update: better error handling for pool list loading

fixes #4

include/all.h

@@ -22,7 +22,7 @@
 
 // clang-format on
 
-#define LM_VERSION "24.04"
+#define LM_VERSION "24.09"
 
 #include "ctx.h"
 #include "error.h"

include/ctx.h

@@ -93,8 +93,8 @@ bool lm_ctx_install(lm_ctx_t *ctx, lm_pkg_t *pkg, bool run_install, lm_ctx_insta
     void *data); // installs/updates a single package
 bool lm_ctx_check(
     lm_ctx_t *ctx, lm_entry_t *entry, lm_ctx_check_callback_t callback, void *data); // checks a single package
-size_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callback, void *data); // syncs all the pools
-void   lm_ctx_ping(lm_ctx_t *ctx, lm_ctx_ping_callback_t callback, void *data);                 // pings all the pools
+ssize_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callback, void *data); // syncs all the pools
+void    lm_ctx_ping(lm_ctx_t *ctx, lm_ctx_ping_callback_t callback, void *data);                 // pings all the pools
 bool lm_ctx_serve(lm_ctx_t *ctx, char *addr, uint8_t threads, __sighandler_t handler, lm_ctx_serve_callback_t callback,
     void *data); // serves all the pools
 

include/error.h

@@ -140,7 +140,7 @@ typedef enum lm_error {
   LM_ERR_InstallSaveFail       = 138,
   LM_ERR_FailMkdir             = 139,
   LM_ERR_NotDir                = 140,
-  LM_ERR_NoWrite               = 141,
+  LM_ERR_NoRead                = 141,
   LM_ERR_PoolListBadDir        = 142,
   LM_ERR_FileNotExist          = 143,
   LM_ERR_FileNotLink           = 144,
@@ -154,6 +154,10 @@ typedef enum lm_error {
   LM_ERR_PoolInfoUnknown       = 152,
   LM_ERR_MPTPBadPath           = 153,
   LM_ERR_UnknownThread         = 154,
+  LM_ERR_PkgBadVersion         = 155,
+  LM_ERR_PkgDataMissing        = 156,
+  LM_ERR_PoolListDataFail      = 157,
+  LM_ERR_PoolListAddFail       = 158,
 } lm_error_t;
 
 typedef struct lm_error_desc {

include/util.h

@@ -33,8 +33,9 @@ bool  rmrf(char *p);
 int   digits(int n);
 
 bool package_parse(char *package, char *name, char *version);
-bool package_version_valid(char *name);
-bool package_name_valid(char *name);
+bool __package_field_valid(char *field);
+#define package_version_valid(x) __package_field_valid(x)
+#define package_name_valid(x)    __package_field_valid(x)
 
 void pdebug(const char *func, const char *fmt, ...);
 void pdebug_binary(char *data, size_t len);
@@ -42,7 +43,7 @@ void pdebug_binary(char *data, size_t len);
 bool parse_host(char *addr, char *host, uint16_t *port);
 bool copy_blocks(struct archive *w, struct archive *r);
 bool extract_archive(char *dst, char *src);
-bool mkdir_ifnot(char *path);
+bool mkdir_ifnot(char *path, int mode);
 
 int   join_multiple(char *res, const char *base, const char *pth, const char *pth2);
 int   join(char *res, const char *base, const char *pth);

locale/tr/LC_MESSAGES/libmp.po

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: PACKAGE VERSION\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2024-08-16 03:06+0300\n"
+"POT-Creation-Date: 2024-08-25 14:07+0300\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -203,461 +203,481 @@ msgid "failed to open extracted pool list directory"
 msgstr ""
 
 #: src/error.c:76
-msgid "failed to read access the pool list file"
+#, c-format
+msgid "failed to load \"%s\" data: %s"
 msgstr ""
 
 #: src/error.c:77
-msgid "failed to read access the pool info file"
+#, c-format
+msgid "failed add \"%s\" to the pool list: %s"
 msgstr ""
 
 #: src/error.c:78
-msgid "failed to parse package data"
+msgid "failed to read access the pool list file"
 msgstr ""
 
 #: src/error.c:79
+msgid "failed to read access the pool info file"
+msgstr ""
+
+#: src/error.c:80
+msgid "failed to parse package data"
+msgstr ""
+
+#: src/error.c:81
 #, fuzzy
 msgid "package name is invalid"
 msgstr "URL hostname is too large"
 
