1/* shared.c: global vars + some callback functions
  2 *
  3 * Copyright (C) 2006 Lars Hjemli
  4 *
  5 * Licensed under GNU General Public License v2
  6 *   (see COPYING for full license text)
  7 */
  8
  9#include "cgit.h"
 10
 11struct repolist cgit_repolist;
 12struct repoinfo *cgit_repo;
 13
 14char *cgit_root_title   = "Git repository browser";
 15char *cgit_css          = "/cgit.css";
 16char *cgit_logo         = "/git-logo.png";
 17char *cgit_logo_link    = "http://www.kernel.org/pub/software/scm/git/docs/";
 18char *cgit_virtual_root = NULL;
 19
 20char *cgit_cache_root   = "/var/cache/cgit";
 21
 22int cgit_nocache               =  0;
 23int cgit_snapshots             =  0;
 24int cgit_max_lock_attempts     =  5;
 25int cgit_cache_root_ttl        =  5;
 26int cgit_cache_repo_ttl        =  5;
 27int cgit_cache_dynamic_ttl     =  5;
 28int cgit_cache_static_ttl      = -1;
 29int cgit_cache_max_create_time =  5;
 30
 31int cgit_max_msg_len = 60;
 32
 33char *cgit_repo_name    = NULL;
 34char *cgit_repo_desc    = NULL;
 35char *cgit_repo_owner   = NULL;
 36
 37int cgit_query_has_symref = 0;
 38int cgit_query_has_sha1   = 0;
 39
 40char *cgit_querystring  = NULL;
 41char *cgit_query_repo   = NULL;
 42char *cgit_query_page   = NULL;
 43char *cgit_query_head   = NULL;
 44char *cgit_query_search = NULL;
 45char *cgit_query_sha1   = NULL;
 46char *cgit_query_sha2   = NULL;
 47char *cgit_query_path   = NULL;
 48char *cgit_query_name   = NULL;
 49int   cgit_query_ofs    = 0;
 50
 51int htmlfd = 0;
 52
 53int chk_zero(int result, char *msg)
 54{
 55	if (result != 0)
 56		die("%s: %s", msg, strerror(errno));
 57	return result;
 58}
 59
 60int chk_positive(int result, char *msg)
 61{
 62	if (result <= 0)
 63		die("%s: %s", msg, strerror(errno));
 64	return result;
 65}
 66
 67struct repoinfo *add_repo(const char *url)
 68{
 69	struct repoinfo *ret;
 70
 71	if (++cgit_repolist.count > cgit_repolist.length) {
 72		if (cgit_repolist.length == 0)
 73			cgit_repolist.length = 8;
 74		else
 75			cgit_repolist.length *= 2;
 76		cgit_repolist.repos = xrealloc(cgit_repolist.repos, 
 77					       cgit_repolist.length * 
 78					       sizeof(struct repoinfo));
 79	}
 80
 81	ret = &cgit_repolist.repos[cgit_repolist.count-1];
 82	ret->url = xstrdup(url);
 83	ret->name = ret->url;
 84	ret->path = NULL;
 85	ret->desc = NULL;
 86	ret->owner = NULL;
 87	ret->snapshots = cgit_snapshots;
 88	return ret;
 89}
 90
 91void cgit_global_config_cb(const char *name, const char *value)
 92{
 93	if (!strcmp(name, "root-title"))
 94		cgit_root_title = xstrdup(value);
 95	else if (!strcmp(name, "css"))
 96		cgit_css = xstrdup(value);
 97	else if (!strcmp(name, "logo"))
 98		cgit_logo = xstrdup(value);
 99	else if (!strcmp(name, "logo-link"))
100		cgit_logo_link = xstrdup(value);
101	else if (!strcmp(name, "virtual-root"))
102		cgit_virtual_root = xstrdup(value);
103	else if (!strcmp(name, "nocache"))
104		cgit_nocache = atoi(value);
105	else if (!strcmp(name, "snapshots"))
106		cgit_snapshots = atoi(value);
107	else if (!strcmp(name, "cache-root"))
108		cgit_cache_root = xstrdup(value);
109	else if (!strcmp(name, "cache-root-ttl"))
110		cgit_cache_root_ttl = atoi(value);
111	else if (!strcmp(name, "cache-repo-ttl"))
112		cgit_cache_repo_ttl = atoi(value);
113	else if (!strcmp(name, "cache-static-ttl"))
114		cgit_cache_static_ttl = atoi(value);
115	else if (!strcmp(name, "cache-dynamic-ttl"))
116		cgit_cache_dynamic_ttl = atoi(value);
117	else if (!strcmp(name, "max-message-length"))
118		cgit_max_msg_len = atoi(value);
119	else if (!strcmp(name, "repo.url"))
120		cgit_repo = add_repo(value);
121	else if (!strcmp(name, "repo.name"))
122		cgit_repo->name = xstrdup(value);
123	else if (cgit_repo && !strcmp(name, "repo.path"))
124		cgit_repo->path = xstrdup(value);
125	else if (cgit_repo && !strcmp(name, "repo.desc"))
126		cgit_repo->desc = xstrdup(value);
127	else if (cgit_repo && !strcmp(name, "repo.owner"))
128		cgit_repo->owner = xstrdup(value);
129	else if (cgit_repo && !strcmp(name, "repo.snapshots"))
130		cgit_repo->snapshots = atoi(value);
131}
132
133void cgit_repo_config_cb(const char *name, const char *value)
134{
135	if (!strcmp(name, "name"))
136		cgit_repo_name = xstrdup(value);
137	else if (!strcmp(name, "desc"))
138		cgit_repo_desc = xstrdup(value);
139	else if (!strcmp(name, "owner"))
140		cgit_repo_owner = xstrdup(value);
141}
142
143void cgit_querystring_cb(const char *name, const char *value)
144{
145	if (!strcmp(name,"r")) {
146		cgit_query_repo = xstrdup(value);
147	} else if (!strcmp(name, "p")) {
148		cgit_query_page = xstrdup(value);
149	} else if (!strcmp(name, "q")) {
150		cgit_query_search = xstrdup(value);
151	} else if (!strcmp(name, "h")) {
152		cgit_query_head = xstrdup(value);
153		cgit_query_has_symref = 1;
154	} else if (!strcmp(name, "id")) {
155		cgit_query_sha1 = xstrdup(value);
156		cgit_query_has_sha1 = 1;
157	} else if (!strcmp(name, "id2")) {
158		cgit_query_sha2 = xstrdup(value);
159		cgit_query_has_sha1 = 1;
160	} else if (!strcmp(name, "ofs")) {
161		cgit_query_ofs = atoi(value);
162	} else if (!strcmp(name, "path")) {
163		cgit_query_path = xstrdup(value);
164	} else if (!strcmp(name, "name")) {
165		cgit_query_name = xstrdup(value);
166	}
167}
168
169void *cgit_free_commitinfo(struct commitinfo *info)
170{
171	free(info->author);
172	free(info->author_email);
173	free(info->committer);
174	free(info->committer_email);
175	free(info->subject);
176	free(info);
177	return NULL;
178}
179
180int hextoint(char c)
181{
182	if (c >= 'a' && c <= 'f')
183		return 10 + c - 'a';
184	else if (c >= 'A' && c <= 'F')
185		return 10 + c - 'A';
186	else if (c >= '0' && c <= '9')
187		return c - '0';
188	else
189		return -1;
190}
191