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Diffstat (limited to 'tools/javadeps.c')
| -rw-r--r-- | tools/javadeps.c | 1288 |
1 files changed, 0 insertions, 1288 deletions
diff --git a/tools/javadeps.c b/tools/javadeps.c deleted file mode 100644 index 9d15787e9..000000000 --- a/tools/javadeps.c +++ /dev/null @@ -1,1288 +0,0 @@ -/* -RPM and it's source code are covered under two separate licenses. - -The entire code base may be distributed under the terms of the GNU General -Public License (GPL), which appears immediately below. Alternatively, -all of the source code in the lib subdirectory of the RPM source code -distribution as well as any code derived from that code may instead be -distributed under the GNU Library General Public License (LGPL), at the -choice of the distributor. The complete text of the LGPL appears -at the bottom of this file. - -This alternatively is allowed to enable applications to be linked against -the RPM library (commonly called librpm) without forcing such applications -to be distributed under the GPL. - -Any questions regarding the licensing of RPM should be addressed to -marc@redhat.com and ewt@redhat.com. -*/ - -/* - Simple progam for pullng all the referenced java classes out of a - class file. Java files are supposed to be platform independent, so - this program should work on all platforms. This code is based on - the information found in: - - "Java Virtual Machine" by Jon Meyer & Troy Downing. - O'Reilly & Associates, INC. (First Edition, March 1997) - ISBN: 1-56592-194-1 - - Jonathan Ross, Ken Estes - Mail.com - */ - - -/* - Remember that: - - JAR consists of a zip archive, as defined by PKWARE, containing - a manifest file and potentially signature files, as defined in - the Manifest and Signature specification. So we use infozip's - 'unzip -p' found at http://www.cdrom.com/pub/infozip/. - - Additional documentation, about this fact, at: - - http://java.sun.com/products/jdk/1.1/docs/guide/jar/jarGuide.html - http://java.sun.com/products/jdk/1.2/docs/guide/jar/jarGuide.html - - http://java.sun.com/products/jdk/1.1/docs/guide/jar/manifest.html - http://java.sun.com/products/jdk/1.2/docs/guide/jar/manifest.html - -*/ - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <netdb.h> -#include <rpm/rpmutil.h> -#include <ctype.h> -#include "debug.h" - -/*---------typedefs---------*/ - - -/* The symbol table is a waste of memory.. - but it's easy to code! */ - -typedef struct { - short poolSize; - char **stringList; - short *classRef; - short *typeRef; -} symbolTable_t; - - -/*---------Global Variables, in all caps---------*/ - -/*name of this program*/ -const char *PROGRAM_NAME=0; - -/*name of the current class file*/ -const char *FILE_NAME=0; - -/*the name of the last class file seen*/ -char *CLASS_NAME=0; - -/*The string to put before each line, - this is a formatted version of CLASS_NAME */ -char *OUTPUT_PREFIX=0; - -/*arguments chosen*/ -int ARG_PROVIDES=0; -int ARG_REQUIRES=0; -int ARG_RPMFORMAT=0; -int ARG_DEPSFORMAT=0; -int ARG_KEYWORDS=0; -int ARG_STARPROV=0; - -/*keywords found in class file*/ -char *KEYWORD_VERSION=0; -char *KEYWORD_REVISION=0; -char *KEYWORD_EPOCH=0; - -/* - - Quantify says over 80 percent of the time of the program is spent - in printf (and the functions it calls) AND I verified that only - about a quarter of the classes found in the dependency analysis are - unique. After the change no function used more then 26% of the over - all time. - - I implement a simple mechanism to remove most duplicate - dependencies. The print_table is a table of string, with - duplicates, which are to be printed. Just before the program - exists it is sorted and all unique entries are printed. If it - fills up during then it is flushed using the same technique as - above. - - The functions which manipulate the table are: - void print_table_flush(void) - void print_table_add(char *str) - -*/ - - -#define MAX_PRINT_TABLE 10000 -char *PRINT_TABLE[MAX_PRINT_TABLE]; -int SIZE_PRINT_TABLE; - -/*--------- declare all functions ---------*/ - -void usage (void); -void outofmemory(void); -void die(const char *format, ...); -size_t my_fread(void *ptr, size_t size, size_t nitems, FILE *stream); -void check_range(short