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diff --git a/html.c b/html.c index 1237076..36e9a2f 100644 --- a/ html.c+++ b/ html.c |
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@@ -1,252 +1,257 @@ |
1 | /* html.c: helper functions for html output |
1 | /* html.c: helper functions for html output |
2 | * |
2 | * |
3 | * Copyright (C) 2006 Lars Hjemli |
3 | * Copyright (C) 2006 Lars Hjemli |
4 | * |
4 | * |
5 | * Licensed under GNU General Public License v2 |
5 | * Licensed under GNU General Public License v2 |
6 | * (see COPYING for full license text) |
6 | * (see COPYING for full license text) |
7 | */ |
7 | */ |
8 | |
8 | |
9 | #include <unistd.h> |
9 | #include <unistd.h> |
10 | #include <stdio.h> |
10 | #include <stdio.h> |
11 | #include <stdlib.h> |
11 | #include <stdlib.h> |
12 | #include <stdarg.h> |
12 | #include <stdarg.h> |
13 | #include <string.h> |
13 | #include <string.h> |
14 | #include <errno.h> |
14 | #include <errno.h> |
15 | |
15 | |
16 | int htmlfd = STDOUT_FILENO; |
16 | int htmlfd = STDOUT_FILENO; |
17 | |
17 | |
18 | char *fmt(const char *format, ...) |
18 | char *fmt(const char *format, ...) |
19 | { |
19 | { |
20 | static char buf[8][1024]; |
20 | static char buf[8][1024]; |
21 | static int bufidx; |
21 | static int bufidx; |
22 | int len; |
22 | int len; |
23 | va_list args; |
23 | va_list args; |
24 | |
24 | |
25 | bufidx++; |
25 | bufidx++; |
26 | bufidx &= 7; |
26 | bufidx &= 7; |
27 | |
27 | |
28 | va_start(args, format); |
28 | va_start(args, format); |
29 | len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args); |
29 | len = vsnprintf(buf[bufidx], sizeof(buf[bufidx]), format, args); |
30 | va_end(args); |
30 | va_end(args); |
31 | if (len>sizeof(buf[bufidx])) { |
31 | if (len>sizeof(buf[bufidx])) { |
32 | fprintf(stderr, "[html.c] string truncated: %s\n", format); |
32 | fprintf(stderr, "[html.c] string truncated: %s\n", format); |
33 | exit(1); |
33 | exit(1); |
34 | } |
34 | } |
35 | return buf[bufidx]; |
35 | return buf[bufidx]; |
36 | } |
36 | } |
37 | |
37 | |
| |
38 | void html_raw(const char *data, size_t size) |
| |
39 | { |
| |
40 | write(htmlfd, data, size); |
| |
41 | } |
| |
42 | |
38 | void html(const char *txt) |
43 | void html(const char *txt) |
39 | { |
44 | { |
40 | write(htmlfd, txt, strlen(txt)); |
45 | write(htmlfd, txt, strlen(txt)); |
41 | } |
46 | } |
42 | |
47 | |
43 | void htmlf(const char *format, ...) |
48 | void htmlf(const char *format, ...) |
44 | { |
49 | { |
45 | static char buf[65536]; |
50 | static char buf[65536]; |
46 | va_list args; |
51 | va_list args; |
47 | |
52 | |
48 | va_start(args, format); |
53 | va_start(args, format); |
49 | vsnprintf(buf, sizeof(buf), format, args); |
54 | vsnprintf(buf, sizeof(buf), format, args); |
50 | va_end(args); |
55 | va_end(args); |
51 | html(buf); |
56 | html(buf); |
52 | } |
57 | } |
53 | |
58 | |
54 | void html_status(int code, int more_headers) |
59 | void html_status(int code, const char *msg, int more_headers) |
55 | { |
60 | { |
