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Differential D27225 Diff 80108 head/sys/geom/uzip/g_uzip.c

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head/sys/geom/uzip/g_uzip.c

Show First 20 Lines • Show All 130 Lines • ▼ Show 20 Lines if (((lvl) <= g_uzip_debug) || \
printf a; \ printf a; \
} }
#define UZIP_CLASS_NAME "UZIP" #define UZIP_CLASS_NAME "UZIP"
/* /*
* Maximum allowed valid block size (to prevent foot-shooting) * Maximum allowed valid block size (to prevent foot-shooting)
*/ */
#define MAX_BLKSZ (MAXPHYS) #define MAX_BLKSZ (maxphys)
static char CLOOP_MAGIC_START[] = "#!/bin/sh\n"; static char CLOOP_MAGIC_START[] = "#!/bin/sh\n";
static void g_uzip_read_done(struct bio *bp); static void g_uzip_read_done(struct bio *bp);
static void g_uzip_do(struct g_uzip_softc *, struct bio *bp); static void g_uzip_do(struct g_uzip_softc *, struct bio *bp);
static void static void
g_uzip_softc_free(struct g_geom *gp) g_uzip_softc_free(struct g_geom *gp)
▲ Show 20 Lines • Show All 139 Lines • ▼ Show 20 Lines if (bp2 == NULL) {
g_io_deliver(bp, ENOMEM); g_io_deliver(bp, ENOMEM);
return (1); return (1);
} }
bp2->bio_done = g_uzip_read_done; bp2->bio_done = g_uzip_read_done;
bp2->bio_offset = TOFF_2_BOFF(sc, pp, start_blk); bp2->bio_offset = TOFF_2_BOFF(sc, pp, start_blk);
while (1) { while (1) {
bp2->bio_length = TLEN_2_BLEN(sc, pp, bp2, end_blk - 1); bp2->bio_length = TLEN_2_BLEN(sc, pp, bp2, end_blk - 1);
if (bp2->bio_length <= MAXPHYS) { if (bp2->bio_length <= maxphys) {
break; break;
} }
if (end_blk == (start_blk + 1)) { if (end_blk == (start_blk + 1)) {
break; break;
} }
end_blk--; end_blk--;
} }
▲ Show 20 Lines • Show All 482 Lines • ▼ Show 20 Lines#endif
sc->blksz = ntohl(header->blksz); sc->blksz = ntohl(header->blksz);
sc->nblocks = ntohl(header->nblocks); sc->nblocks = ntohl(header->nblocks);
if (sc->blksz % 512 != 0) { if (sc->blksz % 512 != 0) {
printf("%s: block size (%u) should be multiple of 512.\n", printf("%s: block size (%u) should be multiple of 512.\n",
gp->name, sc->blksz); gp->name, sc->blksz);
goto e4; goto e4;
} }
if (sc->blksz > MAX_BLKSZ) { if (sc->blksz > MAX_BLKSZ) {
printf("%s: block size (%u) should not be larger than %d.\n", printf("%s: block size (%u) should not be larger than %lu.\n",
gp->name, sc->blksz, MAX_BLKSZ); gp->name, sc->blksz, MAX_BLKSZ);
} }
total_offsets = sc->nblocks + 1; total_offsets = sc->nblocks + 1;
if (sizeof(struct cloop_header) + if (sizeof(struct cloop_header) +
total_offsets * sizeof(uint64_t) > pp->mediasize) { total_offsets * sizeof(uint64_t) > pp->mediasize) {
printf("%s: media too small for %u blocks\n", printf("%s: media too small for %u blocks\n",
gp->name, sc->nblocks); gp->name, sc->nblocks);
goto e4; goto e4;
▲ Show 20 Lines • Show All 190 Lines • Show Last 20 Lines