entryNum, short value, short poolSize); -char *is_lower_equal (char *string, const char *pattern); -int findJavaMagic (FILE *fileHandle); -int my_strcmp (const void *a, const void *b); -void print_table_flush(void); -void print_table_add(char *str); -char *formatClassName(char *pSomeString, char terminator, char print_star); -void dumpRefType(char *pSomeString); -void genSymbolTable (FILE *fileHandle, symbolTable_t *symbolTable); -void freeSymbolTable (symbolTable_t *symbolTable); -char *findClassName (FILE *fileHandle, symbolTable_t *symbolTable); -void dumpProvides(char *className); -void dumpRequires(symbolTable_t *symbolTable); -void processJavaFile (FILE *fileHandle); - -/*--------- functions ---------*/ - -void -usage (void) -{ - printf("NAME:\n\tjavadeps - Examine Java class files and\n" - "\t\t\treturn information about their dependencies.\n\n"); - printf("USAGE:\n"); - printf("\t javadeps { --provides | --requires } \n" - "\t\t [--rpmformat] [--depsformat] [--keywords] \n" - "\t\t [--] classfile-name ... \n\n" - "\t javadeps [--help]\n\n"); - printf("\n\n"); - printf("DESCRIPTION:\n\n"); - printf("List the dependencies or the fully qualified class names, of the \n" - "classfiles listed on the command line. \n\n"); - printf("OPTIONS:\n\n"); - printf("--requires For each class files listed in the arguments,\n" - " -r print the list of class files that would be\n" - " required to run these java programs. This does not \n" - " include anyting instantiated by reflection.\n\n"); - printf("--provides For each class files listed in the arguments, \n" - " -p Print the fully qualified java classes,\n" - " that they provide.\n\n"); - printf("--rpmformat Format the output to match that used by RPM's \n" - " -F (Red Hat Package Manager) dependency analysis \n" - " database. The default is not --rpmformat.\n\n"); - printf("--depsformat print the name of the class which \n" - " -d This is mostly used in conjunctions with --requires \n" - " to list the class file dependencies in a format " - " similar to traditional Makefile dependencies. The " - " default is not --depsformat.\n\n"); - printf("--keywords Make use of any keywords embeded in the classfile.\n" - " -k The default is not --keyword.\n\n"); - printf("--starprov Add the star notation provides to the provides list.\n" - " -s The default is not --starprov. This is only for use\n" - " with (Sun) jhtml dependencies, and since jhtml is \n" - " deprecated so is this option.\n\n"); - printf("--help Display this page and exit.\n\n"); - printf("-- This stops the processing of arguments, making it \n" - " easier for users to have filenames like '--keywords',\n" - " without the command line parser getting confused.\n\n"); - printf("\n\n"); - printf("If any of the class file names in the argument list is '-' then\n" - "<stdin> will be read instead of reading from a file. The\n" - "contents of <stdin> should be the contents of a class file and \n" - "not a list of class files to read. It is assumed that when run \n" - "with '-', this program is in a pipeline preceded by the \n" - "command 'unzip -p filename.jar' so that <stdin> may contain\n" - "the contents of several classfiles concatenated together.\n"); - printf("\n\n"); - printf("If --keywords is specified then the following strings are \n" - "searched for (case insensitive) in the class file string table\n" - "and, if a string is found with a prefix matching the keyword then \n" - "the dependencies are changed accordingly. There may be multiple \n" - "string tables entries prefixed with RPM_Provides and RPM_Requires. \n" - "This would indicate that the dependency is the union\n" - "of all entries.\n" - "\n\n" - "Keyword List:\n\n" - "'$Revision: ' This RCS/CVS compatible keyword is assumed to \n" - " contain the version number of the class file \n" - " it is found in. Care should be taken with this\n" - " option as RPM's notion of which version is later\n" - " may not corrispond with your own, especially\n" - " if you use branches. This keyword\n" - " only effects the output of --provides and only\n" - " when RPM_Version is not defined.