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lib/poptI.cc
288 строк
11 KB
Panu Matilainen
Avoid undefined behavior from signed integer shift wraparound
14 июл 2026, 12:37
14 июл 2026, 12:37
491c3aa
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/** \ingroup rpmcli * \file lib/poptI.c * Popt tables for install modes. */ #include "system.h" #include <string.h> #include <rpm/rpmcli.h> #include "debug.h" struct rpmInstallArguments_s rpmIArgs = { 0, /* transFlags */ 0, /* probFilter */ 0, /* installInterfaceFlags */ 0, /* numRelocations */ 0, /* noDeps */ 0, /* incldocs */ NULL, /* relocations */ NULL, /* prefix */ }; #define POPT_RELOCATE -1021 #define POPT_EXCLUDEPATH -1022 RPM_GNUC_NORETURN static void argerror(const char * desc) { fprintf(stderr, "%s: %s\n", rgetprogname(), desc); exit(EXIT_FAILURE); } /** */ static void installArgCallback( poptContext con, enum poptCallbackReason reason, const struct poptOption * opt, const char * arg, const void * data) { struct rpmInstallArguments_s * ia = &rpmIArgs; /* XXX avoid accidental collisions with POPT_BIT_SET for flags */ if (opt->arg == NULL) switch (opt->val) { case 'i': ia->installInterfaceFlags |= INSTALL_INSTALL; break; case POPT_EXCLUDEPATH: if (arg == NULL || *arg != '/') argerror(_("exclude paths must begin with a /")); ia->relocations = xrealloc(ia->relocations, sizeof(*ia->relocations) * (ia->numRelocations + 1)); ia->relocations[ia->numRelocations].oldPath = xstrdup(arg); ia->relocations[ia->numRelocations].newPath = NULL; ia->numRelocations++; break; case POPT_RELOCATE: { char * oldPath = NULL; char * newPath = NULL; if (arg == NULL || *arg != '/') argerror(_("relocations must begin with a /")); oldPath = xstrdup(arg); if (!(newPath = strchr(oldPath, '='))) argerror(_("relocations must contain a =")); *newPath++ = '\0'; if (*newPath != '/') argerror(_("relocations must have a / following the =")); ia->relocations = xrealloc(ia->relocations, sizeof(*ia->relocations) * (ia->numRelocations + 1)); ia->relocations[ia->numRelocations].oldPath = oldPath; ia->relocations[ia->numRelocations].newPath = newPath; ia->numRelocations++; } break; case RPMCLI_POPT_NODEPS: ia->noDeps = 1; break; case RPMCLI_POPT_NOFILEDIGEST: ia->transFlags |= RPMTRANS_FLAG_NOFILEDIGEST; break; case RPMCLI_POPT_NOCONTEXTS: ia->transFlags |= RPMTRANS_FLAG_NOCONTEXTS; break; case RPMCLI_POPT_NOCAPS: ia->transFlags |= RPMTRANS_FLAG_NOCAPS; break; case RPMCLI_POPT_FORCE: ia->probFilter |= ( RPMPROB_FILTER_REPLACEPKG | RPMPROB_FILTER_REPLACEOLDFILES | RPMPROB_FILTER_REPLACENEWFILES | RPMPROB_FILTER_OLDPACKAGE ); break; case RPMCLI_POPT_NOSCRIPTS: ia->transFlags |= (_noTransScripts | _noTransTriggers); break; } } /** */ struct poptOption rpmInstallPoptTable[] = { /* FIX: cast? */ { NULL, '\0', POPT_ARG_CALLBACK | POPT_CBFLAG_INC_DATA | POPT_CBFLAG_CONTINUE, (void *)installArgCallback, 0, NULL, NULL }, { "allfiles", '\0', POPT_BIT_SET, &rpmIArgs.transFlags, RPMTRANS_FLAG_ALLFILES, N_("install all files, even configurations which might otherwise be skipped"), NULL}, { "allmatches", '\0', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, UNINSTALL_ALLMATCHES, N_("remove all packages which match <package> (normally an error is generated if <package> specified multiple packages)"), NULL}, { "badreloc", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, RPMPROB_FILTER_FORCERELOCATE, N_("relocate files in non-relocatable package"), NULL}, { "deploops", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, (int)RPMTRANS_FLAG_DEPLOOPS, N_("print dependency loops as warning"), NULL}, { "erase", 'e', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, INSTALL_ERASE, N_("erase (uninstall) package"), N_("<package>+") }, { "excludeartifacts", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOARTIFACTS, N_("do not install artifacts"), NULL}, { "excludeconfigs", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOCONFIGS, N_("do not install configuration files"), NULL}, { "excludedocs", '\0', POPT_BIT_SET, &rpmIArgs.transFlags, RPMTRANS_FLAG_NODOCS, N_("do not install documentation"), NULL}, { "excludepath", '\0', POPT_ARG_STRING, 0, POPT_EXCLUDEPATH, N_("skip files with leading component <path> "), N_("<path>") }, { "force", '\0', 0, NULL, RPMCLI_POPT_FORCE, N_("short hand for --replacepkgs --replacefiles"), NULL}, { "freshen", 'F', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, (INSTALL_UPGRADE|INSTALL_FRESHEN|INSTALL_INSTALL), N_("upgrade package(s) if already installed"), N_("<packagefile>+") }, { "hash", 'h', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, INSTALL_HASH, N_("print hash marks as package installs (good with -v)"), NULL}, { "ignorearch", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, RPMPROB_FILTER_IGNOREARCH, N_("don't verify package architecture"), NULL}, { "ignoreos", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, RPMPROB_FILTER_IGNOREOS, N_("don't verify package operating system"), NULL}, { "ignoresize", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, (RPMPROB_FILTER_DISKSPACE|RPMPROB_FILTER_DISKNODES), N_("don't check disk space before