X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=lib%2Fzpm.c;h=63ecc17632c46eefb37aa5137abe22421cb38c28;hb=2ac486ab18adbbb84563eafc0d67fa8da6ca7822;hp=8df7fa82f2048baee280c67cdb918009c28c8674;hpb=4238c6794cfe19c0d8fd62da35eb966f1868f9da;p=zpackage diff --git a/lib/zpm.c b/lib/zpm.c index 8df7fa8..63ecc17 100644 --- a/lib/zpm.c +++ b/lib/zpm.c @@ -266,6 +266,14 @@ int zpm_open(struct zpm *zpm, char *path) { zpm_clearmem(zpm); + if (!path) { + path = getenv("ZPMDB"); + } + + if (!path) { + path = "/var/lib/zpm/local.db"; + } + rc = sqlite3_open_v2(path, &db, SQLITE_OPEN_READWRITE, NULL); if (rc) { SQLERROR(sqlite3_errmsg(db)); @@ -299,11 +307,26 @@ int zpm_close(struct zpm *pkg) { static int zpm_sqlite_vercmp(void *not_used, int lena, const void *a, int lenb, const void *b) { - /* not sure what the ints are, possibly string lengths */ + int rv; + char *bufa, *bufb; + if (not_used != 0) fprintf(stderr, "sqlite vercmp not_used = %p\n", not_used); if (lena == 0 && lenb > 0) return 1; - return zpm_vercmp(a, b); + if (lenb == 0 && lena > 0) return -1; + + bufa = sqlite3_malloc(lena+1); + bufb = sqlite3_malloc(lenb+1); + + strncpy(bufa, a, lena); + strncpy(bufb, b, lenb); + bufa[lena] = 0; + bufb[lenb] = 0; + + rv = zpm_vercmp(bufa, bufb); + sqlite3_free(bufa); + sqlite3_free(bufb); + return rv; } int zpm_addvercmp(struct zpm *pkg) { @@ -329,6 +352,10 @@ int zpm_extract(struct zpm *pkg, char *hash, char *path, mode_t mode) { } db = pkg->db; + if (!path) { + path = "-"; + } + rc = sqlite3_prepare(db, "select size, content from files where hash = ?", -1, &ifile,0); if (rc != SQLITE_OK) { SQLERROR(sqlite3_errmsg(db)); @@ -390,6 +417,7 @@ int zpm_extract(struct zpm *pkg, char *hash, char *path, mode_t mode) { tmpfile, strerror(errno)); sqlite3_finalize(ifile); sqlite3_close(db); + free(tmpfile); return 0; } } else { @@ -424,6 +452,7 @@ int zpm_extract(struct zpm *pkg, char *hash, char *path, mode_t mode) { } } + free(tmpfile); return rc; } @@ -451,107 +480,99 @@ static int run_for_hash(sqlite3 *db, char *sql, char *hash) { #define SQLERP(db, msg) fprintf(stderr, "%s: %s\n", msg, sqlite3_errmsg(db)) -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; +static int set_elf_info(struct zpm *zpm, char *hash, char *content, + size_t length) { - /* clear existing for this hash */ + char *strtab; + Elf64_Dyn *dyn; + int i; + Elf64_Phdr *phdr; + Elf64_Ehdr *hdr; + sqlite3_stmt *ifile; + sqlite3 *db = zpm->db; - if (!run_for_hash(db, "delete from elflibraries where file = ?", hash)) { - SQLERP(db, "error clearing elf library"); - return 0; - } + if (length < sizeof (Elf64_Ehdr) || !libelf_iself(content)) { + /* not an elf file */ + return 1; + } - if (!run_for_hash(db, "delete from elfneeded where file = ?", hash)) { - SQLERP(db, "error clearing elf needed"); - return 0; - } + /* clear existing for this hash */ - hdr = libelf_header(content); - /* if lib, set soname */ - if (libelf_type(content) == ET_DYN) { - char *soname = libelf_soname(content); - if (soname) { + if (!run_for_hash(db, "delete from elflibraries where file = ?", hash)) { + SQLERP(db, "error clearing elf library"); + return 0; + } - 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 (!run_for_hash(db, "delete from elfneeded where file = ?", hash)) { + SQLERP(db, "error clearing elf needed"); + return 