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86 lines
2.7 KiB
86 lines
2.7 KiB
6 years ago
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diff --git a/magic/Magdir/filesystems b/magic/Magdir/filesystems
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index a2c2966..ecfa6c2 100644
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--- a/magic/Magdir/filesystems
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+++ b/magic/Magdir/filesystems
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@@ -1251,7 +1251,7 @@
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>>38917 byte >0x33 (unknown version, ID 0x%X)
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>>38917 byte <0x31 (unknown version, ID 0x%X)
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# "application id" which appears to be used as a volume label
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->32808 string >\0 '%s'
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+>32808 string/T >\0 '%s'
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>34816 string \000CD001\001EL\ TORITO\ SPECIFICATION (bootable)
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37633 string CD001 ISO 9660 CD-ROM filesystem data (raw 2352 byte sectors)
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!:mime application/x-iso9660-image
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diff --git a/src/apprentice.c b/src/apprentice.c
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index 0490642..6dd8381 100644
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--- a/src/apprentice.c
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+++ b/src/apprentice.c
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@@ -1452,6 +1452,9 @@ parse(struct magic_set *ms, struct magic_entry **mentryp, uint32_t *nmentryp,
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goto bad;
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m->str_flags |= PSTRING_LENGTH_INCLUDES_ITSELF;
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break;
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+ case CHAR_TRIM:
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+ m->str_flags |= STRING_TRIM;
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+ break;
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default:
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bad:
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if (ms->flags & MAGIC_CHECK)
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diff --git a/src/file.h b/src/file.h
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index e02009f..1b5f53f 100644
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--- a/src/file.h
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+++ b/src/file.h
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@@ -307,6 +307,7 @@ struct magic {
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#define PSTRING_LEN \
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(PSTRING_1_BE|PSTRING_2_LE|PSTRING_2_BE|PSTRING_4_LE|PSTRING_4_BE)
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#define PSTRING_LENGTH_INCLUDES_ITSELF BIT(12)
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+#define STRING_TRIM BIT(13)
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#define CHAR_COMPACT_WHITESPACE 'W'
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#define CHAR_COMPACT_OPTIONAL_WHITESPACE 'w'
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#define CHAR_IGNORE_LOWERCASE 'c'
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@@ -321,6 +322,7 @@ struct magic {
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#define CHAR_PSTRING_4_BE 'L'
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#define CHAR_PSTRING_4_LE 'l'
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#define CHAR_PSTRING_LENGTH_INCLUDES_ITSELF 'J'
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+#define CHAR_TRIM 'T'
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#define STRING_IGNORE_CASE (STRING_IGNORE_LOWERCASE|STRING_IGNORE_UPPERCASE)
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#define STRING_DEFAULT_RANGE 100
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diff --git a/src/softmagic.c b/src/softmagic.c
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index 8d08cad..f084edd 100644
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--- a/src/softmagic.c
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+++ b/src/softmagic.c
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@@ -451,11 +451,30 @@ mprint(struct magic_set *ms, struct magic *m)
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t = ms->offset + m->vallen;
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}
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else {
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+ char *str = p->s;
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+
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+ /* compute t before we mangle the string? */
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+ t = ms->offset + strlen(str);
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+
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if (*m->value.s == '\0')
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- p->s[strcspn(p->s, "\n")] = '\0';
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- if (file_printf(ms, m->desc, p->s) == -1)
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+ str[strcspn(str, "\n")] = '\0';
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+
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+ if (m->str_flags & STRING_TRIM) {
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+ char *last;
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+ while (isspace((unsigned char)*str))
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+ str++;
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+ last = str;
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+ while (*last)
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+ last++;
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+ --last;
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+ while (isspace((unsigned char)*last))
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+ last--;
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+ *++last = '\0';
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+ }
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+
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+ if (file_printf(ms, m->desc, str) == -1)
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return -1;
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- t = ms->offset + strlen(p->s);
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+
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if (m->type == FILE_PSTRING)
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t += file_pstring_length_size(m);
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}
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