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Diffstat (limited to 'lpm.c')
-rw-r--r--lpm.c86
1 files changed, 55 insertions, 31 deletions
diff --git a/lpm.c b/lpm.c
index 8538923..11e1373 100644
--- a/lpm.c
+++ b/lpm.c
@@ -11,6 +11,8 @@
#include <sys/stat.h>
#include <git2.h>
+#include <openssl/sha.h>
+#include <curl/curl.h>
#ifdef _WIN32
#include <direct.h>
@@ -18,26 +20,18 @@
#include <fileapi.h>
#endif
-/* 64bit fnv-1a hash */
-typedef unsigned long long hash_t;
static char hexDigits[] = "0123456789abcdef";
-#define FNV_64_PRIME ((hash_t)0x100000001b3ULL)
static int lpm_hash(lua_State* L) {
- hash_t hval = 0;
size_t len;
const char* data = luaL_checklstring(L, 1, &len);
- const unsigned char *bp = (unsigned char*)data;
- const unsigned char *be = data + len;
- while (bp < be) {
- hval *= FNV_64_PRIME;
- hval ^= (unsigned long long)*bp++;
- }
- char buffer[16];
+ unsigned char buffer[SHA256_DIGEST_LENGTH];
+ char hexBuffer[SHA256_DIGEST_LENGTH * 2];
+ SHA256(data, len, buffer);
for (size_t i = 0; i < len; ++i) {
- buffer[i*2+0] = hexDigits[data[i] >> 4];
- buffer[i*2+1] = hexDigits[data[i] & 0xF];
+ hexBuffer[i*2+0] = hexDigits[buffer[i] >> 4];
+ hexBuffer[i*2+1] = hexDigits[buffer[i] & 0xF];
}
- lua_pushlstring(L, buffer, 16);
+ lua_pushlstring(L, buffer, SHA256_DIGEST_LENGTH * 2);
return 1;
}
@@ -310,7 +304,7 @@ static git_commit* git_retrieve_commit(git_repository* repository, const char* c
}
-int lpm_reset(lua_State* L) {
+static int lpm_reset(lua_State* L) {
git_repository* repository = luaL_checkgitrepo(L, 1);
const char* commit_name = luaL_checkstring(L, 2);
const char* type = luaL_checkstring(L, 3);
@@ -333,7 +327,7 @@ int lpm_reset(lua_State* L) {
}
-int lpm_init(lua_State* L) {
+static int lpm_init(lua_State* L) {
const char* path = luaL_checkstring(L, 1);
const char* url = luaL_checkstring(L, 2);
git_repository* repository;
@@ -350,7 +344,7 @@ int lpm_init(lua_State* L) {
}
-int lpm_fetch(lua_State* L) {
+static int lpm_fetch(lua_State* L) {
git_repository* repository = luaL_checkgitrepo(L, 1);
git_remote* remote;
if (git_remote_lookup(&remote, repository, "origin")) {
@@ -369,7 +363,7 @@ int lpm_fetch(lua_State* L) {
}
-int lpm_set_certs(lua_State* L) {
+static int lpm_set_certs(lua_State* L) {
const char* type = luaL_checkstring(L, 1);
const char* path = luaL_checkstring(L, 2);
if (strcmp(type, "dir") == 0)
@@ -379,8 +373,8 @@ int lpm_set_certs(lua_State* L) {
return 0;
}
-
-int lpm_status(lua_State* L) {
+static CURL *curl;
+static int lpm_status(lua_State* L) {
const char* path = luaL_checkstring(L, 1);
git_repository* repository;
if (git_repository_open(&repository, path))
@@ -395,19 +389,45 @@ int lpm_status(lua_State* L) {
}
+static size_t lpm_curl_write_callback(char *ptr, size_t size, size_t nmemb, void *BL) {
+ luaL_Buffer* B = BL;
+ luaL_addlstring(B, ptr, size*nmemb);
+ return size*nmemb;
+}
+
+
+static int lpm_get(lua_State* L) {
+ const char* url = luaL_checkstring(L, 1);
+ curl_easy_reset(curl);
+ curl_easy_setopt(curl, CURLOPT_URL, url);
+ CURLcode res = curl_easy_perform(curl);
+ if (res != CURLE_OK)
+ return luaL_error(L, "curl error: %d", res);
+ luaL_Buffer B;
+ luaL_buffinit(L, &B);
+ curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, lpm_curl_write_callback);
+ curl_easy_setopt(curl, CURLOPT_WRITEDATA, &B);
+ luaL_pushresult(&B);
+ lua_newtable(L);
+ return 2;
+}
+
+
static const luaL_Reg system_lib[] = {
- { "ls", lpm_ls }, // Returns an array of files.
- { "stat", lpm_stat }, // Returns info about a single file.
- { "mkdir", lpm_mkdir }, // Makes a directory.
- { "rmdir", lpm_rmdir }, // Removes a directory.
- { "hash", lpm_hash }, // Returns a hexhash.
- { "init", lpm_init }, // Initializes a git repository with the specified remote.
- { "fetch", lpm_fetch }, // Updates a git repository with the specified remote.
- { "reset", lpm_reset }, // Updates a git repository to the specified commit/hash/branch.
- { "status", lpm_status }, // Returns the git repository in question's current branch, if any, and commit hash.
+ { "ls", lpm_ls }, // Returns an array of files.
+ { "stat", lpm_stat }, // Returns info about a single file.
+ { "mkdir", lpm_mkdir }, // Makes a directory.
+ { "rmdir", lpm_rmdir }, // Removes a directory.
+ { "hash", lpm_hash }, // Returns a hex sha256 hash.
+ { "init", lpm_init }, // Initializes a git repository with the specified remote.
+ { "fetch", lpm_fetch }, // Updates a git repository with the specified remote.
+ { "reset", lpm_reset }, // Updates a git repository to the specified commit/hash/branch.
+ { "status", lpm_status }, // Returns the git repository in question's current branch, if any, and commit hash.
+ { "get", lpm_get }, // HTTP(s) GET request.
{ "set_certs", lpm_set_certs } // Returns the git repository in question's current branch, if any, and commit hash.
};
+
#ifndef LPM_VERSION
#define LPM_VERSION "unknown"
#endif
@@ -415,6 +435,9 @@ static const luaL_Reg system_lib[] = {
extern const char lpm_lua[];
extern unsigned int lpm_lua_len;
int main(int argc, char* argv[]) {
+ curl = curl_easy_init();
+ if (!curl)
+ return -1;
git_libgit2_init();
lua_State* L = luaL_newstate();
luaL_openlibs(L);
@@ -436,8 +459,8 @@ int main(int argc, char* argv[]) {
#endif
lua_setglobal(L, "PATHSEP");
lua_setglobal(L, "PLATFORM");
- if (luaL_loadbuffer(L, lpm_lua, lpm_lua_len, "lpm.lua")) {
- // if (luaL_loadfile(L, "lpm.lua")) {
+ // if (luaL_loadbuffer(L, lpm_lua, lpm_lua_len, "lpm.lua")) {
+ if (luaL_loadfile(L, "lpm.lua")) {
fprintf(stderr, "internal error when starting the application: %s\n", lua_tostring(L, -1));
return -1;
}
@@ -445,5 +468,6 @@ int main(int argc, char* argv[]) {
int status = lua_tointeger(L, -1);
lua_close(L);
git_libgit2_shutdown();
+ curl_easy_cleanup(curl);
return status;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-23 21:03:16 +0000