cgit - Web front-end for git that you're looking at right now. Might have had a few additions from upstream.

diff options

Diffstat (limited to 'shared.c')

-rw-r--r--

1 files changed, 3 insertions, 4 deletions

/* shared.c: global vars + some callback functions * * Copyright (C) 2006-2014 cgit Development Team <cgit@lists.zx2c4.com> * * Licensed under GNU General Public License v2 * (see COPYING for full license text) */ #include "cgit.h" struct cgit_repolist cgit_repolist; struct cgit_context ctx; int chk_zero(int result, char *msg) { if (result != 0) die_errno("%s", msg); return result; } int chk_positive(int result, char *msg) { if (result <= 0) die_errno("%s", msg); return result; } int chk_non_negative(int result, char *msg) { if (result < 0) die_errno("%s", msg); return result; } char *cgit_default_repo_desc = "[no description]"; struct cgit_repo *cgit_add_repo(const char *url) { struct cgit_repo *ret; if (++cgit_repolist.count > cgit_repolist.length) { if (cgit_repolist.length == 0) cgit_repolist.length = 8; else cgit_repolist.length *= 2; cgit_repolist.repos = xrealloc(cgit_repolist.repos, cgit_repolist.length * sizeof(struct cgit_repo)); } ret = &cgit_repolist.repos[cgit_repolist.count-1]; memset(ret, 0, sizeof(struct cgit_repo)); ret->url = trim_end(url, '/'); ret->name = ret->url; ret->path = NULL; ret->desc = cgit_default_repo_desc; ret->owner = NULL; ret->homepage = NULL; ret->section = ctx.cfg.section; ret->snapshots = ctx.cfg.snapshots; ret->enable_commit_graph = ctx.cfg.enable_commit_graph; ret->enable_log_filecount = ctx.cfg.enable_log_filecount; ret->enable_log_linecount = ctx.cfg.enable_log_linecount; ret->enable_remote_branches = ctx.cfg.enable_remote_branches; ret->enable_subject_links = ctx.cfg.enable_subject_links; ret->enable_html_serving = ctx.cfg.enable_html_serving; ret->max_stats = ctx.cfg.max_stats; ret->branch_sort = ctx.cfg.branch_sort; ret->commit_sort = ctx.cfg.commit_sort; ret->module_link = ctx.cfg.module_link; ret->readme = ctx.cfg.readme; ret->mtime = -1; ret->about_filter = ctx.cfg.about_filter; ret->commit_filter = ctx.cfg.commit_filter; ret->source_filter = ctx.cfg.source_filter; ret->email_filter = ctx.cfg.email_filter; ret->owner_filter = ctx.cfg.owner_filter; ret->clone_url = ctx.cfg.clone_url; ret->submodules.strdup_strings = 1; ret->hide = ret->ignore = 0; return ret; } struct cgit_repo *cgit_get_repoinfo(const char *url) { int i; struct cgit_repo *repo; for (i = 0; i < cgit_repolist.count; i++) { repo = &cgit_repolist.repos[i]; if (repo->ignore) continue; if (!strcmp(repo->url, url)) return repo; } return NULL; } void cgit_free_commitinfo(struct commitinfo *info) { free(info->author); free(info->author_email); free(info->committer); free(info->committer_email); free(info->subject); free(info->msg); free(info->msg_encoding); free(info); } char *trim_end(const char *str, char c) { int len; if (str == NULL) return NULL; len = strlen(str); while (len > 0 && str[len - 1] == c) len--; if (len == 0) return NULL; return xstrndup(str, len); } char *ensure_end(const char *str, char c) { size_t len = strlen(str); char *result; if (len && str[len - 1] == c) return xstrndup(str, len); result = xmalloc(len + 2); memcpy(result, str, len); result[len] = '/'; result[len + 1] = '\0'; return result; } void strbuf_ensure_end(struct strbuf *sb, char c) { if (!sb->len || sb->buf[sb->len - 1] != c) strbuf_addch(sb, c); } char *strlpart(char *txt, int maxlen) { char *result; if (!txt) return txt; if (strlen(txt) <= maxlen) return txt; result = xmalloc(maxlen + 1); memcpy(result, txt, maxlen - 3); result[maxlen-1] = result[maxlen-2] = result[maxlen-3] = '.'; result[maxlen] = '\0'; return result; } char *strrpart(char *txt, int maxlen) { char *result; if (!txt) return txt; if (strlen(txt) <= maxlen) return txt; result = xmalloc(maxlen + 1); memcpy(result + 3, txt + strlen(txt) - maxlen + 4, maxlen - 