Initial commit. It's far from finished.

agent/job.c

@@ -0,0 +1,152 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include "job.h"
+#include <sys/utsname.h>
+#include <sys/sysinfo.h>
+
+struct job_t {
+	long id;
+	long parent_id;
+	int type;
+	char code[8192];
+	char std_out[8192];
+	char std_err[8192];
+	short ret_code;
+};
+
+static void gen_fname_hash(char *s, const int len)
+{
+        static const char alphanum[] =
+                "0123456789"
+                "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
+                "abcdefghijklmnopqrstuvwxyz";
+        int i;
+        for (i = 0; i < len; ++i)
+                s[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
+        s[len] = 0;
+}
+
+void* exec_unix(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* install_pkg(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* query_pkg(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* delete_pkg(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* list_pkgs(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* update_pkg(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* update_pkgs(void *args)
+{
+	struct job_args *job = args;
+	return 0;
+}
+
+void* get_os(void *args)
+{
+	struct job_args *job = args;
+	char cmd[40], dump_path[14];
+	int fd;
+	sprintf(dump_path, "/tmp/");
+	gen_fname_hash(&dump_path[5], 8);
+	sprintf(cmd, "sh detect-unix.sh > %s", dump_path);
+	system(cmd); /* TODO: set proper path */
+	if ((fd = open(dump_path, O_RDONLY)) == -1) {
+		fprintf(stderr, "Cannot open file: %s\n", dump_path);
+		job->buf.meta.len = sprintf((char*)job->buf.chunk.data, "Unknown");
+		SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+	} else {
+		job->buf.meta.len = read(fd, job->buf.chunk.data, sizeof(job->buf.chunk.data));
+		if ((signed)job->buf.meta.len == -1) {
+			perror("Failed to read from file: ");
+		}
+		close(fd);
+		SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+		job->slot = FREE;
+	}
+	unlink(dump_path);
+	return 0;
+}
+
+void* get_kernel(void *args)
+{
+	struct utsname name;
+	struct job_args *job = args;
+	if (uname(&name) == -1) {
+		job->buf.meta.len = sprintf((char*)job->buf.chunk.data, "Unknown");
+		SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+	} else {
+		job->buf.meta.len = sprintf( (char*)job->buf.chunk.data,
+			"%s %s %s %s %s",
+			name.sysname,
+			name.nodename,
+			name.release,
+			name.version,
+			name.machine );
+		SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+	}
+	job->slot = FREE;
+	return 0;
+}
+
+void* get_uptime(void *args)
+{
+	struct job_args *job = args;
+	struct sysinfo sys;
+	
+	if (sysinfo(&sys) != 0) {
+		job->buf.meta.len = sprintf((char*)job->buf.chunk.data, "Unknown");
+		SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+	} else {
+		memcpy(&job->buf.chunk.data, &sys.uptime, sizeof(long));
+		//sprintf((char*)&job->buf.chunk.data, "%ld", sys.uptime);
+		SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+	}
+	job->slot = FREE;
+	return 0;
+}
+
+void* get_memory(void *args)
+{
+	long pages, pagesize, freepages;
+	struct job_args *job = args;
+
+	pages = sysconf(_SC_PHYS_PAGES);
+	pagesize = sysconf (_SC_PAGESIZE);
+	freepages = sysconf(_SC_AVPHYS_PAGES);
+	job->buf.meta.len = sprintf( (char*)job->buf.chunk.data,
+		 "%ld / %ld (MB)",
+		 (freepages * pagesize) / 1048576 /* 1024*1024 */,
+		 (pages * pagesize) / 1048576 );
+	SSL_write(job->ssl, &job->buf, sizeof(struct msg));
+	job->slot = FREE;
+	return 0;
+}