1 #define _POSIX_C_SOURCE 200809L
18 /* needed for S_IFMT and AT_FDCWD */
27 struct zpm *log; /* logging db will be attached as "log" */
31 int errabort, errors, verbose, dryrun, conflicts;
32 int setuser, setgroup;
33 int reverse, exitonerror;
34 int overwrite, accept, acceptdir, ignoredirmd;
35 int ops_total, ops_completed;
36 int ops_remove, ops_remove_completed;
37 int ops_update, ops_update_completed;
38 int ops_install, ops_install_completed;
39 int progress; /* type of progress meter */
52 char *pkglist; /* space separated */
56 int configuration, oldwasconf;
57 struct timespec times[2];
61 printf("usage: zpm $scriptname [-fncC] args ...\n");
64 static void warn(char *fmt, ...) {
68 vfprintf(stderr, fmt, args);
70 fprintf(stderr, "\n");
73 static void pdots(int len, int ch, int was, int now, int total) {
74 was = len * was / total;
78 now = len * now / total;
85 static int seterror(struct config *conf, char *msgfmt, ...) {
92 vsnprintf(msg, sizeof msg, msgfmt, ap);
96 if (conf->log->errmsg) {
97 free(conf->log->errmsg);
100 conf->log->errmsg = strdup(msg);
103 fprintf(stderr, "%s\n", msg);
106 return conf->errabort;
109 static int setsyserr(struct config *conf, char *msgfmt, ...) {
116 va_start(ap, msgfmt);
117 printed = vsnprintf(msg, sizeof msg, msgfmt, ap);
121 /* nothing we can really do */
122 return conf->errabort;
125 if ((size_t)printed < sizeof msg) {
126 snprintf(msg+printed, sizeof msg - printed, ": %s",
131 if (conf->log->errmsg) {
132 free(conf->log->errmsg);
135 conf->log->errmsg = strdup(msg);
138 fprintf(stderr, "%s\n", msg);
141 return conf->errabort;
144 static int exists(char *path, mode_t *mode) {
147 if (lstat(path, &st) == -1) {
150 if (mode) *mode = st.st_mode;
154 /* TODO maintain a list of already created directories */
155 static int create_leading_dirs(char *path) {
158 char pcopy[ZPM_PATH_MAX];
163 delim = strrchr(pcopy, '/');
164 if (!delim) return 1; /* not an error, but no leading dirs */
166 /* cut off last component */
175 delim = strchr(s, '/');
181 /* try to create the directory, if it exists
182 * and is a directory or a symlink, that's ok
183 * should be (eventually) a symlink to a directory
184 * so we want stat here, not lstat
186 if (mkdir(pcopy, 0755) == -1) {
189 if (stat(pcopy, &st) == -1) {
193 switch (st.st_mode & S_IFMT) {
213 static char *column(char *col, int ncols, char **vals, char **cols) {
217 for (i=0; i < ncols; i++) {
218 // fprintf(stderr, "checking '%s' = '%s'\n", cols[i], vals[i]);
220 if (!strcmp(col, cols[i])) {
228 #define COL(x) column(x, ncols, vals, cols)
229 #define SYSERR(x) do { conf->log->error = 2; return conf->errabort; } while (0)
232 /* TODO handle other ops properly */
233 static char *ops[] = { "new", "remove", "update", 0 };
241 static int getop(char *opstr) {
244 if (!opstr) return 0;
245 for (i=0;ops[i];i++) {
246 if (!strcmp(opstr, ops[i])) {
253 static int report_conflicts(void *f, int ncols, char **vals, char **cols) {
254 struct config *conf = f;
255 char *path, *hash, *pkg, *conflict_type, *mds;
259 conflict_type = COL("conflict");
260 if (!strcmp(conflict_type, "hash")) {
262 fprintf(stderr, "hash conflict: package %s path %s hash %.8s\n",
265 if (!strcmp(conflict_type, "md")) {
267 fprintf(stderr, "md conflict: package %s path %s md %s\n",
270 fprintf(stderr, "%s conflict: package %s path %s\n",
271 conflict_type, pkg, path);
278 static int read_item(struct config *conf, int ncols, char **vals, char **cols,
284 struct nitem zero = { 0 };
290 seterror(conf, "can't determine op");
296 seterror(conf, "can't determine op");
300 n->path = COL("path");
302 seterror(conf, "no file path");
305 if (strlen(n->path) == 0) {
306 seterror(conf, "zero length path not allowed");
310 /* TODO config to dishonor setuid/setgid */
311 n->dest = COL("dest");
313 seterror(conf, "no file dest");
317 if (strlen(n->dest) == 0) {
318 seterror(conf, "zero length dest not allowed");
325 seterror(conf, "can't determine mode");
329 n->mode = strtoul(val, NULL, 8);
331 val = COL("configuration");
333 seterror(conf, "can't determine config status");
336 lval = strtol(val, NULL, 10);