56 | htmlf("Status: %d\n", code); |
61 | htmlf("Status: %d %s\n", code, msg); |
57 | if (!more_headers) |
62 | if (!more_headers) |
58 | html("\n"); |
63 | html("\n"); |
59 | } |
64 | } |
60 | |
65 | |
61 | void html_txt(char *txt) |
66 | void html_txt(char *txt) |
62 | { |
67 | { |
63 | char *t = txt; |
68 | char *t = txt; |
64 | while(t && *t){ |
69 | while(t && *t){ |
65 | int c = *t; |
70 | int c = *t; |
66 | if (c=='<' || c=='>' || c=='&') { |
71 | if (c=='<' || c=='>' || c=='&') { |
67 | write(htmlfd, txt, t - txt); |
72 | write(htmlfd, txt, t - txt); |
68 | if (c=='>') |
73 | if (c=='>') |
69 | html(">"); |
74 | html(">"); |
70 | else if (c=='<') |
75 | else if (c=='<') |
71 | html("<"); |
76 | html("<"); |
72 | else if (c=='&') |
77 | else if (c=='&') |
73 | html("&"); |
78 | html("&"); |
74 | txt = t+1; |
79 | txt = t+1; |
75 | } |
80 | } |
76 | t++; |
81 | t++; |
77 | } |
82 | } |
78 | if (t!=txt) |
83 | if (t!=txt) |
79 | html(txt); |
84 | html(txt); |
80 | } |
85 | } |
81 | |
86 | |
82 | void html_ntxt(int len, char *txt) |
87 | void html_ntxt(int len, char *txt) |
83 | { |
88 | { |
84 | char *t = txt; |
89 | char *t = txt; |
85 | while(t && *t && len--){ |
90 | while(t && *t && len--){ |
86 | int c = *t; |
91 | int c = *t; |
87 | if (c=='<' || c=='>' || c=='&') { |
92 | if (c=='<' || c=='>' || c=='&') { |
88 | write(htmlfd, txt, t - txt); |
93 | write(htmlfd, txt, t - txt); |
89 | if (c=='>') |
94 | if (c=='>') |
90 | html(">"); |
95 | html(">"); |
91 | else if (c=='<') |
96 | else if (c=='<') |
92 | html("<"); |
97 | html("<"); |
93 | else if (c=='&') |
98 | else if (c=='&') |
94 | html("&"); |
99 | html("&"); |
95 | txt = t+1; |
100 | txt = t+1; |
96 | } |
101 | } |
97 | t++; |
102 | t++; |
98 | } |
103 | } |
99 | if (t!=txt) |
104 | if (t!=txt) |
100 | write(htmlfd, txt, t - txt); |
105 | write(htmlfd, txt, t - txt); |
101 | if (len<0) |
106 | if (len<0) |
102 | html("..."); |
107 | html("..."); |
103 | } |
108 | } |
104 | |
109 | |
105 | void html_attr(char *txt) |
110 | void html_attr(char *txt) |
106 | { |
111 | { |
107 | char *t = txt; |
112 | char *t = txt; |
108 | while(t && *t){ |
113 | while(t && *t){ |
109 | int c = *t; |
114 | int c = *t; |
110 | if (c=='<' || c=='>' || c=='\'') { |
115 | if (c=='<' || c=='>' || c=='\'') { |
111 | write(htmlfd, txt, t - txt); |
116 | write(htmlfd, txt, t - txt); |
112 | if (c=='>') |
117 | if (c=='>') |
113 | html(">"); |
118 | html(">"); |
114 | else if (c=='<') |
119 | else if (c=='<') |
115 | html("<"); |
120 | html("<"); |
116 | else if (c=='\'') |
121 | else if (c=='\'') |
117 | html(""e;"); |
122 | html(""e;"); |
118 | txt = t+1; |
123 | txt = t+1; |
119 | } |
124 | } |
120 | t++; |
125 | t++; |
121 | } |
126 | } |
122 | if (t!=txt) |
127 | if (t!=txt) |
123 | html(txt); |
128 | html(txt); |
124 | } |
129 | } |
125 | |
130 | |
126 | void html_hidden(char *name, char *value) |
131 | void html_hidden(char *name, char *value) |
127 | { |
132 | { |
128 | html("<input type='hidden' name='"); |