-#: src/error.c:80
+#: src/error.c:82
+#, fuzzy
+msgid "package version is invalid"
+msgstr "URL hostname is too large"
+
+#: src/error.c:83
+#, c-format
+msgid "package data has missing field: %s"
+msgstr ""
+
+#: src/error.c:84
 msgid "data path is not set with in the ctx"
 msgstr ""
 
-#: src/error.c:81
+#: src/error.c:85
 msgid "temp path is not set with in the ctx"
 msgstr ""
 
-#: src/error.c:82
+#: src/error.c:86
 msgid "root path is not set with in the ctx"
 msgstr ""
 
-#: src/error.c:83
+#: src/error.c:87
 #, c-format
 msgid "failed to set the ctx temp director to %s: %s"
 msgstr ""
 
-#: src/error.c:84
+#: src/error.c:88
 #, c-format
 msgid "failed to set the ctx root directory to %s: %s"
 msgstr ""
 
-#: src/error.c:85
+#: src/error.c:89
 #, c-format
 msgid "failed to set the ctx data directory to %s: %s"
 msgstr ""
 
-#: src/error.c:86
+#: src/error.c:90
 msgid "pool did not respond ping with pong"
 msgstr ""
 
-#: src/error.c:87
+#: src/error.c:91
 msgid "package file and directory paths are empty"
 msgstr ""
 
-#: src/error.c:88
+#: src/error.c:92
 msgid "failed to to open target file for sending"
 msgstr ""
 
-#: src/error.c:89
+#: src/error.c:93
 msgid "failed to to delete target file for receiving"
 msgstr ""
 
-#: src/error.c:90
+#: src/error.c:94
 msgid "failed to to open target file for receiving"
 msgstr ""
 
-#: src/error.c:91
+#: src/error.c:95
 msgid "got a bad response code for receiving the target file"
 msgstr ""
 
-#: src/error.c:92
+#: src/error.c:96
 msgid "failed to write to the target file for receiving"
 msgstr ""
 
-#: src/error.c:93
+#: src/error.c:97
 #, fuzzy
 msgid "package not found"
 msgstr "URL hostname is too large"
 
-#: src/error.c:94
+#: src/error.c:98
 msgid "failed to access to the database file/directory"
 msgstr ""
 
-#: src/error.c:95
+#: src/error.c:99
 msgid "failed to open SQLite database"
 msgstr ""
 
-#: src/error.c:96
+#: src/error.c:100
 msgid "failed to create table in SQLite database"
 msgstr ""
 
-#: src/error.c:97
+#: src/error.c:101
 msgid "failed to prepare statement for SQLite database"
 msgstr ""
 
-#: src/error.c:98
+#: src/error.c:102
 msgid "failed to insert to the table in SQLite database"
 msgstr ""
 
-#: src/error.c:99
+#: src/error.c:103
 msgid "failed to select from the table in SQLite database"
 msgstr ""
 
-#: src/error.c:100
+#: src/error.c:104
 msgid "failed to delete from the table in SQLite database"
 msgstr ""
 
-#: src/error.c:101
+#: src/error.c:105
 msgid "failed to find entry in SQLite database"
 msgstr ""
 
-#: src/error.c:102
+#: src/error.c:106
 msgid "failed to init GPG for package verification"
 msgstr ""
 
-#: src/error.c:103
+#: src/error.c:107
 msgid "failed to import signature to GPG for package verification"
 msgstr ""
 
-#: src/error.c:104
+#: src/error.c:108
 msgid "failed to import archive to GPG for package verification"
 msgstr ""
 
-#: src/error.c:105
+#: src/error.c:109
 msgid "package signature verification failed with zero matches"
 msgstr ""
 
-#: src/error.c:106
+#: src/error.c:110
 msgid "package signature verification failed with zero results"
 msgstr ""
 
-#: src/error.c:107
+#: src/error.c:111
 msgid "pool file and directory paths are empty"
 msgstr ""
 
-#: src/error.c:108
+#: src/error.c:112
 msgid "pool is not avaliable for connection"
 msgstr ""
 
-#: src/error.c:109
+#: src/error.c:113
 msgid "pool URL is empty or invalid"
 msgstr ""
 
-#: src/error.c:110
+#: src/error.c:114
 msgid "pool directory path is not accessible"
 msgstr ""
 
-#: src/error.c:111
+#: src/error.c:115
 msgid "pool directory sub-paths are not accessible"
 msgstr ""
 
-#: src/error.c:112
+#: src/error.c:116
 msgid "file list not found for the package"
 msgstr ""
 
-#: src/error.c:113
+#: src/error.c:117
 #, c-format
 msgid "failed to rename the file list for the package: %s"
 msgstr ""
 
