65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
/*
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** Copyright 2013, Koushik Dutta (@koush)
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**
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <limits.h>
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#include <sqlite3.h>
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#include <time.h>
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#include <string.h>
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#include <unistd.h>
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#include "magisk.h"
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#include "su.h"
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static int database_callback(void *v, int argc, char **argv, char **azColName) {
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struct su_context *ctx = (struct su_context *) v;
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policy_t policy = QUERY;
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time_t until = 0;
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for(int i = 0; i < argc; i++) {
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if (strcmp(azColName[i], "policy") == 0) {
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if (argv[i] != NULL) {
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policy = atoi(argv[i]);
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}
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} else if (strcmp(azColName[i], "until") == 0) {
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if (argv[i] != NULL) {
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until = atol(argv[i]);
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}
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}
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}
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if (policy == DENY)
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ctx->info->policy = DENY;
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else if (policy == ALLOW && (until == 0 || until > time(NULL)))
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ctx->info->policy = ALLOW;
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return 0;
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}
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void database_check(struct su_context *ctx) {
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sqlite3 *db = NULL;
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// Check if file is readable
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if (access(ctx->user.database_path, R_OK) == -1)
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return;
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char query[512];
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snprintf(query, sizeof(query), "SELECT policy, until FROM policies WHERE uid=%d", ctx->info->uid % 100000);
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int ret = sqlite3_open_v2(ctx->user.database_path, &db, SQLITE_OPEN_READONLY, NULL);
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if (ret) {
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LOGD("sqlite3 open failure: %s\n", sqlite3_errstr(ret));
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sqlite3_close(db);
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return;
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}
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char *err = NULL;
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ret = sqlite3_exec(db, query, database_callback, ctx, &err);
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sqlite3_close(db);
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if (err != NULL) {
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LOGE("sqlite3_exec: %s\n", err);
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ctx->info->policy = DENY;
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}
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}
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