installing"), NULL}, { "noverify", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, (RPMPROB_FILTER_VERIFY), N_("short hand for --ignorepayload --ignoresignature"), NULL}, { "includedocs", '\0', POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.incldocs, 0, N_("install documentation"), NULL}, { "install", 'i', 0, NULL, 'i', N_("install package(s)"), N_("<packagefile>+") }, { "justdb", '\0', POPT_BIT_SET, &rpmIArgs.transFlags, RPMTRANS_FLAG_JUSTDB, N_("update the database, but do not modify the filesystem"), NULL}, { "nodb", '\0', POPT_BIT_SET, &rpmIArgs.transFlags, RPMTRANS_FLAG_NODB, N_("do not update the database, but modify the filesystem"), NULL}, { "noconfigs", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOCONFIGS, N_("do not install configuration files"), NULL}, { "nodeps", '\0', 0, NULL, RPMCLI_POPT_NODEPS, N_("do not verify package dependencies"), NULL }, { "nodocs", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NODOCS, N_("do not install documentation"), NULL}, { "nofiledigest", '\0', 0, NULL, RPMCLI_POPT_NOFILEDIGEST, N_("don't verify digest of files"), NULL }, { "nomd5", '\0', POPT_ARGFLAG_DOC_HIDDEN, NULL, RPMCLI_POPT_NOFILEDIGEST, N_("don't verify digest of files (obsolete)"), NULL }, { "nocontexts", '\0',0, NULL, RPMCLI_POPT_NOCONTEXTS, N_("don't install file security contexts"), NULL}, { "nocaps", '\0',0, NULL, RPMCLI_POPT_NOCAPS, N_("don't install file capabilities"), NULL}, { "noorder", '\0', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, INSTALL_NOORDER, N_("do not reorder package installation to satisfy dependencies"), NULL}, { "noscripts", '\0', 0, NULL, RPMCLI_POPT_NOSCRIPTS, N_("do not execute package scriptlet(s)"), NULL }, { "nopre", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPRE, N_("do not execute %%pre scriptlet (if any)"), NULL }, { "nopost", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPOST, N_("do not execute %%post scriptlet (if any)"), NULL }, { "nopreun", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPREUN, N_("do not execute %%preun scriptlet (if any)"), NULL }, { "nopostun", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPOSTUN, N_("do not execute %%postun scriptlet (if any)"), NULL }, { "nopretrans", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPRETRANS, N_("do not execute %%pretrans scriptlet (if any)"), NULL }, { "noposttrans", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPOSTTRANS, N_("do not execute %%posttrans scriptlet (if any)"), NULL }, { "nopreuntrans", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPREUNTRANS, N_("do not execute %%preuntrans scriptlet (if any)"), NULL }, { "nopostuntrans", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOPOSTUNTRANS, N_("do not execute %%postuntrans scriptlet (if any)"), NULL }, { "notriggers", '\0', POPT_BIT_SET, &rpmIArgs.transFlags, _noTransTriggers, N_("do not execute any scriptlet(s) triggered by this package"), NULL}, { "notriggerprein", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOTRIGGERPREIN, N_("do not execute any %%triggerprein scriptlet(s)"), NULL}, { "notriggerin", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOTRIGGERIN, N_("do not execute any %%triggerin scriptlet(s)"), NULL}, { "notriggerun", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOTRIGGERUN, N_("do not execute any %%triggerun scriptlet(s)"), NULL}, { "notriggerpostun", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOTRIGGERPOSTUN, N_("do not execute any %%triggerpostun scriptlet(s)"), NULL}, { "nosysusers", '\0', POPT_BIT_SET|POPT_ARGFLAG_DOC_HIDDEN, &rpmIArgs.transFlags, RPMTRANS_FLAG_NOSYSUSERS, N_("do not create %%sysusers users and groups"), NULL }, { "oldpackage", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, RPMPROB_FILTER_OLDPACKAGE, N_("upgrade to an old version of the package (--force on upgrades does this automatically)"), NULL}, { "percent", '\0', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, INSTALL_PERCENT, N_("print percentages as package installs"), NULL}, { "prefix", '\0', POPT_ARG_STRING, &rpmIArgs.prefix, 0, N_("relocate the package to <dir>, if relocatable"), N_("<dir>") }, { "relocate", '\0', POPT_ARG_STRING, 0, POPT_RELOCATE, N_("relocate files from path <old> to <new>"), N_("<old>=<new>") }, { "replacefiles", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, (RPMPROB_FILTER_REPLACEOLDFILES | RPMPROB_FILTER_REPLACENEWFILES), N_("ignore file conflicts between packages"), NULL}, { "replacepkgs", '\0', POPT_BIT_SET, &rpmIArgs.probFilter, RPMPROB_FILTER_REPLACEPKG, N_("reinstall if the package is already present"), NULL}, { "test", '\0', POPT_BIT_SET, &rpmIArgs.transFlags, RPMTRANS_FLAG_TEST, N_("don't install, but tell if it would work or not"), NULL}, { "upgrade", 'U', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, (INSTALL_UPGRADE|INSTALL_INSTALL), N_("upgrade package(s)"), N_("<packagefile>+") }, { "reinstall", '\0', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, (INSTALL_REINSTALL|INSTALL_INSTALL), N_("reinstall package(s)"), N_("<packagefile>+") }, { "restore", '\0', POPT_BIT_SET, &rpmIArgs.installInterfaceFlags, (INSTALL_RESTORE), N_("restore package(s)"), N_("<packagefile>+") }, POPT_TABLEEND };