-#: src/error.c:114
+#: src/error.c:118
 #, c-format
 msgid "failed to open the package file list: %s"
 msgstr ""
 
-#: src/error.c:115
+#: src/error.c:119
 #, c-format
 msgid "failed to open the database directory: %s"
 msgstr ""
 
-#: src/error.c:116
+#: src/error.c:120
 #, c-format
 msgid "failed to remove package file list: %s"
 msgstr ""
 
-#: src/error.c:117
+#: src/error.c:121
 msgid "package keep list not found in the database"
 msgstr ""
 
-#: src/error.c:118
+#: src/error.c:122
 msgid "failed to open package keep list in the database"
 msgstr ""
 
-#: src/error.c:119
+#: src/error.c:123
 msgid "failed to access package keep list database directory"
 msgstr ""
 
-#: src/error.c:120
+#: src/error.c:124
 msgid "failed to remove package keep list from the database"
 msgstr ""
 
-#: src/error.c:121
+#: src/error.c:125
 #, c-format
 msgid "failed to find %s (dependency of %s)"
 msgstr ""
 
-#: src/error.c:122
+#: src/error.c:126
 #, c-format
 msgid "failed to download %s for installation: %s"
 msgstr ""
 
-#: src/error.c:123
+#: src/error.c:127
 #, fuzzy
 msgid "package is not downloaded"
 msgstr "URL hostname is too large"
 
-#: src/error.c:124 src/error.c:125
+#: src/error.c:128 src/error.c:129
 msgid "failed to remove downloaded package"
 msgstr ""
 
-#: src/error.c:126
+#: src/error.c:130
 msgid "failed to open the destination file"
 msgstr ""
 
-#: src/error.c:127
+#: src/error.c:131
 msgid "failed to open the source file"
 msgstr ""
 
-#: src/error.c:128 src/error.c:129
+#: src/error.c:132 src/error.c:133
 msgid "failed to write to the destination file"
 msgstr ""
 
-#: src/error.c:130
+#: src/error.c:134
 msgid "package does not have associated pool"
 msgstr ""
 
-#: src/error.c:131
+#: src/error.c:135
 msgid "failed to create specified temp directory"
 msgstr ""
 
-#: src/error.c:132
+#: src/error.c:136
 msgid "package archive does not contain required files"
 msgstr ""
 
-#: src/error.c:133
+#: src/error.c:137
 msgid "package data does not match with target package"
 msgstr ""
 
-#: src/error.c:134
+#: src/error.c:138
 #, c-format
 msgid "failed to update changes file for package: %s"
 msgstr ""
 
-#: src/error.c:135
+#: src/error.c:139
 msgid "failed to access package hashes file"
 msgstr ""
 
-#: src/error.c:136
+#: src/error.c:140
 msgid "failed to remove package changes file from the database"
 msgstr ""
 
-#: src/error.c:137
+#: src/error.c:141
 msgid "failed to stat target file for sending"
 msgstr ""
 
-#: src/error.c:138
+#: src/error.c:142
 msgid "failed to format target file size for sending"
 msgstr ""
 
-#: src/error.c:139
+#: src/error.c:143
 msgid "failed to read target file size for sending"
 msgstr ""
 
-#: src/error.c:140
+#: src/error.c:144
 msgid "failed to parse target file size for receiving"
 msgstr ""
 
-#: src/error.c:141
+#: src/error.c:145
 msgid "target file is not fully received"
 msgstr ""
 
-#: src/error.c:142
+#: src/error.c:146
 msgid "failed to stat for target extract archive"
 msgstr ""
 
-#: src/error.c:143
+#: src/error.c:147
 #, c-format
 msgid "failed to add package file (%s) to the database: %s"
 msgstr ""
 
-#: src/error.c:144
+#: src/error.c:148
 #, c-format
 msgid "failed to extract package files: %s"
 msgstr ""
 
-#: src/error.c:145
+#: src/error.c:149
 #, c-format
 msgid "failed to add package to the database: %s"
 msgstr ""
 
-#: src/error.c:146
+#: src/error.c:150
 #, fuzzy
 msgid "package is already installed"
 msgstr "URL hostname is too large"
 
-#: src/error.c:147
+#: src/error.c:151
 #, fuzzy
 msgid "package is not installed"
 msgstr "URL hostname is too large"
 
-#: src/error.c:148
+#: src/error.c:152
 #, c-format
 msgid "failed to remove package file (%s): %s"
 msgstr ""
 
-#: src/error.c:149
+#: src/error.c:153
 #, c-format
 msgid "failed to remove package from the database: %s"
 msgstr ""
 