3); result[0] = result[1] = result[2] = '.'; return result; } void cgit_add_ref(struct reflist *list, struct refinfo *ref) { size_t size; if (list->count >= list->alloc) { list->alloc += (list->alloc ? list->alloc : 4); size = list->alloc * sizeof(struct refinfo *); list->refs = xrealloc(list->refs, size); } list->refs[list->count++] = ref; } static struct refinfo *cgit_mk_refinfo(const char *refname, const struct object_id *oid) { struct refinfo *ref; ref = xmalloc(sizeof (struct refinfo)); ref->refname = xstrdup(refname); ref->object = parse_object(oid->hash); switch (ref->object->type) { case OBJ_TAG: ref->tag = cgit_parse_tag((struct tag *)ref->object); break; case OBJ_COMMIT: ref->commit = cgit_parse_commit((struct commit *)ref->object); break; } return ref; } void cgit_free_taginfo(struct taginfo *tag) { if (tag->tagger) free(tag->tagger); if (tag->tagger_email) free(tag->tagger_email); if (tag->msg) free(tag->msg); free(tag); } static void cgit_free_refinfo(struct refinfo *ref) { if (ref->refname) free((char *)ref->refname); switch (ref->object->type) { case OBJ_TAG: cgit_free_taginfo(ref->tag); break; case OBJ_COMMIT: cgit_free_commitinfo(ref->commit); break; } free(ref); } void cgit_free_reflist_inner(struct reflist *list) { int i; for (i = 0; i < list->count; i++) { cgit_free_refinfo(list->refs[i]); } free(list->refs); } int cgit_refs_cb(const char *refname, const struct object_id *oid, int flags, void *cb_data) { struct reflist *list = (struct reflist *)cb_data; struct refinfo *info = cgit_mk_refinfo(refname, oid); if (info) cgit_add_ref(list, info); return 0; } void cgit_diff_tree_cb(struct diff_queue_struct *q, struct diff_options *options, void *data) { int i; for (i = 0; i < q->nr; i++) { if (q->queue[i]->status == 'U') continue; ((filepair_fn)data)(q->queue[i]); } } static int load_mmfile(mmfile_t *file, const struct object_id *oid) { enum object_type type; if (is_null_oid(oid)) { file->ptr = (char *)""; file->size = 0; } else { file->ptr = read_sha1_file(oid->hash, &type, (unsigned long *)&file->size); } return 1; } /* * Receive diff-buffers from xdiff and concatenate them as * needed across multiple callbacks. * * This is basically a copy of xdiff-interface.c/xdiff_outf(), * ripped from git and modified to use globals instead of * a special callback-struct. */ static char *diffbuf = NULL; static int buflen = 0; static int filediff_cb(void *priv, mmbuffer_t *mb, int nbuf) { int i; for (i = 0; i < nbuf; i++) { if (mb[i].ptr[mb[i].size-1] != '\n') { /* Incomplete line */ diffbuf = xrealloc(diffbuf, buflen + mb[i].size); memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); buflen += mb[i].size; continue; } /* we have a complete line */ if (!diffbuf) { ((linediff_fn)priv)(mb[i].ptr, mb[i].size); continue; } diffbuf = xrealloc(diffbuf, buflen + mb[i].size); memcpy(diffbuf + buflen, mb[i].ptr, mb[i].size); ((linediff_fn)priv)(diffbuf, buflen + mb[i].size); free(diffbuf); diffbuf = NULL; buflen = 0; } if (diffbuf) { ((linediff_fn)priv)(diffbuf, buflen); free(diffbuf); diffbuf = NULL; buflen = 0; } return 0; } int cgit_diff_files(const struct object_id *old_oid, const struct object_id *new_oid, unsigned long *old_size, unsigned long *new_size, int *binary, int context, int ignorews, linediff_fn fn) { mmfile_t file1, file2; xpparam_t diff_params; xdemitconf_t emit_params; xdemitcb_t emit_cb; if (!load_mmfile(&file1, old_oid) || !load_mmfile(&file2, new_oid)) return 1; *old_size = file1.size; *new_size = file2.size; if ((file1.ptr && buffer_is_binary(file1.ptr, file1.size)) || (file2.ptr && buffer_is_binary(file2.ptr, file2.size))) { *binary = 1; if (file1.size) free(file1.ptr); if (file2.size) free(file2.ptr); return 0; } memset(&diff_params, 0, sizeof(diff_params)); memset(&emit_params, 0, sizeof(emit_params)); memset(&emit_cb, 0, sizeof(emit_cb)); diff_params.flags = XDF_NEED_MINIMAL; if (ignorews) diff_params.flags |= XDF_IGNORE_WHITESPACE; emit_params.ctxlen = context > 0 ? context : 3; emit_params.flags = XDL_EMIT_FUNCNAMES; emit_cb.outf = filediff_cb; emit_cb.priv = fn; xdl_diff(&file1, &file2, &diff_params, &emit_params, &emit_cb); if (file1.size) free(file1.ptr); if (file2.size) free(file2.ptr); return 0; } void cgit_diff_tree(const struct object_id *old_oid, const struct object_id *new_oid, filepair_fn fn, const char *prefix, int ignorews) { struct diff_options opt; struct pathspec_item item; memset(&item, 0, sizeof(item)); diff_setup(&opt); opt.output_format = DIFF_FORMAT_CALLBACK; opt.detect_rename = 1; opt.rename_limit = ctx.cfg.renamelimit; DIFF_OPT_SET(&opt, RECURSIVE); if (ignorews) DIFF_XDL_SET(&opt, IGNORE_WHITESPACE); opt.format_callback = cgit_diff_tree_cb; opt.format_callback_data = fn; if (prefix) { item.match = prefix; item.len = strlen(prefix); opt.pathspec.nr = 1; opt.pathspec.items = &item; } diff_setup_done(&opt); if (old_oid && !is_null_oid(old_oid)) diff_tree_sha1(old_oid->hash, new_oid->hash, "", &opt); else diff_root_tree_sha1(new_oid->hash, "", &opt); diffcore_std(&opt); diff_flush(&opt); } void cgit_diff_commit(struct commit *commit, filepair_fn fn, const char *prefix) { const struct object_id *old_oid = NULL; if (commit->parents) old_oid = &commit->parents->item->object.oid; cgit_diff_tree(old_oid, &commit->object.oid, fn, prefix, ctx.qry.ignorews); } int cgit_parse_snapshots_mask(const char *str) { struct string_list tokens = STRING_LIST_INIT_DUP; struct string_list_item *item; const struct cgit_snapshot_format *f; int rv = 0; /* favor legacy setting */ if (atoi(str)) return 1; string_list_split(&tokens, str, ' ', -1); string_list_remove_empty_items(&tokens, 0); for_each_string_list_item(item, &tokens) { for (f = cgit_snapshot_formats; f->suffix; f++) { if (!strcmp(item->string, f->suffix) || !strcmp(item->string, f->suffix + 1)) { rv |= f->bit; break; } } } string_list_clear(&tokens, 0); return rv; } typedef struct { char * name; char * value; } cgit_env_var; void cgit_prepare_repo_env(struct cgit_repo * repo) { cgit_env_var env_vars[] = { { .name = "CGIT_REPO_URL", .value = repo->url }, { .name = "CGIT_REPO_NAME", .value = repo->name }, { .name = "CGIT_REPO_PATH", .value = repo->path }, { .name = "CGIT_REPO_OWNER", .value = repo->owner }, { .name = "CGIT_REPO_DEFBRANCH", .value = repo->defbranch }, { .name = "CGIT_REPO_SECTION", .value = repo->section }, { .name = "CGIT_REPO_CLONE_URL", .value = repo->clone_url } }; int env_var_count = ARRAY_SIZE(env_vars); cgit_env_var *p, *q; static char *warn = "cgit warning: failed to set env: %s=%s\n"; p = env_vars; q = p + env_var_count; for (; p < q; p++) if (p->value && setenv(p->name, p->value, 1)) fprintf(stderr, warn, p->name, p->value); } /* Read the content of the specified file into a newly allocated buffer, * zeroterminate the buffer and return 0 on success, errno otherwise. */ 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); } static int is_token_char(char c) { return isalnum(c) || c == '_'; } /* Replace name with getenv(name), return pointer to zero-terminating char */ static 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; } char *get_mimetype_for_filename(const char *filename) { char *ext, *mimetype, *token, line[1024], *saveptr; FILE *file; struct string_list_item *mime; if (!filename) return NULL; ext = strrchr(filename, '.'); if (!ext) return NULL; ++ext; if (!ext[0]) return NULL; mime = string_list_lookup(&ctx.cfg.mimetypes, ext); if (mime) return xstrdup(mime->util); if (!ctx.cfg.mimetype_file) return NULL; file = fopen(ctx.cfg.mimetype_file, "r"); if (!file) return NULL; while (fgets(line, sizeof(line), file)) { if (!line[0] || line[0] == '#') continue; mimetype = strtok_r(line, " \t\r\n", &saveptr); while ((token = strtok_r(NULL, " \t\r\n", &saveptr))) { if (!strcasecmp(ext, token)) { fclose(file); return xstrdup(mimetype); } } } fclose(file); return NULL; }


context:
space:
mode: