move inc/ and lib/ to src/. No code changes

Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>

1 files changed, 254 insertions, 0 deletions

diff --git a/src/lib/CrashTypes.cpp b/src/lib/CrashTypes.cpp
new file mode 100644
index 00000000..acacda5e
--- /dev/null
+++ b/src/lib/CrashTypes.cpp
@@ -0,0 +1,254 @@
+/*
+    Copyright (C) 2010  Denys Vlasenko (dvlasenk@redhat.com)
+    Copyright (C) 2010  RedHat inc.
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License along
+    with this program; if not, write to the Free Software Foundation, Inc.,
+    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+*/
+#include "abrtlib.h"
+#include "crash_types.h"
+
+const char *const must_have_files[] = {
+	FILENAME_ARCHITECTURE,
+	FILENAME_KERNEL      ,
+	FILENAME_PACKAGE     ,
+	FILENAME_COMPONENT   ,
+	FILENAME_RELEASE     ,
+	FILENAME_EXECUTABLE  ,
+	NULL
+};
+
+static const char *const editable_files[] = {
+	FILENAME_DESCRIPTION,
+	FILENAME_COMMENT    ,
+	FILENAME_REPRODUCE  ,
+	FILENAME_BACKTRACE  ,
+	NULL
+};
+
+static bool is_editable(const char *name, const char *const *v)
+{
+	while (*v) {
+		if (strcmp(*v, name) == 0)
+			return true;
+		v++;
+	}
+	return false;
+}
+
+bool is_editable_file(const char *file_name)
+{
+	return is_editable(file_name, editable_files);
+}
+
+
+void add_to_crash_data_ext(map_crash_data_t& pCrashData,
+                const char *pItem,
+                const char *pType,
+                const char *pEditable,
+                const char *pContent)
+{
+	map_crash_data_t::iterator it = pCrashData.find(pItem);
+	if (it == pCrashData.end()) {
+		vector_string_t& v = pCrashData[pItem]; /* create empty vector */
+		v.push_back(pType);
+		v.push_back(pEditable);
+		v.push_back(pContent);
+		return;
+	}
+	vector_string_t& v = it->second;
+	while (v.size() < 3)
+		v.push_back("");
+	v[CD_TYPE]     = pType;
+	v[CD_EDITABLE] = pEditable;
+	v[CD_CONTENT]  = pContent;
+}
+
+void add_to_crash_data(map_crash_data_t& pCrashData,
+                const char *pItem,
+                const char *pContent)
+{
+	add_to_crash_data_ext(pCrashData, pItem, CD_TXT, CD_ISNOTEDITABLE, pContent);
+}
+
+static char* is_text_file(const char *name, ssize_t *sz)
+{
+    /* We were using magic.h API to check for file being text, but it thinks
+     * that file containing just "0" is not text (!!)
+     * So, we do it ourself.
+     */
+
+    int fd = open(name, O_RDONLY);
+    if (fd < 0)
+        return NULL; /* it's not text (because it does not exist! :) */
+
+    /* Maybe 64k limit is small. But _some_ limit is necessary:
+     * fields declared "text" may end up in editing fields and such.
+     * We don't want to accidentally end up with 100meg text in a textbox!
+     * So, don't remove this. If you really need to, raise the limit.
+     */
+    off_t size = lseek(fd, 0, SEEK_END);
+    if (size < 0 || size > 64*1024)
+    {
+        close(fd);
+        return NULL; /* it's not a SMALL text */
+    }
+    lseek(fd, 0, SEEK_SET);
+
+    char *buf = (char*)xmalloc(*sz);
+    ssize_t r = *sz = full_read(fd, buf, *sz);
+    close(fd);
+    if (r < 0)
+    {
+        free(buf);
+        return NULL; /* it's not text (because we can't read it) */
+    }
+
+    /* Some files in our dump directories are known to always be textual */
+    const char *base = strrchr(name, '/');
+    if (base)
+    {
+        base++;
+        if (strcmp(base, FILENAME_BACKTRACE) == 0
+         || strcmp(base, FILENAME_CMDLINE) == 0
+        ) {
+            return buf;
+        }
+    }
+
+    /* Every once in a while, even a text file contains a few garbled
