Use xsystem() to be consistent. Some minor cleanup too.
[oweals/opkg-lede.git] / libopkg / opkg_cmd.c
index 6ac847a775b0d04862807418eaa45b16a7d84777..f67a2645152866689a8f8336995ae1c110b78979 100644 (file)
@@ -19,6 +19,7 @@
 #include "includes.h"
 #include <dirent.h>
 #include <glob.h>
+#include <fnmatch.h>
 
 #include "opkg_conf.h"
 #include "opkg_cmd.h"
 #include "libbb/libbb.h"
 #include "opkg_utils.h"
 #include "opkg_defines.h"
-
-#include <fnmatch.h>
-
-
 #include "opkg_download.h"
 #include "opkg_install.h"
 #include "opkg_upgrade.h"
 #include "opkg_remove.h"
 #include "opkg_configure.h"
 #include "opkg_message.h"
-
 #include "libopkg.h"
-static void *p_userdata = NULL;
+#include "xsystem.h"
 
 static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv);
 static int opkg_upgrade_cmd(opkg_conf_t *conf, int argc, char **argv);
@@ -110,6 +106,16 @@ static opkg_cmd_t cmds[] = {
      {"whatconflicts", 1, (opkg_cmd_fun_t)opkg_whatconflicts_cmd},
 };
 
+static void print_pkg(pkg_t *pkg)
+{
+       char *version = pkg_version_str_alloc(pkg);
+       if (pkg->description)
+               printf("%s - %s - %s\n", pkg->name, version, pkg->description);
+       else
+               printf("%s - %s\n", pkg->name, version);
+       free(version);
+}
+
 int opkg_state_changed;
 static void write_status_files_if_changed(opkg_conf_t *conf)
 {
@@ -141,38 +147,15 @@ opkg_cmd_t *opkg_cmd_find(const char *name)
      return NULL;
 }
 
-void opkg_print_error_list (opkg_conf_t *conf)
-{
-  if ( error_list ) {
-     reverse_error_list(&error_list);
-
-     printf ("Collected errors:\n");
-     /* Here we print the errors collected and free the list */
-     while (error_list != NULL) {
-           printf (" * %s", error_list->errmsg);
-           error_list = error_list->next;
-
-     }
-     free_error_list();
-  }
-
-}
-
 int opkg_cmd_exec(opkg_cmd_t *cmd, opkg_conf_t *conf, int argc, const char **argv, void *userdata)
 {
        int result;
-       p_userdata = userdata;
-      
 
        result = (cmd->fun)(conf, argc, argv);
 
-        if ( result != 0 && !error_list) {
-           opkg_message(conf, OPKG_NOTICE, "An error occurred, return value: %d.\n", result);
-        }
+       print_error_list();
+       free_error_list();
 
-        opkg_print_error_list (conf);
-
-       p_userdata = NULL;
        return result;
 }
 
@@ -194,7 +177,7 @@ static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
                            "%s: ERROR: %s exists, but is not a directory\n",
                            __FUNCTION__, lists_dir);
               free(lists_dir);
-              return EINVAL;
+              return -1;
          }
          err = file_mkdir_hier(lists_dir, 0755);
          if (err) {
@@ -202,18 +185,16 @@ static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
                            "%s: ERROR: failed to make directory %s: %s\n",
                            __FUNCTION__, lists_dir, strerror(errno));
               free(lists_dir);
-              return EINVAL;
+              return -1;
          }     
      } 
 
      failures = 0;
 
-
-     tmp = strdup ("/tmp/opkg.XXXXXX");
-
+     sprintf_alloc(&tmp, "%s/update-XXXXXX", conf->tmp_dir);
      if (mkdtemp (tmp) == NULL) {
         perror ("mkdtemp");
-        failures++;
+        return -1;
      }
 
 
@@ -249,6 +230,7 @@ static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
                        fclose (out);
                   unlink (tmp_file_name);
              }
+             free(tmp_file_name);
          } else
              err = opkg_download(conf, url, list_file_name, NULL, NULL);
          if (err) {
@@ -259,8 +241,7 @@ static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
                            list_file_name);
          }
          free(url);
-
-#ifdef HAVE_GPGME
+#if defined(HAVE_GPGME) || defined(HAVE_OPENSSL)
           if (conf->check_signature) {
               /* download detached signitures to verify the package lists */
               /* get the url for the sig file */
@@ -273,7 +254,8 @@ static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
               /* create temporary file for it */
               char *tmp_file_name;
 