-#: src/error.c:150
+#: src/error.c:154
 #, c-format
 msgid "failed to remove package files from the database: %s"
 msgstr ""
 
-#: src/error.c:151
+#: src/error.c:155
 #, c-format
 msgid "failed to remove changes file for package: %s"
 msgstr ""
 
-#: src/error.c:152
+#: src/error.c:156
 msgid "failed to get current directory for running install"
 msgstr ""
 
-#: src/error.c:153
+#: src/error.c:157
 msgid "failed change directory to root for running install"
 msgstr ""
 
-#: src/error.c:154
+#: src/error.c:158
 msgid "failed run install spawn command"
 msgstr ""
 
-#: src/error.c:156
+#: src/error.c:160
 msgid "failed to change directory to old directory after running install"
 msgstr ""
 
-#: src/error.c:157
+#: src/error.c:161
 msgid "install script returned a bad status code"
 msgstr ""
 
-#: src/error.c:158
+#: src/error.c:162
 #, c-format
 msgid "failed to run the package install script: %s"
 msgstr ""
 
-#: src/error.c:159
+#: src/error.c:163
 #, c-format
 msgid "failed to save the package install script: %s"
 msgstr ""
 
-#: src/error.c:160
+#: src/error.c:164
 #, c-format
 msgid "removing package breaks %s"
 msgstr ""
 
-#: src/error.c:161
+#: src/error.c:165
 #, fuzzy
 msgid "package is already up-to-date"
 msgstr "URL hostname is too large"
 
-#: src/error.c:162
+#: src/error.c:166
 msgid "failed to open file for hashing"
 msgstr ""
 
-#: src/error.c:163
+#: src/error.c:167
 msgid "failed create digest for hashing"
 msgstr ""
 
-#: src/error.c:164
+#: src/error.c:168
 #, c-format
 msgid "failed to get hash of %s: %s"
 msgstr ""
 
-#: src/error.c:165
+#: src/error.c:169
 #, c-format
 msgid "file hash does not match for %s"
 msgstr ""
 
-#: src/error.c:166
+#: src/error.c:170
 #, fuzzy
 msgid "pool info is not loaded"
 msgstr "URL hostname is too large"
 
-#: src/error.c:167
+#: src/error.c:171
 msgid "pool list is empty"
 msgstr ""
 
-#: src/error.c:168
+#: src/error.c:172
 msgid "package changes file not found in the database"
 msgstr ""
 
-#: src/error.c:169
+#: src/error.c:173
 msgid "failed to change mod of the changes file"
 msgstr ""
 
-#: src/error.c:170
+#: src/error.c:174
 msgid "failed to create install script save directory"
 msgstr ""
 
-#: src/error.c:171
-msgid "directory does not have write permissions"
+#: src/error.c:175
+msgid "directory does not have read permissions"
 msgstr ""
 
-#: src/error.c:172
+#: src/error.c:176
 msgid "specified path is not a directory"
 msgstr ""
 
-#: src/error.c:173
+#: src/error.c:177
 msgid "failed to create the specified directory"
 msgstr ""
 
-#: src/error.c:174
+#: src/error.c:178
 msgid "specified list extraction directory is not accessible"
 msgstr ""
 
-#: src/error.c:175
+#: src/error.c:179
 #, c-format
 msgid "file does not exist: %s"
 msgstr ""
 
-#: src/error.c:176
+#: src/error.c:180
 #, c-format
 msgid "file is a symbolic link: %s"
 msgstr ""
 
-#: src/error.c:177
-msgid "failed to set the package archive"
-msgstr ""
-
-#: src/error.c:178
-#, c-format
-msgid "failed change directory: %s"
-msgstr ""
-
-#: src/error.c:179
-msgid "failed to change directory to root during extraction"
-msgstr ""
-
-#: src/error.c:180
-msgid "failed to change directory back from root during extraction"
-msgstr ""
-
 #: src/error.c:181
-#, c-format
-msgid "failed to accept the MPTP connection: %s"
+msgid "failed to set the package archive"
 msgstr ""
 
 #: src/error.c:182
 #, c-format
-msgid "failed to listen the MPTP socket: %s"
+msgid "failed change directory: %s"
 msgstr ""
 
 #: src/error.c:183
+msgid "failed to change directory to root during extraction"
+msgstr ""
+
+#: src/error.c:184
+msgid "failed to change directory back from root during extraction"
+msgstr ""
+
+#: src/error.c:185
+#, c-format
+msgid "failed to accept the MPTP connection: %s"
+msgstr ""
+
+#: src/error.c:186
+#, c-format
+msgid "failed to listen the MPTP socket: %s"
+msgstr ""
+
+#: src/error.c:187
 #, c-format
 msgid "pool name (%s) doesn't match with: %s"
 msgstr ""
 
