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#define FUSE_USE_VERSION 26
#include <sys/types.h>
#include <sqlite3.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <fuse.h>
#include <tcl.h>
#define APPFS_CACHEDIR "/tmp/appfs-cache"
#define APPFS_DEBUG(x...) { fprintf(stderr, "[debug] %s:%i:%s: ", __FILE__, __LINE__, __func__); fprintf(stderr, x); fprintf(stderr, "\n"); }
struct appfs_thread_data {
Tcl_Interp *interp;
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#define FUSE_USE_VERSION 26
#include <sys/types.h>
#include <sqlite3.h>
#include <pthread.h>
#include <string.h>
#include <stdarg.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <fuse.h>
#include <tcl.h>
#define APPFS_CACHEDIR "/tmp/appfs-cache"
#define APPFS_DEBUG(x...) { fprintf(stderr, "[debug] %s:%i:%s: ", __FILE__, __LINE__, __func__); fprintf(stderr, x); fprintf(stderr, "\n"); }
static pthread_key_t interpKey;
struct appfs_thread_data {
sqlite3 *db;
const char *cachedir;
};
struct appfs_thread_data globalThread;
typedef enum {
APPFS_OS_UNKNOWN,
APPFS_OS_ALL,
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return("arm");
case APPFS_CPU_UNKNOWN:
return("unknown");
}
return("unknown");
}
static int appfs_Tcl_Eval(Tcl_Interp *interp, int objc, const char *cmd, ...) {
Tcl_Obj **objv;
const char *arg;
va_list argp;
int retval;
int i;
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return("arm");
case APPFS_CPU_UNKNOWN:
return("unknown");
}
return("unknown");
}
static Tcl_Interp *appfs_create_TclInterp(const char *cachedir) {
Tcl_Interp *interp;
int tcl_ret;
interp = Tcl_CreateInterp();
if (interp == NULL) {
fprintf(stderr, "Unable to create Tcl Interpreter. Aborting.\n");
return(NULL);
}
tcl_ret = Tcl_Init(interp);
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl. Aborting.\n");
return(NULL);
}
tcl_ret = Tcl_Eval(interp, ""
#include "appfs.tcl.h"
"");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
return(NULL);
}
if (Tcl_SetVar(interp, "::appfs::cachedir", cachedir, TCL_GLOBAL_ONLY) == NULL) {
fprintf(stderr, "Unable to set cache directory. This should never fail.\n");
return(NULL);
}
tcl_ret = Tcl_Eval(interp, "::appfs::init");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script (::appfs::init). Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(interp));
return(NULL);
}
return(interp);
}
static int appfs_Tcl_Eval(Tcl_Interp *interp, int objc, const char *cmd, ...) {
Tcl_Obj **objv;
const char *arg;
va_list argp;
int retval;
int i;
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for (i = 0; i < objc; i++) {
Tcl_DecrRefCount(objv[i]);
}
ckfree((void *) objv);
return(retval);
}
static int appfs_update_index(const char *hostname) {
int tcl_ret;
tcl_ret = appfs_Tcl_Eval(globalThread.interp, 2, "::appfs::getindex", hostname);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Call to ::appfs::getindex failed: %s", Tcl_GetStringResult(globalThread.interp));
return(-1);
}
return(0);
}
static const char *appfs_getfile(const char *hostname, const char *sha1) {
char *retval;
int tcl_ret;
tcl_ret = appfs_Tcl_Eval(globalThread.interp, 3, "::appfs::download", hostname, sha1);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Call to ::appfs::download failed: %s", Tcl_GetStringResult(globalThread.interp));
return(NULL);
}
retval = strdup(Tcl_GetStringResult(globalThread.interp));
return(retval);
}
static int appfs_update_manifest(const char *hostname, const char *sha1) {
int tcl_ret;
tcl_ret = appfs_Tcl_Eval(globalThread.interp, 3, "::appfs::getpkgmanifest", hostname, sha1);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Call to ::appfs::getpkgmanifest failed: %s", Tcl_GetStringResult(globalThread.interp));
return(-1);
}
return(0);
}
#define appfs_free_list_type(id, type) static void appfs_free_list_ ## id(type *head) { \
type *obj, *next; \
for (obj = head; obj; obj = next) { \
next = obj->_next; \
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for (i = 0; i < objc; i++) {
Tcl_DecrRefCount(objv[i]);
}
ckfree((void *) objv);
if (retval != TCL_OK) {
APPFS_DEBUG("Tcl command failed, ::errorInfo contains: %s\n", Tcl_GetVar(interp, "::errorInfo", 0));
}
return(retval);
