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1 | /* |
2 | * Copyright (c) 2014 Ian Sutton <ian@kremlin.cc> |
3 | * |
4 | * Permission to use, copy, modify, and distribute this software for any |
5 | * purpose with or without fee is hereby granted, provided that the above |
6 | * copyright notice and this permission notice appear in all copies. |
7 | * |
8 | * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
9 | * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
10 | * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR |
11 | * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
12 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
13 | * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF |
14 | * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
15 | */ |
16 | |
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17 | #include <unistd.h> |
18 | #include <fcntl.h> |
19 | #include <gio/gio.h> |
20 | |
21 | static GKeyFile *config; |
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22 | static int config_descr; |
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23 | |
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24 | static gchar *data_dir; |
25 | |
26 | static int hostnamed_ispect_xml_descr, hostnamed_dbus_xml_descr; |
27 | static int localed_ispect_xml_descr, localed_dbus_xml_descr; |
28 | static int timedated_ispect_xml_descr, timedated_dbus_xml_descr; |
29 | static int logind_ispect_xml_descr, logind_dbus_xml_descr; |
30 | |
31 | /*TODO depending on builtin xml flag, these should be matched to checksums */ |
32 | static gchar **hostnamed_ispect_xml, hostnamed_dbus_xml; |
33 | static gchar **localed_ispect_xml, localed_dbus_xml; |
34 | static gchar **timedated_ispect_xml, timedated_dbus_xml; |
35 | static gchar **logind_ispect_xml, logind_dbus_xml; |
36 | |
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37 | static const gchar *CONFIG_KEYS[] = { |
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38 | "PrettyHostname", |
39 | "IconName", |
40 | "ChassisType" |
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41 | }; |
42 | |
43 | /* NULL if key doesn't exist */ |
44 | gchar *get_option(gchar *key, gchar *group) { |
45 | |
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46 | if(!group) |
47 | group = "default"; |
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48 | |
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49 | return g_key_file_get_string(config, group, key, NULL); |
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50 | } |
51 | |
52 | /* false if key isn't already defined or value is invalid */ |
53 | gboolean set_option(gchar *key, gchar *value, gchar *group) { |
54 | |
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55 | if(!group) |
56 | group = "default"; |
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57 | |
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58 | if(!g_key_file_get_string(config, group, key, NULL)) |
59 | return FALSE; |
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60 | |
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61 | //TODO safteycheck value |
62 | g_key_file_set_string(config, group, key, value); |
63 | return TRUE; |
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64 | } |
65 | |
66 | /* initial load/check */ |
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67 | gboolean config_init() { |
68 | |
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69 | if(config) |
70 | return TRUE; //already init'd |
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71 | |
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72 | config = g_key_file_new(); |
73 | |
74 | const gchar *config_path; |
75 | GStatBuf *config_lstat; |
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76 | |
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77 | config_path = "/etc/systemd_compat.conf"; |
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78 | |
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79 | /* does conf exist? */ |
80 | if(g_lstat(config_path, config_lstat)) { |
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81 | |
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82 | /* if not, can we write it */ |
83 | if(g_access("/etc/", W_OK)) { |
84 | g_printf("%s\n", "no write permissions for /etc/! exiting.."); |
85 | return FALSE; |
86 | } |
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87 | |
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88 | int config_descr; |
89 | config_descr = g_open(config_path, O_CREAT, 644); |
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90 | |
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91 | gchar *posix_hostname; |
92 | posix_hostname = g_malloc(HOST_NAME_MAX); |
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93 | |
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94 | gethostname(posix_hostname, HOST_NAME_MAX); |
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95 | |
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96 | g_key_file_set_string(config, "hostnamed", "Hostname", posix_hostname); |
97 | g_key_file_set_string(config, "hostnamed", "PrettyHostname", ""); |
98 | g_key_file_set_string(config, "hostnamed", "IconName", "Computer"); |
99 | g_key_file_set_string(config, "hostnamed", "ChassisType", "laptop"); //TODO set these correctly |
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100 | |
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101 | if(!g_key_file_save_to_file(config, config_path, NULL)) { |
102 | g_printf("failed to write config to %s!\n", config_path); |
103 | g_free(posix_hostname); |
104 | return FALSE; |
105 | } |
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106 | |
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107 | g_printf("wrote config to %s\n", config_path); |
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108 | |
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109 | g_free(posix_hostname); |
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110 | |
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111 | return TRUE; |
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112 | |
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113 | /* it does exist, read it */ |
114 | } else { |
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115 | |
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116 | if(!g_access(config_path, W_OK)) { |
117 | g_printf("%s\n", "no write permissions for /etc/! exiting.."); |
118 | return FALSE; |
119 | } else if(g_key_file_load_from_file(config, config_path, G_KEY_FILE_KEEP_COMMENTS, NULL)) |
120 | return TRUE; |
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121 | |
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122 | g_printf("could not read config at %s! exiting..", config_path); |
123 | return FALSE; |
124 | } |
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125 | } |
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126 | } |