6f374faca5
This patch provides basic protection against damage resulting from differently compiled servers blindly copying tables to one another. In every getsysinfo() call, the caller is provided with the expected size of the requested data structure. The callee fails the call if the expected size does not match the data structure's actual size.
56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
#include "inc.h"
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#include "../ds/store.h"
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#define LINES 22
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PRIVATE struct data_store ds_store[NR_DS_KEYS];
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PUBLIC void data_store_dmp()
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{
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struct data_store *p;
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static int prev_i = 0;
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int i, n = 0;
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if (getsysinfo(DS_PROC_NR, SI_DATA_STORE, ds_store, sizeof(ds_store)) != OK) {
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printf("Error obtaining table from DS. Perhaps recompile IS?\n");
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return;
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}
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printf("Data store contents:\n");
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printf("-slot- -----------key----------- -----owner----- ---type--- ----value---\n");
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for(i = prev_i; i < NR_DS_KEYS && n < LINES; i++) {
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p = &ds_store[i];
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if(!(p->flags & DSF_IN_USE))
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continue;
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printf("%6d %-25s %-15s ", i, p->key, p->owner);
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switch(p->flags & DSF_MASK_TYPE) {
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case DSF_TYPE_U32:
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printf("%-10s %12u\n", "U32", p->u.u32);
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break;
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case DSF_TYPE_STR:
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printf("%-10s %12s\n", "STR", (char*) p->u.mem.data);
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break;
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case DSF_TYPE_MEM:
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printf("%-10s %12u\n", "MEM", p->u.mem.length);
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break;
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case DSF_TYPE_MAP:
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printf("%-10s %9u/%3u\n", "MAP", p->u.map.length,
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p->u.map.sindex);
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break;
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case DSF_TYPE_LABEL:
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printf("%-10s %12u\n", "LABEL", p->u.u32);
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break;
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default:
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return;
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}
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n++;
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}
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if (i >= NR_DS_KEYS) i = 0;
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else printf("--more--\r");
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prev_i = i;
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}
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