X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/5ef46cc08dc8723b3155ab1bec4e453293f2bcc9..69caa5be0e7aa4b274a98640d7b5f3334ec4894d:/Console.cpp

diff --git a/Console.cpp b/Console.cpp
index 7f97963..ef3de63 100644
--- a/Console.cpp
+++ b/Console.cpp
@@ -62,6 +62,7 @@
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <sys/un.h>
+#include <pwd.h>
 
 #include <apr_getopt.h>
 
@@ -173,7 +174,20 @@ void Run(int socket, std::string &code, FILE *fout = NULL, bool expand = false)
     Run(socket, code.c_str(), code.size(), fout, expand);
 }
 
-static void Console(int socket) {
+static void Console(apr_pool_t *pool, int socket) {
+    passwd *passwd;
+    if (const char *username = getenv("LOGNAME"))
+        passwd = getpwnam(username);
+    else
+        passwd = getpwuid(getuid());
+
+    const char *basedir(apr_psprintf(pool, "%s/.cycript", passwd->pw_dir));
+    const char *histfile(apr_psprintf(pool, "%s/history", basedir));
+    size_t histlines(0);
+
+    mkdir(basedir, 0700);
+    read_history(histfile);
+
     bool bypass(false);
     bool debug(false);
     bool expand(false);
@@ -227,6 +241,7 @@ static void Console(int socket) {
                     fflush(fout);
                 }
                 add_history(line);
+                ++histlines;
                 goto restart;
             }
         }
@@ -280,6 +295,7 @@ static void Console(int socket) {
                         std::cerr << error->message_ << std::endl;
 
                         add_history(command.c_str());
+                        ++histlines;
                         goto restart;
                     }
                 }
@@ -306,6 +322,7 @@ static void Console(int socket) {
         }
 
         add_history(command.c_str());
+        ++histlines;
 
         if (debug)
             std::cout << code << std::endl;
@@ -313,6 +330,9 @@ static void Console(int socket) {
         Run(socket, code, fout, expand);
     }
 
+    _syscall(close(_syscall(open(histfile, O_CREAT | O_WRONLY, 0600))));
+    append_history(histlines, histfile);
+
     fputs("\n", fout);
     fflush(fout);
 }
@@ -368,7 +388,7 @@ int main(int argc, char const * const argv[], char const * const envp[]) {
                 fprintf(stderr,
                     "usage: cycript [-c]"
 #ifdef CY_ATTACH
-                    " [-p <pid>]"
+                    " [-p <pid|name>]"
 #endif
                     " [<script> [<arg>...]]\n"
                 );
@@ -408,10 +428,51 @@ int main(int argc, char const * const argv[], char const * const envp[]) {
             case 'p': {
                 size_t size(strlen(arg));
                 char *end;
+
                 pid = strtoul(arg, &end, 0);
                 if (arg + size != end) {
-                    fprintf(stderr, "invalid pid for -p\n");
-                    return 1;
+                    // XXX: arg needs to be escaped in some horrendous way of doom
+                    const char *command(apr_psprintf(pool, "ps axc|sed -e '/^ *[0-9]/{s/^ *\\([0-9]*\\)\\( *[^ ]*\\)\\{3\\} *-*\\([^ ]*\\)/\\3 \\1/;/^%s /{s/^[^ ]* //;q;};};d'", arg));
+
+                    if (FILE *pids = popen(command, "r")) {
+                        char value[32];
+                        size = 0;
+
+                        for (;;) {
+                            size_t read(fread(value + size, 1, sizeof(value) - size, pids));
+                            if (read == 0)
+                                break;
+                            else {
+                                size += read;
+                                if (size == sizeof(value)) {
+                                    pid = _not(pid_t);
+                                    goto pclose;
+                                }
+                            }
+                        }
+
+                      size:
+                        if (size == 0)
+                            goto pclose;
+                        if (value[size - 1] == '\n') {
+                            --size;
+                            goto size;
+                        }
+
+                        value[size] = '\0';
+                        size = strlen(value);
+                        pid = strtoul(value, &end, 0);
+                        if (value + size != end)
+                            pid = _not(pid_t);
+
+                      pclose:
+                        _syscall(pclose(pids));
+                    }
+
+                    if (pid == _not(pid_t)) {
+                        fprintf(stderr, "invalid pid for -p\n");
+                        return 1;
+                    }
                 }
             } break;
 #endif
@@ -476,7 +537,7 @@ int main(int argc, char const * const argv[], char const * const envp[]) {
 #endif
 
     if (script == NULL && tty)
-        Console(socket);
+        Console(pool, socket);
     else {
         CYDriver driver(script ?: "<stdin>");
         cy::parser parser(driver);