338 n->configuration = ((lval & 1) != 0);
339 n->oldwasconf = ((lval & 2) != 0);
341 val = COL("filetype");
342 if (!val || strlen(val) == 0) {
343 seterror(conf, "can't determine file type");
348 /* these can be null */
349 n->ohash = COL("ohash");
351 n->omds = COL("omds");
352 n->pkglist = COL("pkglist");
354 if (n->ftype == 'r') {
355 n->hash = COL("hash");
357 seterror(conf, "can't get hash");
360 } else if (n->ftype == 'l') {
361 n->target = COL("target");
363 seterror(conf, "can't get target");
366 if (strlen(n->target) == 0) {
367 seterror(conf, "zero length target not allowed");
374 val = COL("username");
376 seterror(conf, "no username");
381 seterror(conf, "no passwd entry");
389 if (conf->setgroup) {
390 val = COL("groupname");
392 seterror(conf, "no groupname");
397 seterror(conf, "no group entry for %s", val);
406 double mtime = strtod(COL("mtime"),NULL);
408 mtime = (double)time(NULL);
411 n->mtime = (time_t)mtime;
413 n->times[0].tv_sec = 0;
414 n->times[0].tv_nsec = UTIME_OMIT;
415 n->times[1].tv_sec = (time_t)llrint(floor(mtime));
416 n->times[1].tv_nsec = lrint(floor(fmod(mtime,1.0)*1000000000));
421 /* file does not exist */
422 #define D_NOEXIST 0x1
423 /* files are different types */
425 /* metadata is different */
427 /* content or link target is different */
429 /* file to be installed is a directory */
431 /* path on disk is a directory */
432 #define D_EISDIR 0x20
433 /* usernames different */
435 /* group names different */
437 /* file mode is different */
439 /* mtimes are different */
440 #define D_MTIME 0x200
441 /* the hash of the file we are supposedly replacing is different than
442 * the the hash of the file on disk
444 #define D_OHASH 0x400
445 /* file exists, and is a directory, and is empty */
446 #define D_ISEMPTY 0x800
447 /* an error occurred trying to compare the file (other than it doesn't exist */
448 #define D_ERROR 0x1000
449 /* there was a stat error */
450 #define D_STATERROR 0x2000
451 /* there was an error calling readlink */
452 #define D_RLERROR 0x4000
454 static int dir_is_empty(char *path) {
475 /* 1 = file doesn't exist, 2 = file is a directory, target isn't */
476 /* 4 == ftype different */
477 /* 8 = hash different when both are regular files */
478 static unsigned int file_compare(struct nitem *n, struct stat *st) {
479 int etype = 0, stat_type;
480 char ehash[ZPM_HASH_STRLEN+1];
481 unsigned int diff = 0;
486 case 'd': etype = S_IFDIR; diff |= D_ISDIR ; break;
487 case 'r': etype = S_IFREG; break;
488 case 'l': etype = S_IFLNK; break;
489 default: etype = 0; break;
493 /* new file, so check type, hash, etc */
494 if (lstat(n->dest, st) == 0) {
495 stat_type = st->st_mode & S_IFMT;
496 if (stat_type != etype) {
499 if (stat_type == S_IFDIR) {
501 if (dir_is_empty(n->dest)) {
506 if (n->hash && etype == S_IFREG && stat_type == S_IFREG) {
507 zpm_hash(n->dest, ehash, 0);
508 if (strcmp(n->hash, ehash) != 0) {
511 if (n->ohash && strcmp(n->ohash, ehash) != 0) {
515 if (n->hash && etype == S_IFLNK && stat_type == S_IFLNK) {
516 lsize = readlink(n->dest, link, sizeof link);
518 if (lsize == -1 || lsize == sizeof link) {
523 if (strcmp(n->target, link) != 0) {
528 if (n->uid != st->st_uid) {
532 if (n->gid != st->st_gid) {
536 if (n->mode != (st->st_mode & 07777)) {
542 case ENOENT: diff |= D_NOEXIST; break;
543 default: diff |= (D_STATERROR|D_ERROR); break;
551 /* 0 = not acceptable
552 * 1 = accept and create/update/remove
554 * 3 = remove and overwrite
555 * 4 = update metadata
557 static int acceptable(struct config *conf, unsigned int diffs, int op) {
558 int exist = (!(diffs & D_NOEXIST));
559 int sametype = (!(diffs & D_TYPE));
560 int mdsame = (!(diffs & D_MD));
561 int hashsame = (!(diffs & D_HASH));
562 int isdir = (diffs & D_ISDIR);
565 return op == OP_REMOVE ? 2 : 1;
568 if (op == OP_UPDATE) {
569 return sametype ? 4 : 3;
572 if (op == OP_REMOVE) {
576 /* the hard cases, should be installing new, but already exists */
579 return conf->overwrite ? 3 : 0;
582 if (mdsame && (conf->accept || conf->overwrite)) {
587 if (mdsame || conf->ignoredirmd) {
588 return conf->acceptdir ? 2 : 0;
