#include #include /* for rand() */ #include #include /* Directory information. */ #include #include #include #include "global.h" #include #include "grade.h" #include "manhat-lib/shared_util.h" #include "manhat-lib/shared_strtrm.h" #include "manhat-lib/shared_cs_util.h" #include "manhat-lib/shared_lock.h" #include "manhat-lib/shared_file_util.h" #include "manhat-lib/shared_grade_book_view.h" void read_parameters (char *course, char *key) { cs_get_required_parameter("crs", course, MAX_PATH); cs_get_required_parameter("id", key, MAX_KEY); } void send_grade_file(CONFIG_STRUCT *conf, SESSION *user) { char path[MAX_PATH +1]; struct stat statbuffer; char *buffer; FILE *fp; char header[] = ""; char *ptr, *start, *end; char tag[MAX_NAME +1]; char id[MAX_ID +1]; *id = '\0'; snprintf(path, MAX_PATH +1, "%s%s/%s/%s", conf->course_path, GRADE_BOOK_DIR, "gradequick", "gradequick.html"); if(stat (path, &statbuffer)) cs_critical_error(ERR_NO_RELEASED_GRADES, ""); buffer = (char *) malloc(statbuffer.st_size * sizeof(char)); if(!buffer) cs_critical_error(ERR_MALLOC_FAILED, "send grade file"); fp = fopen(path, "r"); if(!fp) cs_critical_error(ERR_FOPEN_READ_FAILED, "send grade file"); if(fread(buffer, statbuffer.st_size, 1, fp) != 1) cs_critical_error(ERR_FREAD_FAILED, "send grade file"); fclose(fp); cs_get_optional_parameter("student_id", id, MAX_ID); if(user->group == STUDENT && strlen(id)) cs_critical_error(ERR_REQUEST_DENIED, ""); send_content_type(); if(user->group == FACULTY && strlen(id) ==0) fwrite(buffer, statbuffer.st_size, 1, stdout); else { if(strlen(id) ==0) strncpy(id, user->id, MAX_ID +1); ptr = strstr(buffer, header); if(!ptr) cs_critical_error(ERR_GENERAL_ERROR, "NO grade"); ptr = ptr + strlen(header); snprintf(tag, MAX_NAME +1, "<%s>", id); start = strstr(ptr, tag); if(start) start = start + strlen(tag); snprintf(tag, MAX_NAME +1, "", id); end = strstr(ptr, tag); if(!start || !end) cs_critical_error(ERR_GENERAL_ERROR, "NO grade"); if(user->group == STUDENT) handle_new_file(conf, user); fwrite(buffer, ptr - buffer, 1, stdout); fprintf(stdout, "%s", "\n"); fwrite(start, end - start, 1, stdout); fprintf(stdout, "%s", "\n\n"); } free(buffer); } void do_action(CONFIG_STRUCT *conf, SESSION *user) { send_grade_file(conf, user); } int main () { char course[MAX_PATH +1]; char key[MAX_KEY +1]; SESSION user; CONFIG_STRUCT conf; cs_cgi_init(); /*shared_cs_util.c */ read_parameters (course, key); read_configuration_file (course, &conf); validate_key (key, &user, &conf); do_action(&conf, &user); cs_cgi_destroy(); return 0; }