+     * or unexpected non-ASCII chars. We should not declare it "binary".
+     */
+    const unsigned RATIO = 50;
+    unsigned total_chars = r + RATIO;
+    unsigned bad_chars = 1; /* 1 prevents division by 0 later */
+    while (--r >= 0)
+    {
+        if (buf[r] >= 0x7f
+         /* among control chars, only '\t','\n' etc are allowed */
+         || (buf[r] < ' ' && !isspace(buf[r]))
+        ) {
+            if (buf[r] == '\0')
+            {
+                /* We don't like NULs very much. Not text for sure! */
+                free(buf);
+                return NULL;
+            }
+            bad_chars++;
+        }
+    }
+
+    if ((total_chars / bad_chars) >= RATIO)
+        return buf; /* looks like text to me */
+
+    free(buf);
+    return NULL; /* it's binary */
+}
+
+void load_crash_data_from_debug_dump(struct dump_dir *dd, map_crash_data_t& data)
+{
+    char *short_name;
+    char *full_name;
+
+    dd_init_next_file(dd);
+    while (dd_get_next_file(dd, &short_name, &full_name))
+    {
+        ssize_t sz = 4*1024;
+        char *text = NULL;
+        bool editable = is_editable_file(short_name);
+
+        if (!editable)
+        {
+            text = is_text_file(full_name, &sz);
+            if (!text)
+            {
+                add_to_crash_data_ext(data,
+                        short_name,
+                        CD_BIN,
+                        CD_ISNOTEDITABLE,
+                        full_name
+                );
+
+                free(short_name);
+                free(full_name);
+                continue;
+            }
+        }
+
+        char *content;
+        if (sz < 4*1024) /* is_text_file did read entire file */
+            content = xstrndup(text, sz); //TODO: can avoid this copying if is_text_file() adds NUL
+        else /* no, need to read it all */
+            content = dd_load_text(dd, short_name);
+        free(text);
+
+        add_to_crash_data_ext(data,
+                short_name,
+                CD_TXT,
+                editable ? CD_ISEDITABLE : CD_ISNOTEDITABLE,
+                content
+        );
+        free(short_name);
+        free(full_name);
+        free(content);
+    }
+}
+
+static const std::string* helper_get_crash_data_item_content(const map_crash_data_t& crash_data, const char *key)
+{
+	map_crash_data_t::const_iterator it = crash_data.find(key);
+	if (it == crash_data.end()) {
+		return NULL;
+	}
+	if (it->second.size() <= CD_CONTENT) {
+		return NULL;
+	}
+	return &it->second[CD_CONTENT];
+}
+
+const std::string& get_crash_data_item_content(const map_crash_data_t& crash_data, const char *key)
+{
+	const std::string* sp = helper_get_crash_data_item_content(crash_data, key);
+	if (sp == NULL) {
+		if (crash_data.find(key) == crash_data.end())
+			error_msg_and_die("Error accessing crash data: no ['%s']", key);
+		error_msg_and_die("Error accessing crash data: no ['%s'][%d]", key, CD_CONTENT);
+	}
+	return *sp;
+}
+
+const char *get_crash_data_item_content_or_NULL(const map_crash_data_t& crash_data, const char *key)
+{
+	const std::string* sp = helper_get_crash_data_item_content(crash_data, key);
+	if (!sp) {
+		return NULL;
+	}
+	return sp->c_str();
+}
+
+void log_map_crash_data(const map_crash_data_t& data, const char *name)
+{
+	map_crash_data_t::const_iterator it = data.begin();
+	while (it != data.end())
+	{
+		ssize_t sz = it->second.size();
+		log("%s[%s]:%s/%s/'%.20s'",
+			name, it->first.c_str(),
+			sz > 0 ? it->second[0].c_str() : "<NO [0]>",
+			sz > 1 ? it->second[1].c_str() : "<NO [1]>",
+			sz > 2 ? it->second[2].c_str() : "<NO [2]>"
+		);
+		it++;
+	}
+}