133 | html("<input type='hidden' name='"); |
129 | html_attr(name); |
134 | html_attr(name); |
130 | html("' value='"); |
135 | html("' value='"); |
131 | html_attr(value); |
136 | html_attr(value); |
132 | html("'/>"); |
137 | html("'/>"); |
133 | } |
138 | } |
134 | |
139 | |
135 | void html_option(char *value, char *text, char *selected_value) |
140 | void html_option(char *value, char *text, char *selected_value) |
136 | { |
141 | { |
137 | html("<option value='"); |
142 | html("<option value='"); |
138 | html_attr(value); |
143 | html_attr(value); |
139 | html("'"); |
144 | html("'"); |
140 | if (selected_value && !strcmp(selected_value, value)) |
145 | if (selected_value && !strcmp(selected_value, value)) |
141 | html(" selected='selected'"); |
146 | html(" selected='selected'"); |
142 | html(">"); |
147 | html(">"); |
143 | html_txt(text); |
148 | html_txt(text); |
144 | html("</option>\n"); |
149 | html("</option>\n"); |
145 | } |
150 | } |
146 | |
151 | |
147 | void html_link_open(char *url, char *title, char *class) |
152 | void html_link_open(char *url, char *title, char *class) |
148 | { |
153 | { |
149 | html("<a href='"); |
154 | html("<a href='"); |
150 | html_attr(url); |
155 | html_attr(url); |
151 | if (title) { |
156 | if (title) { |
152 | html("' title='"); |
157 | html("' title='"); |
153 | html_attr(title); |
158 | html_attr(title); |
154 | } |
159 | } |
155 | if (class) { |
160 | if (class) { |
156 | html("' class='"); |
161 | html("' class='"); |
157 | html_attr(class); |
162 | html_attr(class); |
158 | } |
163 | } |
159 | html("'>"); |
164 | html("'>"); |
160 | } |
165 | } |
161 | |
166 | |
162 | void html_link_close(void) |
167 | void html_link_close(void) |
163 | { |
168 | { |
164 | html("</a>"); |
169 | html("</a>"); |
165 | } |
170 | } |
166 | |
171 | |
167 | void html_fileperm(unsigned short mode) |
172 | void html_fileperm(unsigned short mode) |
168 | { |
173 | { |
169 | htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), |
174 | htmlf("%c%c%c", (mode & 4 ? 'r' : '-'), |
170 | (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-')); |
175 | (mode & 2 ? 'w' : '-'), (mode & 1 ? 'x' : '-')); |
171 | } |
176 | } |
172 | |
177 | |
173 | int html_include(const char *filename) |
178 | int html_include(const char *filename) |
174 | { |
179 | { |
175 | FILE *f; |
180 | FILE *f; |
176 | char buf[4096]; |
181 | char buf[4096]; |
177 | size_t len; |
182 | size_t len; |
178 | |
183 | |
179 | if (!(f = fopen(filename, "r"))) { |
184 | if (!(f = fopen(filename, "r"))) { |
180 | fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n", |
185 | fprintf(stderr, "[cgit] Failed to include file %s: %s (%d).\n", |
181 | filename, strerror(errno), errno); |
186 | filename, strerror(errno), errno); |
182 | return -1; |
187 | return -1; |
183 | } |
188 | } |
184 | while((len = fread(buf, 1, 4096, f)) > 0) |
189 | while((len = fread(buf, 1, 4096, f)) > 0) |
185 | write(htmlfd, buf, len); |
190 | write(htmlfd, buf, len); |
186 | fclose(f); |