-#: src/error.c:184
+#: src/error.c:188
 #, c-format
 msgid "unknown key in the configuration: %s"
 msgstr ""

src/ctx/ctx.c

@@ -3,15 +3,16 @@
 #include "../../include/ctx.h"
 
 #include <linux/limits.h>
+#include <strings.h>
 #include <stdbool.h>
 #include <stdlib.h>
 #include <locale.h>
 #include <string.h>
 #include <stdio.h>
-#include <strings.h>
+#include <errno.h>
 
 bool __lm_ctx_init_checkdir(char *path){
-  if(!mkdir_ifnot(path)){
+  if(!mkdir_ifnot(path, 0755)){
     lm_error_set(LM_ERR_FailMkdir);
     return false;
   }
@@ -21,8 +22,8 @@ bool __lm_ctx_init_checkdir(char *path){
     return false;
   }
 
-  if(!can_write(path)){
-    lm_error_set(LM_ERR_NoWrite);
+  if(!can_read(path)){
+    lm_error_set(LM_ERR_NoRead);
     return false;
   }
 
@@ -63,6 +64,12 @@ bool lm_ctx_new(lm_ctx_t *ctx, char *root_dir, char *temp_dir, char *data_dir) {
     goto end;
   }
 
+  if(root_dir != NULL && !can_write(root_dir)){
+    pdebug(__func__, "check failed for specified root directory: %s", lm_strerror());
+    lm_error_set(LM_ERR_CtxRootFail, root_dir, "directory is not writeable");
+    goto end;
+  }
+
   if(root_dir != NULL)
     ctx->root = realpath(root_dir, NULL);
 
@@ -94,6 +101,8 @@ end:
 
 void lm_ctx_free(lm_ctx_t *ctx) {
   lm_ctx_pool_clear(ctx);
+  lm_ctx_temp_clear(ctx);
+
   free(ctx->data);
   free(ctx->root);
   free(ctx->temp);

src/ctx/install.c

@@ -29,7 +29,7 @@ bool __lm_ctx_save_install(lm_ctx_t *ctx, lm_pkg_t *pkg, char *install_path){
   sprintf(script_name, "install_%s", pkg->data.name);
   join(script_dir, ctx->data, "scripts");
 
-  if(!mkdir_ifnot(script_dir)){
+  if(!mkdir_ifnot(script_dir, 0755)){
     lm_error_set(LM_ERR_InstallDirFail);
     return false;
   }
@@ -229,10 +229,8 @@ bool lm_ctx_install(lm_ctx_t *ctx, lm_pkg_t *pkg, bool run_install, lm_ctx_insta
     return false;
   }
 
-  if(!mkdir_ifnot(ctx->temp)){
-    lm_error_set(LM_ERR_CtxTempFailMkdir);
-    return false;
-  }
+  if(!lm_ctx_temp_clear(ctx))
+    return false; // error set by function
 
   if(!lm_ctx_database_init(ctx))
     return false; // error set by function
@@ -386,7 +384,10 @@ end:
     lm_database_files_del(ctx->db, &pkg->data);
   }
 
-  unlink(pkg->archive);
-  unlink(pkg->signature);
+  if (pkg->pool != NULL){
+    unlink(pkg->archive);
+    unlink(pkg->signature);
+  }
+
   return ret;
 }

src/ctx/list.c

@@ -41,9 +41,14 @@ lm_pkg_t *lm_ctx_list_next(lm_ctx_list_t *list){
     return list->pkg;
   }
 
-  if((list->pkg = list->pkg->next) && NULL == list->pkg){
-    if((list->pool = list->pool->next) != NULL)
-      list->pkg = list->pool->pkg;
+  if((list->pkg = list->pkg->next) == NULL){
+  next_pool:
+    if((list->pool = list->pool->next) == NULL)
+      return list->pkg;
+
+    if((list->pkg = list->pool->pkg) == NULL)
+      goto next_pool;
+
     return list->pkg;
   }
 

src/ctx/resolve.c

@@ -20,18 +20,23 @@ bool __lm_ctx_resolve_contains(lm_pkg_t *pkg, lm_ctx_resolve_list_t *list){
 }
 
 bool __lm_ctx_resolve(lm_ctx_t *ctx, lm_ctx_resolve_list_t *list, lm_pkg_t *pkg, bool resolve_depends){
-  if(__lm_ctx_resolve_contains(pkg, list))
+  if(__lm_ctx_resolve_contains(pkg, list)){
+    pdebug(__func__, "%s is already in the list, skipping", pkg->data.name);
     return true;
+  }
 
   if(NULL == list->packages)
     list->packages = malloc(sizeof(lm_pkg_t *)*(++list->count));
   else
     list->packages = realloc(list->packages, sizeof(lm_pkg_t *)*(++list->count));
 