}
static void appfs_update_index(const char *hostname) {
Tcl_Interp *interp;
int tcl_ret;
APPFS_DEBUG("Enter: hostname = %s", hostname);
interp = pthread_getspecific(interpKey);
if (interp == NULL) {
interp = appfs_create_TclInterp(globalThread.cachedir);
pthread_setspecific(interpKey, interp);
}
tcl_ret = appfs_Tcl_Eval(interp, 2, "::appfs::getindex", hostname);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Call to ::appfs::getindex failed: %s", Tcl_GetStringResult(interp));
return;
}
return;
}
static const char *appfs_getfile(const char *hostname, const char *sha1) {
Tcl_Interp *interp;
char *retval;
int tcl_ret;
interp = pthread_getspecific(interpKey);
if (interp == NULL) {
interp = appfs_create_TclInterp(globalThread.cachedir);
pthread_setspecific(interpKey, interp);
}
tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::download", hostname, sha1);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Call to ::appfs::download failed: %s", Tcl_GetStringResult(interp));
return(NULL);
}
retval = strdup(Tcl_GetStringResult(interp));
return(retval);
}
static void appfs_update_manifest(const char *hostname, const char *sha1) {
Tcl_Interp *interp;
int tcl_ret;
interp = pthread_getspecific(interpKey);
if (interp == NULL) {
interp = appfs_create_TclInterp(globalThread.cachedir);
pthread_setspecific(interpKey, interp);
}
tcl_ret = appfs_Tcl_Eval(interp, 3, "::appfs::getpkgmanifest", hostname, sha1);
if (tcl_ret != TCL_OK) {
APPFS_DEBUG("Call to ::appfs::getpkgmanifest failed: %s", Tcl_GetStringResult(interp));
return;
}
return;
}
#define appfs_free_list_type(id, type) static void appfs_free_list_ ## id(type *head) { \
type *obj, *next; \
for (obj = head; obj; obj = next) { \
next = obj->_next; \
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return(0);
}
static struct appfs_package *appfs_getindex(const char *hostname, int *package_count_p) {
struct appfs_package *head = NULL;
char *sql;
int index_ret, sqlite_ret;
if (package_count_p == NULL) {
return(NULL);
}
index_ret = appfs_update_index(hostname);
if (index_ret != 0) {
return(NULL);
}
sql = sqlite3_mprintf("SELECT package, version, sha1, os, cpuArch, isLatest FROM packages WHERE hostname = %Q;", hostname);
if (sql == NULL) {
APPFS_DEBUG("Call to sqlite3_mprintf failed.");
return(NULL);
}
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return(0);
}
static struct appfs_package *appfs_getindex(const char *hostname, int *package_count_p) {
struct appfs_package *head = NULL;
char *sql;
int sqlite_ret;
if (package_count_p == NULL) {
return(NULL);
}
appfs_update_index(hostname);
sql = sqlite3_mprintf("SELECT package, version, sha1, os, cpuArch, isLatest FROM packages WHERE hostname = %Q;", hostname);
if (sql == NULL) {
APPFS_DEBUG("Call to sqlite3_mprintf failed.");
return(NULL);
}
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return(0);
}
static struct appfs_children *appfs_getchildren(const char *hostname, const char *package_hash, const char *path, int *children_count_p) {
struct appfs_children *head = NULL;
char *sql;
int index_ret, sqlite_ret, manifest_ret;
if (children_count_p == NULL) {
return(NULL);
}
index_ret = appfs_update_index(hostname);
if (index_ret != 0) {
return(NULL);
}
manifest_ret = appfs_update_manifest(hostname, package_hash);
if (manifest_ret != 0) {
return(NULL);
}
sql = sqlite3_mprintf("SELECT file_name FROM files WHERE package_sha1 = %Q AND file_directory = %Q;", package_hash, path);
if (sql == NULL) {
APPFS_DEBUG("Call to sqlite3_mprintf failed.");
return(NULL);
}
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return(0);
}
static struct appfs_children *appfs_getchildren(const char *hostname, const char *package_hash, const char *path, int *children_count_p) {
struct appfs_children *head = NULL;
char *sql;
int sqlite_ret;
if (children_count_p == NULL) {
return(NULL);
}
appfs_update_index(hostname);
appfs_update_manifest(hostname, package_hash);
sql = sqlite3_mprintf("SELECT file_name FROM files WHERE package_sha1 = %Q AND file_directory = %Q;", package_hash, path);
if (sql == NULL) {
APPFS_DEBUG("Call to sqlite3_mprintf failed.");
return(NULL);
}
