| -rw-r--r-- | cache.c | 1 | ||||
| -rw-r--r-- | cache.h | 23 | ||||
| -rw-r--r-- | cgit.c | 1 | ||||
| -rw-r--r-- | cgit.h | 14 |
4 files changed, 25 insertions, 14 deletions
@@ -1,105 +1,106 @@ /* cache.c: cache management * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" +#include "cache.h" const int NOLOCK = -1; char *cache_safe_filename(const char *unsafe) { static char buf[4][PATH_MAX]; static int bufidx; char *s; char c; bufidx++; bufidx &= 3; s = buf[bufidx]; while(unsafe && (c = *unsafe++) != 0) { if (c == '/' || c == ' ' || c == '&' || c == '|' || c == '>' || c == '<' || c == '.') c = '_'; *s++ = c; } *s = '\0'; return buf[bufidx]; } int cache_exist(struct cacheitem *item) { if (stat(item->name, &item->st)) { item->st.st_mtime = 0; return 0; } return 1; } int cache_create_dirs() { char *path; path = fmt("%s", ctx.cfg.cache_root); if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; if (!ctx.repo) return 0; path = fmt("%s/%s", ctx.cfg.cache_root, cache_safe_filename(ctx.repo->url)); if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; if (ctx.qry.page) { path = fmt("%s/%s/%s", ctx.cfg.cache_root, cache_safe_filename(ctx.repo->url), ctx.qry.page); if (mkdir(path, S_IRWXU) && errno!=EEXIST) return 0; } return 1; } int cache_refill_overdue(const char *lockfile) { struct stat st; if (stat(lockfile, &st)) return 0; else return (time(NULL) - st.st_mtime > ctx.cfg.cache_max_create_time); } int cache_lock(struct cacheitem *item) { int i = 0; char *lockfile = xstrdup(fmt("%s.lock", item->name)); top: if (++i > ctx.cfg.max_lock_attempts) die("cache_lock: unable to lock %s: %s", item->name, strerror(errno)); item->fd = open(lockfile, O_WRONLY|O_CREAT|O_EXCL, S_IRUSR|S_IWUSR); if (item->fd == NOLOCK && errno == ENOENT && cache_create_dirs()) goto top; if (item->fd == NOLOCK && errno == EEXIST && cache_refill_overdue(lockfile) && !unlink(lockfile)) goto top; free(lockfile); return (item->fd > 0); } int cache_unlock(struct cacheitem *item) { close(item->fd); @@ -0,0 +1,23 @@ +/* + * Since git has it's own cache.h which we include, + * lets test on CGIT_CACHE_H to avoid confusion + */ + +#ifndef CGIT_CACHE_H +#define CGIT_CACHE_H + +struct cacheitem { + char *name; + struct stat st; + int ttl; + int fd; +}; + +extern char *cache_safe_filename(const char *unsafe); +extern int cache_lock(struct cacheitem *item); +extern int cache_unlock(struct cacheitem *item); +extern int cache_cancel_lock(struct cacheitem *item); +extern int cache_exist(struct cacheitem *item); +extern int cache_expired(struct cacheitem *item); + +#endif /* CGIT_CACHE_H */ @@ -1,105 +1,106 @@ /* cgit.c: cgi for the git scm * * Copyright (C) 2006 Lars Hjemli * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" +#include "cache.h" #include "cmd.h" #include "ui-shared.h" const char *cgit_version = CGIT_VERSION; void config_cb(const char *name, const char *value) { if (!strcmp(name, "root-title")) ctx.cfg.root_title = xstrdup(value); else if (!strcmp(name, "css")) ctx.cfg.css = xstrdup(value); else if (!strcmp(name, "logo")) ctx.cfg.logo = xstrdup(value); else if (!strcmp(name, "index-header")) ctx.cfg.index_header = xstrdup(value); else if (!strcmp(name, "index-info")) ctx.cfg.index_info = xstrdup(value); else if (!strcmp(name, "logo-link")) ctx.cfg.logo_link = xstrdup(value); else if (!strcmp(name, "module-link")) ctx.cfg.module_link = xstrdup(value); else if (!strcmp(name, "virtual-root")) { ctx.cfg.virtual_root = trim_end(value, '/'); if (!ctx.cfg.virtual_root && (!strcmp(value, "/"))) ctx.cfg.virtual_root = ""; } else if (!strcmp(name, "nocache")) ctx.cfg.nocache = atoi(value); else if (!strcmp(name, "snapshots")) ctx.cfg.snapshots = cgit_parse_snapshots_mask(value); else if (!strcmp(name, "enable-index-links")) ctx.cfg.enable_index_links = atoi(value); else if (!strcmp(name, "enable-log-filecount")) ctx.cfg.enable_log_filecount = atoi(value); else if (!strcmp(name, "enable-log-linecount")) ctx.cfg.enable_log_linecount = atoi(value); else if (!strcmp(name, "cache-root")) ctx.cfg.cache_root = xstrdup(value); else if (!strcmp(name, "cache-root-ttl")) ctx.cfg.cache_root_ttl = atoi(value); else if (!strcmp(name, "cache-repo-ttl")) ctx.cfg.cache_repo_ttl = atoi(value); else if (!strcmp(name, "cache-static-ttl")) ctx.cfg.cache_static_ttl = atoi(value); else if (!strcmp(name, "cache-dynamic-ttl")) ctx.cfg.cache_dynamic_ttl = atoi(value); else if (!strcmp(name, "max-message-length")) ctx.cfg.max_msg_len = atoi(value); else if (!strcmp(name, "max-repodesc-length")) ctx.cfg.max_repodesc_len = atoi(value); else if (!strcmp(name, "max-commit-count")) ctx.cfg.max_commit_count = atoi(value); else if (!strcmp(name, "summary-log")) ctx.cfg.summary_log = atoi(value); else if (!strcmp(name, "summary-branches")) ctx.cfg.summary_branches = atoi(value); else if (!strcmp(name, "summary-tags")) ctx.cfg.summary_tags = atoi(value); else if (!strcmp(name, "agefile")) ctx.cfg.agefile = xstrdup(value); else if (!strcmp(name, "renamelimit")) ctx.cfg.renamelimit = atoi(value); else if (!strcmp(name, "robots")) ctx.cfg.robots = xstrdup(value); else if (!strcmp(name, "clone-prefix")) ctx.cfg.clone_prefix = xstrdup(value); else if (!strcmp(name, "repo.group")) ctx.cfg.repo_group = xstrdup(value); else if (!strcmp(name, "repo.url")) ctx.repo = cgit_add_repo(value); else if (!strcmp(name, "repo.name")) ctx.repo->name = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.path")) ctx.repo->path = trim_end(value, '/'); else if (ctx.repo && !strcmp(name, "repo.clone-url")) ctx.repo->clone_url = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.desc")) ctx.repo->desc = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.owner")) ctx.repo->owner = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.defbranch")) ctx.repo->defbranch = xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.snapshots")) ctx.repo->snapshots = ctx.cfg.snapshots & cgit_parse_snapshots_mask(value); /* XXX: &? */ else if (ctx.repo && !strcmp(name, "repo.enable-log-filecount")) ctx.repo->enable_log_filecount = ctx.cfg.enable_log_filecount * atoi(value); else if (ctx.repo && !strcmp(name, "repo.enable-log-linecount")) ctx.repo->enable_log_linecount = ctx.cfg.enable_log_linecount * atoi(value); else if (ctx.repo && !strcmp(name, "repo.module-link")) ctx.repo->module_link= xstrdup(value); else if (ctx.repo && !strcmp(name, "repo.readme") && value != NULL) { if (*value == '/') ctx.repo->readme = xstrdup(value); else ctx.repo->readme = xstrdup(fmt("%s/%s", ctx.repo->path, value)); } else if (!strcmp(name, "include")) cgit_read_config(value, config_cb); @@ -1,241 +1,227 @@ #ifndef CGIT_H #define CGIT_H #include <git-compat-util.h> #include <cache.h> #include <grep.h> #include <object.h> #include <tree.h> #include <commit.h> #include <tag.h> #include <diff.h> #include <diffcore.h> #include <refs.h> #include <revision.h> #include <log-tree.h> #include <archive.h> #include <xdiff/xdiff.h> #include <utf8.h> /* * Dateformats used on misc. pages */ #define FMT_LONGDATE "%Y-%m-%d %H:%M:%S" #define FMT_SHORTDATE "%Y-%m-%d" /* * Limits used for relative dates */ #define TM_MIN 60 #define TM_HOUR (TM_MIN * 60) #define TM_DAY (TM_HOUR * 24) #define TM_WEEK (TM_DAY * 7) #define TM_YEAR (TM_DAY * 365) #define TM_MONTH (TM_YEAR / 12.0) /* * Default encoding */ #define PAGE_ENCODING "UTF-8" typedef void (*configfn)(const char *name, const char *value); typedef void (*filepair_fn)(struct diff_filepair *pair); typedef void (*linediff_fn)(char *line, int len); -struct cacheitem { - char *name; - struct stat st; - int ttl; - int fd; -}; - struct cgit_repo { char *url; char *name; char *path; char *desc; char *owner; char *defbranch; char *group; char *module_link; char *readme; char *clone_url; int snapshots; int enable_log_filecount; int enable_log_linecount; }; struct cgit_repolist { int length; int count; struct cgit_repo *repos; }; struct commitinfo { struct commit *commit; char *author; char *author_email; unsigned long author_date; char *committer; char *committer_email; unsigned long committer_date; char *subject; char *msg; char *msg_encoding; }; struct taginfo { char *tagger; char *tagger_email; int tagger_date; char *msg; }; struct refinfo { const char *refname; struct object *object; union { struct taginfo *tag; struct commitinfo *commit; }; }; struct reflist { struct refinfo **refs; int alloc; int count; }; struct cgit_query { int has_symref; int has_sha1; char *raw; char *repo; char *page; char *search; char *grep; char *head; char *sha1; char *sha2; char *path; char *name; int ofs; }; struct cgit_config { char *agefile; char *cache_root; char *clone_prefix; char *css; char *index_header; char *index_info; char *logo; char *logo_link; char *module_link; char *repo_group; char *robots; char *root_title; char *script_name; char *virtual_root; int cache_dynamic_ttl; int cache_max_create_time; int cache_repo_ttl; int cache_root_ttl; int cache_static_ttl; int enable_index_links; int enable_log_filecount; int enable_log_linecount; int max_commit_count; int max_lock_attempts; int max_msg_len; int max_repodesc_len; int nocache; int renamelimit; int snapshots; int summary_branches; int summary_log; int summary_tags; }; struct cgit_page { time_t modified; time_t expires; char *mimetype; char *charset; char *filename; char *title; }; struct cgit_context { struct cgit_query qry; struct cgit_config cfg; struct cgit_repo *repo; struct cgit_page page; }; struct cgit_snapshot_format { const char *suffix; const char *mimetype; write_archive_fn_t write_func; int bit; }; extern const char *cgit_version; extern struct cgit_repolist cgit_repolist; extern struct cgit_context ctx; extern const struct cgit_snapshot_format cgit_snapshot_formats[]; extern struct cgit_repo *cgit_add_repo(const char *url); extern struct cgit_repo *cgit_get_repoinfo(const char *url); extern void cgit_repo_config_cb(const char *name, const char *value); extern int chk_zero(int result, char *msg); extern int chk_positive(int result, char *msg); extern int chk_non_negative(int result, char *msg); extern int hextoint(char c); extern char *trim_end(const char *str, char c); extern char *strlpart(char *txt, int maxlen); extern char *strrpart(char *txt, int maxlen); extern void cgit_add_ref(struct reflist *list, struct refinfo *ref); extern int cgit_refs_cb(const char *refname, const unsigned char *sha1, int flags, void *cb_data); extern void *cgit_free_commitinfo(struct commitinfo *info); extern int cgit_diff_files(const unsigned char *old_sha1, const unsigned char *new_sha1, linediff_fn fn); extern void cgit_diff_tree(const unsigned char *old_sha1, const unsigned char *new_sha1, filepair_fn fn, const char *prefix); extern void cgit_diff_commit(struct commit *commit, filepair_fn fn); extern char *fmt(const char *format,...); extern int cgit_read_config(const char *filename, configfn fn); extern int cgit_parse_query(char *txt, configfn fn); extern struct commitinfo *cgit_parse_commit(struct commit *commit); extern struct taginfo *cgit_parse_tag(struct tag *tag); extern void cgit_parse_url(const char *url); -extern char *cache_safe_filename(const char *unsafe); -extern int cache_lock(struct cacheitem *item); -extern int cache_unlock(struct cacheitem *item); -extern int cache_cancel_lock(struct cacheitem *item); -extern int cache_exist(struct cacheitem *item); -extern int cache_expired(struct cacheitem *item); - extern const char *cgit_repobasename(const char *reponame); extern int cgit_parse_snapshots_mask(const char *str); #endif /* CGIT_H */ |