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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> |
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8 | #include <ctype.h> |
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9 | #include <gtk/gtk.h> |
10 | #include <gdk/gdkx.h> |
11 | #include <X11/Xlib.h> |
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12 | #include "putty.h" |
13 | #include "storage.h" |
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14 | #include "tree234.h" |
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15 | |
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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 | */ |
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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 | |
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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 | |
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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 | |
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110 | void *open_settings_r(char *sessionname) |
111 | { |
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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; |
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118 | } |
119 | |
120 | char *read_setting_s(void *handle, char *key, char *buffer, int buflen) |
121 | { |
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122 | char *val = get_setting(key); |
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123 | if (!val) |
124 | return NULL; |
125 | else { |
126 | strncpy(buffer, val, buflen); |
127 | buffer[buflen-1] = '\0'; |
128 | return buffer; |
129 | } |
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130 | } |
131 | |
132 | int read_setting_i(void *handle, char *key, int defvalue) |
133 | { |
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134 | char *val = get_setting(key); |
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135 | if (!val) |
136 | return defvalue; |
137 | else |
138 | return atoi(val); |
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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 | } |