SysUtil.smali

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


# 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_DEP_BLOCK_METADATA_LENGTH:J = 0x14L

.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

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

    return-void
.end method

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

    const/4 v0, 0x0

    const/4 v1, 0x0

    :goto_2
    if-ge v1, p2, :cond_17

    .line 1
    array-length v2, p3

    sub-int v3, p2, v1

    .line 2
    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 3
    invoke-interface {p0, p3, v0, v2}, Ljava/io/DataOutput;->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 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    invoke-virtual {p0}, Ljava/io/File;->getParentFile()Ljava/io/File;

    move-result-object v0

    if-eqz v0, :cond_16

    .line 2
    invoke-virtual {v0}, Ljava/io/File;->canWrite()Z

    move-result v1

    if-nez v1, :cond_16

    const/4 v1, 0x1

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

    move-result v1

    if-nez v1, :cond_16

    .line 3
    invoke-virtual {v0}, Ljava/lang/Object;->toString()Ljava/lang/String;

    .line 4
    :cond_16
    invoke-virtual {p0}, Ljava/io/File;->delete()Z

    move-result v0

    if-nez v0, :cond_2f

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

    move-result v0

    if-nez v0, :cond_23

    goto :goto_2f

    .line 5
    :cond_23
    new-instance v0, Ljava/io/IOException;

    const-string v1, "Could not delete file "

    .line 6
    invoke-static {v1, p0}, Landroidx/core/content/c;->d(Ljava/lang/String;Ljava/io/File;)Ljava/lang/String;

    move-result-object p0

    .line 7
    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_2f
    :goto_2f
    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 1
    invoke-virtual {p0}, Ljava/io/File;->isDirectory()Z

    move-result v0

    if-eqz v0, :cond_19

    .line 2
    invoke-virtual {p0}, Ljava/io/File;->listFiles()[Ljava/io/File;

    move-result-object v0

    if-nez v0, :cond_d

    return-void

    .line 3
    :cond_d
    array-length v1, v0

    const/4 v2, 0x0

    :goto_f
    if-ge v2, v1, :cond_19

    aget-object v3, v0, v2

    .line 4
    invoke-static {v3}, Lcom/facebook/soloader/SysUtil;->dumbDeleteRecursive(Ljava/io/File;)V

    add-int/lit8 v2, v2, 0x1

    goto :goto_f

    .line 5
    :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 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

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

    return-void
.end method

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

    const/4 v0, 0x0

    .line 1
    :goto_1
    array-length v1, p0

    if-ge v0, v1, :cond_14

    .line 2
    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 public static fsyncRecursive(Ljava/io/File;)V
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    invoke-virtual {p0}, Ljava/io/File;->isDirectory()Z

    move-result v0

    if-eqz v0, :cond_24

    .line 2
    invoke-virtual {p0}, Ljava/io/File;->listFiles()[Ljava/io/File;

    move-result-object v0

    if-eqz v0, :cond_18

    const/4 p0, 0x0

    .line 3
    :goto_d
    array-length v1, v0

    if-ge p0, v1, :cond_42

    .line 4
    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 5
    :cond_18
    new-instance v0, Ljava/io/IOException;

    const-string v1, "cannot list directory "

    .line 6
    invoke-static {v1, p0}, Landroidx/core/content/c;->d(Ljava/lang/String;Ljava/io/File;)Ljava/lang/String;

    move-result-object p0

    .line 7
    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 8
    :cond_24
    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_31

    goto :goto_42

    .line 9
    :cond_31
    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 10
    :try_start_38
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->getFD()Ljava/io/FileDescriptor;

    move-result-object p0

    invoke-virtual {p0}, Ljava/io/FileDescriptor;->sync()V
    :try_end_3f
    .catchall {:try_start_38 .. :try_end_3f} :catchall_43