+  pdebug(__func__, "adding %s to the list", pkg->data.name);
   list->packages[list->count-1] = pkg;
 
-  if(!resolve_depends || NULL == pkg->data.depends)
+  if(!resolve_depends || NULL == pkg->data.depends){
+    pdebug(__func__, "skipping depend resolve for %s", pkg->data.name);
     return true;
+  }
   
   lm_pkg_t *depend = NULL;
 

src/ctx/sync.c

@@ -25,7 +25,7 @@ bool __lm_ctx_sync_callback(char *path, size_t current, size_t total, void *data
   return cbdata->callback(cbdata->ctx, cbdata->pool, cbdata->state, current, total, data);
 }
 
-size_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callback, void *data){
+ssize_t lm_ctx_sync(lm_ctx_t *ctx, bool do_update, lm_ctx_sync_callback_t callback, void *data){
   if(NULL == ctx) {
     lm_error_set(LM_ERR_ArgNULL);
     return -1;

src/ctx/temp.c

@@ -19,7 +19,7 @@ char *lm_ctx_temp_dir(lm_ctx_t *ctx, char *dir){
   char td[strlen(ctx->temp)+strlen(dir)+10];
   join(td, ctx->temp, dir);
 
-  if(!mkdir_ifnot(td)){
+  if(!mkdir_ifnot(td, 0755)){
     lm_error_set(LM_ERR_CtxTempFailMkdir);
     return NULL;
   }
@@ -35,11 +35,10 @@ bool lm_ctx_temp_clear(lm_ctx_t *ctx) {
   
   rmrf(ctx->temp);
 
-  if(!mkdir_ifnot(ctx->temp)){
+  if(!mkdir_ifnot(ctx->temp, 0755)){
     lm_error_set(LM_ERR_CtxTempFailMkdir);
     return false;
   }
 
   return true;
 }
-

src/database/database.c

@@ -38,12 +38,12 @@ lm_database_t *lm_database_new(char *path){
   char *err = NULL;
   bzero(db, sizeof(lm_database_t));
 
-  if(exists(path, NULL) && (is_file(path) || !can_read(path) || !can_write(path))){
+  if(exists(path, NULL) && (is_file(path) || !can_read(path))){
     lm_error_set(LM_ERR_DbCantAccess);
     return NULL;
   }
 
-  if(!exists(path, NULL) && !mkdir_ifnot(path)){
+  if(!exists(path, NULL) && !mkdir_ifnot(path, 0755)){
     lm_error_set(LM_ERR_DbCantAccess);
     return NULL;
   }
@@ -58,7 +58,7 @@ lm_database_t *lm_database_new(char *path){
     return NULL;
   }
 
-  if(sqlite3_exec(db->sql, queries[QUERY_CREATE_TABLE], NULL, 0, &err) != SQLITE_OK){
+  if(can_write(path) && sqlite3_exec(db->sql, queries[QUERY_CREATE_TABLE], NULL, 0, &err) != SQLITE_OK){
     pdebug(__func__, "(%s) failed to create packages table: %s", packagesdb, err);
     lm_error_set(LM_ERR_DbSqlCreateFail);
     sqlite3_free(err);