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return(0);
}
static char *appfs_lookup_package_hash(const char *hostname, const char *package, appfs_os_t os, appfs_cpuArch_t cpuArch, const char *version) {
char *sql;
char *retval = NULL;
int index_ret, sqlite_ret;
index_ret = appfs_update_index(hostname);
if (index_ret != 0) {
return(NULL);
}
sql = sqlite3_mprintf("SELECT sha1 FROM packages WHERE hostname = %Q AND package = %Q AND os = %Q AND cpuArch = %Q AND version = %Q;",
hostname,
package,
appfs_convert_os_toString(os),
appfs_convert_cpuArch_toString(cpuArch),
version
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return(0);
}
static char *appfs_lookup_package_hash(const char *hostname, const char *package, appfs_os_t os, appfs_cpuArch_t cpuArch, const char *version) {
char *sql;
char *retval = NULL;
int sqlite_ret;
appfs_update_index(hostname);
sql = sqlite3_mprintf("SELECT sha1 FROM packages WHERE hostname = %Q AND package = %Q AND os = %Q AND cpuArch = %Q AND version = %Q;",
hostname,
package,
appfs_convert_os_toString(os),
appfs_convert_cpuArch_toString(cpuArch),
version
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/* Until this is used, prevent the compiler from complaining */
source = source;
}
static int appfs_getfileinfo(const char *hostname, const char *package_hash, const char *_path, struct appfs_pathinfo *pathinfo) {
char *directory, *file, *path;
char *sql;
int index_ret, sqlite_ret, manifest_ret;
if (pathinfo == NULL) {
return(-EIO);
}
index_ret = appfs_update_index(hostname);
if (index_ret != 0) {
return(-EIO);
}
manifest_ret = appfs_update_manifest(hostname, package_hash);
if (manifest_ret != 0) {
return(-EIO);
}
path = strdup(_path);
directory = path;
file = strrchr(path, '/');
if (file == NULL) {
file = path;
directory = "";
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/* Until this is used, prevent the compiler from complaining */
source = source;
}
static int appfs_getfileinfo(const char *hostname, const char *package_hash, const char *_path, struct appfs_pathinfo *pathinfo) {
char *directory, *file, *path;
char *sql;
int sqlite_ret;
if (pathinfo == NULL) {
return(-EIO);
}
appfs_update_index(hostname);
appfs_update_manifest(hostname, package_hash);
path = strdup(_path);
directory = path;
file = strrchr(path, '/');
if (file == NULL) {
file = path;
directory = "";
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.read = appfs_fuse_read
};
#endif
int main(int argc, char **argv) {
const char *cachedir = APPFS_CACHEDIR;
char dbfilename[1024];
int tcl_ret, snprintf_ret, sqlite_ret;
globalThread.interp = Tcl_CreateInterp();
if (globalThread.interp == NULL) {
fprintf(stderr, "Unable to create Tcl Interpreter. Aborting.\n");
return(1);
}
tcl_ret = Tcl_Init(globalThread.interp);
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl. Aborting.\n");
return(1);
}
tcl_ret = Tcl_Eval(globalThread.interp, ""
#include "appfs.tcl.h"
"");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script. Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(globalThread.interp));
return(1);
}
if (Tcl_SetVar(globalThread.interp, "::appfs::cachedir", cachedir, TCL_GLOBAL_ONLY) == NULL) {
fprintf(stderr, "Unable to set cache directory. This should never fail.\n");
return(1);
}
tcl_ret = appfs_Tcl_Eval(globalThread.interp, 1, "::appfs::init");
if (tcl_ret != TCL_OK) {
fprintf(stderr, "Unable to initialize Tcl AppFS script (::appfs::init). Aborting.\n");
fprintf(stderr, "Tcl Error is: %s\n", Tcl_GetStringResult(globalThread.interp));
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.read = appfs_fuse_read
};
#endif
int main(int argc, char **argv) {
const char *cachedir = APPFS_CACHEDIR;
char dbfilename[1024];
int pthread_ret, snprintf_ret, sqlite_ret;
globalThread.cachedir = cachedir;
pthread_ret = pthread_key_create(&interpKey, NULL);
if (pthread_ret != 0) {
fprintf(stderr, "Unable to create TSD key for Tcl. Aborting.\n");
return(1);
}
snprintf_ret = snprintf(dbfilename, sizeof(dbfilename), "%s/%s", cachedir, "cache.db");
if (snprintf_ret >= sizeof(dbfilename)) {
fprintf(stderr, "Unable to set database filename. Aborting.\n");
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