    .line 11
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V

    :cond_42
    :goto_42
    return-void

    :catchall_43
    move-exception p0

    .line 12
    :try_start_44
    invoke-virtual {v0}, Ljava/io/RandomAccessFile;->close()V
    :try_end_47
    .catchall {:try_start_44 .. :try_end_47} :catchall_48

    goto :goto_4c

    :catchall_48
    move-exception v0

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

    :goto_4c
    throw p0
.end method

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

    .line 1
    invoke-virtual {p0}, Ljava/io/File;->getCanonicalFile()Ljava/io/File;

    move-result-object p0

    .line 2
    invoke-virtual {p0}, Ljava/io/File;->getPath()Ljava/lang/String;

    move-result-object p0

    invoke-virtual {p0}, Ljava/lang/String;->length()I

    move-result p0

    add-int/lit8 p0, p0, 0x1

    mul-int/lit8 p0, p0, 0x2

    int-to-long v0, p0

    invoke-static {v0, v1}, Lcom/facebook/soloader/SysUtil;->getParcelPadSize(J)J

    move-result-wide v0

    const-wide/16 v2, 0x14

    add-long/2addr v0, v2

    return-wide v0
.end method

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

    .line 1
    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 2
    :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 3
    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 getBaseName(Ljava/lang/String;)Ljava/lang/String;
    .registers 3

    const/16 v0, 0x2e

    .line 1
    invoke-virtual {p0, v0}, Ljava/lang/String;->lastIndexOf(I)I

    move-result v0

    if-lez v0, :cond_d

    const/4 v1, 0x0

    .line 2
    invoke-virtual {p0, v1, v0}, Ljava/lang/String;->substring(II)Ljava/lang/String;

    move-result-object p0

    :cond_d
    return-object p0
.end method

.method public static getOrCreateLockOnDir(Ljava/io/File;Ljava/io/File;Z)Lcom/facebook/soloader/FileLocker;
    .registers 7
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    const/4 v0, 0x1

    const/4 v1, 0x0

    if-eqz p2, :cond_9

    .line 1
    :try_start_4
    invoke-static {p1}, Lcom/facebook/soloader/FileLocker;->lock(Ljava/io/File;)Lcom/facebook/soloader/FileLocker;

    move-result-object p0

    return-object p0

    .line 2
    :cond_9
    invoke-static {p1}, Lcom/facebook/soloader/FileLocker;->tryLock(Ljava/io/File;)Lcom/facebook/soloader/FileLocker;

    move-result-object p0
    :try_end_d
    .catch Ljava/io/FileNotFoundException; {:try_start_4 .. :try_end_d} :catch_11
    .catchall {:try_start_4 .. :try_end_d} :catchall_e

    return-object p0

    :catchall_e
    move-exception p1

    const/4 v0, 0x0

    goto :goto_38

    :catch_11
    move-exception v2

    .line 3
    :try_start_12
    invoke-virtual {p0, v0}, Ljava/io/File;->setWritable(Z)Z

    move-result v3

    if-eqz v3, :cond_36

    if-eqz p2, :cond_28

    .line 4
    invoke-static {p1}, Lcom/facebook/soloader/FileLocker;->lock(Ljava/io/File;)Lcom/facebook/soloader/FileLocker;

    move-result-object p1
    :try_end_1e
    .catchall {:try_start_12 .. :try_end_1e} :catchall_37

    .line 5
    invoke-virtual {p0, v1}, Ljava/io/File;->setWritable(Z)Z

    move-result p2

    if-nez p2, :cond_27

    .line 6
    invoke-virtual {p0}, Ljava/io/File;->getCanonicalPath()Ljava/lang/String;

    :cond_27
    return-object p1

    .line 7
    :cond_28
    :try_start_28
    invoke-static {p1}, Lcom/facebook/soloader/FileLocker;->tryLock(Ljava/io/File;)Lcom/facebook/soloader/FileLocker;

    move-result-object p1
    :try_end_2c
    .catchall {:try_start_28 .. :try_end_2c} :catchall_37

    .line 8
    invoke-virtual {p0, v1}, Ljava/io/File;->setWritable(Z)Z

    move-result p2

    if-nez p2, :cond_35

    .line 9
    invoke-virtual {p0}, Ljava/io/File;->getCanonicalPath()Ljava/lang/String;

    :cond_35
    return-object p1

    .line 10
    :cond_36
    :try_start_36
    throw v2
    :try_end_37
    .catchall {:try_start_36 .. :try_end_37} :catchall_37

    :catchall_37
    move-exception p1

    :goto_38
    if-eqz v0, :cond_43

    .line 11
    invoke-virtual {p0, v1}, Ljava/io/File;->setWritable(Z)Z

    move-result p2

    if-nez p2, :cond_43

    .line 12
    invoke-virtual {p0}, Ljava/io/File;->getCanonicalPath()Ljava/lang/String;

