C++ (Cpp) r_debug_native_sysctl_mapの例

コード例 #1

ファイル: debug_native.c プロジェクト: JohnDoe1234123/radare2

static RList *r_debug_native_map_get (RDebug *dbg) {
	RList *list = NULL;
#if __KFBSD__
	int ign;
	char unkstr[128];
#endif
#if __APPLE__
	list = xnu_dbg_maps (dbg, 0);
#elif __WINDOWS__ && !__CYGWIN__
	list = w32_dbg_maps (dbg); // TODO: moar?
#else
#if __sun
	char path[1024];
	/* TODO: On solaris parse /proc/%d/map */
	snprintf (path, sizeof(path) - 1, "pmap %d > /dev/stderr", ps.tid);
	system (path);
#else
	RDebugMap *map;
	int i, perm, unk = 0;
	char *pos_c;
	char path[1024], line[1024];
	char region[100], region2[100], perms[5];
	FILE *fd;
	if (dbg->pid == -1) {
		//eprintf ("r_debug_native_map_get: No selected pid (-1)\n");
		return NULL;
	}
#if __KFBSD__
	list = r_debug_native_sysctl_map (dbg);
	if (list != NULL) return list;
	snprintf (path, sizeof (path), "/proc/%d/map", dbg->pid);
#else
	snprintf (path, sizeof (path), "/proc/%d/maps", dbg->pid);
#endif
	fd = fopen (path, "r");
	if (!fd) {
		perror (sdb_fmt (0, "Cannot open '%s'", path));
		return NULL;
	}

	list = r_list_new();
	if (!list) {
		fclose (fd);
		return NULL;
	}
	list->free = (RListFree)_map_free;
	while (!feof (fd)) {
		line[0] = '\0';
		fgets (line, sizeof(line) - 1, fd);
		if (line[0] == '\0') break;
		path[0] = '\0';
		line[strlen (line) - 1] = '\0';
#if __KFBSD__
		// 0x8070000 0x8072000 2 0 0xc1fde948 rw- 1 0 0x2180 COW NC vnode /usr/bin/gcc
		sscanf (line, "%s %s %d %d 0x%s %3s %d %d",
			&region[2], &region2[2], &ign, &ign,
			unkstr, perms, &ign, &ign);
		pos_c = strchr (line, '/');
		if (pos_c) strncpy (path, pos_c, sizeof(path) - 1);
		else path[0] = '\0';
#else
		char null[64]; // XXX: this can overflow
		sscanf (line, "%s %s %s %s %s %s",
			&region[2], perms, null, null, null, path);

		pos_c = strchr (&region[2], '-');
		if (!pos_c) continue;

		pos_c[-1] = (char)'0'; // xxx. this is wrong
		pos_c[ 0] = (char)'x';
		strncpy (region2, pos_c - 1, sizeof(region2) - 1);
#endif // __KFBSD__
		region[0] = region2[0] = '0';
		region[1] = region2[1] = 'x';

		if (!*path) snprintf (path, sizeof(path), "unk%d", unk++);
		perm = 0;
		for (i = 0; perms[i] && i < 4; i++)
			switch (perms[i]) {
			case 'r': perm |= R_IO_READ; break;
			case 'w': perm |= R_IO_WRITE; break;
			case 'x': perm |= R_IO_EXEC; break;
			}

		map = r_debug_map_new (path,
					r_num_get (NULL, region),
					r_num_get (NULL, region2),
					perm, 0);
		if (!map) break;
		map->file = strdup (path);
		r_list_append (list, map);
	}
	fclose (fd);
#endif // __sun
#endif // __WINDOWS
	return list;
}