\n\n" - "'RPM_Version: ' This is an alternative method of specifying the\n" - " version number of the class. It will override\n" - " $Revision if set. This keyword only effects\n" - " the output of --provides \n\n" - "'RPM_Epoch: ' This string contains the epoch to use with the \n" - " version number stored in Revision. If not \n" - " specified, the epoch is assumed to be zero.\n" - " This keyword only effects the output of\n " - " --provides and only when $Revision number is\n" - " used.\n\n" - "'RPM_Provides: ' This string lists additional capabilities\n" - " provided by the java class. The string should\n" - " be a white space ([\\t\\v\\n\\r\\f\\ ])\n" - " separated list of dependency strings. Each\n" - " dependency string must be of the same format as\n" - " would be valid in the Requires or Provides line\n" - " of the specfile. This keyword only effects the\n" - " output of --provides.\n\n" - "'RPM_Requires: ' This string lists additional requirements of\n" - " the java class. The string should be a white \n" - " space ([\\t \v\\n\\r\\f\\ ]) separated list of \n" - " dependency strings. Each dependency string must\n" - " be of the same format as would be valid in the \n" - " Requires or Provides line of the specfile. This\n" - " keyword only effects the output of --requires.\n " - " \n\n" - "Note that there is no means of setting the release number. This\n" - "is necessary because release numbers are incremented when the\n" - "source does not change but the package needs to be rebuilt. So\n" - "relase numbers can not be stored in the source. The release is\n" - "assumed to be zero. \n\n" - ""); - printf("EXAMPLES (Java Keywords): \n\n" - "\t public static final String REVISION = \"$Revision: 2.12 $\";\n" - "\t public static final String EPOCH = \"4\";\n" - "\t public static final String REQUIRES = \"RPM_Requires: " - "java(gnu.regexp.RE) java(com.ibm.site.util.Options)>=1.5\";\n" - ""); - printf("\n\n"); - printf("EXAMPLES (Arguments): \n\n" - "\tjavadeps --requires -- filename.class\n\n" - "\tjavadeps --provides -- filename.class\n\n" - "\tjavadeps --help\n\n" - "\n" - "\tjavadeps --requires --rpmformat --keywords -- filename.class\n\n" - "\tjavadeps --requires --depsformat -- filename.class\n\n" - "\tjavadeps --requires -- filename1.class filename2.class\n\n" - "\tcat filename2.class | javadeps --requires -- filename1.class -\n\n" - "\tunzip -p filename.jar | javadeps --requires -- - \n\n" - ""); - printf("This program is distributed with RPM the Redhat Package \n" - "Managment system. Further information about RPM can be found at \n" - "\thttp://www.rpm.org/\n\n"); - printf("\n\n"); - exit(-1); -} - -RPM_GNUC_NORETURN -void outofmemory(void) { - - /* Its doubtful we could do a printf if there is really a memory - issue but at least halt the program */ - - fprintf(stderr, "Could not allocate memory\n"); - exit(-1); -} - -RPM_GNUC_NORETURN -void die(const char *format, ...) { - /* Most errors are fatal. - This function throws a fatal error and - accepts arguments like printf does*/ - - char *newformat = NULL, *newmsg = NULL; - va_list ap; - - if ( - !(newformat = (char*) malloc(1024)) || - !(newmsg = (char*) malloc(1024)) - ) - outofmemory(); - - /* Rewrite format line, to include additional information. The - format line we chose depends on how much information is availible - at the time of the error. Display the maximum ammount of - information. */ - - /* notice the FILE_NAME is useless for jar files. We would want to - print the name of the classfile which caused the error. That - is hard since we only know that name when we are done parsing - the file, and most errors will occur before that.*/ - - if ( (!FILE_NAME) ) { - - sprintf (newformat, "\n%s: %s", - PROGRAM_NAME, format); - - } else if ( (FILE_NAME) && (!CLASS_NAME) ) { - - sprintf (newformat, "\n%s: Java classfile: %s, %s", - PROGRAM_NAME, FILE_NAME, format); - - } else if (CLASS_NAME) { - sprintf (newformat, "\n%s: Java classfile: %s, classname: %s, %s", - PROGRAM_NAME, FILE_NAME, CLASS_NAME, format); - } - - va_start(ap, format); - vsprintf (newmsg, newformat, ap); - va_end(ap); - - /* print error to where it needs to go: - stdout, stderr, or syslog - */ - - fprintf(stderr, "%s", newmsg); - - free(newformat); - free(newmsg); - - exit(-1); -} - - -/* wrap fread for safety. It is a fatal error to get an unexpected - EOF inside a class file. */ - -size_t my_fread(void *ptr, size_t size, size_t nitems, FILE *stream) { - size_t rc=0; - /*these variables are helpful in the debugger*/ - int eof=0; - int error=0; - - - rc = fread(ptr, size, nitems, stream); - if ( (size!