t\t",ar->a_prob); fprintf(fo,"%3d\t\t",ar->a_worth); fprintf(fo,"%2d lbs\n",ar->a_wght / 10); } fprintf(fo,"\n\n\n\n\nNOTE - All armor becomes 50%% lighter when blessed\n"); /* * print stuff about weapons */ fprintf(fo,"\n\n\n\n\n\n"); fprintf(fo,"\t\t\t\t\tWEAPON INFO\n\n\n"); fprintf(fo, "NAME\t\t\tHIT DAMAGE\tHURL DAMAGE\tWORTH\t\tWEIGHT\n\n"); for (wp = &weaps[0]; wp < &weaps[MAXWEAPONS]; wp++) { fprintf(fo,"%s\t",wp->w_name); k = strlen(wp->w_name); if (k < 8) ptr = "\t\t"; else if (k >= 16) ptr = ""; else ptr = "\t"; fprintf(fo,"%s", ptr); ptr = wp->w_dam; i = *ptr - '0'; j = 0; ptr += 2; while (*ptr != NULL) { j = j * 10 + (*ptr - '0'); ++ptr; } j *= i; fprintf(fo," %d to %d\t",i,j); ptr = wp->w_hrl; i = *ptr - '0'; j = 0; ptr += 2; while (*ptr != NULL) { j = j * 10 + (*ptr - '0'); ++ptr; } j *= i; fprintf(fo," %d to %d\t",i,j); fprintf(fo,"%4d\t\t",wp->w_worth); i = wp->w_wght / 10; j = wp->w_wght % 10; fprintf(fo,"%2d.%1d lbs\n",i,j); } fprintf(fo,"\n\n\n\n\nNOTE - All weapons become 50%% lighter when blessed\n"); /* * print stuff about the monsters */ }