    .line 13
    :cond_43
    throw p1
.end method

.method private static getParcelPadSize(J)J
    .registers 6

    const-wide/16 v0, 0x4

    rem-long v2, p0, v0

    sub-long v2, v0, v2

    rem-long/2addr v2, v0

    add-long/2addr v2, p0

    return-wide v2
.end method

.method public static getSupportedAbis()[Ljava/lang/String;
    .registers 2

    .line 1
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v1, 0x17

    if-lt v0, v1, :cond_b

    .line 2
    invoke-static {}, Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;->getSupportedAbis()[Ljava/lang/String;

    move-result-object v0

    return-object v0

    .line 3
    :cond_b
    invoke-static {}, Lcom/facebook/soloader/SysUtil$LollipopSysdeps;->getSupportedAbis()[Ljava/lang/String;

    move-result-object v0

    return-object v0
.end method

.method public static is64Bit()Z
    .registers 3
    .annotation build Landroid/annotation/SuppressLint;
        value = {
            "CatchGeneralException"
        }
    .end annotation

    .line 1
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/4 v1, 0x0

    const/16 v2, 0x17

    if-lt v0, v2, :cond_c

    .line 2
    invoke-static {}, Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;->is64Bit()Z

    move-result v1

    goto :goto_20

    .line 3
    :cond_c
    :try_start_c
    invoke-static {}, Lcom/facebook/soloader/SysUtil$LollipopSysdeps;->is64Bit()Z

    move-result v1
    :try_end_10
    .catch Ljava/lang/Exception; {:try_start_c .. :try_end_10} :catch_11

    goto :goto_20

    :catch_11
    move-exception v0

    const/4 v2, 0x1

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

    .line 4
    invoke-virtual {v0}, Ljava/lang/Throwable;->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;

    :goto_20
    return v1
.end method

.method public static isDisabledExtractNativeLibs(Landroid/content/Context;)Z
    .registers 3

    .line 1
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v1, 0x17

    if-lt v0, v1, :cond_b

    .line 2
    invoke-static {p0}, Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;->isDisabledExtractNativeLibs(Landroid/content/Context;)Z

    move-result p0

    return p0

    :cond_b
    const/4 p0, 0x0

    return p0
.end method

.method public static isSupportedDirectLoad(Landroid/content/Context;I)Z
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    sget v0, Landroid/os/Build$VERSION;->SDK_INT:I

    const/16 v1, 0x17

    if-lt v0, v1, :cond_b

    .line 2
    invoke-static {p0, p1}, Lcom/facebook/soloader/SysUtil$MarshmallowSysdeps;->isSupportedDirectLoad(Landroid/content/Context;I)Z

    move-result p0

    return p0

    :cond_b
    const/4 p0, 0x0

    return p0
.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 1
    invoke-virtual {p0}, Ljava/io/File;->getCanonicalFile()Ljava/io/File;

    move-result-object p0

    .line 2
    invoke-static {}, Landroid/os/Parcel;->obtain()Landroid/os/Parcel;

    move-result-object v0

    const/4 v1, 0x1

    .line 3
    :try_start_9
    invoke-virtual {v0, v1}, Landroid/os/Parcel;->writeByte(B)V

    .line 4
    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 5
    invoke-virtual {p0}, Ljava/io/File;->lastModified()J

    move-result-wide v1

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

    .line 6
    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 7
    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 8
    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 9
    throw p0
.end method

.method public static mkdirOrThrow(Ljava/io/File;)V
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/io/IOException;
        }
    .end annotation

    .line 1
    invoke-virtual {p0}, Ljava/io/File;->mkdirs()Z

    move-result v0

    if-nez v0, :cond_19

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

    move-result v0

    if-eqz v0, :cond_d

    goto :goto_19

    .line 2
    :cond_d
    new-instance v0, Ljava/io/IOException;

    const-string v1, "cannot mkdir: "

    .line 3
    invoke-static {v1, p0}, Landroidx/core/content/c;->d(Ljava/lang/String;Ljava/io/File;)Ljava/lang/String;

    move-result-object p0

    .line 4
    invoke-direct {v0, p0}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_19
    :goto_19
    return-void
.end method