コード例 #2

ファイル: debug_native.c プロジェクト: Lukas-Dresel/radare2

static RList *r_debug_native_map_get (RDebug *dbg) {
	RList *list = NULL;
#if __KFBSD__
	int ign;
	char unkstr[128];
#endif
#if __APPLE__
	list = xnu_dbg_maps (dbg, 0);
#elif __WINDOWS__ && !__CYGWIN__
	list = w32_dbg_maps (dbg); // TODO: moar?
#else
#if __sun
	char path[1024];
	/* TODO: On solaris parse /proc/%d/map */
	snprintf (path, sizeof(path) - 1, "pmap %d > /dev/stderr", ps.tid);
	system (path);
#else
	RDebugMap *map;
	int i, perm, unk = 0;
	char *pos_c;
	char path[1024], line[1024], name[1024];
	char region[100], region2[100], perms[5];
	FILE *fd;
	if (dbg->pid == -1) {
		//eprintf ("r_debug_native_map_get: No selected pid (-1)\n");
		return NULL;
	}
	/* prepend 0x prefix */
	region[0] = region2[0] = '0';
	region[1] = region2[1] = 'x';

#if __OpenBSD__
	/* OpenBSD has no procfs, so no idea trying. */
	return r_debug_native_sysctl_map (dbg);
#endif

#if __KFBSD__
	list = r_debug_native_sysctl_map (dbg);
	if (list) {
		return list;
	}
	snprintf (path, sizeof (path), "/proc/%d/map", dbg->pid);
#else
	snprintf (path, sizeof (path), "/proc/%d/maps", dbg->pid);
#endif
	fd = fopen (path, "r");
	if (!fd) {
		perror (sdb_fmt (0, "Cannot open '%s'", path));
		return NULL;
	}

	list = r_list_new ();
	if (!list) {
		fclose (fd);
		return NULL;
	}
	list->free = (RListFree)_map_free;
	while (!feof (fd)) {
		size_t line_len;
		ut64 map_start, map_end;

		if (!fgets (line, sizeof (line), fd))
			break;
		/* kill the newline if we got one */
		line_len = strlen (line);
		if (line[line_len - 1] == '\n') {
			line[line_len - 1] = '\0';
			line_len--;
		}
		/* maps files should not have empty lines */
		if (line_len == 0) {
			break;
		}
#if __KFBSD__
		// 0x8070000 0x8072000 2 0 0xc1fde948 rw- 1 0 0x2180 COW NC vnode /usr/bin/gcc
		if (sscanf (line, "%s %s %d %d 0x%s %3s %d %d",
				&region[2], &region2[2], &ign, &ign,
				unkstr, perms, &ign, &ign) != 8) {
			eprintf ("%s: Unable to parse \"%s\"\n", __func__, path);
			r_list_free (list);
			return NULL;
		}

		/* snag the file name */
		pos_c = strchr (line, '/');
		if (pos_c) {
			strncpy (name, pos_c, sizeof (name) - 1);
		} else {
			name[0] = '\0';
		}
#else
		// 7fc8124c4000-7fc81278d000 r--p 00000000 fc:00 17043921 /usr/lib/locale/locale-archive
		i = sscanf (line, "%s %s %*s %*s %*s %[^\n]", &region[2], perms, name);
		if (i == 2) {
			name[0] = '\0';
		} else if (i != 3) {
			eprintf ("%s: Unable to parse \"%s\"\n", __func__, path);
			eprintf ("%s: problematic line: %s\n", __func__, line);
			r_list_free (list);
			return NULL;
		}

		/* split the region in two */
		pos_c = strchr (&region[2], '-');
		if (!pos_c) // should this be an error?
			continue;

		strncpy (&region2[2], pos_c + 1, sizeof (region2) - 2 - 1);
#endif // __KFBSD__

		if (!*name)
			snprintf (name, sizeof (name), "unk%d", unk++);
		perm = 0;
		for (i = 0; perms[i] && i < 4; i++) {
			switch (perms[i]) {
			case 'r': perm |= R_IO_READ; break;
			case 'w': perm |= R_IO_WRITE; break;
			case 'x': perm |= R_IO_EXEC; break;
			}
		}

		map_start = r_num_get (NULL, region);
		map_end = r_num_get (NULL, region2);
		if (map_start == map_end || map_end == 0) {
			eprintf ("%s: ignoring invalid map size: %s - %s\n", __func__, region, region2);
			continue;
		}

		map = r_debug_map_new (name, map_start, map_end, perm, 0);
		if (!map) {
			break;
		}
		map->file = strdup (name);
		r_list_append (list, map);
	}
	fclose (fd);
#endif // __sun
#endif // __WINDOWS
	return list;
}