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Merge pull request #5 from ipuustin/bug-fixes
Bug fixes.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,4 @@ | ||
| AC_INIT([groupcheck], 0.1) | ||
| AC_INIT([groupcheck], 2.0) | ||
| AM_INIT_AUTOMAKE | ||
| AC_PROG_CC | ||
| AC_CONFIG_FILES(Makefile) | ||
|
|
||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,162 @@ | ||
| /* | ||
| * groupcheck is a minimal polkit replacement for group-based authentication. | ||
| * Copyright (c) 2016, Intel Corporation. | ||
| * | ||
| * This program is free software; you can redistribute it and/or modify it | ||
| * under the terms and conditions of the GNU Lesser General Public License, | ||
| * version 2.1, as published by the Free Software Foundation. | ||
| * | ||
| * This program is distributed in the hope it will be useful, but WITHOUT ANY | ||
| * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS | ||
| * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for | ||
| * more details. | ||
| */ | ||
|
|
||
| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <stdbool.h> | ||
| #include <sys/types.h> | ||
| #include <unistd.h> | ||
| #include <grp.h> | ||
| #include <errno.h> | ||
|
|
||
| #include <systemd/sd-bus.h> | ||
|
|
||
| #include "groupcheck.h" | ||
|
|
||
| int main(int argc, char *argv[]) | ||
| { | ||
| sd_bus *bus = NULL; | ||
| sd_bus_message *msg = NULL, *reply = NULL; | ||
| int r = -1, i; | ||
| const char *action_id; | ||
| const char *name = NULL; | ||
| bool *allowed; | ||
| gid_t supplementary_groups[argc]; | ||
|
|
||
| if (argc < 2) { | ||
| fprintf(stderr, "Usage:\n\ttest_bus <action_id> [group1 group2 ...]\n"); | ||
| return EXIT_FAILURE; | ||
| } | ||
|
|
||
| action_id = argv[1]; | ||
|
|
||
| if (argc > 2) { | ||
| for (i = 0; i < argc-2; i++) { | ||
| struct group *grp; | ||
| grp = getgrnam(argv[i+2]); | ||
| if (grp == NULL) { | ||
| fprintf(stderr, "Error: group '%s' was not found.\n", argv[i+2]); | ||
| goto end; | ||
| } | ||
| supplementary_groups[i] = grp->gr_gid; | ||
| } | ||
| r = setgroups(argc-2, supplementary_groups); | ||
| if (r < 0) { | ||
| fprintf(stderr, "Error setting the supplementary groups: %s\n", strerror(errno)); | ||
| goto end; | ||
| } | ||
| } | ||
|
|
||
| r = sd_bus_open_system(&bus); | ||
| if (r < 0) { | ||
| fprintf(stderr, "Error connecting to the system bus: %s\n", strerror(-r)); | ||
| goto end; | ||
| } | ||
|
|
||
| r = sd_bus_get_unique_name(bus, &name); | ||
| if (r < 0) { | ||
| fprintf(stderr, "Error getting unique name: %s\n", strerror(-r)); | ||
| goto end; | ||
| } | ||
|
|
||
| r = sd_bus_message_new_method_call(bus, | ||
| &msg, | ||
| "org.freedesktop.PolicyKit1", | ||
| "/org/freedesktop/PolicyKit1/Authority", | ||
| "org.freedesktop.PolicyKit1.Authority", | ||
| "CheckAuthorization"); | ||
| if (r < 0) { | ||
| fprintf(stderr, "Error creating method call: %s\n", strerror(-r)); | ||
| goto end; | ||
| } | ||
|
|
||
| r = sd_bus_message_open_container(msg, SD_BUS_TYPE_STRUCT, "sa{sv}"); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "s", "system-bus-name"); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_open_container(msg, SD_BUS_TYPE_ARRAY, "{sv}"); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_open_container(msg, SD_BUS_TYPE_DICT_ENTRY, "sv"); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "s", "name"); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "v", "s", name); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| /* dict entry */ | ||
| r = sd_bus_message_close_container(msg); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| /* array */ | ||
| r = sd_bus_message_close_container(msg); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| /* struct */ | ||
| r = sd_bus_message_close_container(msg); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "s", action_id); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "a{ss}", 0, NULL); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "u", 1); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_message_append(msg, "s", ""); | ||
| if (r < 0) | ||
| goto end; | ||
|
|
||
| r = sd_bus_call(bus, msg, 0, NULL, &reply); | ||
| if (r < 0) { | ||
| fprintf(stderr, "D-Bus method call failed: %s\n", strerror(-r)); | ||
| goto end; | ||
| } | ||
|
|
||
| r = sd_bus_message_enter_container(reply, SD_BUS_TYPE_STRUCT, "bba{ss}"); | ||
| if (r < 0) | ||
| return r; | ||
|
|
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| r = sd_bus_message_read(reply, "b", &allowed); | ||
| if (r < 0) | ||
| return r; | ||
|
|
||
| printf("Permission was %sgranted\n", allowed ? "" : "NOT "); | ||
|
|
||
| end: | ||
|
|
||
| if (r < 0) { | ||
| return EXIT_FAILURE; | ||
| } | ||
|
|
||
| return EXIT_SUCCESS; | ||
| } |
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