diff options
| author | Karel Klic <kklic@redhat.com> | 2009-12-18 19:12:50 +0100 |
|---|---|---|
| committer | Karel Klic <kklic@redhat.com> | 2009-12-18 19:12:50 +0100 |
| commit | e7661d7e411172ddad8838040ded025ad6bfbb14 (patch) | |
| tree | f2451b553b4fcf959bd2bfc29172f9fb855e5fdd /src | |
| parent | ce1904e24b576a7356488852a240d777717b2598 (diff) | |
| parent | 46b2fb8df8d4e025f5bbdd9f53be1f658a9e82c6 (diff) | |
| download | abrt-e7661d7e411172ddad8838040ded025ad6bfbb14.tar.gz abrt-e7661d7e411172ddad8838040ded025ad6bfbb14.tar.xz abrt-e7661d7e411172ddad8838040ded025ad6bfbb14.zip | |
Merge branch 'master' of git://git.fedorahosted.org/git/abrt
Diffstat (limited to 'src')
| -rw-r--r-- | src/Applet/CCApplet.cpp | 2 | ||||
| -rw-r--r-- | src/CLI/ABRTSocket.cpp | 12 | ||||
| -rw-r--r-- | src/Daemon/Daemon.cpp | 19 | ||||
| -rw-r--r-- | src/Daemon/MiddleWare.cpp | 77 | ||||
| -rw-r--r-- | src/Daemon/PluginManager.cpp | 6 | ||||
| -rw-r--r-- | src/Daemon/Settings.cpp | 2 | ||||
| -rwxr-xr-x | src/Daemon/abrt-debuginfo-install | 79 | ||||
| -rw-r--r-- | src/Gui/CCMainWindow.py | 5 | ||||
| -rw-r--r-- | src/Hooks/CCpp.cpp | 322 | ||||
| -rw-r--r-- | src/Hooks/abrt-hook-python.cpp | 20 | ||||
| -rw-r--r-- | src/Hooks/abrt_exception_handler.py.in | 1 | ||||
| -rw-r--r-- | src/Hooks/sitecustomize.py | 42 |
12 files changed, 274 insertions, 313 deletions
diff --git a/src/Applet/CCApplet.cpp b/src/Applet/CCApplet.cpp index 5d13ab8..f9212b2 100644 --- a/src/Applet/CCApplet.cpp +++ b/src/Applet/CCApplet.cpp @@ -320,7 +320,7 @@ void CApplet::animate_icon() if (m_iAnimator == 0) { m_iAnimator = g_timeout_add(100, update_icon, this); - m_iAnimCountdown = 10 * 60; /* 60 sec */ + m_iAnimCountdown = 10 * 30; /* 30 sec */ } } diff --git a/src/CLI/ABRTSocket.cpp b/src/CLI/ABRTSocket.cpp index d31c7a4..1353134 100644 --- a/src/CLI/ABRTSocket.cpp +++ b/src/CLI/ABRTSocket.cpp @@ -13,7 +13,17 @@ CABRTSocket::CABRTSocket() : m_nSocket(-1) CABRTSocket::~CABRTSocket() { - Disconnect(); + /* Paranoia. In C++, destructor will abort() if it was called while unwinding + * the stack and it throws an exception. + */ + try + { + Disconnect(); + } + catch (...) + { + error_msg_and_die("Internal error"); + } } void CABRTSocket::Send(const std::string& pMessage) diff --git a/src/Daemon/Daemon.cpp b/src/Daemon/Daemon.cpp index c6cae5d..8038f75 100644 --- a/src/Daemon/Daemon.cpp +++ b/src/Daemon/Daemon.cpp @@ -110,7 +110,7 @@ typedef struct cron_callback_data_t } cron_callback_data_t; -static uint8_t s_sig_caught; /* must be one byte */ +static volatile sig_atomic_t s_sig_caught; static int s_signal_pipe[2]; static int s_signal_pipe_write = -1; static unsigned s_timeout; @@ -216,14 +216,14 @@ static int SetUpCron() std::string sM = ""; sH = it_c->first.substr(0, pos); - nH = atoi(sH.c_str()); + nH = xatou(sH.c_str()); nH = nH > 23 ? 23 : nH; nH = nH < 0 ? 0 : nH; nM = nM > 59 ? 59 : nM; nM = nM < 0 ? 0 : nM; timeout += nH * 60 * 60; sM = it_c->first.substr(pos + 1); - nM = atoi(sM.c_str()); + nM = xatou(sM.c_str()); timeout += nM * 60; } else @@ -231,7 +231,7 @@ static int SetUpCron() std::string sS = ""; sS = it_c->first; - nS = atoi(sS.c_str()); + nS = xatou(sS.c_str()); nS = nS <= 0 ? 1 : nS; timeout = nS; } @@ -399,10 +399,15 @@ static int Lock() static void handle_fatal_signal(int signo) { - s_sig_caught = signo; - VERB3 log("Got signal %d", signo); + // Enable for debugging only, malloc/printf are unsafe in signal handlers + //VERB3 log("Got signal %d", signo); + + uint8_t l_sig_caught; + s_sig_caught = l_sig_caught = signo; + /* Using local copy of s_sig_caught so that concurrent signal + * won't change it under us */ if (s_signal_pipe_write >= 0) - write(s_signal_pipe_write, &s_sig_caught, 1); + write(s_signal_pipe_write, &l_sig_caught, 1); } /* Signal pipe handler */ diff --git a/src/Daemon/MiddleWare.cpp b/src/Daemon/MiddleWare.cpp index b597a41..6b8bfcc 100644 --- a/src/Daemon/MiddleWare.cpp +++ b/src/Daemon/MiddleWare.cpp @@ -477,7 +477,7 @@ report_status_t Report(const map_crash_report_t& pCrashReport, if (pUID != "") { - home = get_home_dir(atoi(pUID.c_str())); + home = get_home_dir(xatoi_u(pUID.c_str())); if (home != "") { oldSettings = reporter->GetSettings(); @@ -563,11 +563,38 @@ void LoadOpenGPGPublicKey(const char* key) * @param pDebugDumpDir A debugdump dir containing all necessary data. * @return It return results of operation. See mw_result_t. */ -static mw_result_t SavePackageDescriptionToDebugDump(const char *pExecutable, - const char *pDebugDumpDir) +static char *get_argv1_if_full_path(const char* cmdline) +{ + char *argv1 = (char*) strchr(cmdline, ' '); + if (argv1 != NULL) + { + /* we found space in cmdline, so it might contain + * path to some script like: + * /usr/bin/python /usr/bin/system-control-network + */ + argv1++; + /* if the string following the space doesn't start + * with '/' it's probably not a full path to script + * and we can't use it to determine the package name + */ + if (*argv1 != '/') + { + return NULL; + } + int len = strchrnul(argv1, ' ') - argv1; + /* cut the cmdline arguments */ + argv1 = xstrndup(argv1, len); + } + return argv1; +} +static mw_result_t SavePackageDescriptionToDebugDump( + const char *pExecutable, + const char *cmdline, + const char *pDebugDumpDir) { std::string package; std::string packageName; + std::string scriptName; /* only if "interpreter /path/to/script" */ if (strcmp(pExecutable, "kernel") == 0) { @@ -582,6 +609,42 @@ static mw_result_t SavePackageDescriptionToDebugDump(const char *pExecutable, return MW_PACKAGE_ERROR; } + /* Check well-known interpreter names */ + + const char *basename = strrchr(pExecutable, '/'); + if (basename) basename++; else basename = pExecutable; + + /* Add "perl" and such as needed */ + if (strcmp(basename, "python") == 0) + { +// TODO: we don't verify that python executable is not modified +// or that python package is properly signed +// (see CheckFingerprint/CheckHash below) + + /* Try to find package for the script by looking at argv[1]. + * This will work only of the cmdline contains the whole path. + * Example: python /usr/bin/system-control-network + */ + char *script_name = get_argv1_if_full_path(cmdline); + if (script_name) + { + char *script_pkg = GetPackage(script_name); + if (script_pkg) + { + /* There is a well-formed script name in argv[1], + * and it does belong to some package. + * Replace interpreter's rpm_pkg and pExecutable + * with data pertaining to the script. + */ + free(rpm_pkg); + rpm_pkg = script_pkg; + scriptName = script_name; + pExecutable = scriptName.c_str(); + } + free(script_name); + } + } + package = rpm_pkg; packageName = package.substr(0, package.rfind("-", package.rfind("-") - 1)); VERB2 log("Package:'%s' short:'%s'", rpm_pkg, packageName.c_str()); @@ -610,10 +673,7 @@ static mw_result_t SavePackageDescriptionToDebugDump(const char *pExecutable, } std::string description = GetDescription(packageName.c_str()); -//TODO: if executable in /usr/bin/python, /bin/sh and such, -//we need to extract component using argv[1] std::string component = GetComponent(pExecutable); - try { CDebugDump dd; @@ -788,6 +848,7 @@ mw_result_t SaveDebugDump(const char *pDebugDumpDir, std::string time; std::string analyzer; std::string executable; + std::string cmdline; try { CDebugDump dd; @@ -796,6 +857,7 @@ mw_result_t SaveDebugDump(const char *pDebugDumpDir, dd.LoadText(FILENAME_UID, UID); dd.LoadText(FILENAME_ANALYZER, analyzer); dd.LoadText(FILENAME_EXECUTABLE, executable); + dd.LoadText(FILENAME_CMDLINE, cmdline); } catch (CABRTException& e) { @@ -811,7 +873,8 @@ mw_result_t SaveDebugDump(const char *pDebugDumpDir, { return MW_IN_DB; } - mw_result_t res = SavePackageDescriptionToDebugDump(executable.c_str(), pDebugDumpDir); + + mw_result_t res = SavePackageDescriptionToDebugDump(executable.c_str(), cmdline.c_str(), pDebugDumpDir); if (res != MW_OK) { return