| 1 | /* |
| 2 | * uxstore.c: Unix-specific implementation of the interface defined |
| 3 | * in storage.h. |
| 4 | */ |
| 5 | |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <ctype.h> |
| 9 | #include <gtk/gtk.h> |
| 10 | #include <gdk/gdkx.h> |
| 11 | #include <X11/Xlib.h> |
| 12 | #include "putty.h" |
| 13 | #include "storage.h" |
| 14 | #include "tree234.h" |
| 15 | |
| 16 | /* |
| 17 | * For the moment, the only existing Unix utility is pterm and that |
| 18 | * has no GUI configuration at all, so our write routines need do |
| 19 | * nothing. Eventually I suppose these will read and write an rc |
| 20 | * file somewhere or other. |
| 21 | */ |
| 22 | |
| 23 | void *open_settings_w(char *sessionname) |
| 24 | { |
| 25 | return NULL; |
| 26 | } |
| 27 | |
| 28 | void write_setting_s(void *handle, char *key, char *value) |
| 29 | { |
| 30 | } |
| 31 | |
| 32 | void write_setting_i(void *handle, char *key, int value) |
| 33 | { |
| 34 | } |
| 35 | |
| 36 | void close_settings_w(void *handle) |
| 37 | { |
| 38 | } |
| 39 | |
| 40 | /* |
| 41 | * Reading settings, for the moment, is done by retrieving X |
| 42 | * resources from the X display. When we introduce disk files, I |
| 43 | * think what will happen is that the X resources will override |
| 44 | * PuTTY's inbuilt defaults, but that the disk files will then |
| 45 | * override those. This isn't optimal, but it's the best I can |
| 46 | * immediately work out. |
| 47 | */ |
| 48 | |
| 49 | static Display *display; |
| 50 | |
| 51 | struct xrm_string { |
| 52 | char *key; |
| 53 | char *value; |
| 54 | }; |
| 55 | |
| 56 | static tree234 *xrmtree = NULL; |
| 57 | |
| 58 | int xrmcmp(void *av, void *bv) |
| 59 | { |
| 60 | struct xrm_string *a = (struct xrm_string *)av; |
| 61 | struct xrm_string *b = (struct xrm_string *)bv; |
| 62 | return strcmp(a->key, b->key); |
| 63 | } |
| 64 | |
| 65 | void provide_xrm_string(char *string) |
| 66 | { |
| 67 | char *p, *q; |
| 68 | struct xrm_string *xrms, *ret; |
| 69 | |
| 70 | p = q = strchr(string, ':'); |
| 71 | if (!q) { |
| 72 | fprintf(stderr, "pterm: expected a colon in resource string" |
| 73 | " \"%s\"\n", string); |
| 74 | return; |
| 75 | } |
| 76 | q++; |
| 77 | while (p > string && p[-1] != '.' && p[-1] != '*') |
| 78 | p--; |
| 79 | xrms = smalloc(sizeof(struct xrm_string)); |
| 80 | xrms->key = smalloc(q-p); |
| 81 | memcpy(xrms->key, p, q-p); |
| 82 | xrms->key[q-p-1] = '\0'; |
| 83 | while (*q && isspace(*q)) |
| 84 | q++; |
| 85 | xrms->value = dupstr(q); |
| 86 | |
| 87 | if (!xrmtree) |
| 88 | xrmtree = newtree234(xrmcmp); |
| 89 | |
| 90 | ret = add234(xrmtree, xrms); |
| 91 | if (ret) { |
| 92 | /* Override an existing string. */ |
| 93 | del234(xrmtree, ret); |
| 94 | add234(xrmtree, xrms); |
| 95 | } |
| 96 | } |
| 97 | |
| 98 | char *get_setting(char *key) |
| 99 | { |
| 100 | struct xrm_string tmp, *ret; |
| 101 | tmp.key = key; |
| 102 | if (xrmtree) { |
| 103 | ret = find234(xrmtree, &tmp, NULL); |
| 104 | if (ret) |
| 105 | return ret->value; |
| 106 | } |
| 107 | return XGetDefault(display, app_name, key); |
| 108 | } |
| 109 | |
| 110 | void *open_settings_r(char *sessionname) |
| 111 | { |
| 112 | static int thing_to_return_an_arbitrary_non_null_pointer_to; |
| 113 | display = GDK_DISPLAY(); |
| 114 | if (!display) |
| 115 | return NULL; |
| 116 | else |
| 117 | return &thing_to_return_an_arbitrary_non_null_pointer_to; |
| 118 | } |
| 119 | |
| 120 | char *read_setting_s(void *handle, char *key, char *buffer, int buflen) |
| 121 | { |
| 122 | char *val = get_setting(key); |
| 123 | if (!val) |
| 124 | return NULL; |
| 125 | else { |
| 126 | strncpy(buffer, val, buflen); |
| 127 | buffer[buflen-1] = '\0'; |
| 128 | return buffer; |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | int read_setting_i(void *handle, char *key, int defvalue) |
| 133 | { |
| 134 | char *val = get_setting(key); |
| 135 | if (!val) |
| 136 | return defvalue; |
| 137 | else |
| 138 | return atoi(val); |
| 139 | } |
| 140 | |
| 141 | void close_settings_r(void *handle) |
| 142 | { |
| 143 | } |
| 144 | |
| 145 | void del_settings(char *sessionname) |
| 146 | { |
| 147 | } |
| 148 | |
| 149 | void *enum_settings_start(void) |
| 150 | { |
| 151 | return NULL; |
| 152 | } |
| 153 | |
| 154 | char *enum_settings_next(void *handle, char *buffer, int buflen) |
| 155 | { |
| 156 | return NULL; |
| 157 | } |
| 158 | |
| 159 | void enum_settings_finish(void *handle) |
| 160 | { |
| 161 | } |
| 162 | |
| 163 | int verify_host_key(char *hostname, int port, char *keytype, char *key) |
| 164 | { |
| 165 | return 1; /* key does not exist in registry */ |
| 166 | } |
| 167 | |
| 168 | void store_host_key(char *hostname, int port, char *keytype, char *key) |
| 169 | { |
| 170 | } |
| 171 | |
| 172 | void read_random_seed(noise_consumer_t consumer) |
| 173 | { |
| 174 | } |
| 175 | |
| 176 | void write_random_seed(void *data, int len) |
| 177 | { |
| 178 | } |
| 179 | |
| 180 | void cleanup_all(void) |
| 181 | { |
| 182 | } |