8 #include <rpm/rpmtypes.h>
9 #include <rpm/rpmlib.h> /* rpmReadPackageFile */
10 #include <rpm/rpmts.h>
11 #include <rpm/rpmmacro.h> /* XXX rpmExpand */
12 #include <rpm/rpmfileutil.h>
13 #include <rpm/rpmlog.h>
15 #include "lib/rpmgi.h"
16 #include "lib/manifest.h"
21 rpmgiFlags giFlags = RPMGI_NONE;
26 rpmts ts; /*!< Iterator transaction set. */
28 rpmgiFlags flags; /*!< Iterator control bits. */
29 int i; /*!< Element index. */
37 * Open a file after macro expanding path.
38 * @todo There are two error messages printed on header, then manifest failures.
39 * @param path file path
40 * @param fmode open mode
43 static FD_t rpmgiOpen(const char * path, const char * fmode)
45 char * fn = rpmExpand(path, NULL);
46 FD_t fd = Fopen(fn, fmode);
48 if (fd == NULL || Ferror(fd)) {
49 rpmlog(RPMLOG_ERR, _("open of %s failed: %s\n"), fn, Fstrerror(fd));
50 if (fd != NULL) (void) Fclose(fd);
59 * Load manifest into iterator arg list.
60 * @param gi generalized iterator
61 * @param path file path
62 * @return RPMRC_OK on success
64 static rpmRC rpmgiLoadManifest(rpmgi gi, const char * path)
66 FD_t fd = rpmgiOpen(path, "r.ufdio");
67 rpmRC rpmrc = RPMRC_FAIL;
70 rpmrc = rpmReadPackageManifest(fd, &gi->argc, &gi->argv);
77 * Return header from package.
78 * @param gi generalized iterator
79 * @param path file path
80 * @retval hdrp header (NULL on failure)
81 * @return 1 if path could be opened, 0 if not
83 static int rpmgiReadHeader(rpmgi gi, const char * path, Header * hdrp)
85 FD_t fd = rpmgiOpen(path, "r.ufdio");
89 /* XXX what if path needs expansion? */
90 rpmRC rpmrc = rpmReadPackageFile(gi->ts, fd, path, &h);
96 /* XXX Read a package manifest. Restart ftswalk on success. */
101 case RPMRC_NOTTRUSTED:
113 * Read next header from package, lazily expanding manifests as found.
114 * @todo An empty file read as manifest truncates argv returning RPMRC_NOTFOUND.
115 * @todo Chained manifests lose an arg someplace.
116 * @param gi generalized iterator
117 * @return header on success
119 static Header rpmgiLoadReadHeader(rpmgi gi)
123 if (gi->argv != NULL && gi->argv[gi->i] != NULL)
125 char * fn = gi->argv[gi->i];
126 int rc = rpmgiReadHeader(gi, fn, &h);
128 if (h != NULL || (gi->flags & RPMGI_NOMANIFEST) || rc == 0)
131 /* Not a header, so try for a manifest. */
132 gi->argv[gi->i] = NULL; /* Mark the insertion point */
133 if (rpmgiLoadManifest(gi, fn) != RPMRC_OK) {
134 gi->argv[gi->i] = fn; /* Manifest failed, restore fn */
136 _("%s: not an rpm package (or package manifest)\n"), fn);
147 * Append globbed arg list to iterator.
148 * @param gi generalized iterator
149 * @param argv arg list to be globbed (or NULL)
151 static void rpmgiGlobArgv(rpmgi gi, ARGV_const_t argv)
153 if (argv == NULL) return;
155 /* XXX Expand globs only if requested */
156 if ((gi->flags & RPMGI_NOGLOB)) {
157 argvAppend(&gi->argv, argv);
160 while ((arg = *argv++) != NULL) {
161 char * t = rpmEscapeSpaces(arg);
164 if (rpmGlob(t, NULL, &av) == 0) {
165 argvAppend(&gi->argv, av);
171 gi->argc = argvCount(gi->argv);
176 rpmgi rpmgiFree(rpmgi gi)
182 memset(gi, 0, sizeof(*gi)); /* XXX trash and burn */
188 rpmgi rpmgiNew(rpmts ts, rpmgiFlags flags, ARGV_const_t argv)
190 rpmgi gi = xcalloc(1, sizeof(*gi));
192 gi->ts = rpmtsLink(ts);
199 gi->argv = argvNew();
201 rpmgiGlobArgv(gi, argv);
206 Header rpmgiNext(rpmgi gi)
210 if (gi != NULL && ++gi->i >= 0) {
212 * Read next header, lazily expanding manifests as found,
213 * count + skip errors.
215 while (gi->i < gi->argc) {
216 if ((h = rpmgiLoadReadHeader(gi)) != NULL)
222 /* Out of things to try, end of iteration */
230 int rpmgiNumErrors(rpmgi gi)
232 return (gi != NULL ? gi->errors : -1);