res; diff --git a/src/Daemon/PluginManager.cpp b/src/Daemon/PluginManager.cpp index 82f22e8..b6a8b15 100644 --- a/src/Daemon/PluginManager.cpp +++ b/src/Daemon/PluginManager.cpp @@ -391,7 +391,7 @@ void CPluginManager::SetPluginSettings(const char *pName, return; } - std::string home = get_home_dir(atoi(pUID.c_str())); + std::string home = get_home_dir(xatoi_u(pUID.c_str())); if (home == "") { return; @@ -399,7 +399,7 @@ void CPluginManager::SetPluginSettings(const char *pName, std::string confDir = home + "/.abrt"; std::string confPath = confDir + "/" + pName + "."PLUGINS_CONF_EXTENSION; - uid_t uid = atoi(pUID.c_str()); + uid_t uid = xatoi_u(pUID.c_str()); struct passwd* pw = getpwuid(uid); gid_t gid = pw ? pw->pw_gid : uid; @@ -461,7 +461,7 @@ map_plugin_settings_t CPluginManager::GetPluginSettings(const char *pName, /* if (abrt_plugin->second->GetType() == REPORTER) { - std::string home = get_home_dir(atoi(pUID.c_str())); + std::string home = get_home_dir(xatoi_u(pUID.c_str())); if (home != "") { LoadPluginSettings(home + "/.abrt/" + pName + "."PLUGINS_CONF_EXTENSION, ret); diff --git a/src/Daemon/Settings.cpp b/src/Daemon/Settings.cpp index 327851f..d89bebf 100644 --- a/src/Daemon/Settings.cpp +++ b/src/Daemon/Settings.cpp @@ -176,7 +176,7 @@ static void ParseCommon() it = s_mapSectionCommon.find("MaxCrashReportsSize"); if (it != end) { - g_settings_nMaxCrashReportsSize = atoi(it->second.c_str()); + g_settings_nMaxCrashReportsSize = xatoi_u(it->second.c_str()); } it = s_mapSectionCommon.find("ActionsAndReporters"); if (it != end) diff --git a/src/Daemon/abrt-debuginfo-install b/src/Daemon/abrt-debuginfo-install index 6278b63..dcd3add 100755 --- a/src/Daemon/abrt-debuginfo-install +++ b/src/Daemon/abrt-debuginfo-install @@ -21,8 +21,7 @@ # Output goes to GUI as debuginfo install log. The script should be careful # to give useful, but not overly cluttered info to stdout. # Additionally, abrt daemon handles "MISSING:xxxx" messages specially: -# xxxx will be prepended to backtrace. This is used to inform about -# missing debuginfos. +# it is used to inform about missing debuginfos. # # Exitcodes: # 0 - all debuginfos are installed @@ -46,36 +45,22 @@ # For better debuggability, eu_unstrip.OUT, yum_provides.OUT etc files # are saved in TEMPDIR, and TEMPDIR is not deleted if we exit with exitcode 2 # ("serious problem"). -# -# In the future, we may want to use a separate CACHEDIR (say, /var/cache/abrt-di) -# and use it with this gdb command: -# set debug-file-directory /usr/lib/debug/.build-id:CACHEDIR/usr/lib/debug/.build-id -# but current gdb can't handle DIR1:DIR2. -# So, currently we are called with CACHEDIR set to "/", and don't pass -# "set debug-file-directory" to gdb. -# This is ugly, since it messes up /usr/lib/debug/.build-id over time -# by piling up debuginfos there without any means to control their amount, -# but it's the only way to make it work with current gdb. - - -core=$1 -tempdir=$2 + + +core="$1" +tempdir="$2" debuginfodirs="${3//:/ }" cachedir="${3%%:*}" debug=false -exec 2>&1 - -test -f "$core" || exit 2 -# cachedir is optional -test x"$cachedir" = x"" || test -d "$cachedir" || exit 2 -# tempdir must not exist -test -e "$tempdir" && exit 2 -mkdir -- "$tempdir" || exit 2 -cd "$tempdir" || exit 2 -$debug && echo "Installing rpms to $tempdir" +# stderr may be used for status messages too +exec 2>&1 +error_msg_and_die() { + echo "$*" + exit 2 +} count_words() { echo $# @@ -92,6 +77,9 @@ print_missing_build_ids() { build_id2=${build_id:2} file="usr/lib/debug/.build-id/$build_id1/$build_id2.debug" test -f "/$file" && continue + # On 2nd pass, we may already have some debuginfos in tempdir + test -f "$tempdir/$file" && continue + # Check cachedir if we have one for d in $debuginfodirs; do test -f "$d/$file" && continue 2 done @@ -99,6 +87,7 @@ print_missing_build_ids() { done } +# Note: it is run in `backticks`, use >&2 for error messages print_missing_debuginfos() { local