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-rw-r--r--cgit.c10
-rw-r--r--cgit.h2
-rw-r--r--shared.c71
3 files changed, 78 insertions, 5 deletions
diff --git a/cgit.c b/cgit.c
index ab25b6a..fde0757 100644
--- a/cgit.c
+++ b/cgit.c
@@ -131,106 +131,106 @@ void config_cb(const char *name, const char *value)
ctx.cfg.noplainemail = atoi(value);
else if (!strcmp(name, "noheader"))
ctx.cfg.noheader = atoi(value);
else if (!strcmp(name, "snapshots"))
ctx.cfg.snapshots = cgit_parse_snapshots_mask(value);
else if (!strcmp(name, "enable-filter-overrides"))
ctx.cfg.enable_filter_overrides = atoi(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, "enable-remote-branches"))
ctx.cfg.enable_remote_branches = atoi(value);
else if (!strcmp(name, "enable-subject-links"))
ctx.cfg.enable_subject_links = atoi(value);
else if (!strcmp(name, "enable-tree-linenumbers"))
ctx.cfg.enable_tree_linenumbers = atoi(value);
else if (!strcmp(name, "max-stats"))
ctx.cfg.max_stats = cgit_find_stats_period(value, NULL);
else if (!strcmp(name, "cache-size"))
ctx.cfg.cache_size = atoi(value);
else if (!strcmp(name, "cache-root"))
- ctx.cfg.cache_root = xstrdup(value);
+ ctx.cfg.cache_root = xstrdup(expand_macros(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-scanrc-ttl"))
ctx.cfg.cache_scanrc_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, "about-filter"))
ctx.cfg.about_filter = new_filter(value, 0);
else if (!strcmp(name, "commit-filter"))
ctx.cfg.commit_filter = new_filter(value, 0);
else if (!strcmp(name, "embedded"))
ctx.cfg.embedded = atoi(value);
else if (!strcmp(name, "max-atom-items"))
ctx.cfg.max_atom_items = 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-blob-size"))
ctx.cfg.max_blob_size = atoi(value);
else if (!strcmp(name, "max-repo-count"))
ctx.cfg.max_repo_count = atoi(value);
else if (!strcmp(name, "max-commit-count"))
ctx.cfg.max_commit_count = atoi(value);
else if (!strcmp(name, "scan-path"))
if (!ctx.cfg.nocache && ctx.cfg.cache_size)
- process_cached_repolist(value);
+ process_cached_repolist(expand_macros(value));
else
- scan_tree(value, repo_config);
+ scan_tree(expand_macros(value), repo_config);
else if (!strcmp(name, "source-filter"))
ctx.cfg.source_filter = new_filter(value, 1);
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, "side-by-side-diffs"))
ctx.cfg.ssdiff = 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, "local-time"))
ctx.cfg.local_time = atoi(value);
else if (!prefixcmp(name, "mimetype."))
add_mimetype(name + 9, value);
else if (!strcmp(name, "include"))
- parse_configfile(value, config_cb);
+ parse_configfile(expand_macros(value), config_cb);
}
static void querystring_cb(const char *name, const char *value)
{
if (!value)
value = "";
if (!strcmp(name,"r")) {
ctx.qry.repo = xstrdup(value);
ctx.repo = cgit_get_repoinfo(value);
} else if (!strcmp(name, "p")) {
ctx.qry.page = xstrdup(value);
} else if (!strcmp(name, "url")) {
if (*value == '/')
value++;
ctx.qry.url = xstrdup(value);
cgit_parse_url(value);
} else if (!strcmp(name, "qt")) {
ctx.qry.grep = xstrdup(value);
} else if (!strcmp(name, "q")) {
ctx.qry.search = xstrdup(value);
} else if (!strcmp(name, "h")) {
ctx.qry.head = xstrdup(value);
ctx.qry.has_symref = 1;
@@ -684,49 +684,49 @@ static int calc_ttl()
if (!ctx.qry.page)
return ctx.cfg.cache_repo_ttl;
if (ctx.qry.has_symref)
return ctx.cfg.cache_dynamic_ttl;
if (ctx.qry.has_sha1)
return ctx.cfg.cache_static_ttl;
return ctx.cfg.cache_repo_ttl;
}
int main(int argc, const char **argv)
{
const char *path;
char *qry;
int err, ttl;
prepare_context(&ctx);
cgit_repolist.length = 0;
cgit_repolist.count = 0;
cgit_repolist.repos = NULL;
cgit_parse_args(argc, argv);
- parse_configfile(ctx.env.cgit_config, config_cb);
+ parse_configfile(expand_macros(ctx.env.cgit_config), config_cb);
ctx.repo = NULL;
http_parse_querystring(ctx.qry.raw, querystring_cb);
/* If virtual-root isn't specified in cgitrc, lets pretend
* that virtual-root equals SCRIPT_NAME.
