static int test_depends(void *actdata, struct pkg *pkg, const char *fpath, const char *name, bool is_shlib) { struct pkgdb *db = actdata; struct pkg_dep *dep = NULL; struct pkgdb_it *it = NULL; struct pkg *d; const char *deporigin, *depname, *depversion; const char *pkgname, *pkgversion; bool deplocked; char pathbuf[MAXPATHLEN]; assert(db != NULL); switch(filter_system_shlibs(name, pathbuf, sizeof(pathbuf))) { case EPKG_OK: /* A non-system library */ break; case EPKG_END: /* A system library */ return (EPKG_OK); default: /* Ignore link resolution errors if we're analysing a shared library. */ if (is_shlib) return (EPKG_OK); pkg_get(pkg, PKG_NAME, &pkgname, PKG_VERSION, &pkgversion); warnx("(%s-%s) %s - shared library %s not found", pkgname, pkgversion, fpath, name); return (EPKG_FATAL); } pkg_addshlib_required(pkg, name); if ((it = pkgdb_query_which(db, pathbuf, false)) == NULL) return (EPKG_OK); d = NULL; if (pkgdb_it_next(it, &d, PKG_LOAD_BASIC) == EPKG_OK) { pkg_get(d, PKG_ORIGIN, &deporigin, PKG_NAME, &depname, PKG_VERSION, &depversion, PKG_LOCKED, &deplocked); dep = pkg_dep_lookup(pkg, deporigin); if (dep == NULL) { pkg_debug(1, "Autodeps: adding unlisted depends (%s): %s-%s", pathbuf, depname, depversion); pkg_adddep(pkg, depname, deporigin, depversion, deplocked); } pkg_free(d); } pkgdb_it_free(it); return (EPKG_OK); }
static int analyse_elf(struct pkgdb *db, struct pkg *pkg, const char *fpath) { struct pkg **deps; struct pkg *p = NULL; struct pkgdb_it *it = NULL; Elf *e; Elf_Scn *scn = NULL; GElf_Shdr shdr; Elf_Data *data; GElf_Dyn *dyn, dyn_mem; size_t numdyn; size_t dynidx; void *handle; Link_map *map; char *name; bool found=false; int fd, i; if ((fd = open(fpath, O_RDONLY, 0)) < 0) return (EPKG_FATAL); if (( e = elf_begin(fd, ELF_C_READ, NULL)) == NULL) return (EPKG_FATAL); if (elf_kind(e) != ELF_K_ELF) return (EPKG_FATAL); while (( scn = elf_nextscn(e, scn)) != NULL) { if (gelf_getshdr(scn, &shdr) != &shdr) return (EPKG_FATAL); if (shdr.sh_type == SHT_DYNAMIC) break; } data = elf_getdata(scn, NULL); numdyn = shdr.sh_size / shdr.sh_entsize; for (dynidx = 0; dynidx < numdyn; dynidx++) { if ((dyn = gelf_getdyn(data, dynidx, &dyn_mem)) == NULL) return (EPKG_FATAL); if (dyn->d_tag != DT_NEEDED) continue; name = elf_strptr(e, shdr.sh_link, dyn->d_un.d_val); handle = dlopen(name, RTLD_LAZY); if (handle != NULL) { dlinfo(handle, RTLD_DI_LINKMAP, &map); if ((it = pkgdb_query_which(db, map->l_name)) == NULL) return (EPKG_FATAL); if (pkgdb_it_next(it, &p, PKG_LOAD_BASIC) == EPKG_OK) { found = false; if (( deps = pkg_deps(pkg) ) != NULL) { for (i = 0; deps[i]; i++) { if (strcmp(pkg_get(deps[i], PKG_ORIGIN), pkg_get(p, PKG_ORIGIN)) == 0) found = true; } } if (!found) { warnx("adding forgotten depends (%s): %s-%s", map->l_name, pkg_get(p, PKG_NAME), pkg_get(p, PKG_VERSION)); pkg_adddep(pkg, pkg_get(p, PKG_NAME), pkg_get(p, PKG_ORIGIN), pkg_get(p, PKG_VERSION)); } } dlclose(handle); } pkgdb_it_free(it); } pkg_free(p); close(fd); return (EPKG_OK); }
static int test_depends(void *actdata, struct pkg *pkg, const char *fpath, const char *name, bool is_shlib) { struct pkgdb *db = actdata; struct pkg_dep *dep = NULL; struct pkgdb_it *it = NULL; struct pkg *d; const char *deporigin, *depname, *depversion; bool deplocked; char pathbuf[MAXPATHLEN]; bool found; bool shlibs = false; assert(db != NULL); pkg_config_bool(PKG_CONFIG_SHLIBS, &shlibs); switch(filter_system_shlibs(name, pathbuf, sizeof(pathbuf))) { case EPKG_OK: /* A non-system library */ break; case EPKG_END: /* A system library */ return (EPKG_OK); default: /* Ignore link resolution errors if we're analysing a shared library. */ if (is_shlib) return (EPKG_OK); warnx("(%s-%s) %s - shared library %s not found", pkg_name(pkg), pkg_version(pkg), fpath, name); return (EPKG_FATAL); } if (shlibs) pkg_addshlib_required(pkg, name); if ((it = pkgdb_query_which(db, pathbuf)) == NULL) return (EPKG_OK); d = NULL; if (pkgdb_it_next(it, &d, PKG_LOAD_BASIC) == EPKG_OK) { found = false; pkg_get(d, PKG_ORIGIN, &deporigin, PKG_NAME, &depname, PKG_VERSION, &depversion, PKG_LOCKED, &deplocked); dep = NULL; found = false; while (pkg_deps(pkg, &dep) == EPKG_OK) { if (strcmp(pkg_dep_origin(dep), deporigin) == 0) { found = true; break; } } if (!found) { pkg_emit_error("adding forgotten depends (%s): %s-%s", pathbuf, depname, depversion); pkg_adddep(pkg, depname, deporigin, depversion, deplocked); } pkg_free(d); } pkgdb_it_free(it); return (EPKG_OK); }