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-rw-r--r--cgit.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/cgit.c b/cgit.c
index e5d8fbd..34e590e 100644
--- a/cgit.c
+++ b/cgit.c
@@ -1,225 +1,225 @@
1/* cgit.c: cgi for the git scm 1/* cgit.c: cgi for the git scm
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 "cgit.h" 9#include "cgit.h"
10 10
11const char cgit_version[] = CGIT_VERSION; 11const char cgit_version[] = CGIT_VERSION;
12 12
13 13
14static int cgit_prepare_cache(struct cacheitem *item) 14static int cgit_prepare_cache(struct cacheitem *item)
15{ 15{
16 if (!cgit_repo && cgit_query_repo) { 16 if (!cgit_repo && cgit_query_repo) {
17 char *title = fmt("%s - %s", cgit_root_title, "Bad request"); 17 char *title = fmt("%s - %s", cgit_root_title, "Bad request");
18 cgit_print_docstart(title, item); 18 cgit_print_docstart(title, item);
19 cgit_print_pageheader(title, 0); 19 cgit_print_pageheader(title, 0);
20 cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo)); 20 cgit_print_error(fmt("Unknown repo: %s", cgit_query_repo));
21 cgit_print_docend(); 21 cgit_print_docend();
22 return 0; 22 return 0;
23 } 23 }
24 24
25 if (!cgit_repo) { 25 if (!cgit_repo) {
26 item->name = xstrdup(fmt("%s/index.html", cgit_cache_root)); 26 item->name = xstrdup(fmt("%s/index.html", cgit_cache_root));
27 item->ttl = cgit_cache_root_ttl; 27 item->ttl = cgit_cache_root_ttl;
28 return 1; 28 return 1;
29 } 29 }
30 30
31 if (!cgit_cmd) { 31 if (!cgit_cmd) {
32 item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root, 32 item->name = xstrdup(fmt("%s/%s/index.html", cgit_cache_root,
33 cache_safe_filename(cgit_repo->url))); 33 cache_safe_filename(cgit_repo->url)));
34 item->ttl = cgit_cache_repo_ttl; 34 item->ttl = cgit_cache_repo_ttl;
35 } else { 35 } else {
36 item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root, 36 item->name = xstrdup(fmt("%s/%s/%s/%s.html", cgit_cache_root,
37 cache_safe_filename(cgit_repo->url), cgit_query_page, 37 cache_safe_filename(cgit_repo->url), cgit_query_page,
38 cache_safe_filename(cgit_querystring))); 38 cache_safe_filename(cgit_querystring)));
39 if (cgit_query_has_symref) 39 if (cgit_query_has_symref)
40 item->ttl = cgit_cache_dynamic_ttl; 40 item->ttl = cgit_cache_dynamic_ttl;
41 else if (cgit_query_has_sha1) 41 else if (cgit_query_has_sha1)
42 item->ttl = cgit_cache_static_ttl; 42 item->ttl = cgit_cache_static_ttl;
43 else 43 else
44 item->ttl = cgit_cache_repo_ttl; 44 item->ttl = cgit_cache_repo_ttl;
45 } 45 }
46 return 1; 46 return 1;
47} 47}
48 48
49static void cgit_print_repo_page(struct cacheitem *item) 49static void cgit_print_repo_page(struct cacheitem *item)
50{ 50{
51 char *title; 51 char *title;
52 int show_search; 52 int show_search;
53 53
54 if (!cgit_query_head) 54 if (!cgit_query_head)
55 cgit_query_head = cgit_repo->defbranch; 55 cgit_query_head = cgit_repo->defbranch;
56 56
57 if (chdir(cgit_repo->path)) { 57 if (chdir(cgit_repo->path)) {
58 title = fmt("%s - %s", cgit_root_title, "Bad request"); 58 title = fmt("%s - %s", cgit_root_title, "Bad request");
59 cgit_print_docstart(title, item); 59 cgit_print_docstart(title, item);
60 cgit_print_pageheader(title, 0); 60 cgit_print_pageheader(title, 0);
61 cgit_print_error(fmt("Unable to scan repository: %s", 61 cgit_print_error(fmt("Unable to scan repository: %s",
62 strerror(errno))); 62 strerror(errno)));
63 cgit_print_docend(); 63 cgit_print_docend();
64 return; 64 return;
65 } 65 }
66 66
67 title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc); 67 title = fmt("%s - %s", cgit_repo->name, cgit_repo->desc);
68 show_search = 0; 68 show_search = 0;
69 setenv("GIT_DIR", cgit_repo->path, 1); 69 setenv("GIT_DIR", cgit_repo->path, 1);
70 70
71 if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) { 71 if ((cgit_cmd == CMD_SNAPSHOT) && cgit_repo->snapshots) {
72 cgit_print_snapshot(item, cgit_query_sha1, "zip", 72 cgit_print_snapshot(item, cgit_query_sha1, "zip",
73 cgit_repo->url, cgit_query_name); 73 cgit_repo->url, cgit_query_name);
74 return; 74 return;
75 } 75 }
76 76
77 if (cgit_cmd == CMD_BLOB) { 77 if (cgit_cmd == CMD_BLOB) {
78 cgit_print_blob(item, cgit_query_sha1, cgit_query_path); 78 cgit_print_blob(item, cgit_query_sha1, cgit_query_path);
79 return; 79 return;
80 } 80 }
81 81
82 show_search = (cgit_cmd == CMD_LOG); 82 show_search = (cgit_cmd == CMD_LOG);
83 cgit_print_docstart(title, item); 83 cgit_print_docstart(title, item);
84 if (!cgit_cmd) { 84 if (!cgit_cmd) {
85 cgit_print_pageheader("summary", show_search); 85 cgit_print_pageheader("summary", show_search);
86 cgit_print_summary(); 86 cgit_print_summary();
87 cgit_print_docend(); 87 cgit_print_docend();
88 return; 88 return;
89 } 89 }
90 90
91 cgit_print_pageheader(cgit_query_page, show_search); 91 cgit_print_pageheader(cgit_query_page, show_search);
92 92
93 switch(cgit_cmd) { 93 switch(cgit_cmd) {
94 case CMD_LOG: 94 case CMD_LOG:
95 cgit_print_log(cgit_query_head, cgit_query_ofs, 95 cgit_print_log(cgit_query_head, cgit_query_ofs,
96 cgit_max_commit_count, cgit_query_search, 96 cgit_max_commit_count, cgit_query_search,
97 cgit_query_path); 97 cgit_query_path, 1);
98 break; 98 break;
99 case CMD_TREE: 99 case CMD_TREE:
100 cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path); 100 cgit_print_tree(cgit_query_head, cgit_query_sha1, cgit_query_path);
101 break; 101 break;
102 case CMD_COMMIT: 102 case CMD_COMMIT:
103 cgit_print_commit(cgit_query_head); 103 cgit_print_commit(cgit_query_head);
104 break; 104 break;
105 case CMD_VIEW: 105 case CMD_VIEW:
106 cgit_print_view(cgit_query_sha1, cgit_query_path); 106 cgit_print_view(cgit_query_sha1, cgit_query_path);
107 break; 107 break;
108 case CMD_DIFF: 108 case CMD_DIFF:
109 cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2, 109 cgit_print_diff(cgit_query_head, cgit_query_sha1, cgit_query_sha2,
110 cgit_query_path); 110 cgit_query_path);
111 break; 111 break;
112 default: 112 default:
113 cgit_print_error("Invalid request"); 113 cgit_print_error("Invalid request");
114 } 114 }
115 cgit_print_docend(); 115 cgit_print_docend();
116} 116}
117 117
118static void cgit_fill_cache(struct cacheitem *item, int use_cache) 118static void cgit_fill_cache(struct cacheitem *item, int use_cache)
119{ 119{
120 static char buf[PATH_MAX]; 120 static char buf[PATH_MAX];
121 int stdout2; 121 int stdout2;
122 122
123 getcwd(buf, sizeof(buf)); 123 getcwd(buf, sizeof(buf));
124 item->st.st_mtime = time(NULL); 124 item->st.st_mtime = time(NULL);
125 125
126 if (use_cache) { 126 if (use_cache) {
127 stdout2 = chk_positive(dup(STDOUT_FILENO), 127 stdout2 = chk_positive(dup(STDOUT_FILENO),
128 "Preserving STDOUT"); 128 "Preserving STDOUT");
129 chk_zero(close(STDOUT_FILENO), "Closing STDOUT"); 129 chk_zero(close(STDOUT_FILENO), "Closing STDOUT");
130 chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)"); 130 chk_positive(dup2(item->fd, STDOUT_FILENO), "Dup2(cachefile)");
131 } 131 }
132 132
133 if (cgit_repo) 133 if (cgit_repo)
134 cgit_print_repo_page(item); 134 cgit_print_repo_page(item);
135 else 135 else
136 cgit_print_repolist(item); 136 cgit_print_repolist(item);
137 137
138 if (use_cache) { 138 if (use_cache) {
139 chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT"); 139 chk_zero(close(STDOUT_FILENO), "Close redirected STDOUT");
140 chk_positive(dup2(stdout2, STDOUT_FILENO), 140 chk_positive(dup2(stdout2, STDOUT_FILENO),
141 "Restoring original STDOUT"); 141 "Restoring original STDOUT");
142 chk_zero(close(stdout2), "Closing temporary STDOUT"); 142 chk_zero(close(stdout2), "Closing temporary STDOUT");
143 } 143 }