590 if (conf->overwrite) {
595 if (hashsame && (conf->accept || conf->overwrite)) {
599 return conf->overwrite ? 3 : 0;
602 static int check_existing(void *f, int ncols, char **vals, char **cols) {
603 struct config *conf = f;
607 if (!read_item(conf, ncols, vals, cols, &nitem)) {
608 fprintf(stderr, "can't read item\n");
609 return conf->errabort;
612 if (conf->verbose > 1) {
613 fprintf(stderr, "check for existing %s\n", nitem.path);
616 if (lstat(nitem.path, &st) == -1) {
618 /* not an error, file shouldn't exist*/
621 fprintf(stderr, "unable to check %s: %s\n",
622 nitem.path, strerror(errno));
629 unsigned int diffs = file_compare(&nitem, &st);
630 int sametype = (!(diffs & D_TYPE));
632 if (diffs >= D_ERROR) {
633 return seterror(conf, "can't check %s", nitem.dest);
636 if (sametype && nitem.configuration) {
640 int action = acceptable(conf, diffs, nitem.op);
643 fprintf(stderr, "%s exists and is not acceptable\n", nitem.path);
645 fprintf(stderr, "%s exists\n", nitem.path);
653 static int remove_files(void *f, int ncols, char **vals, char **cols) {
654 struct config *conf = f;
660 if (!dest) return seterror(conf,"no file dest");
663 char *ftype = COL("filetype");
667 case 'd': printf("rmdir %s\n", dest); break;
668 default: printf("unlink %s\n", dest); break;
675 if (conf->progress == 2) {
676 fprintf(stderr, "%s(%s)\n", flags ? "rmdir" : "unlink", dest);
677 } else if (conf->progress == 1) {
679 pdots(50, '.', conf->ops_completed, conf->ops_completed + 1, conf->ops_total);
680 conf->ops_completed++;
681 conf->ops_completed++;
683 pdots(50, '.', conf->ops_completed, conf->ops_completed + 1, conf->ops_total);
684 conf->ops_completed++;
690 if (lstat(dest, &st) == -1) {
693 /* TODO chatter if verbose */
696 return seterror(conf, "can't stat %s: %s", dest, strerror(errno));
701 if (S_ISDIR(st.st_mode)) {
702 flags = AT_REMOVEDIR;
704 /* TODO check that expected filetype matches actual filetype */
708 if (unlinkat(AT_FDCWD, dest, flags) == -1) {
712 case ENOTEMPTY: /* fall through */
714 /* TODO chatter, or possibly require */
717 return seterror(conf, "can't unlink %s: %s", dest, strerror(errno));
724 #define MARK fprintf(stderr, "%s %d: mark\n", __func__, __LINE__)
726 static int remove_dir(struct config *conf, char *path) {
731 setsyserr(conf, "can't rmdir %s", path);
737 static int remove_existing(struct config *conf, char *path) {
742 setsyserr(conf, "can't unlink %s", path);
748 static int set_md(struct config *conf, struct nitem *item) {
753 if (item->ftype != 'l') {
754 printf("chmod %o %s\n", item->mode, item->dest);
756 if (conf->setuser && conf->setgroup) {
757 printf("lchown %d:%d %s\n", item->uid, item->gid,
760 printf("mtime %.0f %s\n", (double)item->mtime, item->dest);
765 if (conf->setuser && conf->setgroup) {
766 rv = lchown(item->dest, item->uid, item->gid);
768 setsyserr(conf, "can't lchown %s", item->dest);
769 return conf->errabort;
773 /* have to chmod after the chown, setuid bits may (and will)
774 * be cleared after a chown
776 /* can't chmod a symlink */
777 if (item->ftype != 'l') {
778 rv = chmod(item->dest, item->mode);
781 setsyserr(conf, "can't chmod %o %s", item->mode, item->dest);
782 return conf->errabort;
787 rv = utimensat(AT_FDCWD, item->dest, item->times, AT_SYMLINK_NOFOLLOW);
789 setsyserr(conf, "can't set mtime %.0f %s", (double)item->mtime,
791 return conf->errabort;
796 /* install a file or create a directory or symlink. path should not exist
799 /* flags: 1 = set md, 2 = create leading dirs, 4 = unlink existing file,
800 * 8 = rmdir existing dir, 16 = return true/false
804 #define INS_UNLINK 0x4
805 #define INS_RMDIR 0x8
807 #define INS_ZPMNEW 0x20
808 static int install(struct config *conf, struct nitem *item, unsigned int flags) {
812 int mkleading = (flags & 2);
813 int setmd = (flags & 1);
814 int unlink_file = (flags & 4);
815 int rm_dir = (flags & 8);
816 int failure = conf->errabort;
819 if (flags & INS_RTF) {
826 printf("unlink %s\n", item->dest);
828 printf("rmdir %s\n", item->dest);
831 printf("install %c%o %d:%d %s", item->ftype,
832 item->mode, item->uid, item->gid,
834 if (item->ftype == 'l') {
