SysUtil.smali

.class public final Lcom/facebook/soloader/SysUtil;
.super Ljava/lang/Object;
.source "SysUtil.java"


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;,
        Lcom/facebook/soloader/SysUtil$LollipopSysdeps;
    }
.end annotation


# static fields
.field private static final APK_SIGNATURE_VERSION:B = 0x1t

.field private static final TAG:Ljava/lang/String; = "SysUtil"


# direct methods
.method public constructor <init>()V
    .registers 1

    .line 39
    invoke-direct {p0}, Ljava/lang/Object;-><init>()V

    return-void
.end method

.method static copyBytes(Ljava/io/RandomAccessFile;Ljava/io/InputStream;I[B)I
    .registers 8
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const/4 v0, 0x0

    move v1, v0

    :goto_2
    if-ge v1, p2, :cond_17

    .line 259
    array-length v2, p3

    sub-int v3, p2, v1

    .line 260
    invoke-static {v2, v3}, Ljava/lang/Math;->min(II)I

    move-result v2

    invoke-virtual {p1, p3, v0, v2}, Ljava/io/InputStream;->read([BII)I

    move-result v2

    const/4 v3, -0x1

    if-eq v2, v3, :cond_17

    .line 261
    invoke-virtual {p0, p3, v0, v2}, Ljava/io/RandomAccessFile;->write([BII)V

    add-int/2addr v1, v2

    goto :goto_2

    :cond_17
    return v1
.end method

.method public static deleteOrThrow(Ljava/io/File;)V
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 63
    invoke-virtual {p0}, Ljava/io/File;->getParentFile()Ljava/io/File;

    move-result-object v0

    if-eqz v0, :cond_29

    .line 65
    invoke-virtual {v0}, Ljava/io/File;->canWrite()Z

    move-result v1

    if-nez v1, :cond_29

    const/4 v1, 0x1

    invoke-virtual {v0, v1}, Ljava/io/File;->setWritable(Z)Z

    move-result v1

    if-nez v1, :cond_29

    .line 66
    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Enable write permission failed: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, v0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object v0

    const-string v1, "SysUtil"

    invoke-static {v1, v0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    .line 69
    :cond_29
    invoke-virtual {p0}, Ljava/io/File;->delete()Z

    move-result v0

    if-nez v0, :cond_4d

    invoke-virtual {p0}, Ljava/io/File;->exists()Z

    move-result v0

    if-nez v0, :cond_36

    goto :goto_4d

    .line 70
    :cond_36
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "Could not delete file "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_4d
    :goto_4d
    return-void
.end method

.method public static dumbDeleteRecursive(Ljava/io/File;)V
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 113
    invoke-virtual {p0}, Ljava/io/File;->isDirectory()Z

    move-result v0

    if-eqz v0, :cond_19

    .line 114
    invoke-virtual {p0}, Ljava/io/File;->listFiles()[Ljava/io/File;

    move-result-object v0

    if-nez v0, :cond_d

    return-void

    .line 119
    :cond_d
    array-length v1, v0

    const/4 v2, 0x0

    :goto_f
    if-ge v2, v1, :cond_19

    aget-object v3, v0, v2

    .line 120
    invoke-static {v3}, Lcom/facebook/soloader/SysUtil;->dumbDeleteRecursive(Ljava/io/File;)V

    add-int/lit8 v2, v2, 0x1

    goto :goto_f

    .line 124
    :cond_19
    invoke-static {p0}, Lcom/facebook/soloader/SysUtil;->deleteOrThrow(Ljava/io/File;)V

    return-void
.end method

.method public static fallocateIfSupported(Ljava/io/FileDescriptor;J)V
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 98
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v1, 0x15

    if-lt v0, v1, :cond_9

    .line 99
    invoke-static {p0, p1, p2}, Lcom/facebook/soloader/SysUtil$LollipopSysdeps;->fallocateIfSupported(Ljava/io/FileDescriptor;J)V