=0) && (rc == 0) ) { - eof = feof(stream); - error = ferror(stream); - die("Error reading from file, or unexpected EOF\n"); - } - return rc; -} - - -void check_range(short entryNum, short value, short poolSize) { - - if (value > poolSize) { - die("Symbol Table Entry Number: %d, Value: %d, " - "is out of range of the constant pool. Pool Size: %d\n", - entryNum, value, poolSize); - } - return ; -} - - - -/* If lower case conversion of string is equal to pattern return a - pointer into string, just after the match. If the string does not - patch the pattern the null pointer is returned. This does not - change string. - - This is similar to strcasecmp, but I expect my patterns to be a - prefix of my strings. */ - -char -*is_lower_equal (char *string, const char *pattern) -{ - - while ( (tolower(*string) == *pattern) && - *string && *pattern ) { - string++; - pattern++; - } - - if ( *pattern == 0 ) { - return string; - } - - return NULL; -} - - -/* - Read fileHandle until we find the next instance of the Java - Classfile magic number indicating a java file or find EOF or - fileread error. Since we are reading from stdin which may contain - the concatination of many class files we can not be sure that the - magic number will be the first few bytes. - - Return 1 on success 0 on failure. */ - -#define mod4(num) ( (num) & 3 ) - - -int findJavaMagic (FILE *fileHandle) -{ - int offset=0; - int foundMagic = 0; - size_t rc; - - /* what were looking for */ - unsigned char magicInt[4] = {0xCA, 0xFE, 0xBA, 0xBE}; - /*the hex reads in decimal: 202 254 186 190 */ - - /* a circular buffer indicating the last few bytes we read */ - unsigned char buffer[4] = {0}; - - foundMagic = 0; - while( !foundMagic ) { - - rc = fread(&buffer[offset], 1, 1, fileHandle); - if ( !rc ) { - - /* Either this was not a java file or we were given a jar file - and have already found the last java file in it.*/ - - if ( feof(fileHandle) ) { - return 0; - } - - if ( ferror(fileHandle) ) { - die ("Error reading character from file.\n"); - }; - - } - - /* offset points to the most recent char we read so offest+1 - points to the oldest char we saved. */ - - foundMagic = ( - (magicInt[0] == buffer[mod4(offset+1)]) && - (magicInt[1] == buffer[mod4(offset+2)]) && - (magicInt[2] == buffer[mod4(offset+3)]) && - (magicInt[3] == buffer[mod4(offset+0)]) && - 1 - ); - - offset = mod4(offset+1); - - } /*end while*/ - - return foundMagic; -} - -#undef mod4 - - -int -my_strcmp (const void *a, const void *b) { -char **a1; char **b1; -int ret; - -a1 = (char **)a; -b1 = (char **)b; -ret = strcmp(*a1,*b1); - return ret; -} - -/* print the unique strings found in PRINT_TABLE and clear it out */ - -void -print_table_flush(void) { - int i; - char *last_string; - - if (!SIZE_PRINT_TABLE) { - return ; - } - - /* The qsort line gives a warning on some unicies who insist that - strcmp takes arguments of type pointers to void not the - traditional pointers to char. */ - - qsort( (void *) PRINT_TABLE, (size_t) SIZE_PRINT_TABLE, - sizeof(char *), &my_strcmp); - - printf("%s\n",PRINT_TABLE[0]); - last_string = PRINT_TABLE[0]; - PRINT_TABLE[0] = NULL; - - for (i = 1; i < SIZE_PRINT_TABLE; i++) { - if ( strcmp(last_string, PRINT_TABLE[i]) ){ - printf("%s\n",PRINT_TABLE[i]); - free(last_string); - last_string = PRINT_TABLE[i]; - } else { - free(PRINT_TABLE[i]); - } - PRINT_TABLE[i] = NULL; - } - - free(last_string); - SIZE_PRINT_TABLE = 0; - return ; -} - - -/* add an element to PRINT_TABLE for later printing to stdout. We do - not make a copy of the string so each string must be unique, - (different calls must pass pointers to different areas of memory) - and the string must not be freed anywhere else in the code and the - string must be from memory which can be freed.