-              sprintf_alloc (&tmp_file_name, "%s/%s", tmp, "Packages.sig");
+              /* Put the signature in the right place */
+              sprintf_alloc (&tmp_file_name, "%s/%s.sig", lists_dir, src->name);
 
               err = opkg_download(conf, url, tmp_file_name, NULL, NULL);
               if (err) {
@@ -287,7 +269,8 @@ static int opkg_update_cmd(opkg_conf_t *conf, int argc, char **argv)
                   else
                       opkg_message (conf, OPKG_NOTICE, "Signature check failed\n");
               }
-              unlink (tmp_file_name);
+              /* We shouldn't unlink the signature ! */
+              // unlink (tmp_file_name);
               free (tmp_file_name);
               free (url);
           }
@@ -315,36 +298,26 @@ typedef struct opkg_intercept *opkg_intercept_t;
 static opkg_intercept_t opkg_prep_intercepts(opkg_conf_t *conf)
 {
     opkg_intercept_t ctx;
-    char *oldpath;
     char *newpath;
-    int gen;
-
-    ctx = calloc (1, sizeof (*ctx));
-    oldpath = getenv ("PATH");
-    if (oldpath) {
-        ctx->oldpath = strdup (oldpath);
-    } else {
-        ctx->oldpath = 0;
-    }
 
-
-    sprintf_alloc (&newpath, "%s/opkg/intercept:%s", DATADIR, ctx->oldpath);
-    setenv ("PATH", newpath, 1);
-    free (newpath);
-    
-    gen = 0;
- retry:
-    sprintf_alloc (&ctx->statedir, "/tmp/opkg-intercept-%d-%d", getpid (), gen);
-    if (mkdir (ctx->statedir, 0770) < 0) {
-       if (errno == EEXIST) {
-           free (ctx->statedir);
-           gen++;
-           goto retry;
-       }
-       perror (ctx->statedir);
+    ctx = xcalloc(1, sizeof (*ctx));
+    ctx->oldpath = xstrdup(getenv("PATH"));
+    sprintf_alloc(&newpath, "%s/opkg/intercept:%s", DATADIR, ctx->oldpath);
+    sprintf_alloc(&ctx->statedir, "%s/opkg-intercept-XXXXXX", conf->tmp_dir);
+
+    if (mkdtemp(ctx->statedir) == NULL) {
+        fprintf(stderr, "%s: mkdtemp: %s\n", __FUNCTION__, strerror(errno));
+       free(ctx->oldpath);
+       free(ctx->statedir);
+        free(newpath);
+       free(ctx);
        return NULL;
     }
-    setenv ("OPKG_INTERCEPT_DIR", ctx->statedir, 1);
+
+    setenv("OPKG_INTERCEPT_DIR", ctx->statedir, 1);
+    setenv("PATH", newpath, 1);
+    free(newpath);
+
     return ctx;
 }
 
@@ -354,28 +327,21 @@ static int opkg_finalize_intercepts(opkg_intercept_t ctx)
     DIR *dir;
     int err = 0;
 
-    if (ctx->oldpath) {
-        setenv ("PATH", ctx->oldpath, 1);
-        free (ctx->oldpath);
-    } else {
-        unsetenv("PATH"); 
-    }
+    setenv ("PATH", ctx->oldpath, 1);
+    free (ctx->oldpath);
 
     dir = opendir (ctx->statedir);
     if (dir) {
        struct dirent *de;
        while (de = readdir (dir), de != NULL) {
            char *path;
-           
+
            if (de->d_name[0] == '.')
                continue;
            
            sprintf_alloc (&path, "%s/%s", ctx->statedir, de->d_name);
            if (access (path, X_OK) == 0) {
-               if (system (path)) {
-                   err = errno;
-                   perror (de->d_name);
-               }
+               xsystem (path);
            }
            free (path);
        }
@@ -384,7 +350,7 @@ static int opkg_finalize_intercepts(opkg_intercept_t ctx)
        perror (ctx->statedir);
        
     sprintf_alloc (&cmd, "rm -rf %s", ctx->statedir);
-    err = system (cmd);
+    err = xsystem (cmd);
     free (cmd);
 