0; + } - /* if exe, set neededs */ - if (libelf_type(content) == ET_EXEC) { - Elf64_Shdr *dsect = 0; - 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); - } + hdr = libelf_header(content); + /* if lib, set soname */ + if (libelf_type(content) == ET_DYN) { + char *soname = libelf_soname(content); + if (soname) { + zpm_db_run(zpm, "insert into elflibraries (file,soname) values (%Q,%Q);", hash, soname); + if (zpm->error) { + return 0; } - if (!dsect) { - /* no dynamic section found */ - return 1; + } + /* some dyn don't have an soname, so we don't + * need to warn */ + } + + /* if exe, set neededs */ + /* libraries can have neededs too */ + if (libelf_type(content) == ET_EXEC || libelf_type(content) == ET_DYN) { + Elf64_Shdr *dsect = 0; + 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); } + } + if (!dsect) { + /* no dynamic section found */ + return 1; + } -#if 0 - dyn = (Elf64_Dyn *)(elf + dsect->sh_offset); - if (!dyn) { - exit(9); - } -#endif - dyn = (Elf64_Dyn *)dsect; + dyn = (Elf64_Dyn *)dsect; - dsect = libelf_section(elf, SHT_DYNAMIC); - Elf64_Shdr *strsect; + dsect = libelf_section(elf, SHT_DYNAMIC); + Elf64_Shdr *strsect; - strsect = libelf_section_n(elf, dsect->sh_link); - strtab = elf + strsect->sh_offset; + 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; + 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); + 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); + fprintf(stderr, "%s needs %s\n", hash, need); #endif - rc = sqlite3_step(ifile); - if (rc != SQLITE_DONE) { - SQLERP(db, "error setting needed library"); - sqlite3_finalize(ifile); - return 0; - } - sqlite3_reset(ifile); + rc = sqlite3_step(ifile); + if (rc != SQLITE_DONE) { + SQLERP(db, "error setting needed library"); + sqlite3_finalize(ifile); + return 0; } - dyn++; + sqlite3_reset(ifile); } - sqlite3_finalize(ifile); + dyn++; } + sqlite3_finalize(ifile); } return 1; } @@ -560,11 +581,9 @@ int zpm_import(struct zpm *zpm, char *path, uint32_t flags, char *hash) { int fd; void *content = 0; struct stat sbuf; - unsigned char tmp[32]; - struct sha256_state md; sqlite3_stmt *ifile = 0; int haverow = 0,havedata = 0; - int j,rc,type; + int rc,type; char hashbuf[65]; /* xz compress it */ @@ -621,13 +640,7 @@ int zpm_import(struct zpm *zpm, char *path, uint32_t flags, char *hash) { return 0; } - /* get hash */ - sha256_init(&md); - sha256_process(&md, content, sbuf.st_size); - sha256_done(&md, tmp); - for (j=0;j<32;j++) { - sprintf(hash+j*2, "%02x", (unsigned)tmp[j]); - } + zpm_hash_mem(content, sbuf.st_size, hash); hash[64] = 0; /* TODO check null */ @@ -680,12 +693,14 @@ int zpm_import(struct zpm *zpm, char *path, uint32_t flags, char *hash) { if (!havedata) { /* compress */ +// fprintf(stderr, "compressing\n"); outbuf = compresslzma(content, sbuf.st_size, &outlen); if (!outbuf) { fprintf(stderr, "compresslzma failed\n"); munmap(content, sbuf.st_size); return 0; } +//// fprintf(stderr, "compress finished\n"); /* insert */ if (haverow) { @@ -741,7 +756,7 @@ int zpm_import(struct zpm *zpm, char *path, uint32_t flags, char *hash) { /* don't need the original file now */ } - if (!set_elf_info(zpm->db, hash, content, sbuf.st_size)) { + if (!set_elf_info(zpm, hash, content, sbuf.st_size)) { fprintf(stderr, "setting elf info failed\n"); munmap(content, sbuf.st_size); return 0;