    :cond_9
    return-void
.end method

.method public static findAbiScore([Ljava/lang/String;Ljava/lang/String;)I
    .registers 4

    const/4 v0, 0x0

    .line 53
    :goto_1
    array-length v1, p0

    if-ge v0, v1, :cond_14

    .line 54
    aget-object v1, p0, v0

    if-eqz v1, :cond_11

    aget-object v1, p0, v0

    invoke-virtual {p1, v1}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v1

    if-eqz v1, :cond_11

    return v0

    :cond_11
    add-int/lit8 v0, v0, 0x1

    goto :goto_1

    :cond_14
    const/4 p0, -0x1

    return p0
.end method

.method static fsyncRecursive(Ljava/io/File;)V
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 268
    invoke-virtual {p0}, Ljava/io/File;->isDirectory()Z

    move-result v0

    if-eqz v0, :cond_2f

    .line 269
    invoke-virtual {p0}, Ljava/io/File;->listFiles()[Ljava/io/File;

    move-result-object v0

    if-eqz v0, :cond_18

    const/4 p0, 0x0

    .line 273
    :goto_d
    array-length v1, v0

    if-ge p0, v1, :cond_4d

    .line 274
    aget-object v1, v0, p0

    invoke-static {v1}, Lcom/facebook/soloader/SysUtil;->fsyncRecursive(Ljava/io/File;)V

    add-int/lit8 p0, p0, 0x1

    goto :goto_d

    .line 271
    :cond_18
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "cannot list directory "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 276
    :cond_2f
    invoke-virtual {p0}, Ljava/io/File;->getPath()Ljava/lang/String;

    move-result-object v0

    const-string v1, "_lock"

    invoke-virtual {v0, v1}, Ljava/lang/String;->endsWith(Ljava/lang/String;)Z

    move-result v0

    if-eqz v0, :cond_3c

    goto :goto_4d

    .line 280
    :cond_3c
    new-instance v0, Ljava/io/RandomAccessFile;

    const-string v1, "r"

    invoke-direct {v0, p0, v1}, Ljava/io/RandomAccessFile;-><init>(Ljava/io/File;Ljava/lang/String;)V

    .line 281
    :try_start_43
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->getFD()Ljava/io/FileDescriptor;

    move-result-object p0

    invoke-virtual {p0}, Ljava/io/FileDescriptor;->sync()V
    :try_end_4a
    .catchall {:try_start_43 .. :try_end_4a} :catchall_4e

    .line 282
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V

    :cond_4d
    :goto_4d
    return-void

    :catchall_4e
    move-exception p0

    .line 280
    :try_start_4f
    throw p0
    :try_end_50
    .catchall {:try_start_4f .. :try_end_50} :catchall_50

    :catchall_50
    move-exception v1

    if-eqz p0, :cond_5c

    .line 282
    :try_start_53
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V
    :try_end_56
    .catchall {:try_start_53 .. :try_end_56} :catchall_57

    goto :goto_5f

    :catchall_57
    move-exception v0

    invoke-virtual {p0, v0}, Ljava/lang/Throwable;->addSuppressed(Ljava/lang/Throwable;)V

    goto :goto_5f

    :cond_5c
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V

    :goto_5f
    throw v1
.end method

.method public static getAppVersionCode(Landroid/content/Context;)I
    .registers 3

    .line 301
    invoke-virtual {p0}, Landroid/content/Context;->getPackageManager()Landroid/content/pm/PackageManager;

    move-result-object v0

    const/4 v1, 0x0

    if-eqz v0, :cond_12

    .line 304
    :try_start_7
    invoke-virtual {p0}, Landroid/content/Context;->getPackageName()Ljava/lang/String;

    move-result-object p0

    invoke-virtual {v0, p0, v1}, Landroid/content/pm/PackageManager;->getPackageInfo(Ljava/lang/String;I)Landroid/content/pm/PackageInfo;

    move-result-object p0

    .line 305
    iget p0, p0, Landroid/content/pm/PackageInfo;->versionCode:I
    :try_end_11
    .catch Landroid/content/pm/PackageManager$NameNotFoundException; {:try_start_7 .. :try_end_11} :catch_12
    .catch Ljava/lang/RuntimeException; {:try_start_7 .. :try_end_11} :catch_12

    return p0

    :catch_12
    :cond_12
    return v1
.end method

.method public static getSupportedAbis()[Ljava/lang/String;
    .registers 3

    .line 82
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v1, 0x17

    if-lt v0, v1, :cond_b

    .line 83
    invoke-static {}, Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;->getSupportedAbis()[Ljava/lang/String;

    move-result-object v0

    return-object v0

    .line 84
    :cond_b
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v1, 0x15