     free (ctx->statedir);
@@ -450,7 +416,7 @@ static int opkg_recurse_pkgs_in_order(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *
             dependents = abpkg->provided_by->pkgs;
             l = 0;
             if (dependents != NULL)
-                while (dependents [l] != NULL && l < abpkg->provided_by->len) {
+                while (l < abpkg->provided_by->len && dependents[l] != NULL) {
                     opkg_message(conf, OPKG_INFO,
                                  "  Descending on pkg: %s\n", 
                                  dependents [l]->name);
@@ -485,7 +451,7 @@ static int opkg_recurse_pkgs_in_order(opkg_conf_t *conf, pkg_t *pkg, pkg_vec_t *
 
 static int opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
 {
-    pkg_vec_t *all, *ordered, *visited;
+     pkg_vec_t *all, *ordered, *visited;
      int i;
      pkg_t *pkg;
      opkg_intercept_t ic;
@@ -510,8 +476,11 @@ static int opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
          opkg_recurse_pkgs_in_order(conf, pkg, all, visited, ordered);
      }
 
-
      ic = opkg_prep_intercepts (conf);
+     if (ic == NULL) {
+            err = -1;
+            goto error;
+     }
     
      for(i = 0; i < all->len; i++) {
          pkg = all->pkgs[i];
@@ -539,6 +508,7 @@ static int opkg_configure_packages(opkg_conf_t *conf, char *pkg_name)
      if (r && !err)
         err = r;
 
+error:
      pkg_vec_free(all);
      pkg_vec_free(ordered);
      pkg_vec_free(visited);
@@ -589,9 +559,6 @@ static int opkg_install_cmd(opkg_conf_t *conf, int argc, char **argv)
          }
      }
 
-     /* recheck to verify that all dependences are satisfied */
-     if (0) opkg_satisfy_all_dependences(conf);
-
      opkg_configure_packages(conf, NULL);
 
      write_status_files_if_changed(conf);
@@ -653,9 +620,6 @@ static int opkg_upgrade_cmd(opkg_conf_t *conf, int argc, char **argv)
          pkg_vec_free(installed);
      }
 
-     /* recheck to verify that all dependences are satisfied */
-     if (0) opkg_satisfy_all_dependences(conf);
-
      opkg_configure_packages(conf, NULL);
 
      write_status_files_if_changed(conf);
@@ -700,13 +664,10 @@ static int opkg_download_cmd(opkg_conf_t *conf, int argc, char **argv)
 
 static int opkg_list_cmd(opkg_conf_t *conf, int argc, char **argv)
 {
-     int i ;
+     int i;
      pkg_vec_t *available;
      pkg_t *pkg;
-     char desc_short[OPKG_LIST_DESCRIPTION_LENGTH];
-     char *newline;
      char *pkg_name = NULL;
-     char *version_str;
 
      if (argc > 0) {
          pkg_name = argv[0];
@@ -719,24 +680,7 @@ static int opkg_list_cmd(opkg_conf_t *conf, int argc, char **argv)
          /* if we have package name or pattern and pkg does not match, then skip it */
          if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) 
               continue;
-         if (pkg->description) {
-              strncpy(desc_short, pkg->description, OPKG_LIST_DESCRIPTION_LENGTH);
-         } else {
-              desc_short[0] = '\0';
-         }
-         desc_short[OPKG_LIST_DESCRIPTION_LENGTH - 1] = '\0';
-         newline = strchr(desc_short, '\n');
-         if (newline) {
-              *newline = '\0';
-         }
-         if (opkg_cb_list) {
-               version_str = pkg_version_str_alloc(pkg);
-               opkg_cb_list(pkg->name,desc_short,
-                                            version_str,
-                                        pkg->state_status,
-                                        p_userdata);
-               free(version_str);
-         }
+          print_pkg(pkg);
      }
      pkg_vec_free(available);
 