*/ - -void -print_table_add(char *str) { - - if (SIZE_PRINT_TABLE == MAX_PRINT_TABLE) { - print_table_flush(); - } - - if (OUTPUT_PREFIX) { - char *new_str; - - new_str= (char*) malloc(strlen(OUTPUT_PREFIX)+strlen(str)+1); - if (!new_str){ - outofmemory(); - } - - new_str[0]='\0'; - strcat(new_str,OUTPUT_PREFIX); - strcat(new_str,str); - free(str); - str=new_str; - } - - PRINT_TABLE[SIZE_PRINT_TABLE] = str; - SIZE_PRINT_TABLE++; - return ; -} - - -static void -print_list(char *in_string) { - - /* This function is no longer needed due to fixes in RPM's - processing of dependencies. Keep the code until I get a chance - to use RPM3.0 personally */ - - if (in_string) { - printf("%s\n", in_string); - } - -/* - Old function did: - - Given a list separated by whitespace, put each element in the print - table with an added "\n" */ - - /* - char *WhiteSpace_Set = "\t\v\n\r\f "; - char *newEnd, *out_string; - int copy_len; - - in_string += strspn(in_string, WhiteSpace_Set); - - while (*in_string) { - newEnd = strpbrk(in_string, WhiteSpace_Set); - - if (newEnd) { - copy_len = newEnd-in_string; - } else { - if (*in_string) { - copy_len = strlen(in_string); - } else { - copy_len = 0; - } - } - - out_string = malloc(copy_len+10); - if ( !out_string ) { - outofmemory(); - } - out_string[0]= '\0'; - - if (copy_len) { - strncat(out_string, in_string, copy_len); - in_string+=copy_len; - strcat(out_string, "\n"); - print_table_add(out_string); - } - - in_string += strspn(in_string+copy_len, WhiteSpace_Set); - } - - */ - return ; -} - - -/* Print a properly formatted java class name, and returns the length - of the class string . Do not print \n here as we may wish to - append the version number IFF we are printing the name of this classfile - - We also provide the class with the leaf node replaced with '*'. - This would not be necessary if we only had to worry about java - Class files. However our parsing of jhtml files depends on this - information. This is deprecated since jhtml is deprecated and - this method allows for very inaccurate dependencies. - - Also users may wish to refer to dependencies using star notation - (though this would be less accurate then explicit dependencies - since any leaf class will satify a star dependency). */ - -char -*formatClassName(char *in_string, char terminator, - char print_star) -{ - char *leaf_class=0, *out_string=0; - char *ClassName_Break_Set=0; - - - out_string = (char*) malloc(strlen(in_string) + 10); - if ( !out_string ) { - outofmemory(); - } - out_string[0]= '\0'; - - /*these characters end the current parse of the string in function - formatClassName.*/ - - ClassName_Break_Set = (char*) malloc(3); - if ( !ClassName_Break_Set ) { - outofmemory(); - } - ClassName_Break_Set[0] = '/'; - /*terminator can be '\0' this must go after '/'*/ - ClassName_Break_Set[1] = terminator; - ClassName_Break_Set[2] = '\0'; - - if(ARG_RPMFORMAT) { - strcat(out_string, "java("); - } - if (print_star) { - /* print the path to the leaf class but do not print the leaf - class, stop at the last '/' we fix this back below*/ - leaf_class = strrchr(in_string, '/'); - if (leaf_class) { - leaf_class[0] = terminator; - } - } - - while (*in_string != terminator) { - char *newEnd=0; - int copy_len; - - /* handle the break_set */ - - if (in_string[0] == '\0' ) { - die("Classname does not terminate with: '%c', '%s'\n", - terminator, in_string); - } else { - if (in_string[0] == '/' ) { - /* convert '/' to '.' */ - strcat(out_string, "."); - in_string++; - } - } - - newEnd = strpbrk(in_string, ClassName_Break_Set); - - if (newEnd) { - copy_len = newEnd-in_string; - } else { - if (terminator == '\0') { - copy_len = strlen(in_string); - } else { - copy_len = 0; - } - } - - /* handle upto but not including the break_set*/ - if (copy_len) { - strncat(out_string, in_string, copy_len); - in_string+=copy_len; - } - - } /*end while*/ - - if (leaf_class) { - /* print the star and fix the leaf class*/ - strcat(out_string, ".