835 printf(" -> %s", item->target);
842 source = conf->src ? conf->src : conf->log;
845 rv = remove_existing(conf, item->dest);
847 rv = remove_dir(conf, item->dest);
855 rv = create_leading_dirs(item->dest);
857 setsyserr(conf, "can't create leading dirs for %s", item->dest);
863 switch (item->ftype) {
864 case 'r': rv = zpm_extract(source, item->hash, item->dest, item->mode);
865 if (rv == 0) rv = -1;
867 case 'd': rv = mkdir(item->dest, item->mode);
869 case 'l': rv = symlink(item->target, item->dest);
876 switch (item->ftype) {
878 seterror(conf, "can't extract %s", item->dest);
881 setsyserr(conf, "install mkdir(\"%s\") failed", item->dest);
884 setsyserr(conf, "install symlink(\"%s\") failed", item->dest);
887 setsyserr(conf, "installing %s failed", item->dest);
892 return set_md(conf, item) == 0 ? success : failure;
898 static int save_config_file(struct config *conf, struct nitem *n, char *msgfmt) {
899 char hash[ZPM_HASH_STRLEN+1];
902 msgfmt = "saved config file %.8s";
905 if (zpm_import(conf->log, n->dest, 0, hash)) {
906 zpm_note_add(conf->log, n->pkglist, n->path, hash, msgfmt, hash);
908 warn("unable to import existing config file %s", n->dest);
917 * figure out what the difference is for a config file, only called
918 * for an update of a configuration file
919 * return -1 on an error
920 * return 1 if the new file should not be installed
921 * return 0 if the new file should be installed
923 static int adjust_for_config(struct nitem *n, unsigned int diffs) {
925 if (!n->oldwasconf) {
929 int sametype = (!(diffs & D_TYPE));
930 int isdir = (diffs & D_ISDIR);
931 int eisdir = (diffs & D_EISDIR);
933 /* TODO what if old was a directory? */
934 if (!n->configuration) {
935 /* replacing conf with non-conf */
936 /* absorb file, mark todo */
940 /* both old and new are config files */
941 if (isdir && sametype) {
942 /* both config directories, can only be changing
943 * metadata, so no adjustment needed
953 /* replacing old conf directory with a conf file.
954 * nothing needs to be done, if the directory
955 * is empty, it's ok to remove. if it's not empty,
956 * the install will fail
961 /* replacing old file with new file */
962 /* new is same as on disk */
963 if (!(diffs & D_HASH)) {
967 /* new is different than on disk, but on disk is same as old */
968 if (!(diffs & D_OHASH)) {
977 static int config_handler(void *f, int ncols, char **vals, char **cols) {
978 struct config *conf = f;
980 struct stat existing;
986 if (!read_item(conf, ncols, vals, cols, &nitem)) {
987 fprintf(stderr, "can't read item\n");
989 return conf->errabort;
992 unsigned int diffs = file_compare(&nitem, &existing);
993 if (diffs >= D_ERROR) {
994 return seterror(conf, "can't check %s", nitem.dest);
997 int exist = (!(diffs & D_NOEXIST));
998 int sametype = (!(diffs & D_TYPE));
999 //int mdsame = (!(diffs & D_MD));
1000 int hashsame = (!(diffs & D_HASH));
1001 int oldhashsame = (!(diffs & D_OHASH));
1002 int isdir = (diffs & D_ISDIR);
1003 int eisdir = (diffs & D_EISDIR);
1004 update = (nitem.op == OP_UPDATE);
1006 notehash = nitem.hash;
1008 /* if the file doesn't exist in the system, nothing to do */
1009 /* could possibly note if we expected it, but the regular handling
1016 if (nitem.op == OP_UPDATE && !nitem.oldwasconf) {
1017 /* possibly save anyway */
1021 /* so, old was conf, and something exists in the filesystem */
1024 warn("won't %s %s%s, %s exists",
1025 nitem.op == OP_NEW ? "install" : nitem.opstr,
1028 eisdir ? "directory" : "file"
1031 return conf->errabort;
1034 /* all below are same type of file */
1035 /* what about sametype, but old was different type */
1041 /* save or note cases */
1043 if (nitem.op == OP_REMOVE) {
1044 save ="saved removed config file %.8s";
1047 if (nitem.op == OP_UPDATE) {
1048 if (!nitem.configuration) {
1049 /* replacing config with non-config */
1050 save = "replacing configuration file %.8s with non-configuration file";
1051 } else if (oldhashsame) {
1052 /* config file hasn't changed from old default,
1053 * so go ahead and install the new one
1055 save = "replaced old default config (%.8s) with new one.";