build_id local build_id1 @@ -110,6 +99,9 @@ print_missing_debuginfos() { build_id2=${build_id:2} file="usr/lib/debug/.build-id/$build_id1/$build_id2.debug" test -f "/$file" && continue + # On 2nd pass, we may already have some debuginfos in tempdir + test -f "$tempdir/$file" && continue + # Check cachedir if we have one if test x"$cachedir" != x""; then for d in $debuginfodirs; do test -f "$d/$file" && continue 2 @@ -138,6 +130,7 @@ cleanup_and_report_missing() { } # $1: iteration (1,2...) +# Note: it is run in `backticks`, use >&2 for error messages print_package_names() { # We'll run something like: # yum --enablerepo=*debuginfo* --quiet provides \ @@ -154,8 +147,9 @@ print_package_names() { echo "$cmd" >"yum_provides.$1.OUT" local yum_provides_OUT="`$cmd 2>&1`" local err=$? - printf "%s\nexitcode:%s\n" "$yum_provides_OUT" $err >>"yum_provides.$1.OUT" - test $err = 0 || exit 2 + printf "%s\nyum exitcode:%s\n" "$yum_provides_OUT" $err >>"yum_provides.$1.OUT" + test $err = 0 || error_msg_and_die "yum provides... exited with $err: +`head yum_provides.$1.OUT`" >&2 # The output is pretty machine-unfriendly: # glibc-debuginfo-2.10.90-24.x86_64 : Debug information for package glibc @@ -190,7 +184,7 @@ download_packages() { ##yumdownloader --enablerepo=*debuginfo* --quiet $packages >yumdownloader.OUT 2>&1 ##err=$? ##echo "exitcode:$err" >>yumdownloader.OUT - ##test $err = 0 || exit 2 + ##test $err = 0 || error_msg_and_die ... >yumdownloader.OUT i=1 for pkg in $packages; do @@ -207,10 +201,11 @@ download_packages() { for file in *.rpm; do # Happens if no .rpm's were downloaded (yumdownloader problem) # In this case, $f is the literal "*.rpm" string - test -f "$file" || exit 2 + test -f "$file" || error_msg_and_die "not a rpm file: '$file'" echo "Unpacking: $file" echo "Processing: $file" >>unpack.OUT rpm2cpio <"$file" 2>>unpack.OUT | cpio -id >>unpack.OUT 2>&1 +#TODO: error check? done # Copy debuginfo files to cachedir @@ -235,6 +230,7 @@ download_packages() { # Note: this does not preserve symlinks. This is intentional $debug && echo Copying "$file" to "$cachedir/$file" >&2 cp --remove-destination "$file" "$cachedir/$file" +#TODO: error check? continue fi done @@ -242,6 +238,18 @@ download_packages() { } +# Sanity checking +test -f "$core" || error_msg_and_die "not a file: '$core'" +# cachedir is optional +test x"$cachedir" = x"" || test -d "$cachedir" || error_msg_and_die "bad cachedir '$cachedir'" +# tempdir must not exist +test -e "$tempdir" && error_msg_and_die "tempdir exists: '$tempdir'" + +mkdir -- "$tempdir" || exit 2 +cd "$tempdir" || exit 2 +$debug && echo "Installing rpms to $tempdir" + + # eu-unstrip output example: # 0x400000+0x209000 23c77451cf6adff77fc1f5ee2a01d75de6511dda@0x40024c - - [exe] # or @@ -254,8 +262,10 @@ echo "Getting list of build IDs" # eu-unstrip: /var/cache/abrt/ccpp-1256301004-2754/coredump: Callback returned failure eu_unstrip_OUT=`eu-unstrip "--core=$core" -n 2>eu_unstrip.ERR` err=$? -printf "%s\nexitcode:%s\n" "$eu_unstrip_OUT" $err >eu_unstrip.OUT -test $err = 0 || exit 2 +printf "%s\neu-unstrip exitcode:%s\n" "$eu_unstrip_OUT" $err >eu_unstrip.OUT +test $err = 0 || error_msg_and_die "eu-unstrip exited with $err: +`cat eu_unstrip.ERR` +`head eu_unstrip.OUT`" # Get space-separated list of all build-ids # There can be duplicates (observed in real world) @@ -283,6 +293,8 @@ iter=0 while test $((++iter)) -le 2; do # Analyze $build_ids and check which debuginfos are present missing_debuginfo_files=`print_missing_debuginfos` + # Did print_missing_debuginfos fail? + test $? = 0 || exit 2 $debug && echo "missing_debuginfo_files:$missing_debuginfo_files" test x"$missing_debuginfo_files" = x"" && break @@ -290,6 +302,8 @@ while test $((++iter)) -le 2; do # Map $missing_debuginfo_files to package names. # yum is run here. packages=`print_package_names $iter` + # Did print_package_names fail? + test $? = 0 || exit 2 $debug && echo "packages ($iter):$packages" # yum may return "" here if it found no packages (say, if coredump @@ -304,4 +318,5 @@ done cleanup_and_report_missing test x"$missing_build_ids" != x"" && exit 1 +echo "All needed debuginfos are present" exit 0 diff --git a/src/Gui/CCMainWindow.py b/src/Gui/CCMainWindow.py index e429908..8544b24 100644 --- a/src/Gui/CCMainWindow.py +++ b/src/Gui/CCMainWindow.py @@ -167,7 +167,10 @@ class MainWindow(): self.wTree.get_widget("lStatus").set_text(message) buff = gtk.TextBuffer() buff.set_text(self.updates) - self.wTree.get_widget("tvUpdates").set_buffer(buff) + end = buff.get_insert() + tvUpdates = self.wTree.get_widget("tvUpdates") + tvUpdates.set_buffer(buff) + tvUpdates.scroll_mark_onscreen(end) # call to update the progressbar def progress_update_cb(self, *args): diff --git a/src/Hooks/CCpp.cpp b/src/Hooks/CCpp.cpp index fd789cf..3a13358 100644 --- a/src/Hooks/CCpp.cpp +++ b/src/Hooks/CCpp.cpp @@ -18,25 +18,14 @@ with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ - -/* Make all file ops "large" and make off_t 64-bit. - * No need to use O_LARGEFILE anywhere - */ -#define _LARGEFILE_SOURCE -#define _LARGEFILE64_SOURCE -#define _FILE_OFFSET_BITS 64 - #include "abrtlib.h" #include "DebugDump.h" #include "ABRTException.h" #include <syslog.h> #define FILENAME_EXECUTABLE "executable" -#define FILENAME_CMDLINE "cmdline" #define FILENAME_COREDUMP "coredump" -#define VAR_RUN_PID_FILE VAR_RUN"/abrt.pid" - using namespace std; static char* malloc_readlink(const char *linkname) @@ -69,157 +58,42 @@ static char* get_cwd(pid_t pid) return malloc_readlink(buf); } -static char *append_escaped(char *start, const char *s) -{ - char hex_char_buf[] = "\\x00"; - - *start++ = ' '; - char *dst = start; - const unsigned char *p = (unsigned char *)s; - - while (1) - { - const unsigned char *old_p = p; - while (*p > ' ' && *p <= 0x7e && *p != '\"' && *p != '\'' && *p != '\\') - p++; - if (dst == start) - { - if (p != (unsigned char *)s && *p == '\0') - { - /* entire word does not need escaping and quoting */ - strcpy(dst, s); - dst += strlen(s); - return dst; - } - *dst++ = '\''; - } - - strncpy(dst, s, (p - old_p)); - dst += (p - old_p); - - if (*p == '\0') - { - *dst++ = '\''; - *dst = '\0'; - return dst; - } - const char *a; - switch (*p) - { - case '\r': a = "\\r"; break; - case '\n': a = "\\n"; break; - case '\t': a = "\\t"; break; - case '\'': a = "\\\'"; break; - case '\"': a = "\\\""; break; - case '\\': a = "\\\\"; break; - case ' ': a = " "; break; - default: - hex_char_buf[2] = "0123456789abcdef"[*p >> 4]; - hex_char_buf[3] = "0123456789abcdef"[*p & 0xf]; - a = hex_char_buf; - } - strcpy(dst, a); - dst += strlen(a); - p++; - } -} - -// taken from kernel -#define COMMAND_LINE_SIZE 2048 -static char* get_cmdline(pid_t pid) -{ - char path[sizeof("/proc/%u/cmdline") + sizeof(int)*3]; - char cmdline[COMMAND_LINE_SIZE]; - char escaped_cmdline[COMMAND_LINE_SIZE*4 + 4]; - - escaped_cmdline[1] = '\0'; - sprintf(path, "/proc/%u/cmdline", (int)pid); - int fd = open(path, O_RDONLY); - if (fd >= 0) - { - int len = read(fd, cmdline, sizeof(cmdline) - 1); - close(fd); - - if (len > 0) - { - cmdline[len] = '\0'; - char *src = cmdline; - char *dst = escaped_cmdline; - while ((src - cmdline) < len) - { - dst = append_escaped(dst, src); - src += strlen(src) + 1; - } - } - } - - return xstrdup(escaped_cmdline + 1); /* +1 skips extraneous leading space */ -} - -static int daemon_is_ok() -{ - int fd = open(VAR_RUN_PID_FILE, O_RDONLY); - if (fd < 0) - { - return 0; - } - - char pid[sizeof(pid_t)*3 + 2]; - int len = read(fd, pid, sizeof(pid)-1); - close(fd); - if (len <= 0) - return 0; - - pid[len] = '\0'; - *strchrnul(pid, '\n') = '\0'; - /* paranoia: we don't want to check /proc//stat or /proc///stat */ - if (pid[0] == '\0' || pid[0] == '/') - return 0; - - /* TODO: maybe readlink and check that it is "xxx/abrt"? */ - char path[sizeof("/proc/%s/stat") + sizeof(pid)]; - sprintf(path, "/proc/%s/stat", pid); - struct