*"); - leaf_class[0] = '/'; - } - if(ARG_RPMFORMAT) { - strcat(out_string, ")"); - } - - free(ClassName_Break_Set); - return out_string; -} - - -/* Parse out just the class names from a java type and moves the string - pointer to the end of the string. */ - -void -dumpRefType(char *string) -{ - /* All class types start with a 'L' and and end with a ';'. We want - everyting in between. There might be more then one per string - like (params for a method call) */ - - string = strchr(string, 'L'); - while (string) { - string++; - print_table_add(formatClassName(string, ';', 0)); - string = strchr(string, ';'); - string = strchr(string, 'L'); - } - - return ; -} - - -/* Print out the classes referenced in the symbol table */ - -void -dumpRequires(symbolTable_t *symbolTable) { - int tem; - int ref = 0; - - for(tem=1; tem < symbolTable->poolSize; tem++ ) { - - /* dump all the classes in the const table. */ - ref = symbolTable->classRef[tem]; - if(ref) { - char *string = symbolTable->stringList[ref]; - if( !*string ) { - die("class num: %d, referenced string num: %d, " - "which is null.\n", - tem, ref); - } - if ( string[0] == '[' ) { - /* - This is an array. We need to ingore - strings like: - '[B' - '[[B' - '[[I' - - This hack leaves blank lines in the output - when a string not containing a class is - sent to dumpRefType. - */ - string = strchr(string, 'L'); - if (string) { - dumpRefType(string); - } - } else { - print_table_add(formatClassName(string, '\0', 0)); - } - } - - /* dump all the references */ - ref = symbolTable->typeRef[tem]; - if (ref) { - char *string = symbolTable->stringList[ref]; - if ( !*string ) { - die("type num: %d, referenced string num: %d, " - "which is null.\n", - tem, ref); - } - /* this is a java type... parse out the class names */ - dumpRefType(string); - } - - } /*end for*/ - - return ; -} - - -/* Read a java class files symbol table into memory. -*/ - - -void genSymbolTable (FILE *fileHandle, symbolTable_t *symbolTable) -{ - char ignore[10]; - int i=0; - - - /* We are called just after fileHandle saw the magic number, seek a - few bytes in to find the poolsize */ - - my_fread(&ignore, 4, 1, fileHandle); - - my_fread(&(symbolTable->poolSize), 2, 1, fileHandle); - symbolTable->poolSize=ntohs(symbolTable->poolSize); - - /* new the tables */ - - symbolTable->stringList = (char**) calloc(symbolTable->poolSize, - sizeof(char*)); - if(!symbolTable->stringList){ - outofmemory(); - } - - symbolTable->classRef = (short*) calloc(symbolTable->poolSize, - sizeof(short*)); - if(!symbolTable->classRef){ - outofmemory(); - } - - symbolTable->typeRef = (short*) calloc(symbolTable->poolSize, - sizeof(short*)); - if(!symbolTable->typeRef){ - outofmemory(); - } - - /* zero 'em all out. */ - for(i=0; i < symbolTable->poolSize; i++) { - symbolTable->stringList[i] = NULL; - symbolTable->classRef[i] = 0; - symbolTable->typeRef[i] = 0; - } - - - /* for the number of entries - (it starts at 1) - */ - - for(i=1; i < symbolTable->poolSize; i++) { - unsigned short type = 0; - unsigned short value = 0; - unsigned char tag = 0; - - /* read the type of this entry */ - - my_fread(&tag, 1, 1, fileHandle); - switch(tag) { - case 1: /* master string pool. */ - { - /* record all these strings */ - char *someString; - unsigned short length = 0; - - /* I am not sure if these strings must be null - terminated. I termiante them to be safe. */ - - my_fread(&length, 2, 1, fileHandle); - length=ntohs(length); - - someString = (char*) malloc(length+1); - if(!someString){ - outofmemory(); - } - my_fread(someString, length, 1, fileHandle); - someString[length]=0; - symbolTable->stringList[i] = someString; - - if (ARG_KEYWORDS) { - char *ptr=0; - - /* Each keyword can appear multiple times. Don't - bother with datastructures to store these strings, - if we need to print it print it now. */ - - /* it would be better if instead of printing the - strings "raw" I turn the space separated list - into a "\n" separated list*/ - - if (ARG_REQUIRES) { - ptr = is_lower_equal(someString, "rpm_requires: "); - if(ptr){ - print_list(ptr); - } - } - if (ARG_PROVIDES) { - ptr = is_lower_equal(someString, "rpm_provides: "); - if(ptr){ - print_list(ptr); - } - } - /* I wish there was a good way to handle this - ptr = is_lower_equal(someString, "rpm_conflicts: "); - */ - ptr = is_lower_equal(someString, "$revision: "); - if(ptr){ - KEYWORD_REVISION=ptr; - /* terminate the string before " $" */ - ptr = strchr(KEYWORD_REVISION, ' '); - if (ptr) { - *ptr = 0; - } - } - ptr = is_lower_equal(someString, "rpm_version: "); - if(ptr){ - KEYWORD_VERSION=ptr; - /* terminate the string at first whitespace */ - ptr = strchr(KEYWORD_VERSION, ' '); - if (ptr) { - *ptr = 0; - } - } - ptr = is_lower_equal(someString, "rpm_epoch: "); - if(ptr){ - KEYWORD_EPOCH=ptr; - /* terminate the string at first whitespace */ - ptr = strchr(KEYWORD_EPOCH, ' '); - if (ptr) { - *ptr = 0; - } - } - } - break; - } - case 2: /* unknow type!! */ - die("Unknown type in constant table. " - "Entry: %d. \n", i); - break; - case 3: /* int */ - my_fread(&ignore, 4, 1, fileHandle); - break; - case 4: /* float */ - my_fread(&ignore, 4, 1, fileHandle); - break; - case 5: /* long (counts as 2) */ - my_fread(&ignore, 8, 1, fileHandle); - i++; - break; - case 6: /* double (counts as 2) */ - my_fread(&ignore, 8, 1, fileHandle); - i++; - break; - case 7: /* Class */ - my_fread(&value, 2, 1, fileHandle); - symbolTable->classRef[i]=ntohs(value); - /* record which const it's referencing */ - check_range(i, symbolTable->classRef[i], symbolTable->poolSize); - break; - case 8: /* String */ - my_fread(&ignore, 2, 1, fileHandle); - break; - case 9: /* field reference */ - my_fread(&ignore, 4, 1, fileHandle); - break; - case 10: /* method reference */ - my_fread(&ignore, 4, 1, fileHandle); - break; - case 11: /* interface method reference */ - my_fread(&ignore, 4, 1, fileHandle); - break; - case 12: /* constant name/type */ - my_fread(&ignore, 2, 1, fileHandle); - my_fread(&type, 2, 1, fileHandle); - symbolTable->typeRef[i]=ntohs(type); - /* record the name, and the type it's referencing. */ - check_range(i, symbolTable->typeRef[i], symbolTable->poolSize); - break; - default: - die("Unknown tag type: %d.\n", - "Entry: %d. \n", tag, i); - break; - } - } - - return ; -} - - -/* Find the proper name of the current Java Class file and return a - formatted of the name. -*/ - -char* -findClassName (FILE *fileHandle, symbolTable_t *symbolTable) { - char ignore[10]; - unsigned short type = 0; - unsigned short jclass = 0; - char *className; - - /* seek a little past the end of the table */ - - my_fread(&ignore, 2, 1, fileHandle); - - /* read the name of this classfile */ - - my_fread(&type, 2, 1, fileHandle); - type=ntohs(type); - jclass = symbolTable->classRef[type]; - if( !jclass || - !symbolTable->stringList[jclass] ) { - die("Couln't find class: %d, provided by file.\n", jclass); - } - - className=symbolTable->stringList[jclass]; - - return className; - -} - - -/* Print the name of the class that we have found and whos symbol - table is loaded into memory. - - The name may need to have the version number printed after it, if - there are keywords in the symbol table. - - Additionally the class name may need to be printed twice, once with - the regular name of the class and once with the leaf class replaced - with a star. - -*/ - -void -dumpProvides(char *className) { - char *out_string; -#ifdef UNUSED - char *formattedClassName; - char *newline; -#endif - - /* Provide the star version of this class for jhtml - dependencies. This option is deprecated since jhtml is - deprecated. */ - - if (ARG_STARPROV) { - print_table_add(formatClassName(className, '\0', 1)); - } - - /* If we have information about the version number of this class - then add it to the formatted name and print this as well. */ - - out_string = formatClassName(className, '\0', 0); - - { - int len = 10; - - if (out_string) { - len += strlen(out_string); - } - if (KEYWORD_EPOCH) { - len += strlen(KEYWORD_EPOCH); - } - if (KEYWORD_VERSION) { - len += strlen(KEYWORD_VERSION); - } - if (KEYWORD_REVISION) { - len += strlen(KEYWORD_REVISION); - } - - out_string = realloc(out_string, len ); - if (!out_string){ - outofmemory(); - } - - } - - if( KEYWORD_VERSION || KEYWORD_REVISION ){ - /* It is easier to remove the extra new line here in one place - then to try and add a newline every where that formatClassName - is called */ - char *newline; - - /* I am not using rpm 3.0 yet so I need both the dependencies with - and without the version numbers, when I upgrade I will remove - this block (with copy_string) and change the "=" to " = " ten - lines down.