1056 notehash = nitem.ohash;
1058 note = "kept existing config file. new default version is %.8s";
1063 if (nitem.op == OP_NEW && !hashsame) {
1064 note = "config file already existed. would have installed %.8s";
1069 * save files, add notes
1071 if (!conf->dryrun) {
1073 warn("saving config file: %s (root %s)", nitem.path, conf->rootdir ? conf->rootdir : "/");
1074 save_config_file(conf, &nitem, save);
1077 zpm_note_add(conf->log, nitem.pkglist, nitem.path, nitem.hash,
1082 fprintf(stderr, "dry run: %s %s: ", nitem.pkglist,
1084 warn(save, notehash);
1087 fprintf(stderr, "dry run: %s %s: ", nitem.pkglist,
1089 warn(note, notehash);
1097 static void handle_config_files(struct config *conf) {
1103 s = sqlite3_str_new(conf->log->db);
1104 sqlite3_str_appendall(s, "select *, ");
1105 if (conf->rootdir) {
1106 sqlite3_str_appendf(s, "printf('%%s/%%s',rtrim(%Q,'/'),ltrim(path,'/'))", conf->rootdir);
1108 sqlite3_str_appendf(s, "printf('/%%s', trim(path, '/'))");
1110 sqlite3_str_appendall(s, " as dest from syncinfo");
1112 sqlite3_str_appendall(s," where configuration > 0 and op in ('new','update','remove')");
1114 if (conf->reverse) {
1115 sqlite3_str_appendall(s," order by length(path) desc, path desc");
1118 sql = sqlite3_str_value(s);
1120 rv = zpm_exec(conf->log, sql, config_handler, conf, &errmsg);
1122 sqlite3_str_finish(s);
1125 fprintf(stderr, "exec fail: %s\n", sqlite3_errstr(rv));
1127 fprintf(stderr, "database error: %s\n", errmsg);
1130 if (conf->log->error == 1) {
1131 fprintf(stderr, "unable to allocate memory\n");
1133 fprintf(stderr, "zpm_exec failure: %s\n",
1134 conf->log->errmsg ? conf->log->errmsg : "unknown");
1138 if (conf->errors && conf->exitonerror) {
1139 zpm_close(conf->log);
1140 zpm_close(conf->src);
1145 static int install_files(void *f, int ncols, char **vals, char **cols) {
1146 struct config *conf = f;
1148 struct stat existing;
1151 /* TODO put the result row in a hash table. May not actually
1154 if (!read_item(conf, ncols, vals, cols, &nitem)) {
1155 fprintf(stderr, "can't read item\n");
1156 return conf->errabort;
1161 used = sqlite3_memory_used()/1024/1024;
1162 high = sqlite3_memory_highwater(0)/1024/1024;
1163 fprintf(stderr, "memory = %ld MB / %ld MB\n", used, high);
1165 if (conf->verbose && !conf->dryrun) {
1166 if (conf->progress == 2) {
1167 fprintf(stderr, "%s '%c' %s\n", nitem.opstr, nitem.ftype,
1169 } else if (conf->progress == 1) {
1171 pdots(50, '.', conf->ops_completed, conf->ops_completed + 1, conf->ops_total);
1172 conf->ops_completed++;
1173 conf->ops_completed++;
1175 pdots(50, '.', conf->ops_completed, conf->ops_completed + 1, conf->ops_total);
1176 conf->ops_completed++;
1180 unsigned int diffs = file_compare(&nitem, &existing);
1181 if (diffs >= D_ERROR) {
1182 return seterror(conf, "can't check %s", nitem.dest);
1186 * exist & same type & md same & hash same: do nothing, but warn bug
1187 * exist & same type & md diff & hash same: fix md
1188 * exist & same type & md same & hash diff: replace
1189 * exist & same type & md diff & hash diff: replace & fix
1190 * no exist: install and warn
1191 * dir & not dir : remove, mkdir
1192 * not dir & not dir & diff type: remove, install
1193 * not dir & dir : remove dir if empty, error if not empty, install
1196 * no exist: create leading dirs, install
1198 * exist & same type & md same & hash same & accept or over: do nothing
1199 * exist & same & md diff or hash diff & overwrite : update
1200 * exist & same & md diff or hash diff & accept : error, can't accept
1201 * exist & same & md diff or hash diff & not accept : error
1203 * exist & different type & not overwrite : error
1204 * not dir & not dir & overwrite : remove and install
1205 * not dir & dir & overwrite: remove empty or error, install
1206 * dir & dir & overwrite: fix md
1207 * dir & not dir & overwrite: remove and mkdir
1209 int exist = (!(diffs & D_NOEXIST));
1210 int sametype = (!(diffs & D_TYPE));
1211 int mdsame = (!(diffs & D_MD));
1212 int hashsame = (!(diffs & D_HASH));
1213 int ohashsame = (!(diffs & D_OHASH));
1214 int isdir = (diffs & D_ISDIR);
1215 int eisdir = (diffs & D_EISDIR);
