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installd: Call pipe() before forking 

Change-Id: Ideef9387c503a25dadb2afb4e4b394a2e61cd8e9
This commit is contained in:
d34d 2015-10-28 18:35:09 -07:00
parent 66a1d0d715
commit 716c2cf34a
1 changed files with 6 additions and 5 deletions
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11
cmds/installd/commands.cpp
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@ -1744,8 +1744,7 @@ static void run_aapt(const char *source_apk, const char *internal_path,
int aapt(const char *source_apk, const char *internal_path, const char *out_restable, uid_t uid,
int pkgId, int min_sdk_version, const char *common_res_path)
{
ALOGD("aapt source_apk=%s internal_path=%s out_restable=%s uid=%d, pkgId=%d, \
min_sdk_version=%d, common_res_path=%s",
ALOGD("aapt source_apk=%s internal_path=%s out_restable=%s uid=%d, pkgId=%d,min_sdk_version=%d, common_res_path=%s",
source_apk, internal_path, out_restable, uid, pkgId, min_sdk_version, common_res_path);
static const int PARENT_READ_PIPE = 0;
static const int CHILD_WRITE_PIPE = 1;
@ -1754,7 +1753,12 @@ int aapt(const char *source_apk, const char *internal_path, const char *out_rest
char restable_path[PATH_MAX];
char resapk_path[PATH_MAX];
// create pipes for redirecting STDERR to a buffer that can be displayed in logcat
int pipefd[2];
if (pipe(pipefd) != 0) {
pipefd[0] = pipefd[1] = -1;
}
pid_t pid = fork();
// get file descriptor for resources.arsc
@ -1778,9 +1782,6 @@ int aapt(const char *source_apk, const char *internal_path, const char *out_rest
goto fail;
}
if (pipe(pipefd) != 0) {
pipefd[0] = pipefd[1] = -1;
}
if (pid == 0) {
/* child -- drop privileges before continuing */
if (setgid(uid) != 0) {