@@ -749,10 +693,7 @@ static int opkg_list_installed_cmd(opkg_conf_t *conf, int argc, char **argv)
      int i ;
      pkg_vec_t *available;
      pkg_t *pkg;
-     char desc_short[OPKG_LIST_DESCRIPTION_LENGTH];
-     char *newline;
      char *pkg_name = NULL;
-     char *version_str;
 
      if (argc > 0) {
          pkg_name = argv[0];
@@ -765,26 +706,11 @@ static int opkg_list_installed_cmd(opkg_conf_t *conf, int argc, char **argv)
          /* if we have package name or pattern and pkg does not match, then skip it */
          if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) 
               continue;
-         if (pkg->description) {
-              strncpy(desc_short, pkg->description, OPKG_LIST_DESCRIPTION_LENGTH);
-         } else {
-              desc_short[0] = '\0';
-         }
-         desc_short[OPKG_LIST_DESCRIPTION_LENGTH - 1] = '\0';
-         newline = strchr(desc_short, '\n');
-         if (newline) {
-              *newline = '\0';
-         }
-         if (opkg_cb_list) {
-               version_str = pkg_version_str_alloc(pkg);
-               opkg_cb_list(pkg->name,desc_short,
-                                            version_str,
-                                        pkg->state_status,
-                                        p_userdata);
-               free(version_str);
-         }
+          print_pkg(pkg);
      }
 
+     pkg_vec_free(available);
+
      return 0;
 }
 
@@ -799,8 +725,7 @@ static int opkg_list_upgradable_cmd(opkg_conf_t *conf, int argc, char **argv)
         _new_pkg = pkg_hash_fetch_best_installation_candidate_by_name(conf, _old_pkg->name, NULL);
         old_v = pkg_version_str_alloc(_old_pkg);
         new_v = pkg_version_str_alloc(_new_pkg);
-        if (opkg_cb_list)
-            opkg_cb_list(_old_pkg->name, new_v, old_v, _old_pkg->state_status, p_userdata);
+        printf("%s - %s - %s\n", _old_pkg->name, old_v, new_v);
         free(old_v);
         free(new_v);
     }
@@ -814,48 +739,33 @@ static int opkg_info_status_cmd(opkg_conf_t *conf, int argc, char **argv, int in
      pkg_vec_t *available;
      pkg_t *pkg;
      char *pkg_name = NULL;
-     char **pkg_fields = NULL;
-     int n_fields = 0;
-     char *buff = NULL; 
 
      if (argc > 0) {
          pkg_name = argv[0];
      }
-     if (argc > 1) {
-         pkg_fields = &argv[1];
-         n_fields = argc - 1;
-     }
 
      available = pkg_vec_alloc();
      if (installed_only)
          pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
      else
          pkg_hash_fetch_available(&conf->pkg_hash, available);
+
      for (i=0; i < available->len; i++) {
          pkg = available->pkgs[i];
          if (pkg_name && fnmatch(pkg_name, pkg->name, 0)) {
               continue;
          }
 
-         buff = pkg_formatted_info(pkg);
-          if ( buff ) {
-              if (opkg_cb_status) opkg_cb_status(pkg->name,
-                                                 pkg->state_status,
-                                                 buff,
-                                                 p_userdata);
-/* 
-   We should not forget that actually the pointer is allocated. 
-   We need to free it :)  ( Thanks florian for seeing the error )
-*/
-               free(buff);
-               buff = NULL;
-          }
+         pkg_formatted_info(stdout, pkg);
+
          if (conf->verbosity > 1) {
               conffile_list_elt_t *iter;
               for (iter = nv_pair_list_first(&pkg->conffiles); iter; iter = nv_pair_list_next(&pkg->conffiles, iter)) {
                    conffile_t *cf = (conffile_t *)iter->data;
                    int modified = conffile_has_been_modified(conf, cf);
-                   opkg_message(conf, OPKG_NOTICE, "conffile=%s md5sum=%s modified=%d\n",
+                   if (cf->value)
+                       opkg_message(conf, OPKG_NOTICE,
+                               "conffile=%s md5sum=%s modified=%d\n",
                                 cf->name, cf->value, modified);
               }
          }
@@ -952,7 +862,7 @@ static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv)
         available = pkg_vec_alloc();
         pkg_hash_fetch_all_installed(&conf->pkg_hash, available);
         for (i=0; i < argc; i++) {
-           pkg_name = calloc(1, strlen(argv[i])+2);
+           pkg_name = xcalloc(1, strlen(argv[i])+2);
            strcpy(pkg_name,argv[i]);
            for (a=0; a < available->len; a++) {
                pkg = available->pkgs[a];
@@ -967,7 +877,7 @@ static int opkg_remove_cmd(opkg_conf_t *conf, int argc, char **argv)
                    pkg_to_remove = pkg_hash_fetch_installed_by_name(&conf->pkg_hash, pkg->name );
                }
         
-               if (pkg == NULL) {
+               if (pkg_to_remove == NULL) {
                    opkg_message(conf, OPKG_ERROR, "Package %s is not installed.\n", pkg->name);
                    continue;
                }
@@ -1106,19 +1016,10 @@ static int opkg_flag_cmd(opkg_conf_t *conf, int argc, char **argv)
 static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv)
 {
      pkg_t *pkg;
-     str_list_t *installed_files;
+     str_list_t *files;
      str_list_elt_t *iter;
      char *pkg_version;
-     size_t buff_len = 8192;
-     size_t used_len;
-     char *buff ;
-
-     buff = (char *)calloc(1, buff_len);
-     if ( buff == NULL ) {
-        fprintf( stderr,"%s: Unable to allocate memory \n",__FUNCTION__);
-        return ENOMEM;
-     }
+
      if (argc < 1) {
          return EINVAL;
      }
@@ -1131,34 +1032,14 @@ static int opkg_files_cmd(opkg_conf_t *conf, int argc, char **argv)
          return 0;
      }
 
-     installed_files = pkg_get_installed_files(pkg);
+     files = pkg_get_installed_files(pkg);
      pkg_version = pkg_version_str_alloc(pkg);
 
-     if (buff) {
-     try_again:
-         used_len = snprintf(buff, buff_len, "Package %s (%s) is installed on %s and has the following files:\n",
-                             pkg->name, pkg_version, pkg->dest->name) + 1;
-         if (used_len > buff_len) {
-              buff_len *= 2;
-              buff = realloc (buff, buff_len);
-              goto try_again;
-         }
-         for (iter = str_list_first(installed_files); iter; iter = str_list_next(installed_files, iter)) {
-              used_len += strlen (iter->data) + 1;
-              while (buff_len <= used_len) {
-                   buff_len *= 2;
-                   buff = realloc (buff, buff_len);
-              }
-              strncat(buff, iter->data, buff_len);
-              strncat(buff, "\n", buff_len);
-         } 
-         if (opkg_cb_list) opkg_cb_list(pkg->name,
-                                        buff,
-                                        pkg_version_str_alloc(pkg),
-                                        pkg->state_status,
-                                        p_userdata);
-         free(buff);
-     }
+     printf("Package %s (%s) is installed on %s and has the following files:\n",
+               pkg->name, pkg_version, pkg->dest->name);
+
+     for (iter=str_list_first(files); iter; iter=str_list_next(files, iter))
+          printf("%s\n", (char *)iter->data);
 
      free(pkg_version);
      pkg_free_installed_files(pkg);
@@ -1452,12 +1333,8 @@ static int opkg_search_cmd(opkg_conf_t *conf, int argc, char **argv)
 
          for (iter = str_list_first(installed_files); iter; iter = str_list_next(installed_files, iter)) {
               installed_file = (char *)iter->data;
-              if (fnmatch(argv[0], installed_file, 0)==0)  {
-                       if (opkg_cb_list) opkg_cb_list(pkg->name, 
-                                                      installed_file, 
-                                                      pkg_version_str_alloc(pkg), 
-                                                      pkg->state_status, p_userdata);
-              }                
+              if (fnmatch(argv[0], installed_file, 0)==0)
+                   print_pkg(pkg);
          }
 
          pkg_free_installed_files(pkg);
@@ -1484,12 +1361,6 @@ static int opkg_compare_versions_cmd(opkg_conf_t *conf, int argc, char **argv)
      }
 }
 
-#ifndef HOST_CPU_STR
-#define HOST_CPU_STR__(X) #X
-#define HOST_CPU_STR_(X) HOST_CPU_STR__(X)
-#define HOST_CPU_STR HOST_CPU_STR_(HOST_CPU_FOO)
-#endif
-
 static int opkg_print_architecture_cmd(opkg_conf_t *conf, int argc, char **argv)
 {
      nv_pair_list_elt_t *l;
@@ -1500,5 +1371,3 @@ static int opkg_print_architecture_cmd(opkg_conf_t *conf, int argc, char **argv)
      }
      return 0;
 }
-
-