1216 int accept = conf->accept;
1217 int overwrite = conf->overwrite;
1218 int installing = (nitem.op == OP_NEW);
1219 update = (nitem.op == OP_UPDATE);
1221 /* if a config file doesn't exist on disk, go ahead and do
1222 * whatever you were going to do, this logic here just
1223 * needs to determine if we should skip what we were going to do
1225 * if the old item was a configuration item and the new one isn't, it
1226 * will have been saved earlier, so we can just go ahead. so we only
1227 * test for an existing file, where the item is a configuration file
1229 if (nitem.configuration && exist) {
1230 if (!sametype && !conf->overwrite) {
1231 return seterror(conf, "configuration file exists with different type: %s", nitem.dest);
1238 if (isdir && !mdsame) return 0;
1239 if (!isdir && !ohashsame) return 0;
1244 /* warn, it should exist */
1245 fprintf(stderr, "%s missing, installing\n", nitem.dest);
1246 return install(conf, &nitem, 3);
1249 /* file exists in filesystem */
1251 if (mdsame && hashsame) {
1252 /* warn, bug in logic. This shouldn't occur,
1253 * because if there is nothing to do, it
1254 * shouldn't be listed as an update
1256 /* could be an update. We're checking against
1257 * what's actually on disk, not what was
1258 * expected to have been on disk. So, if
1259 * the admin has modified the file, or if
1260 * it had been installed ignoring the user
1261 * and group, it might be correct on disk
1262 * but not as in the local database
1264 /* TODO detect whether this a logic bug or
1265 * an on-disk difference
1268 fprintf(stderr, "%s should not be an update\n", nitem.dest);
1269 fprintf(stderr, "old hash: %s\n", nitem.ohash);
1270 fprintf(stderr, "new hash: %s\n", nitem.hash);
1271 fprintf(stderr, "old mds: %s\n", nitem.omds);
1272 fprintf(stderr, "new mds: %s\n", nitem.mds);
1277 if (!mdsame && hashsame) {
1279 return set_md(conf, &nitem);
1281 if (mdsame && !hashsame) {
1283 return install(conf, &nitem, 3);
1285 if (!mdsame && !hashsame) {
1287 return install(conf, &nitem, 3);
1291 /* file exists, and is not the same type */
1293 if (isdir && !eisdir) {
1294 /* remove existing */
1296 return install(conf, &nitem, 7);
1298 if (!isdir && eisdir) {
1299 /* remove dir, or error */
1301 return install(conf, &nitem, 11);
1303 if (!isdir && !isdir) {
1304 /* necessarily !sametype, sametype handled above */
1305 /* remove existing */
1307 return install(conf, &nitem, 7);
1309 /* error, should not be possible, assert(0)? */
1310 fprintf(stderr,"impossible state: %s:%d\n", __func__, __LINE__);
1315 return install(conf, &nitem, 3);
1318 /* file exists in filesystem */
1320 if (mdsame && hashsame && (accept || overwrite)) {
1322 if (conf->dryrun || conf->verbose) {
1323 fprintf(stderr, "accept %s: %s\n",
1324 eisdir ? "directory" : "file", nitem.dest);
1329 if (mdsame && isdir && conf->acceptdir) {
1333 if (!mdsame && isdir && conf->ignoredirmd) {
1334 /* TODO warn ignoring dir md */
1338 if (mdsame && hashsame && !(accept || overwrite)) {
1340 return seterror(conf, "file exists: %s", nitem.dest);
1343 if (mdsame && !hashsame && overwrite) {
1345 return install(conf, &nitem, eisdir ? 11 : 7);
1348 if (nitem.configuration && accept) {
1349 /* accept a changed config file */
1350 if (conf->dryrun || conf->verbose) {
1351 fprintf(stderr, "accept %smodified config %s: %s\n", (!mdsame || !hashsame) ? "" : "un",
1352 eisdir ? "directory" : "file", nitem.dest);
1357 if (mdsame && !hashsame && !overwrite) {
1358 /* accept doesn't matter, since it's
1359 * not an acceptable file */
1361 if (nitem.ftype == 'l') {
1364 lsize = readlink(nitem.dest, link, sizeof link);
1365 if (lsize == -1 || (size_t)lsize >= sizeof link) {
1366 return seterror(conf, "%s (linkdiff): expecting %s -> %s, unable to read link", accept ? "existing file not acceptable" : "file exists", nitem.dest, nitem.target, link);
1369 /* links must be different */
1370 return seterror(conf, "%s (linkdiff): expecting %s -> %s, have -> %s", accept ? "existing file not acceptable" : "file exists", nitem.dest, nitem.target, link);
