+ return 1;
+}
+
+static sqlite3_stmt *run_for_hash(sqlite3 *db, char *sql, char *hash) {
+ int rc;
+ sqlite3_stmt *ifile;
+
+ rc = sqlite3_prepare_v2(db, sql, -1, &ifile, 0);
+ if (rc != SQLITE_OK) {
+ SQLERROR(sqlite3_errmsg(db));
+ return 0;
+ }
+
+ /* hash, filename */
+
+ sqlite3_bind_text(ifile, 1, hash, 64, SQLITE_STATIC);
+
+ return ifile;
+}
+
+static int set_elf_info(sqlite3 *db, char *hash, char *content, size_t length) {
+ if (length >= sizeof (Elf64_Ehdr) && libelf_iself(content)) {
+ char *strtab;
+ Elf64_Dyn *dyn;
+ int i;
+ Elf64_Phdr *phdr;
+ Elf64_Ehdr *hdr;
+ sqlite3_stmt *ifile;
+ int rc;
+
+ /* go ahead and set up elf information now */
+ /* clear existing for this hash */
+ ifile = run_for_hash(db, "delete from elfinfo where file = ?", hash);
+ do {
+ rc = sqlite3_step(ifile);
+#if 0
+ if (rc == SQLITE_ROW) {
+ int nc;
+ fprintf(stderr, "delete row has %d columns: ", sqlite3_column_count(ifile));
+ nc = sqlite3_column_count(ifile);
+ for (i = 0; i < nc; i++) {
+ char *r;
+ r = sqlite3_column_text(ifile, i);
+ fprintf(stderr, ", %s", r);
+ }
+ fprintf(stderr, "\n");
+ }
+#endif
+ } while (rc == SQLITE_ROW);
+ if (rc != SQLITE_DONE) {
+ SQLERROR(sqlite3_errmsg(db));
+ sqlite3_finalize(ifile);
+ fprintf(stderr, "error clearing elf info: %d\n", rc);
+ return 0;
+ }
+ sqlite3_finalize(ifile);
+ ifile = run_for_hash(db, "delete from elflibraries where file = ?", hash);
+ do {
+ rc = sqlite3_step(ifile);
+ } while (rc == SQLITE_ROW);
+ if (rc != SQLITE_DONE) {
+ SQLERROR(sqlite3_errmsg(db));
+ sqlite3_finalize(ifile);
+ fprintf(stderr, "error clearing elf library: %d\n", rc);
+ return 0;
+ }
+ sqlite3_finalize(ifile);
+ ifile = run_for_hash(db, "delete from elfneeded where file = ?", hash);
+ do {
+ rc = sqlite3_step(ifile);
+ } while (rc == SQLITE_ROW);
+ if (rc != SQLITE_DONE) {
+ SQLERROR(sqlite3_errmsg(db));
+ sqlite3_finalize(ifile);
+ fprintf(stderr, "error clearing elf needed\n");
+ return 0;
+ }
+ sqlite3_finalize(ifile);
+
+ hdr = libelf_header(content);
+ /* if lib, set soname */
+ if (libelf_type(content) == ET_DYN) {
+ char *soname = libelf_soname(content);
+ if (soname) {
+
+ sqlite3_prepare_v2(db, "insert into elflibraries (file,soname) values (?,?)",-1, &ifile, 0);
+ sqlite3_bind_text(ifile,1,hash,64,SQLITE_STATIC);
+ sqlite3_bind_text(ifile,2,soname,-1,SQLITE_STATIC);
+ rc = sqlite3_step(ifile);
+ if (rc != SQLITE_DONE) {
+ SQLERROR(sqlite3_errmsg(db));
+ sqlite3_finalize(ifile);
+ fprintf(stderr, "error setting library soname\n");
+ return 0;
+ }
+ sqlite3_finalize(ifile);
+ } else {
+ fprintf(stderr, "can't find soname\n");
+ }
+ }
+
+ /* if exe, set neededs */
+ if (libelf_type(content) == ET_EXEC) {
+ Elf64_Shdr *dsect;
+ char *elf;
+
+ elf = (char *)content;
+ /* find program header table */
+ for (i = 0; i < hdr->e_phnum; i++) {
+ phdr = (Elf64_Phdr *)(elf + hdr->e_phoff + i * hdr->e_phentsize);
+ if (phdr->p_type == PT_DYNAMIC) {
+ dsect = (Elf64_Shdr *)(elf + phdr->p_offset);
+ }
+ }
+ dyn = (Elf64_Dyn *)(elf + dsect->sh_offset);
+ if (!dyn) {
+ exit(9);
+ }
+ dyn = (Elf64_Dyn *)dsect;
+
+ dsect = libelf_section(elf, SHT_DYNAMIC);
+ Elf64_Shdr *strsect;
+
+ strsect = libelf_section_n(elf, dsect->sh_link);
+ strtab = elf + strsect->sh_offset;
+
+ sqlite3_prepare_v2(db, "insert into elfneeded (file,needed) values (?,?)",-1, &ifile, 0);
+ sqlite3_bind_text(ifile,1,hash,64,SQLITE_STATIC);
+ while (dyn->d_tag != DT_NULL) {
+ if (dyn->d_tag == DT_NEEDED) {
+ char *need;
+ int rc;
+
+ need = strtab + dyn->d_un.d_val;
+ if (strlen(need) == 0) continue;
+ sqlite3_bind_text(ifile,2,need,strlen(need),SQLITE_STATIC);
+#if 0
+ fprintf(stderr, "%s needs %s\n", hash, need);
+#endif
+ rc = sqlite3_step(ifile);
+ if (rc != SQLITE_DONE) {
+ SQLERROR(sqlite3_errmsg(db));
+ sqlite3_finalize(ifile);
+ fprintf(stderr, "error setting needed library\n");
+ return 0;
+ }
+ sqlite3_reset(ifile);
+ }
+ dyn++;
+ }
+ sqlite3_finalize(ifile);
+ }
+ }
+ return 1;