#include #include #include #include #include #include #include #include #include #include #include string get_name(Header header, int_32 tag) { int_32 type, count; char *name; headerGetEntry(header, tag, &type, (void **) &name, &count); return string(name); } int get_int(Header header, int_32 tag) { int_32 type, count; int *i; headerGetEntry(header, tag, &type, (void **) &i, &count); return *i; } vector get_info(Header header, int_32 tag) { int_32 type, count, i; vector r; char **list; headerGetEntry(header, tag, &type, (void **) &list, &count); if (list) { r.reserve(count); for (i = 0; i < count; i++) r.push_back(list[i]); } return r; } template C sum(const V &v, const C &join = C()) { typename V::const_iterator p, q; C s = C(); if (v.begin() != v.end()) { for (p = q = v.begin(), q++; q != v.end(); p = q, q++) s += *p + join; s += *p; } return s; } template void map_insert(map > &m, const A &a, const B &b) { if (m.find(a) == m.end()) m[a] = *(new set); m[a].insert(b); } template bool in(const A &a, const vector &v) { vector ::const_iterator p; for (p = v.begin(); p != v.end(); p++) if (*p == a) return 1; return 0; } typedef vector::iterator IT; #define myerror(e) { checknberrors(); e; return; } struct pack { int nberrors; static const int max_errors = 20; ofstream html, text; vector packages; map short_name; map size; map > requires; map > provides; map > > pack_requires; pack(string name) : nberrors(0), html((name + ".html").c_str()), text(name.c_str()) { if (!html || !text) { cerr << "rpmpackdeps: can't output files\n"; exit(1); } } void checknberrors() { if (nberrors++ == max_errors) { cerr << "rpmpackdeps: too many errors, leaving!\n"; exit(1); } } int get_package_info(Header header) { string s_name = get_name(header, RPMTAG_NAME); string name = s_name + "-" + get_name(header, RPMTAG_VERSION) + "-" + get_name(header, RPMTAG_RELEASE); packages.push_back(name); short_name[name] = s_name; requires[name] = get_info(header, RPMTAG_REQUIRENAME); size[name] = get_int(header, RPMTAG_SIZE); map_insert(provides, s_name, name); vector provide = get_info(header, RPMTAG_PROVIDES); vector files = get_info(header, RPMTAG_OLDFILENAMES); for (IT p = provide.begin(); p != provide.end(); p++) map_insert(provides, *p, name); for (IT p = files.begin(); p != files.end(); p++) map_insert(provides, *p, name); headerFree(header); return 1; } void sort() { std::sort(packages.begin(), packages.end()); } set > closure(const string &package) { if (pack_requires.find(package) != pack_requires.end()) return pack_requires[package]; set > l; pack_requires[package] = l; // to avoid circular graphs for (IT q = requires[package].begin(); q != requires[package].end(); q++) { set s; if (provides.find(*q) == provides.end()) { cerr << package << " requires " << *q << " but no package provide it\n"; s.insert("NOTFOUND_" + *q); } else { for (set::const_iterator p = provides[*q].begin(); p != provides[*q].end(); p++) { if (*p == package) { s.clear(); break; } s.insert(*p); } if (provides[*q].size() == 1) { #ifdef CLOSURE set > c = closure(st); l.insert(c.begin(), c.end()); #endif } } l.insert(s); } return pack_requires[package] = l; } void print_deps() { html << "
\n"; for (IT package = packages.begin(); package != packages.end(); package++) { set > l = closure(*package); text << *package << " " << size[*package] << " "; html << "
" << *package << "
"; for (set >::const_iterator p = l.begin(); p != l.end(); p++) { text << sum(*p, string("|")) << " "; html << sum(*p, string(" or ")) << "
"; } text << "\n"; html << "\n"; } html << "
\n"; } }; void printHelp(char * name) { cerr << "usage: \n" << name << " -h name hdlists...\n" << name << " -f name rpms...\n"; } int main(int argc, char **argv) { if (argc > 3) { if (!strcmp(argv[1],"-h")) { //Mode Hdlist pack p(argv[2]); for (int i = 3; i < argc; i++) { FD_t fd = strcmp(argv[i], "-") == 0 ? fdDup(STDIN_FILENO) : fdOpen(argv[i], O_RDONLY, 0); if (fdFileno(fd) < 0) cerr << "rpmpackdeps: cannot open file " << argv[i] << "\n"; else { Header header; while ((header=headerRead(fd, HEADER_MAGIC_YES))) p.get_package_info(header); } fdClose(fd); } p.sort(); p.print_deps(); return 0; } else { int i=2; if (!strcmp(argv[1],"-f")) i++; //Mode rpm pack p(argv[2]); for (int i = 3; i < argc; i++) { FD_t fd = fdOpen(argv[i], O_RDONLY, 0); if (fdFileno(fd) < 0) cerr << argv[0] << ": cannot open file " << argv[i] << "\n"; Header header; if (rpmReadPackageInfo(fd, NULL, &header)) cerr << argv[0] <<" : " << argv[i] << " does not appear to be a RPM package\n"; else p.get_package_info(header); fdClose(fd); } p.sort(); p.print_deps(); return 0; } } else { printHelp(argv[0]); return 1; } }