stat sb; - if (stat(path, &sb) == -1) - { - return 0; - } - - return 1; -} - int main(int argc, char** argv) { int fd; struct stat sb; const char* program_name = argv[0]; - if (argc < 4) + if (argc < 5) { - error_msg_and_die("Usage: %s: <dddir> <pid> <signal> <uid>", program_name); + error_msg_and_die("Usage: %s: DUMPDIR PID SIGNO UID CORE_SIZE_LIMIT", program_name); } openlog("abrt", 0, LOG_DAEMON); logmode = LOGMODE_SYSLOG; + errno = 0; const char* dddir = argv[1]; - pid_t pid = atoi(argv[2]); + pid_t pid = xatoi_u(argv[2]); const char* signal_str = argv[3]; - int signal = atoi(argv[3]); - uid_t uid = atoi(argv[4]); - - if (signal != SIGQUIT - && signal != SIGILL - && signal != SIGABRT - && signal != SIGFPE - && signal != SIGSEGV + int signal_no = xatoi_u(argv[3]); + uid_t uid = xatoi_u(argv[4]); + off_t ulimit_c = strtoull(argv[5], NULL, 10); + off_t core_size = 0; + + if (errno || pid <= 0 || ulimit_c < 0) + { + error_msg_and_die("pid '%s' or limit '%s' is bogus", argv[2], argv[5]); + } + if (signal_no != SIGQUIT + && signal_no != SIGILL + && signal_no != SIGABRT + && signal_no != SIGFPE + && signal_no != SIGSEGV ) { /* not an error, exit silently */ return 0; } - if (pid <= 0 || (int)uid < 0) - { - error_msg_and_die("pid '%s' or uid '%s' are bogus", argv[2], argv[4]); - } + char *user_pwd = get_cwd(pid); /* may be NULL on error */ int core_fd = STDIN_FILENO; @@ -247,6 +121,65 @@ int main(int argc, char** argv) (int)pid, executable); } + /* Parse abrt.conf and plugins/CCpp.conf */ + unsigned setting_MaxCrashReportsSize = 0; + bool setting_MakeCompatCore = false; + bool abrt_conf = true; + FILE *fp = fopen(CONF_DIR"/abrt.conf", "r"); + if (fp) + { + char line[256]; + while (1) + { + if (fgets(line, sizeof(line), fp) == NULL) + { + /* Next .conf file plz */ + if (abrt_conf) + { + abrt_conf = false; + fp = fopen(CONF_DIR"/plugins/CCpp.conf", "r"); + if (fp) + continue; + } + break; + } + + unsigned len = strlen(line); + if (len > 0 && line[len-1] == '\n') + line[--len] = '\0'; + const char *p = skip_whitespace(line); +#undef DIRECTIVE +#define DIRECTIVE "MaxCrashReportsSize" + if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0) + { + p = skip_whitespace(p + sizeof(DIRECTIVE)-1); + if (*p != '=') + continue; + p = skip_whitespace(p + 1); + if (isdigit(*p)) + /* x1.25: go a bit up, so that usual in-daemon trimming + * kicks in first, and we don't "fight" with it. */ + setting_MaxCrashReportsSize = (unsigned long)xatou(p) * 5 / 4; + continue; + } +#undef DIRECTIVE +#define DIRECTIVE "MakeCompatCore" + if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0) + { + p = skip_whitespace(p + sizeof(DIRECTIVE)-1); + if (*p != '=') + continue; + p = skip_whitespace(p + 1); + setting_MakeCompatCore = string_to_bool(p); + continue; + } +#undef DIRECTIVE + /* add more 'if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0)' here... */ + } + fclose(fp); + } + + char path[PATH_MAX]; /* Check /var/cache/abrt/last-ccpp marker, do not dump repeated crashes @@ -267,7 +200,12 @@ int main(int argc, char** argv) { path[sz] = '\0'; if (strcmp(executable, path) == 0) - error_msg_and_die("not dumping repeating crash in '%s'", executable); + { + error_msg("not dumping repeating crash in '%s'", executable); + if (setting_MakeCompatCore) + goto create_user_core; + return 1; + } } lseek(fd, 0, SEEK_SET); } @@ -286,20 +224,20 @@ int main(int argc, char** argv) */ snprintf(path, sizeof(path), "%s/abrtd-coredump", dddir); core_fd = xopen3(path, O_WRONLY | O_CREAT | O_TRUNC, 0644); - off_t size = copyfd_eof(STDIN_FILENO, core_fd); - if (size < 0 || close(core_fd) != 0) + core_size = copyfd_eof(STDIN_FILENO, core_fd); + if (core_size < 0 || close(core_fd) != 0) { unlink(path); /* copyfd_eof logs the error including errno string, * but it does not log file name */ error_msg_and_die("error saving coredump to %s", path); } - log("saved core dump of pid %u (%s) to %s (%llu bytes)", (int)pid, executable, path, (long long)size); + log("saved core dump of pid %u (%s) to %s (%llu bytes)", (int)pid, executable, path, (long long)core_size); return 0; } char* cmdline = get_cmdline(pid); /* never NULL */ - const char *signame = strsignal(atoi(signal_str)); + const char *signame = strsignal(signal_no); char *reason = xasprintf("Process was terminated by signal %s (%s)", signal_str, signame ? signame : signal_str); snprintf(path, sizeof(path), "%s/ccpp-%ld-%u", dddir, (long)time(NULL), (int)pid); @@ -325,8 +263,8 @@ int main(int argc, char** argv) dd.Close(); perror_msg_and_die("can't open '%s'", path); } - off_t size = copyfd_eof(STDIN_FILENO, core_fd); - if (size < 0 || fsync(core_fd) != 0) + core_size = copyfd_eof(STDIN_FILENO, core_fd); + if (core_size < 0 || fsync(core_fd) != 0) { unlink(path); dd.Delete(); @@ -337,7 +275,7 @@ int main(int argc, char** argv) } lseek(core_fd, 0, SEEK_SET); /* note: core_fd is still open, we may use it later to copy core to user's dir */ - log("saved core dump of pid %u (%s) to %s (%llu bytes)", (int)pid, executable, path, (long long)size); + log("saved core dump of pid %u (%s) to %s (%llu bytes)", (int)pid, executable, path, (long long)core_size); free(executable); free(cmdline); path[len] = '\0'; /* path now contains directory name */ @@ -350,64 +288,6 @@ int main(int argc, char** argv) */ dd.Close(); - /* Parse abrt.conf and plugins/CCpp.conf */ - unsigned setting_MaxCrashReportsSize = 0; - bool setting_MakeCompatCore = false; - bool abrt_conf = true; - FILE *fp = fopen(CONF_DIR"/abrt.conf", "r"); - if (fp) - { - char line[256]; - while (1) - { - if (fgets(line, sizeof(line), fp) == NULL) - { - /* Next .conf file plz */ - if (abrt_conf) - { - abrt_conf = false; - fp = fopen(CONF_DIR"/plugins/CCpp.conf", "r"); - if (fp) - continue; - } - break; - } - - unsigned len = strlen(line); - if (len > 0 && line[len-1] == '\n') - line[--len] = '\0'; - const char *p = skip_whitespace(line); -#undef DIRECTIVE -#define DIRECTIVE "MaxCrashReportsSize" - if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0) - { - p = skip_whitespace(p + sizeof(DIRECTIVE)-1); - if (*p != '=') - continue; - p = skip_whitespace(p + 1); - if (isdigit(*p)) - /* x1.25: go a bit up, so that usual in-daemon trimming - * kicks in first, and we don't "fight" with it. */ - setting_MaxCrashReportsSize = (unsigned long)atoi(p) * 5 / 4; - continue; - } -#undef DIRECTIVE -#define DIRECTIVE "MakeCompatCore" - if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0) - { - p = skip_whitespace(p + sizeof(DIRECTIVE)-1); - if (*p != '=') - continue; - p = skip_whitespace(p + 1); - setting_MakeCompatCore = string_to_bool(p); - continue; - } -#undef DIRECTIVE - /* add more 'if (strncmp(p, DIRECTIVE, sizeof(DIRECTIVE)-1) == 0)' here... */ - } - fclose(fp); - } - /* rhbz#539551: "abrt going crazy when crashing process is respawned". * Do we want to protect against or ameliorate this? How? Ideas: * (1) nice ourself? @@ -447,7 +327,12 @@ int main(int argc, char** argv) error_msg_and_die("%s", e.what()); } + create_user_core: + /* note: core_size may be == 0 ("unknown") */ + if (core_size > ulimit_c || ulimit_c == 0) + return 0; + /* Write a core file for user */ struct passwd* pw = getpwuid(uid); @@ -520,8 +405,10 @@ int main(int argc, char** argv) perror_msg_and_die("%s/%s is not a regular file with link count 1", user_pwd, core_basename); } + /* Note: we do not copy more than ulimit_c */ + off_t size; if (ftruncate(usercore_fd, 0) != 0 - || copyfd_eof(core_fd, usercore_fd) < 0 + || (size = copyfd_size(core_fd, usercore_fd, ulimit_c)) < 0 || close(usercore_fd) != 0 ) { /* perror first, otherwise unlink may trash errno */ @@ -529,7 +416,16 @@ int main(int argc, char** argv) unlink(core_basename); return 1; } - log("saved core dump of pid %u to %s/%s", (int)pid, user_pwd, core_basename); + if (size == ulimit_c && size != core_size) + { + /* We copied exactly ulimit_c bytes (and it doesn't accidentally match + * core_size (imagine exactly 1MB coredump with "ulimit -c 1M" - that'd be ok)), + * it means that core is larger than ulimit_c. Abort and delete the dump. + */ + unlink(core_basename); + return 1; + } + log("saved core dump of pid %u to %s/%s (%llu bytes)", (int)pid, user_pwd, core_basename, (long long)size); return 0; } diff --git a/src/Hooks/abrt-hook-python.cpp b/src/Hooks/abrt-hook-python.cpp index cd17e40..3f79d28 100644 --- a/src/Hooks/abrt-hook-python.cpp +++ b/src/Hooks/abrt-hook-python.cpp @@ -34,21 +34,23 @@ static char *pid; static char *executable; static char *uuid; -static char *cmdline; int main(int argc, char** argv) { + // Error if daemon is not running. + if (!daemon_is_ok()) + error_msg_and_die("Daemon is not running."); + // Parse options static const struct option longopts[] = { // name , has_arg , flag, val { "pid" , required_argument, NULL, 'p' }, { "executable", required_argument, NULL, 'e' }, { "uuid" , required_argument, NULL, 'u' }, - { "cmdline" , required_argument, NULL, 'c' }, { 0 }, }; int opt; - while ((opt = getopt_long(argc, argv, "p:e:u:c:l:", longopts, NULL)) != -1) + while ((opt = getopt_long(argc, argv, "p:e:u:l:", longopts, NULL)) != -1) { switch (opt) { @@ -61,9 +63,6 @@ int main(int argc, char** argv) case 'u': uuid = optarg; break; - case 'c': - cmdline = optarg; - break; default: usage: error_msg_and_die( @@ -72,7 +71,6 @@ int main(int argc, char** argv) " -p,--pid PID PID of process that caused the crash\n" " -p,--executable PATH absolute path to the program that crashed\n" " -u,--uuid UUID hash generated from the backtrace\n" - " -c,--cmdline TEXT command line of the crashed program\n" ); } } @@ -103,8 +101,12 @@ int main(int argc, char** argv) dd.SaveText(FILENAME_ANALYZER, "Python"); if (executable) dd.SaveText(FILENAME_EXECUTABLE, executable); - if (cmdline) - dd.SaveText("cmdline", cmdline); + + pid_t pidt = xatoi(pid); + char *cmdline = get_cmdline(pidt); + dd.SaveText("cmdline", cmdline); + free(cmdline); + if (uuid) dd.SaveText("uuid", uuid); diff --git a/src/Hooks/abrt_exception_handler.py.in b/src/Hooks/abrt_exception_handler.py.in index b5ec35f..a0b0519 100644 --- a/src/Hooks/abrt_exception_handler.py.in +++ b/src/Hooks/abrt_exception_handler.py.in @@ -111,7 +111,6 @@ def write_dump(pid, tb_uuid, tb): command.append("--pid=%s" % pid) command.append("--executable=%s" % executable) command.append("--uuid=%s" % tb_uuid) - command.append("--cmdline=%s" % open("/proc/%s/cmdline" % pid).read().replace('\x00',' ')) helper = subprocess.Popen(command, stdin=subprocess.PIPE) helper.communicate(tb) diff --git a/src/Hooks/sitecustomize.py b/src/Hooks/sitecustomize.py index 8027726..1a01574 100644 --- a/src/Hooks/sitecustomize.py +++ b/src/Hooks/sitecustomize.py @@ -5,41 +5,9 @@ # and python interpreter runs it automatically everytime # some python script is executed. -def abrt_daemon_ok(): - try: - #FIXME: make it relocable! this will work only when installed in default path - #pidfile = open(VAR_RUN_PID_FILE, "r"); - pidfile = open("/var/run/abrt.pid", "r") - except Exception, ex: - # log the exception? - return False - - pid = pidfile.readline() - pidfile.close() - if not pid: - return False - - try: - # pid[:-1] strips the trailing '\n' - cmdline = open("/proc/%s/cmdline" % pid[:-1], "r").readline() - except Exception, ex: - # can't read cmdline - return False - if not ("abrtd" in cmdline): - return False - - return True - -if abrt_daemon_ok(): - # Prevent abrt exception handler from running when the abrtd daemon is - # not active. - try: - from abrt_exception_handler import installExceptionHandler - - installExceptionHandler(debug = 1) - except Exception, e: - # FIXME: log errors? - pass -else: - #FIXME: log something? +try: + from abrt_exception_handler import installExceptionHandler + installExceptionHandler(debug = 1) +except Exception, e: + # FIXME: log errors? pass |
