27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "lint.h"
36 #include "file64.h"
37 #include <errno.h>
38 #include <stdio.h>
39 #include <string.h>
40 #include <stdlib.h>
41 #include <sys/types.h>
42 #include <sys/stat.h>
43 #include <sys/mman.h>
44 #include <fcntl.h>
45 #include <unistd.h>
46
47 #include "runetype.h"
48 #include "runefile.h"
49
50 _RuneLocale *
51 _Read_RuneMagi(const char *fname)
52 {
53 char *fdata, *data;
54 void *lastp;
55 _FileRuneLocale *frl;
56 _RuneLocale *rl;
57 _FileRuneEntry *frr;
58 _RuneEntry *rr;
59 struct stat sb;
60 int x, saverr;
61 void *variable;
62 _FileRuneEntry *runetype_ext_ranges;
63 _FileRuneEntry *maplower_ext_ranges;
64 _FileRuneEntry *mapupper_ext_ranges;
65 int runetype_ext_len = 0;
66 int fd;
122 uint32_t *types;
123
124 if (frr[x].map == 0) {
125 int len = frr[x].max - frr[x].min + 1;
126 types = variable;
127 variable = types + len;
128 runetype_ext_len += len;
129 if (variable > lastp) {
130 goto invalid;
131 }
132 }
133 }
134
135 if ((char *)variable + frl->variable_len > (char *)lastp) {
136 goto invalid;
137 }
138
139 /*
140 * Convert from disk format to host format.
141 */
142 data = malloc(sizeof (_RuneLocale) +
143 (frl->runetype_ext_nranges + frl->maplower_ext_nranges +
144 frl->mapupper_ext_nranges) * sizeof (_RuneEntry) +
145 runetype_ext_len * sizeof (*rr->__types) +
146 frl->variable_len);
147 if (data == NULL) {
148 saverr = errno;
149 (void) munmap(fdata, sb.st_size);
150 errno = saverr;
151 return (NULL);
152 }
153
154 rl = (_RuneLocale *)(void *)data;
155 rl->__variable = rl + 1;
156
157 (void) memcpy(rl->__magic, _RUNE_MAGIC_1, sizeof (rl->__magic));
158 (void) memcpy(rl->__encoding, frl->encoding, sizeof (rl->__encoding));
159
160 rl->__variable_len = frl->variable_len;
161 rl->__runetype_ext.__nranges = frl->runetype_ext_nranges;
162 rl->__maplower_ext.__nranges = frl->maplower_ext_nranges;
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27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 */
34
35 #include "lint.h"
36 #include "file64.h"
37 #include <errno.h>
38 #include <stdio.h>
39 #include <string.h>
40 #include <stdlib.h>
41 #include <sys/types.h>
42 #include <sys/stat.h>
43 #include <sys/mman.h>
44 #include <fcntl.h>
45 #include <unistd.h>
46
47 #include "libc.h"
48 #include "runetype.h"
49 #include "runefile.h"
50
51 _RuneLocale *
52 _Read_RuneMagi(const char *fname)
53 {
54 char *fdata, *data;
55 void *lastp;
56 _FileRuneLocale *frl;
57 _RuneLocale *rl;
58 _FileRuneEntry *frr;
59 _RuneEntry *rr;
60 struct stat sb;
61 int x, saverr;
62 void *variable;
63 _FileRuneEntry *runetype_ext_ranges;
64 _FileRuneEntry *maplower_ext_ranges;
65 _FileRuneEntry *mapupper_ext_ranges;
66 int runetype_ext_len = 0;
67 int fd;
123 uint32_t *types;
124
125 if (frr[x].map == 0) {
126 int len = frr[x].max - frr[x].min + 1;
127 types = variable;
128 variable = types + len;
129 runetype_ext_len += len;
130 if (variable > lastp) {
131 goto invalid;
132 }
133 }
134 }
135
136 if ((char *)variable + frl->variable_len > (char *)lastp) {
137 goto invalid;
138 }
139
140 /*
141 * Convert from disk format to host format.
142 */
143 data = libc_malloc(sizeof (_RuneLocale) +
144 (frl->runetype_ext_nranges + frl->maplower_ext_nranges +
145 frl->mapupper_ext_nranges) * sizeof (_RuneEntry) +
146 runetype_ext_len * sizeof (*rr->__types) +
147 frl->variable_len);
148 if (data == NULL) {
149 saverr = errno;
150 (void) munmap(fdata, sb.st_size);
151 errno = saverr;
152 return (NULL);
153 }
154
155 rl = (_RuneLocale *)(void *)data;
156 rl->__variable = rl + 1;
157
158 (void) memcpy(rl->__magic, _RUNE_MAGIC_1, sizeof (rl->__magic));
159 (void) memcpy(rl->__encoding, frl->encoding, sizeof (rl->__encoding));
160
161 rl->__variable_len = frl->variable_len;
162 rl->__runetype_ext.__nranges = frl->runetype_ext_nranges;
163 rl->__maplower_ext.__nranges = frl->maplower_ext_nranges;
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