*/
if (!ctx.cfg.virtual_root)
ctx.cfg.virtual_root = ctx.cfg.script_name;
/* If no url parameter is specified on the querystring, lets
* use PATH_INFO as url. This allows cgit to work with virtual
* urls without the need for rewriterules in the webserver (as
* long as PATH_INFO is included in the cache lookup key).
*/
path = ctx.env.path_info;
if (!ctx.qry.url && path) {
if (path[0] == '/')
path++;
ctx.qry.url = xstrdup(path);
if (ctx.qry.raw) {
qry = ctx.qry.raw;
ctx.qry.raw = xstrdup(fmt("%s?%s", path, qry));
free(qry);
} else
diff --git a/cgit.h b/cgit.h
index 2b28d63..2bf6ab0 100644
--- a/cgit.h
+++ b/cgit.h
@@ -281,25 +281,27 @@ extern int cgit_diff_files(const unsigned char *old_sha1,
unsigned long *old_size, unsigned long *new_size,
int *binary, int context, 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 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 const char *cgit_repobasename(const char *reponame);
extern int cgit_parse_snapshots_mask(const char *str);
extern int cgit_open_filter(struct cgit_filter *filter);
extern int cgit_close_filter(struct cgit_filter *filter);
extern int readfile(const char *path, char **buf, size_t *size);
+extern char *expand_macros(const char *txt);
+
#endif /* CGIT_H */
diff --git a/shared.c b/shared.c
index 06f70bb..9f7d6a5 100644
--- a/shared.c
+++ b/shared.c
@@ -411,24 +411,95 @@ int cgit_close_filter(struct cgit_filter *filter)
int readfile(const char *path, char **buf, size_t *size)
{
int fd, e;
struct stat st;
fd = open(path, O_RDONLY);
if (fd == -1)
return errno;
if (fstat(fd, &st)) {
e = errno;
close(fd);
return e;
}
if (!S_ISREG(st.st_mode)) {
close(fd);
return EISDIR;
}
*buf = xmalloc(st.st_size + 1);
*size = read_in_full(fd, *buf, st.st_size);
e = errno;
(*buf)[*size] = '\0';
close(fd);
return (*size == st.st_size ? 0 : e);
}
+
+int is_token_char(char c)
+{
+ return isalnum(c) || c == '_';
+}
+
+/* Replace name with getenv(name), return pointer to zero-terminating char
+ */
+char *expand_macro(char *name, int maxlength)
+{
+ char *value;
+ int len;
+
+ len = 0;
+ value = getenv(name);
+ if (value) {
+ len = strlen(value);
+ if (len > maxlength)
+ len = maxlength;
+ strncpy(name, value, len);
+ }
+ return name + len;
+}
+
+#define EXPBUFSIZE (1024 * 8)
+
+/* Replace all tokens prefixed by '$' in the specified text with the
+ * value of the named environment variable.
+ * NB: the return value is a static buffer, i.e. it must be strdup'd
+ * by the caller.
+ */
+char *expand_macros(const char *txt)
+{
+ static char result[EXPBUFSIZE];
+ char *p, *start;
+ int len;
+
+ p = result;
+ start = NULL;
+ while (p < result + EXPBUFSIZE - 1 && txt && *txt) {
+ *p = *txt;
+ if (start) {
+ if (!is_token_char(*txt)) {
+ if (p - start > 0) {
+ *p = '\0';
+ len = result + EXPBUFSIZE - start - 1;
+ p = expand_macro(start, len) - 1;
+ }
+ start = NULL;
+ txt--;
+ }
+ p++;
+ txt++;
+ continue;
+ }
+ if (*txt == '$') {
+ start = p;
+ txt++;
+ continue;
+ }
+ p++;
+ txt++;
+ }
+ *p = '\0';
+ if (start && p - start > 0) {
+ len = result + EXPBUFSIZE - start - 1;
+ p = expand_macro(start, len);
+ *p = '\0';
+ }
+ return result;
+}