    if-lt v0, v1, :cond_16

    .line 85
    invoke-static {}, Lcom/facebook/soloader/SysUtil$LollipopSysdeps;->getSupportedAbis()[Ljava/lang/String;

    move-result-object v0

    return-object v0

    :cond_16
    const/4 v0, 0x2

    new-array v0, v0, [Ljava/lang/String;

    const/4 v1, 0x0

    .line 87
    sget-object v2, Landroid/os/Build;->CPU_ABI:Ljava/lang/String;

    aput-object v2, v0, v1

    const/4 v1, 0x1

    sget-object v2, Landroid/os/Build;->CPU_ABI2:Ljava/lang/String;

    aput-object v2, v0, v1

    return-object v0
.end method

.method public static is64Bit()Z
    .registers 3

    .line 320
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/4 v1, 0x0

    const/16 v2, 0x17

    if-lt v0, v2, :cond_c

    .line 321
    invoke-static {}, Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;->is64Bit()Z

    move-result v1

    goto :goto_2c

    .line 322
    :cond_c
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v2, 0x15

    if-lt v0, v2, :cond_2c

    .line 324
    :try_start_12
    invoke-static {}, Lcom/facebook/soloader/SysUtil$LollipopSysdeps;->is64Bit()Z

    move-result v1
    :try_end_16
    .catch Ljava/lang/Exception; {:try_start_12 .. :try_end_16} :catch_17

    goto :goto_2c

    :catch_17
    move-exception v0

    const/4 v2, 0x1

    new-array v2, v2, [Ljava/lang/Object;

    .line 326
    invoke-virtual {v0}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object v0

    aput-object v0, v2, v1

    const-string v0, "Could not read /proc/self/exe. Err msg: %s"

    invoke-static {v0, v2}, Ljava/lang/String;->format(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;

    move-result-object v0

    const-string v2, "SysUtil"

    invoke-static {v2, v0}, Landroid/util/Log;->e(Ljava/lang/String;Ljava/lang/String;)I

    :cond_2c
    :goto_2c
    return v1
.end method

.method public static makeApkDepBlock(Ljava/io/File;Landroid/content/Context;)[B
    .registers 5
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 287
    invoke-virtual {p0}, Ljava/io/File;->getCanonicalFile()Ljava/io/File;

    move-result-object p0

    .line 288
    invoke-static {}, Landroid/os/Parcel;->obtain()Landroid/os/Parcel;

    move-result-object v0

    const/4 v1, 0x1

    .line 290
    :try_start_9
    invoke-virtual {v0, v1}, Landroid/os/Parcel;->writeByte(B)V

    .line 291
    invoke-virtual {p0}, Ljava/io/File;->getPath()Ljava/lang/String;

    move-result-object v1

    invoke-virtual {v0, v1}, Landroid/os/Parcel;->writeString(Ljava/lang/String;)V

    .line 292
    invoke-virtual {p0}, Ljava/io/File;->lastModified()J

    move-result-wide v1

    invoke-virtual {v0, v1, v2}, Landroid/os/Parcel;->writeLong(J)V

    .line 293
    invoke-static {p1}, Lcom/facebook/soloader/SysUtil;->getAppVersionCode(Landroid/content/Context;)I

    move-result p0

    invoke-virtual {v0, p0}, Landroid/os/Parcel;->writeInt(I)V

    .line 294
    invoke-virtual {v0}, Landroid/os/Parcel;->marshall()[B

    move-result-object p0
    :try_end_25
    .catchall {:try_start_9 .. :try_end_25} :catchall_29

    .line 296
    invoke-virtual {v0}, Landroid/os/Parcel;->recycle()V

    return-object p0

    :catchall_29
    move-exception p0

    invoke-virtual {v0}, Landroid/os/Parcel;->recycle()V

    .line 297
    throw p0
.end method

.method static mkdirOrThrow(Ljava/io/File;)V
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 240
    invoke-virtual {p0}, Ljava/io/File;->mkdirs()Z

    move-result v0

    if-nez v0, :cond_24

    invoke-virtual {p0}, Ljava/io/File;->isDirectory()Z

    move-result v0

    if-eqz v0, :cond_d

    goto :goto_24

    .line 241
    :cond_d
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

    invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V

    const-string v2, "cannot mkdir: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p0}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p0

    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_24
    :goto_24
    return-void
.end method