1373 return seterror(conf, "%s (hashdiff): %s", accept ? "existing file not acceptable" : "file exists", nitem.dest);
1376 if (!mdsame && hashsame && overwrite) {
1378 return set_md(conf, &nitem);
1380 if (!mdsame && hashsame && !overwrite) {
1381 /* accept doesn't matter, since it's
1382 * not an acceptable file */
1384 return seterror(conf, "%s (mddiff): %s", accept ? "existing file not acceptable" : "file exists", nitem.dest);
1386 if (!mdsame && !hashsame && overwrite) {
1388 return install(conf, &nitem, eisdir ? 11 : 7);
1390 if (!mdsame && !hashsame && !overwrite) {
1391 /* accept doesn't matter, since it's
1392 * not an acceptable file */
1394 return seterror(conf, "%s (md+hash): %s", accept ? "existing file not acceptable" : "file exists", nitem.dest);
1396 /* TODO error, should be impossible */
1397 return seterror(conf, "impossible state reached");
1400 /* file exists, and is not the same type */
1403 return seterror(conf, "%s (difftype): %s", accept ? "existing file not acceptable" : "file exists", nitem.dest);
1406 /* not the same type, but ok to overwrite */
1408 /* remove existing */
1409 return install(conf, &nitem, 7);
1412 /* existing path is a directory */
1415 /* impossible, if isdir and eisdir, would
1419 return set_md(conf, &nitem);
1421 /* remove empty dir or error */
1423 return install(conf, &nitem, 11);
1425 /* if we get here, we missed a case */
1427 return seterror(conf, "impossible state 2 reached");
1430 /* TODO extra verbose print perms, mtime, etc, probably ls -l
1433 if (conf->verbose) {
1434 printf("%s\n", nitem.path);
1440 static void check_conflicts(struct config *conf, char *conflict_type,
1441 int (callback)(void *, int, char **, char **)) {
1447 s = sqlite3_str_new(conf->log->db);
1448 sqlite3_str_appendall(s, "select *, ");
1449 if (conf->rootdir) {
1450 sqlite3_str_appendf(s, "printf('%%s/%%s',rtrim(%Q,'/'),ltrim(path,'/'))", conf->rootdir);
1452 sqlite3_str_appendf(s, "printf('/%%s', trim(path, '/'))");
1454 sqlite3_str_appendall(s, " as dest from syncconflicts");
1456 if (conflict_type) {
1457 sqlite3_str_appendf(s," where conflict = %Q", conflict_type);
1459 if (conf->reverse) {
1460 sqlite3_str_appendall(s," order by length(path) desc, path desc,pkgid collate vercmp desc, conflict desc");
1462 sqlite3_str_appendall(s," order by length(path), path, pkgid collate vercmp, conflict");
1466 sql = sqlite3_str_value(s);
1468 rv = zpm_exec(conf->log, sql, callback, conf, &errmsg);
1470 sqlite3_str_finish(s);
1473 fprintf(stderr, "exec fail: %s\n", sqlite3_errstr(rv));
1475 fprintf(stderr, "database error: %s\n", errmsg);
1478 if (conf->log->error == 1) {
1479 fprintf(stderr, "unable to allocate memory\n");
1481 fprintf(stderr, "zpm_exec failure: %s\n",
1482 conf->log->errmsg ? conf->log->errmsg : "unknown");
1485 if (conf->log->errmsg) {
1486 fprintf(stderr, "error: %s\n", conf->log->errmsg);
1488 if (conf->errors && conf->exitonerror) {
1489 zpm_close(conf->log);
1490 zpm_close(conf->src);
1493 /* TODO final report function in conf var */
1496 static void runstage(struct config *conf, char *stage,
1497 int (callback)(void *, int, char **, char **)) {
1503 s = sqlite3_str_new(conf->log->db);
1504 sqlite3_str_appendall(s, "select *, ");
1505 if (conf->rootdir) {
1506 sqlite3_str_appendf(s, "printf('%%s/%%s',rtrim(%Q,'/'),ltrim(path,'/'))", conf->rootdir);
1508 sqlite3_str_appendf(s, "printf('/%%s', trim(path, '/'))");
1510 sqlite3_str_appendall(s, " as dest from syncinfo");
1513 sqlite3_str_appendf(s," where op = %Q", stage);
1515 if (conf->reverse) {
1516 sqlite3_str_appendall(s," order by length(path) desc, path desc");
1519 sql = sqlite3_str_value(s);
1521 rv = zpm_exec(conf->log, sql, callback, conf, &errmsg);
1523 sqlite3_str_finish(s);
1526 fprintf(stderr, "exec fail: %s\n", sqlite3_errstr(rv));
1528 fprintf(stderr, "database error: %s\n", errmsg);
1531 if (conf->log->error == 1) {
1532 fprintf(stderr, "unable to allocate memory\n");
1534 fprintf(stderr, "zpm_exec failure: %s\n",
1535 conf->log->errmsg ? conf->log->errmsg : "unknown");
1539 if (conf->log->errmsg) {
1540 fprintf(stderr, "error: %s\n", conf->log->errmsg);
1543 if (conf->errors && conf->exitonerror) {
