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1 | /* |
2 | * Unix PuTTY main program. |
3 | */ |
4 | |
5 | #include <stdio.h> |
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6 | #include <ctype.h> |
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7 | #include <stdlib.h> |
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8 | #include <assert.h> |
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9 | #include <unistd.h> |
10 | |
11 | #include "putty.h" |
12 | #include "storage.h" |
13 | |
14 | /* |
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15 | * TODO: |
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16 | * |
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17 | * - Copy-and-paste from the Event Log. |
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18 | * |
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19 | * - Remainder of the context menu: |
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20 | * |
21 | * - New Session and Duplicate Session (perhaps in pterm, in fact?!) |
22 | * + Duplicate Session will be fun, since we must work out |
23 | * how to pass the config data through. |
24 | * + In fact this should be easier on Unix, since fork() is |
25 | * available so we need not even exec (this also saves us |
26 | * the trouble of scrabbling around trying to find our own |
27 | * binary). Possible scenario: respond to Duplicate |
28 | * Session by forking. Parent continues as before; child |
29 | * unceremoniously frees all extant resources (backend, |
30 | * terminal, ldisc, frontend etc) and then _longjmps_ (I |
31 | * kid you not) back to a point in pt_main() which causes |
32 | * it to go back round to the point of opening a new |
33 | * terminal window and a new backend. |
34 | * + A tricky bit here is how to free everything without |
35 | * also _destroying_ things - calling GTK to free up |
36 | * existing widgets is liable to send destroy messages to |
37 | * the X server, which won't go down too well with the |
38 | * parent process. exec() is a much cleaner solution to |
39 | * this bit, but requires us to invent some ghastly IPC as |
40 | * we did in Windows PuTTY. |
41 | * + Arrgh! Also, this won't work in pterm since we'll |
42 | * already have dropped privileges by this point, so we |
43 | * can't get another pty. Sigh. Looks like exec has to be |
44 | * the way forward then :-/ |
45 | * |
46 | * - Saved Sessions submenu (not in pterm of course) |
47 | * |
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48 | * - Copy All to Clipboard (for what that's worth) |
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49 | */ |
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50 | |
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51 | /* |
52 | * Clean up and exit. |
53 | */ |
54 | void cleanup_exit(int code) |
55 | { |
56 | /* |
57 | * Clean up. |
58 | */ |
59 | sk_cleanup(); |
60 | random_save_seed(); |
61 | exit(code); |
62 | } |
63 | |
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64 | Backend *select_backend(Config *cfg) |
65 | { |
66 | int i; |
67 | Backend *back = NULL; |
68 | for (i = 0; backends[i].backend != NULL; i++) |
69 | if (backends[i].protocol == cfg->protocol) { |
70 | back = backends[i].backend; |
71 | break; |
72 | } |
73 | assert(back != NULL); |
74 | return back; |
75 | } |
76 | |
77 | int cfgbox(Config *cfg) |
78 | { |
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79 | return do_config_box("PuTTY Configuration", cfg, 0); |
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80 | } |
81 | |
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82 | static int got_host = 0; |
83 | |
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84 | const int use_event_log = 1; |
85 | |
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86 | int process_nonoption_arg(char *arg, Config *cfg) |
87 | { |
88 | char *p, *q = arg; |
89 | |
90 | if (got_host) { |
91 | /* |
92 | * If we already have a host name, treat this argument as a |
93 | * port number. NB we have to treat this as a saved -P |
94 | * argument, so that it will be deferred until it's a good |
95 | * moment to run it. |
96 | */ |
97 | int ret = cmdline_process_param("-P", arg, 1, cfg); |
98 | assert(ret == 2); |
99 | } else if (!strncmp(q, "telnet:", 7)) { |
100 | /* |
101 | * If the hostname starts with "telnet:", |
102 | * set the protocol to Telnet and process |
103 | * the string as a Telnet URL. |
104 | */ |
105 | char c; |
106 | |
107 | q += 7; |
108 | if (q[0] == '/' && q[1] == '/') |
109 | q += 2; |
110 | cfg->protocol = PROT_TELNET; |
111 | p = q; |
112 | while (*p && *p != ':' && *p != '/') |
113 | p++; |
114 | c = *p; |
115 | if (*p) |
116 | *p++ = '\0'; |
117 | if (c == ':') |
118 | cfg->port = atoi(p); |
119 | else |
120 | cfg->port = -1; |
121 | strncpy(cfg->host, q, sizeof(cfg->host) - 1); |
122 | cfg->host[sizeof(cfg->host) - 1] = '\0'; |
123 | got_host = 1; |
124 | } else { |
125 | /* |
126 | * Otherwise, treat this argument as a host name. |
127 | */ |
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128 | p = arg; |
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129 | while (*p && !isspace((unsigned char)*p)) |
130 | p++; |
131 | if (*p) |
132 | *p++ = '\0'; |
133 | strncpy(cfg->host, q, sizeof(cfg->host) - 1); |
134 | cfg->host[sizeof(cfg->host) - 1] = '\0'; |
135 | got_host = 1; |
136 | } |
137 | return 1; |
138 | } |
139 | |
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140 | char *make_default_wintitle(char *hostname) |
141 | { |
142 | return dupcat(hostname, " - PuTTY", NULL); |
143 | } |
144 | |
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145 | int main(int argc, char **argv) |
146 | { |
147 | extern int pt_main(int argc, char **argv); |
148 | sk_init(); |
149 | flags = FLAG_VERBOSE | FLAG_INTERACTIVE; |
150 | default_protocol = be_default_protocol; |
151 | /* Find the appropriate default port. */ |
152 | { |
153 | int i; |
154 | default_port = 0; /* illegal */ |
155 | for (i = 0; backends[i].backend != NULL; i++) |
156 | if (backends[i].protocol == default_protocol) { |
157 | default_port = backends[i].backend->default_port; |
158 | break; |
159 | } |
160 | } |
161 | return pt_main(argc, argv); |
162 | } |