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lib/manifest.c

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00001 
00005 #include "system.h"
00006 
00007 #include <rpmio_internal.h>
00008 #include <rpmlib.h>
00009 
00010 #include "stringbuf.h"
00011 #include "manifest.h"
00012 #include "misc.h"
00013 #include "debug.h"
00014 
00015 /*@access StringBuf @*/
00016 
00017 char * rpmPermsString(int mode)
00018 {
00019     char *perms = xstrdup("----------");
00020    
00021     if (S_ISDIR(mode)) 
00022         perms[0] = 'd';
00023     else if (S_ISLNK(mode))
00024         perms[0] = 'l';
00025     else if (S_ISFIFO(mode)) 
00026         perms[0] = 'p';
00027     else if (S_ISSOCK(mode)) 
00028         perms[0] = 's';
00029     else if (S_ISCHR(mode))
00030         perms[0] = 'c';
00031     else if (S_ISBLK(mode))
00032         perms[0] = 'b';
00033 
00034     if (mode & S_IRUSR) perms[1] = 'r';
00035     if (mode & S_IWUSR) perms[2] = 'w';
00036     if (mode & S_IXUSR) perms[3] = 'x';
00037  
00038     if (mode & S_IRGRP) perms[4] = 'r';
00039     if (mode & S_IWGRP) perms[5] = 'w';
00040     if (mode & S_IXGRP) perms[6] = 'x';
00041 
00042     if (mode & S_IROTH) perms[7] = 'r';
00043     if (mode & S_IWOTH) perms[8] = 'w';
00044     if (mode & S_IXOTH) perms[9] = 'x';
00045 
00046     if (mode & S_ISUID)
00047         perms[3] = ((mode & S_IXUSR) ? 's' : 'S'); 
00048 
00049     if (mode & S_ISGID)
00050         perms[6] = ((mode & S_IXGRP) ? 's' : 'S'); 
00051 
00052     if (mode & S_ISVTX)
00053         perms[9] = ((mode & S_IXOTH) ? 't' : 'T');
00054 
00055     return perms;
00056 }
00057 
00059 int rpmReadPackageManifest(FD_t fd, int * argcPtr, const char *** argvPtr)
00060 {
00061     StringBuf sb = newStringBuf();
00062     char * s = NULL;
00063     char * se;
00064     int ac = 0;
00065     const char ** av = NULL;
00066     int argc = (argcPtr ? *argcPtr : 0);
00067     const char ** argv = (argvPtr ? *argvPtr : NULL);
00068     FILE * f = fdGetFp(fd);
00069     int rc = 0;
00070     int i;
00071 
00072     if (f != NULL)
00073     while (1) {
00074         char line[BUFSIZ];
00075 
00076         /* Read next line. */
00077         s = fgets(line, sizeof(line) - 1, f);
00078         if (s == NULL) {
00079             /* XXX Ferror check needed */
00080             break;
00081         }
00082 
00083         /* Skip comments. */
00084         if ((se = strchr(s, '#')) != NULL) *se = '\0';
00085 
00086         /* Trim white space. */
00087         se = s + strlen(s);
00088         while (se > s && (se[-1] == '\n' || se[-1] == '\r'))
00089             *(--se) = '\0';
00090         while (*s && strchr(" \f\n\r\t\v", *s) != NULL)
00091             s++;
00092         if (*s == '\0') continue;
00093 
00094         /* Insure that file contains only ASCII */
00095         if (*s < 32) {
00096             rc = 1;
00097             goto exit;
00098         }
00099 
00100         /* Concatenate next line in buffer. */
00101         *se++ = ' ';
00102         *se = '\0';
00103         appendStringBuf(sb, s);
00104     }
00105 
00106     if (s == NULL)              /* XXX always true */
00107         s = getStringBuf(sb);
00108 
00109     if (!(s && *s)) {
00110         rc = 1;
00111         goto exit;
00112     }
00113 
00114     /* Glob manifest items. */
00115     rc = rpmGlob(s, &ac, &av);
00116     if (rc) goto exit;
00117 
00118     /* Find 1st existing unprocessed arg. */
00119     for (i = 0; i < argc; i++)
00120         if (argv && argv[i]) break;
00121 
00122     /* Concatenate existing unprocessed args after manifest contents. */
00123     if (argv && i < argc) {
00124         int nac = ac + (argc - i);
00125         const char ** nav = xcalloc((nac + 1), sizeof(*nav));
00126 
00127         if (ac)
00128             memcpy(nav, av, ac * sizeof(*nav));
00129         if ((argc - i) > 0)
00130             memcpy(nav + ac, argv + i, (argc - i) * sizeof(*nav));
00131         nav[nac] = NULL;
00132 
00133         if (argvPtr)
00134             *argvPtr = argv = _free(argv);
00135         av = _free(av);
00136         av = nav;
00137         ac = nac;
00138     }
00139 
00140     /* Save new argc/argv list. */
00141     if (argvPtr) {
00142         *argvPtr = _free(*argvPtr);
00143         *argvPtr = av;
00144     }
00145     if (argcPtr)
00146         *argcPtr = ac;
00147 
00148 exit:
00149     if (argvPtr == NULL || (rc != 0 && av)) {
00150         if (av)
00151         for (i = 0; i < ac; i++)
00152             /*@-unqualifiedtrans@*/av[i] = _free(av[i]); /*@=unqualifiedtrans@*/
00153         /*@-dependenttrans@*/ av = _free(av); /*@=dependenttrans@*/
00154     }
00155     sb = freeStringBuf(sb);
00156     /*@-nullstate@*/
00157     return rc;
00158     /*@=nullstate@*/
00159 }

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