*/ - { - char *copy_string; - copy_string = (char*) malloc(strlen(out_string)+1); - if (!copy_string){ - outofmemory(); - } - copy_string = strcpy(copy_string, out_string); - print_table_add(copy_string); - } - - newline = strrchr(out_string, '\n'); - if (newline) { - newline[0] = '\0'; - } - strcat(out_string, " = "); - if(KEYWORD_EPOCH){ - strcat(out_string, KEYWORD_EPOCH); - strcat(out_string, ":"); - } - if(KEYWORD_VERSION){ - strcat(out_string, KEYWORD_VERSION); - } else { - strcat(out_string, KEYWORD_REVISION); - } - strcat(out_string, "\n"); - } - - print_table_add(out_string); - out_string=NULL; - - return ; -} - - - - - -void freeSymbolTable (symbolTable_t *symbolTable) -{ - int i=0; - - for(i=1; i < symbolTable->poolSize; i++) { - if( symbolTable->stringList[i] ) { - free(symbolTable->stringList[i]); - symbolTable->stringList[i] = 0; - } - } - - free(symbolTable->stringList); - symbolTable->stringList=0; - - free(symbolTable->classRef); - symbolTable->classRef=0; - - free(symbolTable->typeRef); - symbolTable->typeRef=0; - - return ; -} - - -/* Process each file. - This procedure must be called directly after finding - the magic number. -*/ - -void processJavaFile (FILE *fileHandle) { - symbolTable_t symbolTable= {0}; - char *format_class_name; - - genSymbolTable(fileHandle, &symbolTable); - CLASS_NAME=findClassName(fileHandle, &symbolTable); - - if(ARG_DEPSFORMAT) { - const char *prefix_seperator = ": "; - - format_class_name = formatClassName(CLASS_NAME, '\0', 0); - - OUTPUT_PREFIX = (char*) malloc(strlen(format_class_name)+ - strlen(prefix_seperator)+1); - if (!OUTPUT_PREFIX){ - outofmemory(); - } - OUTPUT_PREFIX = strcpy(OUTPUT_PREFIX, format_class_name); - strcat(OUTPUT_PREFIX, prefix_seperator); - } - - if(ARG_PROVIDES) { - dumpProvides(CLASS_NAME); - } - if(ARG_REQUIRES) { - dumpRequires(&symbolTable); - } - - free(OUTPUT_PREFIX); - OUTPUT_PREFIX = 0; - freeSymbolTable(&symbolTable); - - return ; - -} - - -int -main(int argc, char *argv[]) -{ - FILE *fileHandle; - int i = 0; - int rc = 0; - int foundMagic=0; - - PROGRAM_NAME=argv[0]; - - if(argv[1] == NULL) { - usage(); - } - - /* parse arguments which are not filenames*/ - - for (i = 1; argv[i] != NULL; i++) { - - if (0) { - /* - First entry a dummy to get the - other entries to align correctly - */ - ; - } else if ( !strcmp("-p",argv[i]) || !strcmp("--provides",argv[i]) ) { - ARG_PROVIDES = 1; - } else if ( !strcmp("-r",argv[i]) || !strcmp("--requires",argv[i]) ) { - ARG_REQUIRES = 1; - } else if ( !strcmp("-h",argv[i]) || !strcmp("--help",argv[i]) || - !strcmp("-?",argv[i]) ) { - - usage(); - } else if ( !strcmp("-F",argv[i]) || !strcmp("--rpmformat",argv[i]) ) { - ARG_RPMFORMAT=1; - } else if ( !strcmp("-d",argv[i]) || !strcmp("--depsformat",argv[i]) ) { - ARG_DEPSFORMAT=1; - } else if ( !strcmp("-k",argv[i]) || !strcmp("--keywords",argv[i]) ) { - ARG_KEYWORDS=1; - } else if ( !strcmp("-s",argv[i]) || !strcmp("--starprov",argv[i]) ) { - ARG_STARPROV=1; - } else if ( !strcmp("--",argv[i]) ) { - i++; - break; - } else { - /* we do not recognize the argument, must be a filename*/ - break; - } - } /*end for arguments which are not filenames*/ - - /* check arguments for consistancy */ - - if ( !ARG_PROVIDES && !ARG_REQUIRES ) { - die ("Must specify either --provides or --requires.\n"); - } - - if ( ARG_PROVIDES && ARG_REQUIRES ) { - die ("Can not specify both --provides and --requires.\n"); - } - - if ( ARG_REQUIRES && ARG_STARPROV) { - die ("Can not specify both --requires and --starpov.\n"); - } - - if(argv[i] == NULL) { - die ("Must specify Java class files.\n"); - } - - /* parse arguments which are filenames. */ - - for ( /*null initializer*/; argv[i] != NULL; i++) { - - /*open the correct file and process it*/ - - if ( !strcmp("-", argv[i]) ) { - /* use stdin, might be a jar file */ - fileHandle = stdin; - FILE_NAME = "<stdin>"; - - foundMagic = findJavaMagic(fileHandle); - while (foundMagic) { - processJavaFile(fileHandle); - foundMagic = findJavaMagic(fileHandle); - } - } else { - /* Open a disk file*/ - fileHandle = fopen(argv[i], "r"); - if( fileHandle == 0 ) { - die ("Could not open file: %s.\n", argv[i]); - } - fileHandle = fileHandle; - FILE_NAME = argv[i]; - - foundMagic = findJavaMagic(fileHandle); - if (foundMagic) { - processJavaFile(fileHandle); - } - } - - rc = fclose(fileHandle); - if( rc ) { - die ("Could not close file: %s.\n", FILE_NAME); - } - CLASS_NAME=0; - } /*end parsing arguments which are filenames*/ - - print_table_flush(); - return 0; -} |