src/error.c

@@ -73,10 +73,14 @@ void lm_error_set(lm_error_t code, ...) {
       {.code = LM_ERR_ArcNextHeaderFail,       .desc = _("failed to read the next header of the archive")              },
       {.code = LM_ERR_GetCwdFail,              .desc = _("failed to obtain current working directory")                 },
       {.code = LM_ERR_PoolListDirFail,         .desc = _("failed to open extracted pool list directory")               },
+      {.code = LM_ERR_PoolListDataFail,        .desc = _("failed to load \"%s\" data: %s")                             },
+      {.code = LM_ERR_PoolListAddFail,         .desc = _("failed add \"%s\" to the pool list: %s")                     },
       {.code = LM_ERR_PoolListCantRead,        .desc = _("failed to read access the pool list file")                   },
       {.code = LM_ERR_PoolInfoCantRead,        .desc = _("failed to read access the pool info file")                   },
       {.code = LM_ERR_PkgDataBad,              .desc = _("failed to parse package data")                               },
       {.code = LM_ERR_PkgBadName,              .desc = _("package name is invalid")                                    },
+      {.code = LM_ERR_PkgBadVersion,           .desc = _("package version is invalid")                                 },
+      {.code = LM_ERR_PkgDataMissing,          .desc = _("package data has missing field: %s")                         },
       {.code = LM_ERR_CtxDataNULL,             .desc = _("data path is not set with in the ctx")                       },
       {.code = LM_ERR_CtxTempNULL,             .desc = _("temp path is not set with in the ctx")                       },
       {.code = LM_ERR_CtxRootNULL,             .desc = _("root path is not set with in the ctx")                       },
@@ -168,7 +172,7 @@ void lm_error_set(lm_error_t code, ...) {
       {.code = LM_ERR_DbChangesNotExists,      .desc = _("package changes file not found in the database")             },
       {.code = LM_ERR_DbChangesChmodFail,      .desc = _("failed to change mod of the changes file")                   },
       {.code = LM_ERR_InstallDirFail,          .desc = _("failed to create install script save directory")             },
-      {.code = LM_ERR_NoWrite,                 .desc = _("directory does not have write permissions")                  },
+      {.code = LM_ERR_NoRead,                  .desc = _("directory does not have read permissions")                   },
       {.code = LM_ERR_NotDir,                  .desc = _("specified path is not a directory")                          },
       {.code = LM_ERR_FailMkdir,               .desc = _("failed to create the specified directory")                   },
       {.code = LM_ERR_PoolListBadDir,          .desc = _("specified list extraction directory is not accessible")      },

src/package/data.c

@@ -12,8 +12,10 @@ int lm_package_data_handler(void *_data, const char *_section, const char *_key,
   lm_pkg_data_t *data = _data;
 
   if(NULL == data->name){
-    if(!package_name_valid(section))
+    if(!package_name_valid(section)){
+      lm_error_set(LM_ERR_PkgBadName);
       return 0;
+    }
     data->name = strdup(section);
   }
 
@@ -24,8 +26,10 @@ int lm_package_data_handler(void *_data, const char *_section, const char *_key,
     data->desc = strdup(value);
   
   else if(eq(key, PKG_DATA_VERSION)){
-    if(!package_version_valid(value))
+    if(!package_version_valid(value)){
+      lm_error_set(LM_ERR_PkgBadVersion);
       return 0;
+    }
     data->version = strdup(value);
   }
   
@@ -47,13 +51,26 @@ int lm_package_data_handler(void *_data, const char *_section, const char *_key,
 
 bool lm_package_data_load(lm_pkg_data_t *data, char *file){
   lm_package_data_free(data);
+  lm_error_clear();
 
   if (ini_parse(file, lm_package_data_handler, data) < 0) {
     lm_error_set(LM_ERR_PkgDataBad);
     return false;
   }
 
-  return true;
+  if(LM_ERR_NoError != lm_error())
+    return false;
+
+  if(NULL == data->name)
+    lm_error_set(LM_ERR_PkgDataMissing, "name");
+  else if(NULL == data->desc)
+    lm_error_set(LM_ERR_PkgDataMissing, "desc");
+  else if(NULL == data->version)
+    lm_error_set(LM_ERR_PkgDataMissing, "version");
+  else if(0 == data->size)
+    lm_error_set(LM_ERR_PkgDataMissing, "size");
+
+  return LM_ERR_NoError == lm_error();
 }
 
 void lm_package_data_free(lm_pkg_data_t *data){
@@ -62,5 +79,5 @@ void lm_package_data_free(lm_pkg_data_t *data){
   free(data->version);
   lm_package_data_depend_free(data);
   lm_package_data_keep_free(data);
-  bzero(&data, sizeof(lm_pkg_data_t));
+  bzero(data, sizeof(lm_pkg_data_t));
 }

src/pool/info.c

@@ -89,7 +89,7 @@ bool lm_pool_info_download(lm_pool_t *pool, lm_mptp_transfer_callback_t callback
     return false;
   }
 
-  if(!mkdir_ifnot(pool->dir)){
+  if(!mkdir_ifnot(pool->dir, 0755)){
     lm_error_set(LM_ERR_PoolBadDir);
     return false;
   }

src/pool/list.c

@@ -30,12 +30,12 @@ bool lm_pool_list_load(lm_pool_t *pool, char *dir){
 
   pdebug(__func__, "(%s) extracting pool to %s", pool->name, dir);
 