191 | fclose(f); |
187 | return 0; |
192 | return 0; |
188 | } |
193 | } |
189 | |
194 | |
190 | int hextoint(char c) |
195 | int hextoint(char c) |
191 | { |
196 | { |
192 | if (c >= 'a' && c <= 'f') |
197 | if (c >= 'a' && c <= 'f') |
193 | return 10 + c - 'a'; |
198 | return 10 + c - 'a'; |
194 | else if (c >= 'A' && c <= 'F') |
199 | else if (c >= 'A' && c <= 'F') |
195 | return 10 + c - 'A'; |
200 | return 10 + c - 'A'; |
196 | else if (c >= '0' && c <= '9') |
201 | else if (c >= '0' && c <= '9') |
197 | return c - '0'; |
202 | return c - '0'; |
198 | else |
203 | else |
199 | return -1; |
204 | return -1; |
200 | } |
205 | } |
201 | |
206 | |
202 | char *convert_query_hexchar(char *txt) |
207 | char *convert_query_hexchar(char *txt) |
203 | { |
208 | { |
204 | int d1, d2; |
209 | int d1, d2; |
205 | if (strlen(txt) < 3) { |
210 | if (strlen(txt) < 3) { |
206 | *txt = '\0'; |
211 | *txt = '\0'; |
207 | return txt-1; |
212 | return txt-1; |
208 | } |
213 | } |
209 | d1 = hextoint(*(txt+1)); |
214 | d1 = hextoint(*(txt+1)); |
210 | d2 = hextoint(*(txt+2)); |
215 | d2 = hextoint(*(txt+2)); |
211 | if (d1<0 || d2<0) { |
216 | if (d1<0 || d2<0) { |
212 | strcpy(txt, txt+3); |
217 | strcpy(txt, txt+3); |
213 | return txt-1; |
218 | return txt-1; |
214 | } else { |
219 | } else { |
215 | *txt = d1 * 16 + d2; |
220 | *txt = d1 * 16 + d2; |
216 | strcpy(txt+1, txt+3); |
221 | strcpy(txt+1, txt+3); |
217 | return txt; |
222 | return txt; |
218 | } |
223 | } |
219 | } |
224 | } |
220 | |
225 | |
221 | int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) |
226 | int http_parse_querystring(char *txt, void (*fn)(const char *name, const char *value)) |
222 | { |
227 | { |
223 | char *t, *value = NULL, c; |
228 | char *t, *value = NULL, c; |
224 | |
229 | |
225 | if (!txt) |
230 | if (!txt) |
226 | return 0; |
231 | return 0; |
227 | |
232 | |
228 | t = txt = strdup(txt); |
233 | t = txt = strdup(txt); |
229 | if (t == NULL) { |
234 | if (t == NULL) { |
230 | printf("Out of memory\n"); |
235 | printf("Out of memory\n"); |
231 | exit(1); |
236 | exit(1); |
232 | } |
237 | } |
233 | while((c=*t) != '\0') { |
238 | while((c=*t) != '\0') { |
234 | if (c=='=') { |
239 | if (c=='=') { |
235 | *t = '\0'; |
240 | *t = '\0'; |
236 | value = t+1; |
241 | value = t+1; |
237 | } else if (c=='+') { |
242 | } else if (c=='+') { |
238 | *t = ' '; |
243 | *t = ' '; |
239 | } else if (c=='%') { |
244 | } else if (c=='%') { |
240 | t = convert_query_hexchar(t); |
245 | t = convert_query_hexchar(t); |
241 | } else if (c=='&') { |
246 | } else if (c=='&') { |
242 | *t = '\0'; |
247 | *t = '\0'; |
243 | (*fn)(txt, value); |
248 | (*fn)(txt, value); |
244 | txt = t+1; |
249 | txt = t+1; |
245 | value = NULL; |
250 | value = NULL; |
246 | } |
251 | } |
247 | t++; |
252 | t++; |
248 | } |
253 | } |
249 | if (t!=txt) |
254 | if (t!=txt) |
250 | (*fn)(txt, value); |
255 | (*fn)(txt, value); |
251 | return 0; |
256 | return 0; |
252 | } |
257 | } |
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