144 144
145 chdir(buf); 145 chdir(buf);
146} 146}
147 147
148static void cgit_check_cache(struct cacheitem *item) 148static void cgit_check_cache(struct cacheitem *item)
149{ 149{
150 int i = 0; 150 int i = 0;
151 151
152 top: 152 top:
153 if (++i > cgit_max_lock_attempts) { 153 if (++i > cgit_max_lock_attempts) {
154 die("cgit_refresh_cache: unable to lock %s: %s", 154 die("cgit_refresh_cache: unable to lock %s: %s",
155 item->name, strerror(errno)); 155 item->name, strerror(errno));
156 } 156 }
157 if (!cache_exist(item)) { 157 if (!cache_exist(item)) {
158 if (!cache_lock(item)) { 158 if (!cache_lock(item)) {
159 sleep(1); 159 sleep(1);
160 goto top; 160 goto top;
161 } 161 }
162 if (!cache_exist(item)) { 162 if (!cache_exist(item)) {
163 cgit_fill_cache(item, 1); 163 cgit_fill_cache(item, 1);
164 cache_unlock(item); 164 cache_unlock(item);
165 } else { 165 } else {
166 cache_cancel_lock(item); 166 cache_cancel_lock(item);
167 } 167 }
168 } else if (cache_expired(item) && cache_lock(item)) { 168 } else if (cache_expired(item) && cache_lock(item)) {
169 if (cache_expired(item)) { 169 if (cache_expired(item)) {
170 cgit_fill_cache(item, 1); 170 cgit_fill_cache(item, 1);
171 cache_unlock(item); 171 cache_unlock(item);
172 } else { 172 } else {
173 cache_cancel_lock(item); 173 cache_cancel_lock(item);
174 } 174 }
175 } 175 }
176} 176}
177 177
178static void cgit_print_cache(struct cacheitem *item) 178static void cgit_print_cache(struct cacheitem *item)
179{ 179{
180 static char buf[4096]; 180 static char buf[4096];
181 ssize_t i; 181 ssize_t i;
182 182
183 int fd = open(item->name, O_RDONLY); 183 int fd = open(item->name, O_RDONLY);
184 if (fd<0) 184 if (fd<0)
185 die("Unable to open cached file %s", item->name); 185 die("Unable to open cached file %s", item->name);
186 186
187 while((i=read(fd, buf, sizeof(buf))) > 0) 187 while((i=read(fd, buf, sizeof(buf))) > 0)
188 write(STDOUT_FILENO, buf, i); 188 write(STDOUT_FILENO, buf, i);
189 189
190 close(fd); 190 close(fd);
191} 191}
192 192
193static void cgit_parse_args(int argc, const char **argv) 193static void cgit_parse_args(int argc, const char **argv)
194{ 194{
195 int i; 195 int i;
196 196
197 for (i = 1; i < argc; i++) { 197 for (i = 1; i < argc; i++) {
198 if (!strncmp(argv[i], "--cache=", 8)) { 198 if (!strncmp(argv[i], "--cache=", 8)) {
199 cgit_cache_root = xstrdup(argv[i]+8); 199 cgit_cache_root = xstrdup(argv[i]+8);
200 } 200 }
201 if (!strcmp(argv[i], "--nocache")) { 201 if (!strcmp(argv[i], "--nocache")) {
202 cgit_nocache = 1; 202 cgit_nocache = 1;
203 } 203 }
204 if (!strncmp(argv[i], "--query=", 8)) { 204 if (!strncmp(argv[i], "--query=", 8)) {
205 cgit_querystring = xstrdup(argv[i]+8); 205 cgit_querystring = xstrdup(argv[i]+8);
206 } 206 }
207 if (!strncmp(argv[i], "--repo=", 7)) { 207 if (!strncmp(argv[i], "--repo=", 7)) {
208 cgit_query_repo = xstrdup(argv[i]+7); 208 cgit_query_repo = xstrdup(argv[i]+7);
209 } 209 }
210 if (!strncmp(argv[i], "--page=", 7)) { 210 if (!strncmp(argv[i], "--page=", 7)) {
211 cgit_query_page = xstrdup(argv[i]+7); 211 cgit_query_page = xstrdup(argv[i]+7);
212 } 212 }
213 if (!strncmp(argv[i], "--head=", 7)) { 213 if (!strncmp(argv[i], "--head=", 7)) {
214 cgit_query_head = xstrdup(argv[i]+7); 214 cgit_query_head = xstrdup(argv[i]+7);
215 cgit_query_has_symref = 1; 215 cgit_query_has_symref = 1;
216 } 216 }
217 if (!strncmp(argv[i], "--sha1=", 7)) { 217 if (!strncmp(argv[i], "--sha1=", 7)) {
218 cgit_query_sha1 = xstrdup(argv[i]+7); 218 cgit_query_sha1 = xstrdup(argv[i]+7);
219 cgit_query_has_sha1 = 1; 219 cgit_query_has_sha1 = 1;
220 } 220 }
221 if (!strncmp(argv[i], "--ofs=", 6)) { 221 if (!strncmp(argv[i], "--ofs=", 6)) {
222 cgit_query_ofs = atoi(argv[i]+6); 222 cgit_query_ofs = atoi(argv[i]+6);
223 } 223 }
224 } 224 }
225} 225}