1544 zpm_close(conf->log);
1545 zpm_close(conf->src);
1548 /* TODO final report function in conf var */
1551 static void count_ops(struct config *conf) {
1552 conf->ops_remove = zpm_db_int(conf->log, "select count(*) from syncinfo where op = 'remove'");
1553 conf->ops_update = zpm_db_int(conf->log, "select count(*) from syncinfo where op = 'update'");
1554 conf->ops_install = zpm_db_int(conf->log, "select count(*) from syncinfo where op = 'new'");
1555 conf->ops_total = conf->ops_remove + conf->ops_update + conf->ops_install;
1558 int main(int ac, char **av) {
1562 char *pkgdbfile = 0, *localdbfile = 0;
1565 struct config conf = { 0 };
1582 if (geteuid() != 0) {
1587 localdbfile = ZPM_LOCAL_DB;
1588 if ((s = getenv("ZPMDB"))) {
1589 /* TODO does this need to be copied ? */
1593 if ((s = getenv("ZPM_ROOT_DIR"))) {
1594 /* TODO does this need to be copied ? */
1599 * -d localdb or ZPMDB * or /var/lib/zpm/zpm.db, or die
1600 * -f 'package database', otherwise regular default of env
1601 * ZPM_PACKAGE_FILE, or use pkgdb if otherwise not found
1602 * -R root of pkg, will just chdir there
1604 * args are pkgid triple, but will do a pkg find on the pkgdb
1607 while ((opt = getopt(ac, av, "f:d:c:nCR:vOAMDp")) != -1) {
1609 case 'd': localdbfile = optarg; break;
1610 case 'f': pkgdbfile = optarg; break;
1611 case 'n': conf.dryrun = 1; break;
1612 case 'v': conf.verbose++; break;
1613 case 'C': conf.errabort = 0; break;
1614 case 'R': conf.rootdir = optarg; break;
1615 case 'N': conf.setuser = 0; conf.setgroup = 0; break;
1616 case 'O': conf.overwrite = 1; break;
1617 case 'A': conf.accept = 1; break;
1618 case 'M': conf.ignoredirmd = 1;
1619 case 'D': conf.acceptdir = 0;
1620 case 'p': conf.progress++;
1628 /* verify root dir exists */
1629 if (conf.rootdir && !exists(conf.rootdir, NULL)) {
1630 fprintf(stderr, "rootdir %s does not exist\n", conf.rootdir);
1633 if (!zpm_open(&localdb, localdbfile)) {
1634 fprintf(stderr, "can't open zpm db %s\n", localdbfile);
1637 conf.log = &localdb;
1640 /* TODO open read-only */
1641 if (!zpm_open(&pkgdb, pkgdbfile)) {
1642 fprintf(stderr, "can't open src db %s\n", localdbfile);
1649 /* TODO find pkgid from arg */
1651 /* TODO set conf var to finalize error reporting */
1653 fprintf(stderr, "syncing filesystem %s (ldb %s) from %s\n",
1654 conf.rootdir ? conf.rootdir : "/",
1655 localdbfile, pkgdbfile);
1659 conf.exitonerror = 0;
1660 check_conflicts(&conf, NULL, report_conflicts);
1662 if (conf.conflicts) {
1663 fprintf(stderr, "%d conflicts reported, aborting sync\n",
1667 /* no point in running it if we're just going to
1668 * overwrite everything
1670 if (!conf.overwrite && !conf.accept && !conf.dryrun) {
1671 runstage(&conf, "new", check_existing);
1675 fprintf(stderr, "beginning %ssync\n", conf.dryrun ?
1680 handle_config_files(&conf);
1683 /* have to do the removes first otherwise
1684 * old files may conflict with update file
1688 conf.exitonerror = conf.dryrun ? 0 : 1;
1689 conf.errabort = conf.dryrun ? 0 : 1;
1691 fprintf(stderr, "file ops: %d\n", conf.ops_total);
1692 if (conf.ops_remove > 0) {
1694 fprintf(stderr, "removing %d file%s\n", conf.ops_remove, conf.ops_remove > 1 ? "s" : "");
1697 conf.ops_completed = 0;
1698 conf.ops_total = conf.ops_remove;
1699 runstage(&conf, "remove", remove_files);
1700 if (conf.verbose && conf.progress < 2) {
1701 fprintf(stderr, " done\n");
1706 if (conf.ops_update > 0) {
1708 fprintf(stderr, "updating %d file%s\n", conf.ops_update, conf.ops_update > 1 ? "s" : "");
1711 conf.ops_completed = 0;
1712 conf.ops_total = conf.ops_update;
1713 runstage(&conf, "update", install_files);
1714 if (conf.verbose && conf.progress < 2) {
1715 fprintf(stderr, " done\n");
1720 if (conf.ops_install > 0) {
1722 fprintf(stderr, "installing %d file%s\n", conf.ops_install, conf.ops_install > 1 ? "s" : "");
1725 conf.ops_completed = 0;
1726 conf.ops_total = conf.ops_install;
1727 runstage(&conf, "new", install_files);
1728 if (conf.verbose && conf.progress < 2) {
1729 fprintf(stderr, " done\n");
1736 zpm_close(&localdb);
1737 zpm_close(conf.src);
1738 return conf.errors ? 1 : 0;