From e5371d5ee381008c9a5e344eac28da499437dcdb Mon Sep 17 00:00:00 2001
From: Chaniel <Chaniel@users.noreply.github.com>
Date: Sun, 22 Jun 2014 13:13:33 +0800
Subject: [PATCH 1/5] Create guard_log.c

---
 chapter9/guard_log.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 chapter9/guard_log.c

diff --git a/chapter9/guard_log.c b/chapter9/guard_log.c
new file mode 100644
index 0000000..eba3e0b
--- /dev/null
+++ b/chapter9/guard_log.c
@@ -0,0 +1,19 @@
+/* this have code injection security problem, such you input: ' && ls / && echo '  */
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+
+char * now(){
+  time_t t;
+  time(&t);
+  return asctime(localtime(&t));
+}
+
+int main(){
+  char comment[80];
+  char cmd[120];
+  fgets(comment, 80, stdin);
+  sprintf(cmd, "echo '%s %s' >> reports.log", comment, now());
+  system(cmd);
+  return 0;
+}

From 9f5a89fc591da8d6b55be71b8485a55221ff8099 Mon Sep 17 00:00:00 2001
From: Chaniel <Chaniel@users.noreply.github.com>
Date: Tue, 24 Jun 2014 16:44:48 +0800
Subject: [PATCH 2/5] Create system_test.c

---
 chapter9/system_test.c | 5 +++++
 1 file changed, 5 insertions(+)
 create mode 100644 chapter9/system_test.c

diff --git a/chapter9/system_test.c b/chapter9/system_test.c
new file mode 100644
index 0000000..4ec9d42
--- /dev/null
+++ b/chapter9/system_test.c
@@ -0,0 +1,5 @@
+#include<stdio.h>
+int
+main() {
+  system("ls -l");
+}

From 891ecab585dd5950f79f8ab7873fbdbf976f726e Mon Sep 17 00:00:00 2001
From: Chaniel <Chaniel@users.noreply.github.com>
Date: Sat, 28 Jun 2014 15:44:32 +0800
Subject: [PATCH 3/5] Create newshound.c

---
 chapter9/newshound.c | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)
 create mode 100644 chapter9/newshound.c

diff --git a/chapter9/newshound.c b/chapter9/newshound.c
new file mode 100644
index 0000000..c2552bb
--- /dev/null
+++ b/chapter9/newshound.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <errno.h>
+
+int main(int argc, char *argv[])
+{
+  char *feeds[] = {"http://www.cnn.com/rss/celebs.xml",
+                   "http://www.rolling.stone.com/rock.xml",
+                   "http://eonline.com/gossip.xml"
+                   };
+
+  int times = 3;
+  char *phrase = argv[1];
+  int i;
+  for (i = 0; i < times; i++){
+    char var[255];
+    sprintf(var, "RSS_FEED=%s", feeds[i]);
+    //char *vars = {var, NULL};
+    char *vars = {var};
+    pid_t pid = fork();
+    if(pid == -1){
+      fprintf(stderr,"can't fork process: %s\n", strerror(errno));
+      return 1;
+    }
+    if(!pid) {
+      if(execle("/usr/bin/python", "/usr/bin/python", "./rssgossip.py", phrase, NULL, vars) == -1)
+      fprintf(stderr,"can't run script: %s\n", strerror(errno));
+      return 1;
+    }
+  }
+  return 0;
+}

From 0ffcd087c988e4a59b5027a6822ecfe7be251360 Mon Sep 17 00:00:00 2001
From: Chaniel <Chaniel@users.noreply.github.com>
Date: Sun, 29 Jun 2014 18:05:01 +0800
Subject: [PATCH 4/5] Create tools

---
 tools | 3 +++
 1 file changed, 3 insertions(+)
 create mode 100644 tools

diff --git a/tools b/tools
new file mode 100644
index 0000000..8148e14
--- /dev/null
+++ b/tools
@@ -0,0 +1,3 @@
+gdb    调试器
+gprof  性能分析
+gcov   性能分析

From d01fca89adc7dd37118099a132624106254af6a6 Mon Sep 17 00:00:00 2001
From: Chaniel <Chaniel@users.noreply.github.com>
Date: Sun, 29 Jun 2014 18:06:20 +0800
Subject: [PATCH 5/5] Rename tools to dev-tools

---
 tools => dev-tools | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename tools => dev-tools (100%)

diff --git a/tools b/dev-tools
similarity index 100%
rename from tools
rename to dev-tools