-  if(!mkdir_ifnot(pool->dir)){
+  if(!mkdir_ifnot(pool->dir, 0755)){
     lm_error_set(LM_ERR_PoolBadDir);
     return false;
   }
 
-  if(!mkdir_ifnot(dir)){
+  if(!mkdir_ifnot(dir, 0755)){
     lm_error_set(LM_ERR_PoolListBadDir);
     return false;
   }
@@ -64,15 +64,23 @@ bool lm_pool_list_load(lm_pool_t *pool, char *dir){
     lm_pkg_t *pkg = lm_package_new();
 
     if(!lm_package_data_load(&pkg->data, datap)){
-      pdebug(__func__, "(%s) failed to load new package from %s", pool->name, datap);
+      pdebug(__func__, "(%s) failed to load new package from %s: %s", pool->name, datap, lm_strerror());
+      if(NULL != pkg->data.name){
+        char *suberr = lm_strerror_dup();
+        lm_error_set(LM_ERR_PoolListDataFail, pkg->data.name, suberr);
+        free(suberr);
+      }
       lm_package_free(pkg);
-      continue;
+      goto end;
     }
 
     if(!lm_pool_package_add(pool, pkg)){
-      pdebug(__func__, "(%s) failed to add new package: %s", pool->name, pkg->data.name);
+      pdebug(__func__, "(%s) failed to add package %s: %s", pool->name, pkg->data.name, lm_strerror());
+      char *suberr = lm_strerror_dup();
+      lm_error_set(LM_ERR_PoolListAddFail, pkg->data.name, suberr);
+      free(suberr);
       lm_package_free(pkg);
-      continue;
+      goto end;
     }
 
     pdebug(__func__, "(%s) added new package: %s", pool->name, pkg->data.name);
@@ -102,7 +110,7 @@ bool lm_pool_list_download(lm_pool_t *pool, char *dir, lm_mptp_transfer_callback
     return false;
   }
 
-  if(!mkdir_ifnot(pool->dir)){
+  if(!mkdir_ifnot(pool->dir, 0755)){
     lm_error_set(LM_ERR_PoolBadDir);
     return false;
   }

src/pool/path.c

@@ -17,7 +17,7 @@ bool lm_pool_path_set_dir(lm_pool_t *pool, char *dir){
   if(NULL == dir)
     return true;
 
-  if(exists(dir, NULL) && (is_file(dir) || !can_read(dir) || !can_write(dir))){
+  if(exists(dir, NULL) && (is_file(dir) || !can_read(dir))){
     lm_error_set(LM_ERR_PoolBadDir);
     return false;
   }
@@ -26,12 +26,12 @@ bool lm_pool_path_set_dir(lm_pool_t *pool, char *dir){
   pool->info_file = join_alloc(dir, "INFO"); 
   pool->list_file = join_alloc(dir, "LIST"); 
   
-  if(exists(pool->info_file, NULL) && (!is_file(pool->info_file) || !can_read(pool->info_file) || !can_write(pool->info_file))){
+  if(exists(pool->info_file, NULL) && (!is_file(pool->info_file) || !can_read(pool->info_file))){
     lm_error_set(LM_ERR_PoolBadPaths);
     return false;
   }
   
-  if(exists(pool->list_file, NULL) && (!is_file(pool->list_file) || !can_read(pool->list_file) || !can_write(pool->list_file))){
+  if(exists(pool->list_file, NULL) && (!is_file(pool->list_file) || !can_read(pool->list_file))){
     lm_error_set(LM_ERR_PoolBadPaths);
     return false;
   }

src/util.c

@@ -278,20 +278,12 @@ bool can_write(char *path) {
   return access(path, W_OK) == 0;
 }
 
-bool mkdir_ifnot(char *path) {
-  return !(mkdir(path, 0700) < 0 && errno != EEXIST);
+bool mkdir_ifnot(char *path, int mode) {
+  return !(mkdir(path, mode) < 0 && errno != EEXIST);
 }
 
-bool package_name_valid(char *name) {
-  for (char *c = name; *c != 0; c++) {
-    if (!is_digit(*c) && !is_letter(*c) && *c != '-' && *c != '.')
-      return false;
-  }
-  return true;
-}
-
-bool package_version_valid(char *version) {
-  for (char *c = version; *c != 0; c++) {
+bool __package_field_valid(char *field) {
+  for (char *c = field; *c != 0; c++) {
     if (!is_digit(*c) && !is_letter(*c) && *c != '-' && *c != '+' && *c != '.')
       return false;
   }